novel high efficiency ups system · voltage stability reduce volume efficiency suitable for ups...

1September 30th, 2008 2008 IBM Power and Cooling Symposium

Novel High Efficiency UPS SystemNovel High Efficiency UPS System

Yasuhiro OKUMAYasuhiro OKUMASenior General ManagerSenior General ManagerTechnology Planning DepartmentTechnology Planning DepartmentPower Electronics Development CenterPower Electronics Development CenterTechnology Development GroupTechnology Development GroupFuji Electric Systems Co., Ltd.Fuji Electric Systems Co., Ltd.


AgendaAgenda1. Background

2. Trend of Fuji UPS Technology

3. Series Parallel Processing Topology>Principal>Realization

4. New Products: 8000 Series ( Three-phase, Large Capacity )

5. New Products: GX Series ( Single-phase, Small Capacity )

6. Conclusion







6. Conclusion


1997: Kyoto Protocol

1998: Promotion of the Measures to Copewith Global Warming

2008: Law Regarding the Rationalization of Energy Use2007: The Green Grid ( DCD, PUE )

Climate Savers Computing Initiative ( High Efficiency )

The function and the performance were important so far. Hereafter, efficiency becomes the most important.

Fuji Electric has worked on the developmentof high efficiency UPS since 2000.

BackgroundBackground







6. Conclusion


Trend of Fuji UPS TechnologyTrend of Fuji UPS Technology

Capacitors, FW

Power Device

Topologies

ControllerControl Dev.Control Top.

Inverter

Interface

Rectifier

Compact,High efficiencyMore reliability

Low costHigh Efficiency(Energy Saving)

High ReliabilityUser FriendlyHigher Spec.Non-linear load

Compact in size

Low THDiHigher Spec(High Pf-in)

1st. Gen. LAN Applicable (network OS)

2nd. Gen. LAN (SNMP etc)

Contact

Analog Control Digital Control

1975 199019851980 1995 Requirement2000

Line Interactive

Items

Serial Port

Online Double conversion

Discrete IC, LSI Microprocessor, DSP, ASIC

6 Pulse, 12 Pulse Rectifier High Power Factor Rectifier

Multiplied Inverter Low Freq. PWM(Carrier F < 1kHz)

High Freq. PWM(Carrier F > 5kHz)

MOSFETIGBT IPM

Thyristors

[ Self arc-suppression, Rapid Switching, Low Loss, Low Drive Power ]

GTOPower Transistors

Catalytic Plug Valve Regulated Lead AcidStorageBatteries

Maintenance, LifetimeDownsizing

New Conversion

High Reliability

User Friendly

Auto Shutdown at Blackout

Scheduled Operation

Total Managing System

Environment, RoHS

= =



2. Trend of UPS Technology




6. Conclusion


Series Parallel Processing TopologySeries Parallel Processing TopologyWhat is Suitable Principal for High Efficiency?

Series Parallel Processing Topology

Voltage Stability Reduce Volume Efficiency Suitable for UPS

Double Conversion High Low Low High

Parallel Processing Low Mid High Mid

SMR+Inv. High High Low Mid

Direct Conversion High Mid High Low

Line Interactive Mid Low Mid Mid

Series Processing High High High Low

We need new Topology!!


Series Parallel Processing TopologySeries Parallel Processing TopologyWhy do we choose Series Parallel Processing Topology?

Double Conversion

Parallel Processing

Series Parallel Processingdc

acac

dc

dcac

dcac

acdc

Low Performance

High Efficiency

High Performance

Low Efficiency

High Performance

High Efficiency

Series Conv. Parallel Conv.


Series Parallel Processing TopologySeries Parallel Processing TopologyPrincipal

Series Processing

Parallel Processing

Series Parallel Processing

dcac

acdc

dcac

dcac

Voltage Compensator

Active Filter

Series Conv. Parallel Conv.

Series Conv. : Voltage Compensator Function

Parallel Conv. : Active Filter & Parallel Inverter Function


Series Parallel Processing TopologySeries Parallel Processing TopologyRealization: Three-Phase System

How did we achieve smooth changing operation?

P-Con.S-Con.

VI

VI

Th1

Th2

V

Th1

Th2

Alternate Switching

Active filter & PFC

AVR

<Normal Mode>


Series Parallel Processing TopologySeries Parallel Processing TopologyRealization: Three-Phase System

P-Con.S-Con.

V

Th1

Th2

Inv.

AVR

<Back-Up Mode>Non Interruption!

Transition Period: High Gain AVR operation

P-Con.S-Con.

V

Th1

Th2

Inv.


Series Parallel Processing TopologySeries Parallel Processing TopologyRealization: Single-Phase System

Easy to Compose the Series Converter with a Transformer.However, the miniaturization of the device of small capacity disturbed by the Transformer.

How did we achieve without using the transformer?

S-Con. S-Con.

?

Series Converter

AVR

Furthermore we needDC Power Source.


Series Parallel Processing TopologySeries Parallel Processing TopologyRealization: Single-Phase System

Parallel Converter

Parallel Converter

Series Converter

Series Converter







6. Conclusion


New Products: 8000 SeriesNew Products: 8000 Series

1. High Efficiency : 98%2. Non Interruption3. High reliability : (N+1) Redundant systems

Features

System / Circuit configurations

～

O

●

X● ● ● ●

●

●

X

● ● O

OO

Maintenance Bypass Circuit

Through Circuit

SeriesConverter

ParallelConverter

Battery

UPS 8000D

●

ac Switch

Loa

ds

Load Voltage

Input Voltage

Operation Waveforms


New Products: 8000 SeriesNew Products: 8000 SeriesSpecifications

Dual processing method (Standby redundancy operation possible)

Rated output capacity (kVA) 100 150 200 250 300 400 500 600 750 1000 1500 2000

Switching time on serv ice interruption No short break

AC input Number of phases Three-phase, three-wire

Voltage

Frequency 50/60Hz (+/-1 to +/-5% selectable f or setting)

Power f actor 0.98 or more (At the rating)

Number of phases Three-phase, three-wire

Voltage Same as the AC output v oltage

AC output Voltage 200V or 415V, 3-phase

Frequency Same as the input, except f or +/-0.01% when operated on battery .

