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Poznámky redaktora
 Other names
mentioned may trademarks registered trademarks their respective companies.
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.The symbol for volt “V.
Primary Secondary
L1
L2
L3
L1
L2
L3
Wye-Wye (Y-Y)Transformer Configuration
N
N
© Siemens Industry, Inc.
Voltmeter meter designed measure voltage.This term applies both Drives and DC
Drives. Siemens trademark Siemens AG. Voltage symbolized “E” “V” and is
measured volts.
”
Voltage Also called difference potential, electromotive force, EMF
.
”
Word Usually one more bytes used represent instructions or
data digital equipment.
Voltage force that, when applied conductor, causes
current flow.
Volt The basic unit voltage. All Rights Reserved.
.The symbol for watt “W.
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.
Watt The basic unit electric power.40
Variable Speed Drive electronic drive device used control the speed an
electric motor