sunny island 5048u product training - energistar · sunny island development history 2004 2007 2001...
TRANSCRIPT
![Page 1: Sunny Island 5048U Product Training - EnergiStar · Sunny Island Development History 2004 2007 2001 Sunny Island 4248/4248U Sunny Islands 5048 / 5048U CHP applications, Special applications](https://reader031.vdocuments.net/reader031/viewer/2022013003/6009f5e0e126551e4c6325b4/html5/thumbnails/1.jpg)
Sunny Island 5048UProduct Training
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Agenda
n What is Sunny Island ?n Configuration optionsn Hardware and Wiringn Battery & BMSn Generators & GMSn System Managementn MMC/SD cardn Communication
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What is Sunny Island 5048U
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What is Sunny Island 5048 ?
n A modular, bi-directional, battery based inverter designed for off-grid and backup power applications
n A utility-interactive grid-tied inverter for use with 48 Vdc sources
n A hybrid system controller for systems with multiple energy sourceso Battery charge control o Generator managemento System management
n A data logger and communications deviceo Optimize system performanceo Troubleshootingo Remotely monitor, program
and control system
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Overview - Off-Grid Power System
n Typically in remote areasn Stand-alone power supplyn Multiple energy sources are
typically presentn Flexible system architecture
adapts to local supplies and conditions
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Overview - Backup Power System
n Grid-feeding when grid is operating normally
n Power supply during short or long term grid failures
n Transparent “near UPS”switching times (16 ms)
n Charge and maintain battery when grid returns
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Sunny Island – Basic Tasks
n Grid monitoring
n Grid forming o Supply and control of frequencyo Supply and control of voltage
n Supply of powero Supply of active powero Supply of reactive power
n Transfer and conversion of energyo Conversion from AC into DC for battery chargingo Conversion from DC into AC for supply of energy
n Control of external loads and energy sources
o Load control
o Generator start /stop
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Sunny Island Family
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Sunny Island Development History
2004 20072001
Sunny Island
4248/4248U
Sunny Islands 5048 / 5048U
CHP applications, Special applications
ROW Only
Small systems, Single device applications
US and ROW Versions
Multicluster systems, High Power, variety of
functions
US and ROW Versions
Sunny Island
4500
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Sunny Island Products – Overview
ü
ü
ü
ü
ü
ü
ü
SI5048U
ü
ü
ü
ü
SI4500
Data logging and Programming with MMC/SD Card
üQuick Configuration Guide
Extended battery, load and generator management
üDC-coupling possible
Grid and generator support
3-phase operation
Parallel operation
SI4248UProperties
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SI 5048U – Technical Data
Other Features
Maximum System Size
Losses Idle/Standby
Integrated Isolation Relay
Maximum efficiency
Nominal DC voltage
Maximum AC Output current
Nominal frequency
Nominal AC voltage
Nominal AC power (25°C)
25W/4W
20 kW/20 kW/ 15 kW1~/2~/3~
SD/MMC Card, Single Point of OperationAC Coupling/DC Coupling/Both
112 Amps (26.9 kW) with stacked Sunny Islands
56 Amps Continuous
>95%
48 V
120 Amps
60 Hz
120 V
6.5 kW30min / 8.4 kW1min5.0 kW Continuous
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Efficiency optimized for off grid systems
n High efficiency in both invert and charge modeso Max. Efficiency > 95 %o Optimized for low load operation (η > 90 % from P= 5 - 100%)o Power dependant “sleep mode” for parallel slave units
0,00
0,10
0,20
0,30
0,40
0,50
0,60
0,70
0,80
0,90
1,00
0 1000 2000 3000 4000 5000AC-Power [W]
Effic
ienc
y
ETA
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Sunny Island 5048UHardware and Connections
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Front Panel - Easy To Use
n Single Point of Operationo Master unit is the only user interface
- Settings, observe values, initiate switching & timerso Master unit monitors and controls Slave units
- Software updates at Master, Master updates the Slaves
n Integrated MMC Cardo Logging of all data and parameters
(last 100 Days)o Logging of all event, warning, and
failure messages (last100 Days)o Software-Update via MMC Cardo Logging of all settings and
parameters on MMC Card
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Sunny Island Enclosure
n Corrosion resistant painted die cast aluminumn Incorporates SMA‘s patented Opticool system
o No air blowing on sensitive electronicso Large ambient temperature range (-25 to +50°C)o Maintains output power at high temperatures (4 kW at 45°C)
Cold air intake
Warm exhaust air
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Sunny Island 5048 – Interior View
Inverter bridge board Display and
Keypad
DC Breaker
AC Connections
Control board
Communication area
SD/MMC Card
Programmable Relays
DC Connections
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Sunny Island 5048 – Knockouts
(2) ¾” knockouts for communications
(1) 1.5” knock out for DC
(2) ¾” knock outs for AC connections
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1 ½ ” knock out for DC Conductors
Two 1/0 positive Two 1/0 Negative
+ -
Equipment Ground #4 AWG
PE
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Sunny Island 5048 – Wiring
DC Pos./Neg. – Dual 1/0 * DC Equip. Ground– 1/0
AC1 L/N AWG 6/4
AC2 L/NAWG 6/4
AC Equip. GroundAWG 6/4
Control RelaysAWG 24 typical
Communication Cables
RJ-45 “Ethernet”
* Suggestion: Ground DC negative at battery terminal
CAN Buss for Inverter control
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Connections to Sunny Island 5048
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Sunny Island 5048UAC and DC Coupling
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What is “Coupling“?
n Supply line from the source to the load forms a “bus“
Supply bus
n DC coupling: Connection of sources and loads via a DC bus
DC busCharge controller
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AC Coupling
n AC coupling: Connection of sources and loads via an AC bus
AC bus
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Advantages of AC Coupling: Planning
n Simple designo Manageableo Modular
n Special knowledge is not requiredo Standard energy sourceso Standard installation technologies can be used
n Little effortso Low planning costso Little planning time
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Advantages of AC Coupling: Flexibility
n Large selection of loads, energy sources, and system componentsn Great distances between components are possiblen Simple expansion even after some years
AC bus
Up to miles
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Advantages of AC Coupling: Components
n Independent selection of componentso Free choice due to grid compatibilityo Free choice due to variety of AC sourceso Free choice due to variety of AC loads
n Low costs of components due too strong market competitiono availability almost worldwide
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Advantages of AC Coupling: Expandable
n Adding Sunny Islandso without changing other componentso without reconfiguring the wiringo independent of distances
n Extension of phase numbero from 1-phase to 3-phaseo from 1-phase to split phase
n Increase of source power without additional costs
n Addition of loads without additional costs
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Efficiency with AC coupling (92% Inverter)
Assumption: 40 % of energy is consumed directly!
