The practices described in this guide apply to all instrument transformers, including capacitive voltage transformers (VTs) and linear couplers, irrespective of primary voltage or whether the primary windings are connected to, or are in, power circuits or are connected in the secondary circuits of other transformers as auxiliary current transformers (CTs) or VTs. This guide does not discuss the grounding of some applications. For example, grounding of gas insulated substations and metal clad switchgear is not discussed in this guide; the reader will find these topics addressed in IEEE Std 242. The grounding of circuits of core-balance CTs is also not discussed in this guide. The reader can also find this information in IEEE Std 242. Another issue that is not discussed in this guide is the practice of using separate safety and control grounds. For discussion on this topic, the reader is directed to IEEE Std 665.
- Sponsor Committee
- PE/PSRCC - Power System Relaying and Control
Learn More - Status
- Superseded Standard
- PAR Approval
- 1998-06-25
- Superseded by
- C57.13.3-2014
- Superseding
- C57.13.3-1983
- Board Approval
- 2005-11-08
- History
-
- ANSI Approved:
- 2006-03-20
- Published:
- 2006-05-08
Working Group Details
- Society
- IEEE Power and Energy Society
Learn More - Sponsor Committee
- PE/PSRCC - Power System Relaying and Control
Learn More - Working Group
-
C57.13.3_WG-I13 - Working Group for Grounding of Instrument Transformer Secondary Circuits and Cases
- IEEE Program Manager
- Malia Zaman
Contact - Working Group Chair
- M Sachdev
No Active Projects
No Active Standards
No Superseded Standards
No Inactive-Withdrawn Standards
No Inactive-Reserved Standards