变频电机.pdf
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variable speed drives 10/99 31/1/00 1: 25 pm Page 2
FIRST
EDITION
VARABLE SPEED DRVES
AND MOTORS
∝Ou∝O=工Ou一<∑u
Under PWM Inverter Operation
Pliers of Variable Speed
ers is available
achines. other than turbne
REMA
no liability can be accepted
ASSOCLATION FOR
ROTATING ELECTRICAL
INSTRUMENTATION CONTROL AUTOMATION MACHINES ASSOCIATION
Developed by the joint GAMBICA/REMA Working Grpup
Foreword
Scope
I his lechnical Report has been produced to
This Report provides information on the ba
mcet a demand for an authoritative quide on
operating principles of Pwminverters with an
good practice in the application of motors on
emphasis on the type using IGBT switchine
PWM inverter supplies With respect to Voltage
devices, and the interfacc with the motor. It deals
stresses. It is the result of a study carried out b
with transmission line effects in the supply cables
GAMBICA and REMA taking note of well
betwveen the inverter and the motor and the
established fundamental theor y, technical papers impact of voltage peaks at the motor terminals
and carrying out specific investigations. I he
Advice is aiven on the capability of motors to
information given, While it can be applied to
Withstand inverter supplies and When
motors and inverters in general, is specific to
preventative measurcs to control peak voltag
current generation products of member
and/or excessive capacity currents should be
The technical Report principally considers
Supplies considered are low voltage up to 690V
voltages developed by the voltage source PWM ac
inverter, supply line cffects and motor insulation
systems. It supplements IEC 60034-17: 1998
ige inductio
motors fed from converters)which provide
additional information on other importar
ng: torquc de-rating
num Safe operatio
The report covers motors and inverters installed
with a scparatc cabling system connecting the
components together, it Is not applicable to drives
Integrated into a motor design, gencrally now
available up to 7. 5kw-see scction 7. 2
This information supplements the
GAMBICA/REMA Technical Guide and a useful
reference list for further reading is provided in
lection g of the report
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