Sunny Island120/240V/60Hz
Sunny Boy
direct consumption:η = 92 .. 95 .. 98 %
PV Usage:η = 95 %
Charging:η = 90 .. 92 .. 95 %
Lead acid battery:η = 80 .. 85 .. 90 %
Discharging:η = 92 %
Direct Consumption = E x 40 %
Via Battery = E x 60 %
x 95 % = 38 % E
x 95 % x 92 % x 85 % x 92 % = 41 % E } ∑ 79 %
NiCd-Battery:η = 55 .. 60 .. 65 %
LiIon-Battery:η = 90 .. 92 .. 95 %
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Inverter88.. 92..94 %
Efficiency of MPP DC coupling (92% inverter)
Assumption: 40 % of energy is consumed directly!
Inverter:88.. 92..94 %
Direct consumption = E x 40 %
Over Battery = E x 60 %
x 92 % = 36 % E
x 97 % x 85 % x 92 % = 45 % E } ∑ 81 %
Lead acid battery:η = 80 .. 85 .. 90 %
Charge Controller:95 ..97..99 %
x 97 %
Sunny Island120/240V/60Hz
MPP Charge controller
Charge Controller:95 ..97..99 %
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Efficiency with MPP DC coupling (92% inverter)
50%
55%
60%
65%
70%
75%
80%
85%
90%
95%
10% 20% 30% 40% 50% 60% 70% 80% 90%
D irect co nsum p t io n
Syst
em e
ffic
ienc
y
AC coupling SI5048
DC coupling SI5048
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Efficiency with MPP DC coupling (90% Inverter)
Inv:85.. 90..94 %
Direct consumption = E x 40 %
Over battery = E x 60 %
x 90 % = 35 % E
x 97 % x 85 % x 90 % = 44 % E } ∑ 79 %
Inverter230V/50Hz
MPP Charge Controller
Lead acid battery:η = 80 .. 85 .. 90 %
Charge Controller:95 ..97..99 %
x 97 %
Inv:85.. 90..94 %
Charge Controller:95 ..97..99 %
Assumption: 40 % of energy is consumed directly!
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Efficiency with MPP DC coupling (90% inverter)
50%
55%
60%
65%
70%
75%
80%
85%
90%
95%
10% 20% 30% 40% 50% 60% 70% 80% 90%
D irect co nsum p t io n
Syst
em e
ffic
ienc
y
AC coupling
DC coupling
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Charge Controller:99 %“MPP Factor:”70..80..90%
Efficiency with PWM DC coupling
Approach: 40 % are consumed directly!
Inv:85.. 90..94 %
Direct consumption = E x 40 %
Over battery = E x 60 %
x 90 % = 29 % E
x 99 % x 80% x 85 % x 90 % = 36 % E } ∑ 65 %
Inverter120/240V/50Hz
PWM Charger
Lead acid battery:η = 80 .. 85 .. 90 %
Charge Controller:99 %“MPP Factor”:70..80..90%
x 99 % x 80%
Inv:85.. 90..94 %
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50%
55%
60%
65%
70%
75%
80%
85%
90%
95%
10% 20% 30% 40% 50% 60% 70% 80% 90%
D irect co nsum p t o n
Syst
em e
ffic
ienc
y
AC coup ling
DC coup ling
Efficiency with PWM DC coupling
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Overview of AC / DC Coupling
++occurs automatically
-limited – requires load shed relay function
Black Start Capability
- -lower kW range
++up to MW
Power
-Dc only
++all
Loads to be supplied
- -expensive loads/wiring
++standard products, modular
Costs
0very limited
++extendable
Extensibility
- -in the feet range
+in the miles range
Distances
-specific
++standard
Installation
DC CouplingAC CouplingRequirement
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Sunny Island 5048USystem Configuration Options
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Single Phase Configuration (120V )
One Master and one to 4 slavesStand-alone plus optional 120/240V
autoformer
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Dual Split Phase (Single Phase 240)
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Three Phase
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Definition – Cluster / Mulit-cluster (SI Collective)
n Cluster = Several Sunny Islands, One Battery, Common Load
n * Multi-cluster = Several Clusters in parallel operation (SI Collective)
* Multi-Cluster configuration NOT available in US Today
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Planned village power supply (78kW)
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System Design - Conclusions
n Highest Flexibilityo AC and/or DC coupled systems are possibleo Single phase, split phase, and three phase configurationso Interactive operation with generator and/or public grido For Off-Grid Systems up to 20 kW per cluster in (Single- or Split
phase), 15 kW per cluster in 3 Phaseo Larger systems possible in future with multi-cluster box (MCB)
...
