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Poznámky redaktora
Siemens trademark Siemens AG. All Rights Reserved.The symbol for watt “W.
Watt The basic unit electric power.This term applies both Drives and DC
Drives.
Volts per Hertz (V/Hz) Describes the operation many variable frequency drives that
Operation control the speed motor varying the frequency of
the voltage applied the motor while maintaining constant
voltage frequency ratio.
Volt The basic unit voltage. Other names
mentioned may trademarks registered trademarks their respective companies. Voltage symbolized “E” “V” and is
measured volts.The symbol for volt “V.
”
Word Usually one more bytes used represent instructions or
data digital equipment.
Vector Control technique employed some variable frequency drives that
involves calculations motor current vectors and precise
control motor flux provide excellent speed and torque
control.
Wye connection arrangement used for the primary and/or
secondary three-phase transformer.
”
Voltage Also called difference potential, electromotive force, EMF
.
Voltage force that, when applied conductor, causes
current flow.40
Variable Speed Drive electronic drive device used control the speed an
electric motor.
Voltmeter meter designed measure voltage.
Primary Secondary
L1
L2
L3
L1
L2
L3
Wye-Wye (Y-Y)Transformer Configuration
N
N
© Siemens Industry, Inc.
