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