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ABB form -wound 380 690 Standard insulation system.du/dt filters
du/dt filtering suppresses inverter output voltage
spikes and rapid voltage changes that stress motor
insulation.
Random -wound and
Form -wound
420 500 the insulation system withstands LL=1600 and At=0.
At Rise tim i. ith du/dt filtering, the insulation system must
withstand LL=1800 V. For
more information please see the ACS800 hardware
manuals. For information the construction of
the motor insulation, consult the manufacturer. Additionally, du/dt filtering reduces
capacitive leakage currents and high frequency
emission the otor cable well high frequency
losses and bearing currents the motor.
42 Hardware options 3AFE68375126 17.
Û Peak line line voltage otor terminals.3 ^s,
d u/dt filtering not required. the
m otor does not fulfil the following requirements, the
lifetime the motor might decrease.e.
Symbol Explanation
U Nominal mains voltage.
M otors 500 600 Standard insulation system conjunction with du/dt filtering reinforced insulation.
The need for du/dt filtering depends the motor
insulation.
HXR and motors /dt filtering with voltages over 500 V.
Non-ABB 420 Insulation system must withstand LL=1300 V.2009
.
600 690 Reinforced insulation system conjunction with /dt filtering.
Insulated N-end (non-driven end) bearings and or
com ode filters are also required for motor
bearing currents with motors bigger than 100 kW. interval during which line line voltage otor term inals changes from 10% of
full voltage range.
F ilter tio 0
M otor type Nominal mains
voltage N)
M otor insulation requirement
ABB and Standard insulation system.
W ith du/dt filtering, the insulation system must withstand LL=1600 V.2.
500 600 the insulation system withstands LL=1800 du/dt filtering not required.
HXR and motors
ABB random -wound 380 690 heck otor insulation system with the otor manufacturer.2 ^s, u/dt filtering not
required. ith du/dt filtering, the insulation system must withstand LL=1300 V.
600 690 the motor insulation system withstands LL=2000 and At=0
