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Description
3.2 Motor Module employing M2C technology
3.1.3
Protection and monitoring functions of internal components
The internal components of the drive have the following protection and monitoring functions:
● Drive protection based on monitoring systems:
● Shutdown in the event of semiconductor failure
● Shutdown in the event of control component failure
● Internal protection functions for the control hardware
● Protection against communication failure between the closed-loop control and the power
● Anti-condensation heating
3.1.4
Protection and monitoring functions for external components
Transformer and motor can be monitored in the drive. A fast protective shutdown that you can
activate for external problems, e.g. short-circuits, is present.
3.2
Motor Module employing M2C technology
The Motor Modules provide the power for the connected motor. The Motor Module is supplied
with power for the motor via the DC link.
The Motor Module is built in M2C technology with IGBT semiconductors. Motor Modules in
M2C technology provide the motor with almost sinusoidal voltages. The Motor Module in M2C
technology comprises a submodule and a branch reactor cabinet.
● In the submodule cabinet, the double submodules are housed with the IGBT
● The branch reactors and the associated measuring equipment can be found in the branch
28
– Current monitoring
– DC link monitoring
– Monitoring the output voltage
– Thermal monitoring of the power unit
– Precharging monitoring
– Supply voltage monitoring
– Insulation monitoring
– Monitoring of the common power supply
– Circuit breaker monitoring
– Re-cooling unit monitoring
unit
semiconductors.
reactor cabinet.
SINAMICS SM120 6SL38855?B
Operating Instructions 12/2015
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