==
MCB
Multi-Cluster-Box
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Configuring Sunny Island 5048U
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Easy Configuration
Quick Start Guide – Several Options
n "Start System" (if you have accidentally accessed the QCG and only would like to restart the system)
n "New System" (if you would like to start a new system or perform changes to the system configuration) –
n "New Battery" (if you would like to change the main battery settings, but retain the system configuration) –
n "Emerg Charge" (if you would like to charge a deeply discharged battery using an external source
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New System
n Quick Configuration Guideo Only 6 steps for initial startup of the system
1. System Configuration ( See Overview Table )2. Device Configuration ( Master or Slave# )
a. Slave configuration stops here.3. Date and Time4. Battery (type and capacity) 5. Nominal voltage (see below)6. Maximum generator current and generator interface
n Change of system voltage (DC) in case of failed battery cellso 48V, 46V, 44V, 42V adjustableo Over all, 3 cells can quit working
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5048U System Management
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Sunny Island – System Management
n System Managemento Control of other Sunny Islandso Connection to additional sourceso Regulation and control of energy sourceso Programmable relay controls
n Battery Managemento Efficient battery charge and dischargeo Sophisticated charge control algorithms prolong service lifeo b
n Load Managemento Connection and disconnection of loads
– Based on battery SOC, time of day, load level, etc.o Overload capability for motor starting
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n Power Control of other AC-Energy Sources o (Sunny Boy, Windy Boy, Generator)
n Automatic start and stop of generatorso SOC dependento Load dependento Time dependant
n Load sheddingo SOC dependento Load dependent
n Load dependent control of other Sunny Islands o (Sleep-Mode)
System Management Functions
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n Parallel operation of multiple battery inverters with diesel generators and/or public grid
n Based on P/f - and Q/V-Statics of energy sources (analogous to conventional public power supplies)
n Statistics are implemented within Sunny Island® battery inverters
VAC
V
0 Q
-6%V
0
∆
f
f0
0
-2%
P
f∆
Qnom
Frequency Droop
Voltage Droop
Pnom
Power management - Droop Mode
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Power control of Sunny Boys
n Frequency Shift Power Control
Pac (%)
Fac (Hz)+1 +2 +3-1-2-3 f0
50
100
Fac-Start delta (1Hz)
Fac-Limit delta (2Hz)
+4
Fac-delta+ (4,5Hz)
-4
Fac-delta- (4,5Hz)
o No additional communication necessaryo A rising grid frequency lowers the energy output of the Sunny
Boys
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Examples for usage of Droop-Mode
3 SunnyIslandsSI5048
3 SunnyIslandsSI5048
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Relay control
n Relay control by Sunny Island 5048o 2 integrated relays in each invertero Functions are selectable for each relay o More than 15 different functions available today
– Other functions can be added as needed by marketo More Sunny islands equals more functions (4x Sunny Island
within a Cluster = 8 Relays)o Relays have common, NO & NC connections
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Relay control functions SI5048U
n SOC dependent (in %)o At what SOC does the relay closeo At what SOC the relay openo What is time of day ?
– 2 independent time periods with programmable SOC limits
n Power dependent (in kW and minutes)o At what power does the relay closeo How long has the power been above the limit before activatedo At what power does the relay openo How long has the power been below the limit before
deactivated
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Other Relay Control Functions
n Time dependent (Timer based)o 2 independent timers o Cyclic usage (every day at 10:00 / every Friday)o Usage of date and time (on 12.04.2009)o Usage of a running time (01:20:45)
n Other functionso Close/open while in absorption phaseo Close/open when a warning or failure occurso Close/open while Sunny Island is in operationo Close/open while the generator is in operationo Close/open while the grid is present o Control of battery room fano Control of battery bubbler (electrolyte circulation pump)
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System management – System security
n Silent Modeo Operation grid tied as backup systemo Battery is fully chargedo Loads are completely supplied by grid
n Benefits:Ø Stops switching operationØ Lowers SI internal power consumption (25 Watts >> 4 Watts)Ø Still transfers loads seamlessly in case of a grid failureØ Reduces energy needed to keep batteries chargedØ Switches to float charge periodically to keep battery at high
SOCØ Protects batteries against over charging
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System management – System security
n Short circuit detectiono Short circuit in Off-Grid system
or in an external sourceo Current limit is five times the
nominal currento Disconnection of external
sources within 20mso Carrying of a short circuit
current (120 Amps AC) for 100ms
o Allows tripping of over current devices
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Overview of Safety Features
§ DC reverse polarity protection, short circuit safe
§ Integrated DC breaker
§ AC current limitation for generator / grid
§ Over and under voltage detection AC/DC
§ Over and under AC frequency
§ Temperature compensated battery charging
§ High battery temperature shut down
§ Reactive power compensation of the generator
§ Generator Relay failure detection
§ Generator: Reverse Power Detection
§ Over temperature protection
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Battery Management System
n Battery types
o FLA: Flooded Lead Acid
o VRLA: Valve Regulated Lead Acid
o NiCd: Nickel Cadmium/Nickel Iron
n Battery capacities
o Capacity range: 100 – 10,000 Ah
o Adjustable battery voltages:
48V, 46V, 44V, 42V
n Accurate evaluation of State-of-Charge
o Adaptive algorithm learns over time
o Based on Voltage, Current, and cycle history
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BMS Description “State-of-Charge“
n The “State of Charge“ (SOC) describes the amount of energy contained in the battery as a percentage of it’s capacity
n If there was a battery with a capacity of 100 Ah and there is 70 Ah of energy remaining in this battery, the SOC is 70%.
n In Sunny Island systems the SOC represents a central value, which is decisive for almost every switching operation within a system.
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Generator start and load shedding by SOC
n Normal (Normal)
4 different battery states
SOC
100%
70%
50%
40%
n Battery discharged (Low)
n Battery deeply discharged (Critical)
Note: No real SOC is being calculated. The SOC is being approximated out of the current-voltage curve.
n Battery “Low“ (Warning)
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Adjustable battery SOC limits –1
n SocLim1 – State-of-Charge Limit 1
o Value in %, e.g. 70%
n Normal >> Warning
o Generator start requested
SOC
100%
70%
50%
40%
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Adjustable battery SOC Limits - 2
n SocLim2 – State-of-Charge Limit 2
o Value in %, e.g. 50%
n Warning >> Low
o Load shedding active
SOC
100%
70%
50%
40%
Generator Failure !
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Adjustable battery SOC Limits - 3
n SocLim3 – State-of-Charge Limit 3
o Value in %, e.g. 40%
n Low >> Critical
o Sunny Island switches to standby
SOC
100%
70%
50%
40%
Generator Failure !
