yadeli prod 2 nov 2010
TRANSCRIPT
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THREE-PHASE MOTOR CONTROLLERS
Three-phase motor controllers feature: soft start and soft stop energy savings phase loss protection
low and high voltage protection over current protection remote motor start-stop control automatic external bypass jogging
SOFT START AND SOFT STOP
ENERGY SAVINGS
MOTOR PROTECTION
AUTOMATIC EXTERNAL BYPASS
JOGGING
PowerAsiaTechnology
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Different level of Energy Saving
devices
Capacitor Bank Power Factor correction 1-5% saving
Voltage / Current
Regulating forinductive load
Lowering the V and I respectively 8-12% saving
Voltage Regulatingfor fixed motor
speed
Fixed Ratio
Variable Ratio
Slow Reaction time,result motor damage 12-20% saving
Fast Reaction timeof 1 10ms
Close loop variablemotor speed
control
Inverter + controller +feedback signal
30-60% saving
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Control system with energysaving module (frequency-varied)
DDC Inverter
Indoor MCU Outdoor terminal block
R S T
L (220V)
N (220V)
Signal wire
Comp
T S R
(External) energy saving control module
Temperature
Pressure
Outdoor unit
Energy Saving for motors
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3Meter
3AC Main
SourceVFD Motor
3 , f, V3 , f, V
DIFF
24Vdc
Fuzzy PID
TemperatureSimulator
andSensor
TemperatureParameter
Note: 3 meter can display wattage consumed to reflect motors
energy consumption under different temperature parameters
Energy saving with variable speed motor control (30%-60% saving)Cooling tower motor, pumps motor, AHU, blower, compressor motor and more.
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DIFF Controllerboard
Inverter
Sensors Input
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3Meter
3AC Main
SourceVFD Motor
3 , f , V , I3 , f, V, I
IntelligentController
24Vdc
PIDParameter
TemperatureSimulator
andSensor
TemperatureParameter
RS-485 HubRS-485/RJ-45Converter
PC
Note: Except wattage as in option 1, f, V, I and temperature can also be displayed on PC
Two programs of control software are required to code and port on PC
RS-485
RS-485RS-485RJ-45
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DIFF
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Fixed speed but varying load applications
http://upload.wikimedia.org/wikipedia/commons/4/42/Copenhagen_Metro_escalators.jpg -
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Installation diagram with external bypass
MOTOR
R S T
R S T
R S T
AC IN
PAT-VC
Motor on-offindicator
AC input forIndicator *
BYP COM
MCBYPASS
a
b
R S T
R S T
CT1
CT2
CT3
AC input forMC control **
* The voltage of the AC inputfor the indicator depends onthe voltage of the indicator.
** The voltage of the AC inputfor the MC control depends onthe voltage specification of the
MC.
Motor on-offremote
control
Joggingcontrol
START COM STEP
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Application: Escalator
Speed: Constant
Control: Motion Sensor
Inveter
Inverter: Speed reduceswhen nobodyon escalator
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Application: Escalator
Speed: Constant
Control: Monitor current
VC board:Speed remain whennobody on escalator.Voltage & Current reduces.
1ms response time whenload return.
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Application Escalator
Motor Size 40Hp (30kw)
Average Savings 35.75%
Savings (down) 6.08kw to 4.00kwPower Tariff $0.30/kwh
Annual Saving(12hr x 365)
$2,628
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SES-VT series
Feature:
Power Saving Efficiency: 10%
Plug and Save, Easy to Install
Multiple Power Protection functions
Enhance anti-harmonic interference protection
Spec: 110-220Vac 1 , 10A / 15A Max
Application: High Electrical consuminghome appliances, e.g. refrigerator, washingmachine, water pump, dehumdifier.
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VS/VK mixed load energy saving
Saving 18-25%
Single or Three phase
Power Line
Power Line- L1
Power Line- N
NFBNFB
NFBNFB
SES-VCS 50A/75A
NFB: Non-Fuse Breaker
NFB
Utility Meter
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SES-VTL series
Super Light Saving Adapter
Feature:
Power Saving Efficiency: 10% Plug and Save, Easy to Install
Spec: 110-220Vac 1 , 10A / 15A Max
Application: Home, Office, Building,Business Centre, Factory
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VS/VKVCVR
Summary
DIFFVT/VTL
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