IEEE PC57.13.3/D7.2, Aug 2014
IEEE Draft Guide for Grounding of Instrument Transformer Secondary Circuits and Cases
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Language: English
License Type: Single User
Updates: Not Included
About This Item
IEEE PC57.13.3/D7.2, Aug 2014 is a draft guide focused on grounding of instrument transformer secondary circuits and cases in power and energy applications. It addresses how secondary wiring and enclosures should be arranged to support safe, consistent operation of instrument transformers used in electrical systems. For engineers, utilities, and equipment specifiers, this technical document is relevant because grounding practices can affect measurement integrity, personnel safety, and system performance.
Overview of IEEE PC57.13.3/D7.2, Aug 2014
This draft guide provides technical direction for grounding practices associated with instrument transformer secondary circuits and transformer cases. IEEE PC57.13.3/D7.2, Aug 2014 is intended to clarify design and installation considerations where secondary connections, insulation coordination, and case grounding need to be handled carefully. In power system environments, these details help support reliable metering and protective functions while reducing the chance of unintended voltages, noise issues, or misapplication during engineering and procurement.
Typical use cases
This standard is typically used when specifying or reviewing instrument transformer installations in substations, switchgear assemblies, and utility or industrial power distribution equipment. It is relevant to secondary circuit wiring, grounding of transformer cases, and related design checks for metering and protective relaying schemes. Teams may consult IEEE PC57.13.3/D7.2, Aug 2014 during equipment selection, drawing review, commissioning, or maintenance planning where consistent grounding practice is needed for reliable operation.
Why it matters
Proper grounding guidance is important because instrument transformer secondary circuits can influence both safety and measurement quality. IEEE PC57.13.3/D7.2, Aug 2014 helps support more consistent decisions during design and installation, which can reduce errors, improve documentation, and limit avoidable risk in service. For procurement and compliance work, it offers a technical reference that can be used to align specifications, verify installation intent, and improve confidence in test results and operating performance.
- Grounding of secondary circuits
- Instrument transformer case bonding
- Metering and relay system support
- Installation and commissioning reference
- Power system safety and consistency
- Publication Date: 2014
- Standard Status: Active
- Publisher: IEEE
- Subject: Components, Circuits, Devices and Systems; Power, Energy and Industry Applications
- Official IEEE: Doi link
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