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Time dependant SOC generator control
n Two time periods with independent SOC levels can be defined o Lower generator start SOC can be specified to prevent generator
operation during night time hours, i.e. “quiet time”o Still allows generator start request if battery becomes critically low
during “quiet time”n Additional time dependant generator run time or load activation can also
be scheduled using other programmable relay options on a daily or weekly schedule
SOC %
Time of Day
GenPwrStr
GenPwrStp
0h 6h 12h 18h 24h
GenSOCTm1Str
GenSOCTm1Stp
GenSOCTm2Stp
75%
50%
25%
Time 1 Time 2Time 2
GenSOCTm2Stp
GenTm1S
tr
GenTm2S
tr
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Load dependent generator control
n When load power exceeds the programmable Generator Power Start (GenPwrStr) level the generator will be requested
n The generator continues to run as long as load power stay above the programmable Generator Power Stop (GenPwrStp) level, or for the minimum generator running time, whichever is greater.
n Both Start and Stop commands require the power to be outside the limits for a programmable time period (GenPwrAvgTm) to avoid starting or stopping due to transient conditions
Pac
time
GenPwrStr
GenPwrStp
GenPwrA
vgTm
GenPwrA
vgTm
GenPwrStr
GenPwrStp
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Batteries in Sunny Island Systems
Sunny Island Workshop
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General Questions on Batteries
n What is application ?o Off grid or grid backup
n What is the electrical load on the system ?o Are some loads non-critical
n How large is the PV array ?
n Are other energy sources present ?o Generatoro Wind Turbineo Hydro turbine
n Sizing off grid systems
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Objectives of the Battery Management System (BMS)
n High availability and safety of operation byo Disconnection in case of over temperatureo Disconnection in case of exhaustive dischargeo Disconnection in case of overcharge
n Long battery service life byo Automatic full and equalizing charge
– Doubling of service lifeo Prevention of exhaustive discharge by SOC
monitoring– utilization of battery capacity increased by 30%
n Exact SOC determination for user and operational controlo SI 5048 has an integrated SOC calculation
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Functions of the Battery Management
n Monitoring of the limit values
n Calculation of capacity
n Discharge monitoring / limiting
n Control of battery charging
n Display of the state of charge (SOC )
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n Not Possible: o Direct measurement of SOC
n Possible: o Mathematic modeling and calculationo Complex algorithms are required
n Many different variables affect an exact determination
n Battery, history, age, temperature, discharging current, etc. affect the amount of energy available within the battery
SOC determination in the Sunny Island:Combination of Ah accumulation and self-adapting current/voltage model
Battery Management: SOC Determination
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Charge Modes
n Boost Chargeo High voltage, short term
– SOC of 85 .. 95% SOCn Full Charge
o Medium voltage, medium term– SOC of 92 .. 97%
n Equalizing Chargeo Medium voltage, long term
– SOC of 95 .. 100%n Float Charge
o Maintaining of battery voltage and state of charge– Maintaining SOC of 95 .. 100%
n Silent Modeo Prevention of current flowing into and out of the battery
– SOC can be reduced (depending on battery type)
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Battery Management System
Equalization Charge(CV Phase)
12 Hours
Float Charge(CV Phase)
Silent Mode(No Charging)
Charging Process
Cha
rgin
gPh
ase
s
Manual Equalize
3 2
2
54
76
4 4
1
Bulk Charge(CI Phase)
Legend:(1) If VBat = VbatChg(2) After time = CycTmEqu (#225.05)(3) After time = CycTmFuln(#225.04)(4) IF AptTm Rmg =0 (#120.04)(5) If SOC < 70% (#120.01)(6) After time SilentTmFlo (#224.02), Note: in grid tied mode only.(7) After time SilentTmMax (#224.03), Note: in grid tied mode only.
Full Charge(CV Phase)
5 Hours
Boost Charge(CV Phase)
2 Hours
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Bulk,
I Ph
ase
Cons
t. Cu
rrent
Abso
rptio
n, V
Pha
se
Cons
t. Vo
ltage
Floa
t, V
Phas
e
Cons
t. Vo
ltage
Floa
t, V
Phas
e
Cons
t. Vo
ltage
Sile
nt M
ode
No C
harg
ing
Sile
nt M
ode
No C
harg
ing
Floa
t, V
Phas
e
Cons
t. Vo
ltage
2 ho
urs
5 hours 12 hours Max.
5 hours 12 hours Max.
Boost Charge
Sunny Island Charging ProcessBu
lk, I
Phas
e Co
nst.
Curre
ntAb
sorp
tion,
V P
hase
Cons
t. Vo
ltage
Floa
t, V
Phas
e
Cons
t. Vo
ltage
Floa
t, V
Phas
e
Cons
t. Vo
ltage
Sile
nt M
ode
No C
harg
ing
Sile
nt M
ode
No C
harg
ing
Floa
t, V
Phas
e
Cons
t. Vo
ltage
5 hours 12 hours Max.
5 hours 12 hours Max.
5 hours
Full Charge
Abso
rptio
n, V
Pha
se
Cons
t. Vo
ltage
Floa
t, V
Phas
e
Cons
t. Vo
ltage
Floa
t, V
Phas
e
Cons
t. Vo
ltage
Sile
nt M
ode
No C
harg
ing
Bulk,
I Ph
ase
Cons
t. Cu
rrent
Sile
nt M
ode
No C
harg
ing
10 hours 5 hours 12 hours Max.
