Forming Dc Link Capacitors - Siemens SINAMICS G115D Operating Instructions Manual

Distributed drive

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Forming DC link capacitors

Introduction

You have to reform the DC link capacitors if the converter/Electronic Module has been stored

for more than one year. Non-formed DC link capacitors can damage the converter in

Precondition

The converter/Electronic Module has not yet been used, and according to the production date

it was made over a year ago.

The production date is coded in the 3rd and 4th digit of the serial number. You may find the

serial number easily on the service information label at the front of the Electronic Module.

Production year and month

• Example: Serial number S XAM002-002137 → Production date October 2020

Function description

You form the DC link capacitors by supplying the converter with a line voltage of ≤ 100% of

the rated voltage for a defined time.

SINAMICS G115D distributed drive

Operating Instructions, 09/2020, FW V4.7 SP13, A5E48681219B

Production year

4.6 Forming DC link capacitors

Production month

January ... September