Lenze 520 Series - Operating Diagram of Brake Choppers for Stationary Operation

4Q - DC Chopper 520 series
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5.3 OPERATING DIAGRAM OF BRAKE CHOPPERS FOR STATIONARY OPERATION
~BR~
VA Gen~
‚A Gen:
actual electrical power which must be dissipated in
the brake circuit.
Armature voltage in generator mode
Armature voltage in generator mode
Example: A drive is operating with the following motor data in the generator
mode:
VAGen = 130V
Gen = 3 A
From the diagram you can obtain the power loss of the brake resistor of
approx. 140W.
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