5 hours
Equalize Charge
Bat
tery
Vol
tage
Cha
rge
Cur
rent
time
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Simple Configuration of the BMS
Parameters:n Battery type
o FLA: Flooded Lead Acid(liquid electrolyte)
o VRLA: Valve Regulated Lead Acid (defined electrolytelead-gel and ???fleece batteries AGM)
o NiCd: Nickel-Cadmium
n Nominal battery voltageo FLA/VRLA: 48 V (48 .. 42 V)o NiCd: 45.6 V (48 .. 43,2 V)
n Battery capacityo 100 Ah (100Ah .. 10.000 Ah)
Ø All other values are correctly set automatically
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Optimum Protection for the Battery
n Integrated Load management for lead-acid batteries with gel, AGM, or flooded electrolytes
n Display of state of charge (SOC) and “state of health“ (SOH)
n Temperature-compensated battery charge
n Control of electrolyte circulation and ventilation of the battery box by the Sunny Island
n Optimum protection and long service life for the battery
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Sunny Island 5048UGenerators and GMS
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Generators – Lots of Choices
§ Fixed or mobile§ Diesel, bio-diesel, gasoline,
propane, or natural gas§ With or without enclosure§ With or without sound
absorption§ From 0.6 kW to 50 MW§ With or without simultaneous
use of heat (CHP)§ 1800 RPM or 3600 RPM
§ 1800 RPM – Off Grid§ 3600 RPM – Backup
Power
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Grid-Forming GeneratorsGrid-formingGenerator is functioning as voltagesource
Advantages and DisadvantagesC Backup supply of loads is possibleD Parallel operation of several units is
very complex
What types are these ?Ø All backup style generators Ø All synchronous generatorsØ Most with asynchronous generators
(excitation via capacitors)
Operation with Sunny Island?C all
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Supplementary Grid-Feeding GeneratorsGrid-feedingGenerator is functioning as current source
Advantages and DisadvantagesC Simple parallel operationD Backup supply is not possible
What types are these ?Ø All generators identified as
supplementary grid-feeding generatorsØ Most of small combined heat and
power (CHP) units
Operation with Sunny Island?D Senertec, SoloC EcopowerC Others in process
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Generator Management n Generator start:
o Manualo State of charge (SOC)o Loado Time
n Generator control via:o Current o Frequency o Optimization of reactive power
n Generator support with full Sunny Island power
n Other Generator protective functions:
o Adjustable warming-up time
o Adjustable minimum operating time
o Ramped generator loading
o Run-on or cooling time
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Generator Management
n Automatic or manual Start and Stop
o Dry contact relay closure (NO, Com, NC)
o Two wire type generators only
n Generator support (power addition)
o Automatically reduces charging current to limit load on generator
o Will discharge battery to support generator if needed
n Generator protection
o Reverse power protection
o Over / under voltage and frequency
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Sunny Island 5048UData Storage with SD Card
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Application: Memory space for settings
n Saving of system settings (Parameter lists)o Backup for user after incorrect settingso Backup of all data for the installero Automatic re-importing of parameters after software updateo 2 different parameter sets can be stored
n Customized parameter lists by mailo Typical system settings can be
mailed or emailed easilyo Possible settings don‘t have to be
set at the unit.o Can be programmed and sent by
installer or SMA
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SD Card Files – Parameter Lists
n Three separate parameter lists can be usedo Factory default settings are used when system is initialized
or re-initialized o Two additional parameter lists can be stored or loadedo File names: SIPAR1.LST and SIPAR2.LST
n Parameter Lists should be stored before and after making changes to system o Allows return to old settings if changes resulted in
undesirable operationo If parameters were accidentally changed
n Proven or “favorite” parameter sets can be stored on SD cards and carried from job to job to speed up programming
n Parameters can be edited using PC and stored on SD cardn Parameter lists are invaluable when troubleshooting system
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Application: Firmware-Update
n Automatic updating of firmware via SD/MMC cardo SI automatically detects firmware versiono Master automatically self updates o Master automatically updates slave units
n Manual “downgrading” of firmware is possible if neededo Master automatically downgrades Slave firmware
n Convenient updating of operating firmwareo Easy mailing of firmware via Internet or “snail mail”o Download of firmware via SMA websites in futureo Firmware / parameters can be updated by untrained users
– No service personnel needed – No complicated hardware exchange necessary– “Just insert the SD card”
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Application: Service
n Saving all operating data in 1-minute-intervalsn Logging of events, warning, and failure codes with date & timen Delivery of data via internet or “snail mail”
o Very low shipping costso Easy handlingo Very fast analysis and helpo Quickly resolve system problems
Data/Information
Analysis/Solutions
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Using data to troubleshoot a system
n EXAMPLE: Off Grid Beta Test System in Northern California
n System Configuration:o (2) SI5048U inverters in split phaseo (2) SB1800U inverters with approx. 3.5 kW PVo Battery = 660 Ahrs @ 48 Vdco 20 kW Generator (Propane)
n Customer reported system shut down on June 13, 2007o System shut down in the morning o System was not charging batteries even with generator runningo What happened ?
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SD Card Files – Log and Event Files
n File Name - Log Files: SI130607.LOG
n File Name - Event Files: SI130607.EVT
EVT = event history07 = Year06 = Month13 = Day
LOG = data log 07 = Year06 = Month13 = Day
n Event Files and Log files are generated dailyn Stored data is approximately 1 MB per day
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Importing Data into Excel
n Make a copy of the data files stored on the SD cardo Do not use original files to maintain data integrity !
n Open a blank worksheet in Exceln Click on the Data Tab on the toolbar
o Select import External Data, Import Datan Find the sub-directory where the LOG and EVT files are stored
o Choose “all files (*.*)” in the file type bar at the bottom of the page.