Load power f actor 0.8 (lag) to 1.0 (Rated at 1.0).

Voltage accuracy (When set) In AVR mode: +/-2% or less

In ECO mode: +/-5% or less (Selectable f or setting)

Transient v oltage f luctuation +/-5% or less (Load 0 <=> 100%)

Voltage waveform distortion factor 5% or less

Ov erload capacity In normal condition: 125% for 10 minutes, 200% for one minute, 1000% for one cycle.

During serv ice interruption: 150% f or one minute.

Direct transmissioninput

200 V +/-15%

415 V +/-15%

UPS Sy stem


New Products: 8000 SeriesNew Products: 8000 SeriesExample of Parallel Operation System


No 2 UPS


No 1 UPS

Direct Transmission

Battery

Output Input

P-Con.S-Con.

No 3 UPS

Max 8-Parallel / Redundancy


New Products: 8000 SeriesNew Products: 8000 SeriesExample of Parallel Operation WaveformsBreakdown Mode

Out-Put

Voltage

Out-Put

Current

No 1

No 2

No 3

WarningNo 1 MC3

3-Parallel Operation 2-Parallel Operation

No 1-Fuse Blown No 1-MC3 Opened

Loads

No 1

No 2

No 3

MC3

Loads

No 1

No 2

No 3

MC3

Breakdown


New Products: 8000 SeriesNew Products: 8000 SeriesComparison in Efficiency and Loss ( Example at 80kW )

Series Output ( kW ) Efficiency ( % ) Loss ( kW ) Power Consumption ofAir-Conditioning Unit ( kW )

Conventional UPS 80 88 10.9 3.9

8000 Series 80 98 1.6 0.45

Comparison in Electric Charge ( Example at 100kVA )

*When operated continuously all year around under 100% load.

Item Result Remarks

Difference in UPS loss 9.3kW =10.9kW-1.6kW

Difference in air-conditioning power consumption 3.45kW =3.9kW-0.45kW

Electric power improved 12.75kW =9.3kW+3.45kW

Annual electric energy reduced 111,690kWh =12.75kW x 24h x 365days

Electric charge saved (Annual) 1.68 million yen / year Electricity rate of 15 yen/kWh

Amount of CO2 cut back 41.4t CO2 emission rate of 0.371kg-amount of CO2/kWh

The 8000 Series leads to a substantial cutback of running cost and reduction of CO2 emissions.It can therefore be termed environment-friendly and suitable Green-IDC systems.







6. Conclusion


New Products: GX SeriesNew Products: GX Series

1. High Efficiency : 96.7% ( 3000VA )

2. Non Interruption

Features

System / Circuit configurations Operation Waveforms

GX200 GX100

Input voltage

Output voltage

Change from 165V to 235V Change from 235V to165V

Input voltage

Output voltage

Input voltage

Output voltage

Change from 165V to 235V Change from 235V to165V


New Products: GX SeriesNew Products: GX SeriesSpecifications

Series GX200 GX100Capacity ( kVA ) 0.7, 1.4, 3.0, 5.0, 7.5, 10 1, 1.5, 2.0, 3.0, 5.0, 7.5, 10

Phase Single-Phase / 2-Wire Single-Phase / 2-Wire

Voltage ( V ) 200 ( +20%, -20% )220 / 230 ( +25%, -25% )

240 ( +20%, -20% )

85 - 138 ( Wide Range )

Phase Single-Phase / 2-Wire Single-Phase / 2-WireVoltage ( V ) 200, 220 / 230, 240 ( +3%, -3% ) 100, 105, 110, 115, 120

( +2%, -2% )Selectable on Dip Switches

Backup Time 5 - minutes 6 - minutes

Output

Input


New Products: GX SeriesNew Products: GX SeriesComparison in Efficiency and Loss

Series Voltage ( % ) Efficiency ( % ) Loss ( W ) Conversion Loss ( W )

75 92.8 187 139

100 96.7 83 36

125 94.9 129 81

85 85.1 426 251

100 87.1 361 190

115 88.5 316 156

75 90.4 47 35

100 96.6 16 4

125 92.8 35 23

85 84.3 151 100

100 86.6 126 77

115 88.3 108 63

ConventionalJ:1000VA

GX:700VA

ConventionalJ:3000VA

GX: 3000VA

The GX Series is a high efficiency UPS. It means a substantial cutback of running cost and environment-friendly and suitable Server systems.







6. Conclusion


ConclusionConclusion

Fuji Electric has worked on the development ofhigh efficiency UPS since 2000.

New Topology: Series Parallel Processing Topology

8000 Series: Large Capacity ( 100kVA - 2,000kVA )High Efficiency and High PerformanceSuitable Green-IDC

GX Series : Small Capacity ( 0.7kVA - 10kVA ) High Efficiency, For Server

Fuji Electric Systems works on strategic development of newcircuit topology and further, high efficiency UPS System aimingat the achievement of the Sustainable Society.


Thank You!Thank You!Contact:Contact:

[email protected]@fesys.co.jp

novel high efficiency ups system · voltage stability reduce volume efficiency suitable for ups...

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