Product overview
The ACS880-04F is a drive module for controlling asynchronous AC induction motors,
permanent magnet motors, AC induction servomotors and ABB synchronous reluctance
motors (SynRM motors).
The main circuit of the drive module is shown below.
L1/U1
L2/V1
L3/W1
T1/U2
T2/V2
T3/W2
R-
R+
4
2
1
UDC-
UDC+
PE
5
ACS880-04F
3
AC choke
1
Rectifier. Converts alternating current and voltage to direct current and voltage.
2
DC link. DC circuit between rectifier and inverter.
3
Inverter. Converts direct current and voltage to alternating current and voltage.
4
Brake chopper (D150). Conducts the surplus energy from the intermediate circuit of the
drive to the brake resistor when necessary. The chopper operates when the DC link voltage exceeds
a certain maximum limit. The voltage rise is typically caused by deceleration (braking) of a high
inertia motor.
5
28 Operation principle and hardware description
Содержание ACS880-04F-504A-3
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Страница 165: ...Mounting plate opening 3AXD50000038119 Dimension drawings 165 ...
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Страница 167: ...External control unit 3AXD50000011687 Dimension drawings 167 ...
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