Reduction Of The Output Current - Siemens SINAMICS G150 Reference Manual
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3.3.3
Reduction of the output current
Fundamentals
The test reveals whether the current limiting controller actively intervenes in the drive control
when an output current reduction is simulated.
Test procedure
1. The auxiliary voltage is present.
2. The drive is switched on and controls the test station motor.
3. The output current is reduced with the current limiting controller.
4. The output current is further reduced until it is no longer sufficient to operate the motor.
Result
The test is passed if the appropriate messages are displayed on the test station computer, and
the drive is shut down.
SINAMICS G150 6SL37102G E11 F72 F76 F79 L45 L50 L57 L68 M54 U11
Reference Manual Rev.201902141443 LV Umrichter
The actual speed is displayed on the test station computer.
The speed decreases. The appropriate alarm is displayed on the test station computer.
The drive is switched off.
The motor coasts down. The appropriate fault is displayed on the test station computer.
3.3 Function test with the test station motor
Tests
27
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