03 POWER ELECTRONICS AND CABINET FEATURES
3BHS213401 E01 REV H ACS1000 AIR-COOLED USER MANUAL 31/184
3.2 Drive topology
Figure 3-2: Block diagrams of an ACS1000A with a 12-pulse rectifier (A) and a drive with a
24-pulse rectifier (B)
The drive system consists of the following main components:
- Main circuit breaker (MCB): For more information, see “2.8 Important note - main circuit
breaker” on page 23.
- Transformer: For more information, see the Transformer specification.
- Drive
- Asynchronous motor: For more information, see the motor specification.
(1) Medium voltage switchgear including main
circuit breaker and transformer protection
(2) Transformer
(3) Rectifier
(4) Protection IGCTs
(5) DC link
(6) Inverter
(7) Filter
(8) Motor
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