o Click on the file of interest, e.g. SI130607.LOGo In the import wizard screen select “delimited” then click Nexto Check the “tab” and “semicolon” boxes the click Nexto Click Finisho Select the cell where the data will be place, e.g. $A$1
– Note: when adding multiple days choose a cell below the last dayimported, e.g. $A$1402
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Example of Log File###################SI5048 - Log Data#################### SN : 1260000196# SN1 : 1260000234# SN2 : 0# SN3 : 0#TimeStamp HsTmp (Max) HsTmpSlv1 (Max) HsTmpSlv2 (Max) HsTmpSlv3 (Max) TrfTmp (Max) TrfTmpSlv1 (Max) TrfTmpSlv2 (Max) TrfTmpSlv3 (Max) BatTmp (Max) BatSoc (Avg) BatVtg (Min)DD.MM.YYYY hh:mm degC degC degC degC degC degC degC degC degC % V
6/13/2007 00:00 35 31 0 0 47 43 0 0 25.4 666/13/2007 00:01 35 31 0 0 47 43 0 0 25.4 666/13/2007 00:02 35 31 0 0 47 43 0 0 25.4 666/13/2007 00:03 35 31 0 0 47 44 0 0 25.4 666/13/2007 00:04 35 31 0 0 47 44 0 0 25.4 666/13/2007 00:05 35 31 0 0 47 44 0 0 25.4 666/13/2007 00:06 35 31 0 0 47 43 0 0 25.4 666/13/2007 00:07 34 31 0 0 47 43 0 0 25.4 666/13/2007 00:08 35 31 0 0 47 43 0 0 25.4 666/13/2007 00:09 35 31 0 0 47 43 0 0 25.4 666/13/2007 00:10 35 31 0 0 47 43 0 0 25.4 666/13/2007 00:11 34 31 0 0 47 43 0 0 25.4 656/13/2007 00:12 34 31 0 0 47 43 0 0 25.4 656/13/2007 00:13 34 31 0 0 47 43 0 0 25.4 656/13/2007 00:14 34 31 0 0 47 43 0 0 25.4 656/13/2007 00:15 34 31 0 0 47 43 0 0 25.4 656/13/2007 00:16 35 31 0 0 47 43 0 0 25.2 656/13/2007 00:17 35 31 0 0 47 43 0 0 25.2 656/13/2007 00:18 34 31 0 0 47 43 0 0 25.2 656/13/2007 00:19 34 31 0 0 47 43 0 0 25.2 656/13/2007 00:20 34 31 0 0 47 43 0 0 25.2 656/13/2007 00:21 34 31 0 0 47 43 0 0 25.2 656/13/2007 00:22 34 31 0 0 47 43 0 0 25.2 656/13/2007 00:23 35 31 0 0 47 43 0 0 25.2 656/13/2007 00:24 35 31 0 0 47 43 0 0 25.2 656/13/2007 00:25 34 31 0 0 47 43 0 0 25.2 656/13/2007 00:26 34 31 0 0 47 43 0 0 25.2 65
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Parameters Stored in Log Files
TimeStamp HsTmp (Max) HsTmpSlv1 (Max) HsTmpSlv2 (Max) HsTmpSlv3 (Max) TrfTmp (Max) TrfTmpSlv1 (Max) TrfTmpSlv2 (Max) TrfTmpSlv3 (Max) BatTmp (Max) BatSoc (Avg) BatVtg (Min) BatVtg (Max) BatVtg (Avg) BatChrgVtg (Avg) TotBatCur (Min) TotBatCur (Max) TotBatCur (Avg) InvVtg (Min) InvVtg (Max) InvVtg (Avg) InvVtgSlv1 (Min) InvVtgSlv1 (Max) InvVtgSlv1 (Avg) InvVtgSlv2 (Min)
InvVtgSlv2 (Max) InvVtgSlv2 (Avg) InvFrq (Min) InvFrq (Max) InvFrq (Avg) InvCur (Max) InvCurSlv1 (Max) InvCurSlv2 (Max) InvCurSlv3 (Max) InvPwrAt (Min) InvPwrAt (Max) InvPwrAt (Avg) InvPwrAtSlv1 (Min) InvPwrAtSlv1 (Max) InvPwrAtSlv1 (Avg) InvPwrAtSlv2 (Min) InvPwrAtSlv2 (Max) InvPwrAtSlv2 (Avg) InvPwrAtSlv3 (Min) InvPwrAtSlv3 (Max) InvPwrAtSlv3 (Avg) InvPwrRt (Min) InvPwrRt (Max) InvPwrRt (Avg) InvPwrRtSlv1 (Min)
InvPwrRtSlv1 (Max) InvPwrRtSlv1 (Avg) InvPwrRtSlv2 (Min) InvPwrRtSlv2 (Max) InvPwrRtSlv2 (Avg) InvPwrRtSlv3 (Min) InvPwrRtSlv3 (Max) InvPwrRtSlv3 (Avg) ExtVtg (Min) ExtVtg (Max) ExtVtg (Avg) ExtVtgSlv1 (Min) ExtVtgSlv1 (Max) ExtVtgSlv1 (Avg) ExtVtgSlv2 (Min) ExtVtgSlv2 (Max) ExtVtgSlv2 (Avg) ExtFrq (Min) ExtFrq (Max) ExtFrq (Avg) ExtCur (Max) ExtCurSlv1 (Max) ExtCurSlv2 (Max) ExtPwrAt (Min) ExtPwrAt (Max)
ExtPwrAt (Avg) ExtPwrAtSlv1 (Min) ExtPwrAtSlv1 (Max) ExtPwrAtSlv1 (Avg) ExtPwrAtSlv2 (Min) ExtPwrAtSlv2 (Max) ExtPwrAtSlv2 (Avg) ExtPwrRt (Min) ExtPwrRt (Max) ExtPwrRt (Avg) ExtPwrRtSlv1 (Min) ExtPwrRtSlv1 (Max) ExtPwrRtSlv1 (Avg) ExtPwrRtSlv2 (Min) ExtPwrRtSlv2 (Max) ExtPwrRtSlv2 (Avg) GnStt GnDmdSrc Rly1Stt Rly2Stt BatChrgOp OpStt RmgTmEqu (Min) RmgTmFul (Min) AptTmRmg
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Excel Chart of System on June 13, 2007
Knowles Ranch 6/13/07
35
40
45
50
55
60
65
70
75
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00 00:00Time of Day
Bat
tery
Vol
tage
(Vdc
)
-200
-150
-100
-50
0
50
100
150
200
batty
er C
urre
nt (A
mps
) / E
xter
nal V
olta
ge (V
ac)
BatVtg (Avg) VTotBatCur (Avg) AExtVtg (Avg)
