International Standards and Conformity Assessment for all electrical, electronic and related technologies

PC 127

Low-voltage auxiliary power systems for electric power plants and substations

 
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PC 127 Work programme (4)

Project

Reference

Document

Reference

Init.

Date

Current

Stage

Next

Stage

Working

Group

Project

Leader

Fcst. Publ.

Date

IEC TS 63346-1-1 ED1

Low-voltage auxiliary power systems ‒ Part 1-1: Terminology

127/20/NP 2020-10 ACD
  • ACD
  • Approved for CD

2020-10

CD
  • CD
  • Draft circulated as CD

2020-12

WG 2 Jianbin Fan 2022-06
IEC TS 63346-2-1 ED1

Low-voltage auxiliary power systems – Part 2-1: Design criteria – General requirements

127/21/NP 2020-10 ACD
  • ACD
  • Approved for CD

2020-10

CD
  • CD
  • Draft circulated as CD

2020-12

WG 3 Ying Chen 2022-06
IEC TS 63346-2-2 ED1

Low-voltage auxiliary power systems – Part 2-2: Design criteria – Low-voltage d.c. auxiliary power systems for substations

127/22/NP 2020-10 ACD
  • ACD
  • Approved for CD

2020-10

CD
  • CD
  • Draft circulated as CD

2020-12

WG 3 CJ Roy 2022-06
IEC TS 63346-2-3 ED1

Low-voltage auxiliary power systems – Part 2-3: Design criteria – Low-voltage a.c. auxiliary power systems for substations

127/23/NP 2020-10 ACD
  • ACD
  • Approved for CD

2020-10

CD
  • CD
  • Draft circulated as CD

2021-12

WG 3 Mark Waldron 2022-06