Special Applications Of The Sinamics Dcm; Operation Of A Permanent-Magnet Dc Motor; Input Of A High Inductance Via Sinamics Dcm; Dc Link Infeed From Pulse-Controlled Converters Through Sinamics Dcm - Siemens SINAMICS DCM 6RA80 Faq

Special applications of the SINAMICS DCM

The normal application is operation of a separately excited DC motor on the 6RA80.
However, the 6RA80 can be used for many special applications in addition to this.
Thererfore application notes are available
http://support.automation.siemens.com/WW/view/de/38157755/133300
Operation of a permanent-magnet DC motor, e.g. 1HU3... on the SINAMICS DCM:
A permanent-magnet DC motor has permanent magnets for the motor excitation field.
These types of motor can also be used on the 6RA80. The 1HU3 motor has a rated voltage
of 160 V. If a 6RA80 is operated in a 400 V 3AC power system, a peak voltage of 560 V
occurs at the output. The commutator of the motor is not rated for such a high peak voltage
and may be damaged. For that reason, a 150 V 3AC to 230 V 3AC matching transformer is
required at the input of the 6RA80 1U1/1V1/1W1. The nominal line voltage is set in
parameter p50078[0].
To perform current controller optimization, the motor shaft must be blocked. (The motor must
remain stopped during current controller optimization.)
Operation of a series-wound motor or a motor with a stabilizing series winding
(compound winding) on the SINAMICS DCM:
See under: http://support.automation.siemens.com/WW/view/en/40871945

Input of a high inductance via SINAMICS DCM:

For operation of a high inductance (field power supply of a DC motor, field power supply of a
synchronous generator, solenoid application, eddy-current brake) on the 6RA80, fault-free
operation on the standard 6RA80 is possible
Note:An overvoltage protection must be always configured at the direct voltage output of the
6RA80 to protect the thyristors in the 6RA80. This must be suitable for reducing the energy
content of the inductive load: W[Ws] = L[H] * I[A]
http://support.automation.siemens.com/WW/view/en/47362177/0/de
Closed-loop control of a generator set using SINAMICS DCM:
http://support.automation.siemens.com/WW/view/en/54140187
12-pulse parallel connection with SINAMICS DCM:
6-pulse or 12-pulse series connection of SINAMICS DCM:
http://support.automation.siemens.com/WW/view/en/59383636
Parallel connection or series connection of motors on a shared SINAMICS DCM:
See under: http://support.automation.siemens.com/WW/view/en/40960351

DC link infeed from pulse-controlled converters through SINAMICS DCM:

Possible, if required: A DC smoothing reactor is recommended for this application. Siemens
technical advisers will support you with configuration.
2Q: For DC link voltage up to approx. line voltage * 1.2
4Q: Maximum controlled DC link voltage up to line voltage * 1.05 possible.
Set p50153 = 2.
Charging batteries with SINAMICS DCM:
Siemens technical advisers will support you with configuration of this application.
Electrolytic applications with SINAMICS DCM:
Siemens technical advisers will support you with configuration of these applications.
Retrofit replacement of the control of old power sections with
6RA80 control via SINAMICS DCM Control Module:
2
/2 in case of a fault.
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