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Example – Event File 1
06/13/2007 04:51:29;E;401;;
06/13/2007 04:46:29;E;601;;
06/13/2007 04:46:29;E;402;;
06/13/2007 04:42:29;E;602;;
06/13/2007 04:42:29;E;401;;
06/13/2007 04:37:29;E;601;;
06/13/2007 04:37:29;E;402;;
06/13/2007 04:33:29;E;602;;
06/13/2007 04:33:29;E;401;;
TimeStamp;Type;Number;;
#
# SN3 : 0
# SN2 : 0
# SN1 : 1260000234
# SN : 1260000196
#
#################
#
#SI5048 - Event/Failure History
#
#################
06/13/2007 09:48:24;E;103;;
06/13/2007 09:48:22;E;102;;
06/13/2007 09:44:16;E;101;;
06/13/2007 09:44:16;E;222;;
06/13/2007 09:39:18;E;103;;
06/13/2007 09:39:16;E;102;;
06/13/2007 09:19:54;E;101;;
06/13/2007 09:19:54;E;222;;
06/13/2007 09:14:55;E;103;;
06/13/2007 09:14:54;E;102;;
06/13/2007 09:13:08;E;101;;
06/13/2007 09:13:08;E;222;;
06/13/2007 05:13:29;E;601;;
06/13/2007 05:13:29;E;402;;
06/13/2007 05:09:29;E;602;;
06/13/2007 05:09:29;E;401;;
06/13/2007 05:04:29;E;601;;
06/13/2007 05:04:29;E;402;;
06/13/2007 05:00:29;E;602;;
06/13/2007 05:00:29;E;401;;
06/13/2007 04:55:29;E;601;;
06/13/2007 04:55:29;E;402;;
06/13/2007 13:02:22;E;610;;
06/13/2007 13:01:46;E;103;;
06/13/2007 13:01:44;E;102;;
06/13/2007 12:43:46;E;222;;
06/13/2007 12:38:45;E;619;;
06/13/2007 12:38:44;E;603;;
06/13/2007 12:38:44;E;711;;
06/13/2007 12:38:44;W;734;;
06/13/2007 12:38:43;E;204;;
06/13/2007 12:38:42;E;101;;
06/13/2007 12:38:42;E;402;;
06/13/2007 12:38:41;E;705;;
06/13/2007 10:37:17;E;101;;
06/13/2007 10:37:17;E;222;;
06/13/2007 10:32:19;E;103;;
06/13/2007 10:32:17;E;102;;
06/13/2007 10:04:03;E;101;;
06/13/2007 10:04:03;E;222;;
06/13/2007 09:55:13;E;103;;
06/13/2007 09:55:11;E;102;;
06/13/2007 09:53:22;E;101;;
06/13/2007 09:53:22;E;222;;
06/13/2007 17:51:53;E;601;;
06/13/2007 17:51:53;E;402;;
06/13/2007 17:46:53;E;609;;
06/13/2007 14:49:26;E;104;;
06/13/2007 14:49:26;E;610;;
06/13/2007 14:48:38;E;602;;
06/13/2007 14:48:38;E;401;;
06/13/2007 14:43:38;E;402;;
06/13/2007 14:40:38;E;609;;
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Example – Event File 2
06/13/2007 04:51:29;E;401;;
06/13/2007 04:46:29;E;601;;
06/13/2007 04:46:29;E;402;;
06/13/2007 04:42:29;E;602;;
06/13/2007 04:42:29;E;401;;
06/13/2007 04:37:29;E;601;;
06/13/2007 04:37:29;E;402;;
06/13/2007 04:33:29;E;602;;
06/13/2007 04:33:29;E;401;;
TimeStamp;Type;Number;;
#
# SN3 : 0
# SN2 : 0
# SN1 : 1260000234
# SN : 1260000196
#
#################
#
#SI5048 - Event/Failure History
#
#################
Generator Start Attempts
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Example – Event File 3
06/13/2007 04:51:29;E;401;;
06/13/2007 04:46:29;E;601;;
06/13/2007 04:46:29;E;402;;
06/13/2007 04:42:29;E;602;;
06/13/2007 04:42:29;E;401;;
06/13/2007 04:37:29;E;601;;
06/13/2007 04:37:29;E;402;;
06/13/2007 04:33:29;E;602;;
06/13/2007 04:33:29;E;401;;
TimeStamp;Type;Number;;
#
# SN3 : 0
# SN2 : 0
# SN1 : 1260000234
# SN : 1260000196
#
#################
#
#SI5048 - Event/Failure History
#
#################
06/13/2007 09:48:24;E;103;;
06/13/2007 09:48:22;E;102;;
06/13/2007 09:44:16;E;101;;
06/13/2007 09:44:16;E;222;;
06/13/2007 09:39:18;E;103;;
06/13/2007 09:39:16;E;102;;
06/13/2007 09:19:54;E;101;;
06/13/2007 09:19:54;E;222;;
06/13/2007 09:14:55;E;103;;
06/13/2007 09:14:54;E;102;;
06/13/2007 09:13:08;E;101;;
06/13/2007 09:13:08;E;222;;
06/13/2007 05:13:29;E;601;;
06/13/2007 05:13:29;E;402;;
06/13/2007 05:09:29;E;602;;
06/13/2007 05:09:29;E;401;;
06/13/2007 05:04:29;E;601;;
06/13/2007 05:04:29;E;402;;
06/13/2007 05:00:29;E;602;;
06/13/2007 05:00:29;E;401;;
06/13/2007 04:55:29;E;601;;
06/13/2007 04:55:29;E;402;;
Generator Start Attempts
Shut Downs
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Example – Event File 4
06/13/2007 04:51:29;E;401;;
06/13/2007 04:46:29;E;601;;
06/13/2007 04:46:29;E;402;;
06/13/2007 04:42:29;E;602;;
06/13/2007 04:42:29;E;401;;
06/13/2007 04:37:29;E;601;;
06/13/2007 04:37:29;E;402;;
06/13/2007 04:33:29;E;602;;
06/13/2007 04:33:29;E;401;;
TimeStamp;Type;Number;;
#
# SN3 : 0
# SN2 : 0
# SN1 : 1260000234
# SN : 1260000196
#
#################
#
#SI5048 - Event/Failure History
#
#################
06/13/2007 09:48:24;E;103;;
06/13/2007 09:48:22;E;102;;
06/13/2007 09:44:16;E;101;;
06/13/2007 09:44:16;E;222;;
06/13/2007 09:39:18;E;103;;
06/13/2007 09:39:16;E;102;;
06/13/2007 09:19:54;E;101;;
06/13/2007 09:19:54;E;222;;
06/13/2007 09:14:55;E;103;;
06/13/2007 09:14:54;E;102;;
06/13/2007 09:13:08;E;101;;
06/13/2007 09:13:08;E;222;;
06/13/2007 05:13:29;E;601;;
06/13/2007 05:13:29;E;402;;
06/13/2007 05:09:29;E;602;;
06/13/2007 05:09:29;E;401;;
06/13/2007 05:04:29;E;601;;
06/13/2007 05:04:29;E;402;;
06/13/2007 05:00:29;E;602;;
06/13/2007 05:00:29;E;401;;
06/13/2007 04:55:29;E;601;;
06/13/2007 04:55:29;E;402;;
06/13/2007 13:02:22;E;610;;
06/13/2007 13:01:46;E;103;;
06/13/2007 13:01:44;E;102;;
06/13/2007 12:43:46;E;222;;
06/13/2007 12:38:45;E;619;;
06/13/2007 12:38:44;E;603;;
06/13/2007 12:38:44;E;711;;
06/13/2007 12:38:44;W;734;;
06/13/2007 12:38:43;E;204;;
06/13/2007 12:38:42;E;101;;
06/13/2007 12:38:42;E;402;;
06/13/2007 12:38:41;E;705;;
06/13/2007 10:37:17;E;101;;
06/13/2007 10:37:17;E;222;;
06/13/2007 10:32:19;E;103;;
06/13/2007 10:32:17;E;102;;
06/13/2007 10:04:03;E;101;;
06/13/2007 10:04:03;E;222;;
06/13/2007 09:55:13;E;103;;
06/13/2007 09:55:11;E;102;;
06/13/2007 09:53:22;E;101;;
06/13/2007 09:53:22;E;222;;
Shut Downs
Manual Start
Inverter RestartTransfer Relay Closed
Shut Down
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06/13/2007 13:02:22;E;610;;
06/13/2007 13:01:46;E;103;;
06/13/2007 13:01:44;E;102;;
06/13/2007 12:43:46;E;222;;
06/13/2007 12:38:45;E;619;;
06/13/2007 12:38:44;E;603;;
06/13/2007 12:38:44;E;711;;
06/13/2007 12:38:44;W;734;;
06/13/2007 12:38:43;E;204;;
06/13/2007 12:38:42;E;101;;
06/13/2007 12:38:42;E;402;;
06/13/2007 12:38:41;E;705;;
06/13/2007 10:37:17;E;101;;
06/13/2007 10:37:17;E;222;;
06/13/2007 10:32:19;E;103;;
06/13/2007 10:32:17;E;102;;
06/13/2007 10:04:03;E;101;;
06/13/2007 10:04:03;E;222;;
06/13/2007 09:55:13;E;103;;
06/13/2007 09:55:11;E;102;;
06/13/2007 09:53:22;E;101;;
06/13/2007 09:53:22;E;222;;
Example – Event File 5
06/13/2007 04:51:29;E;401;;
06/13/2007 04:46:29;E;601;;
06/13/2007 04:46:29;E;402;;
06/13/2007 04:42:29;E;602;;
06/13/2007 04:42:29;E;401;;
06/13/2007 04:37:29;E;601;;
06/13/2007 04:37:29;E;402;;
06/13/2007 04:33:29;E;602;;
06/13/2007 04:33:29;E;401;;
TimeStamp;Type;Number;;
#
# SN3 : 0
# SN2 : 0
# SN1 : 1260000234
# SN : 1260000196
#
#################
#
#SI5048 - Event/Failure History
#
#################
06/13/2007 09:48:24;E;103;;
06/13/2007 09:48:22;E;102;;
06/13/2007 09:44:16;E;101;;
06/13/2007 09:44:16;E;222;;
06/13/2007 09:39:18;E;103;;
06/13/2007 09:39:16;E;102;;
06/13/2007 09:19:54;E;101;;
06/13/2007 09:19:54;E;222;;
06/13/2007 09:14:55;E;103;;
06/13/2007 09:14:54;E;102;;
06/13/2007 09:13:08;E;101;;
06/13/2007 09:13:08;E;222;;
06/13/2007 05:13:29;E;601;;
06/13/2007 05:13:29;E;402;;
06/13/2007 05:09:29;E;602;;
06/13/2007 05:09:29;E;401;;
06/13/2007 05:04:29;E;601;;
06/13/2007 05:04:29;E;402;;
06/13/2007 05:00:29;E;602;;
06/13/2007 05:00:29;E;401;;
06/13/2007 04:55:29;E;601;;
06/13/2007 04:55:29;E;402;;
06/13/2007 17:51:53;E;601;;
06/13/2007 17:51:53;E;402;;
06/13/2007 17:46:53;E;609;;
06/13/2007 14:49:26;E;104;;
06/13/2007 14:49:26;E;610;;
06/13/2007 14:48:38;E;602;;
06/13/2007 14:48:38;E;401;;
06/13/2007 14:43:38;E;402;;
06/13/2007 14:40:38;E;609;;Transfer Relay Open
Transfer Relay Open
Transfer Relay Closed
Generator Start
Generator Stop
Generator Stop
Generator Running
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Application: Information carrier
n In addition to SI-Data and parameters also other information can be stored on SD card. o User manual can be stored on cardo White papers and or applications noteso Digital pictures of system and/or problem componentso Detailed instructions to users for specific problems