IEEE PC37.20.9/D3, Dec 2016
IEEE Draft Metal Enclosed Switchgear Rated 1 kV to 52 kV Incorporating Gas Insulation Systems
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About This Item
IEEE PC37.20.9/D3, Dec 2016 is an IEEE draft standard for metal-enclosed switchgear rated from 1 kV to 52 kV that incorporates gas insulation systems. It addresses how this equipment is defined and evaluated for power and energy applications, with attention to insulation arrangement, enclosure performance, and related engineering requirements. For buyers and engineers, IEEE PC37.20.9/D3, Dec 2016 helps frame technical expectations for compact medium-voltage switchgear where gas insulation is used to support reliable operation.
What is IEEE PC37.20.9/D3, Dec 2016?
This draft document focuses on the technical requirements and design context for gas-insulated, metal-enclosed switchgear within the 1 kV to 52 kV range. It is intended to guide how the equipment is constructed, rated, and assessed so that its insulation system and enclosure work together as a coordinated assembly. In practice, IEEE PC37.20.9/D3, Dec 2016 is relevant when comparing product designs, reviewing compliance language, or evaluating whether a switchgear offering aligns with expected IEEE practices.
Where is IEEE PC37.20.9/D3, Dec 2016 used?
IEEE PC37.20.9/D3, Dec 2016 is typically used in medium-voltage power distribution environments where compact switchgear is needed and gas insulation systems are part of the design. That may include utility substations, industrial power centers, and commercial facilities that rely on enclosed switching and protection equipment. It is also useful during engineering review, procurement, and specification development for projects that need clearly defined requirements for 1 kV to 52 kV metal-enclosed switchgear.
Why is IEEE PC37.20.9/D3, Dec 2016 important?
This standard matters because gas-insulated switchgear requires careful coordination of electrical ratings, insulation performance, and enclosure design. IEEE PC37.20.9/D3, Dec 2016 supports more consistent specification and evaluation of equipment that may otherwise vary in construction details and test expectations. For asset owners, designers, and procurement teams, it can reduce ambiguity during selection and help support safer, more predictable installation and operation of medium-voltage switchgear systems.
- Metal-enclosed switchgear requirements
- Gas insulation system context
- 1 kV to 52 kV rating range
- Design and evaluation reference
- Medium-voltage power applications
- Publication Date: 2017
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems
- Official IEEE: Doi link
- New Version Available: PC37.20.9 (2025)
- Previous Version: PC37.20.9 (2025)
- Previous Version: PC37.20.9 (2024)
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- Previous Version: PC37.20.9 (2019)
- Previous Version: PC37.20.9 (2019)
- Previous Version: PC37.20.9 (2018)
- Previous Version: PC37.20.9 (2018)
- Previous Version: PC37.20.9 (2018)
- This Version: PC37.20.9 (2017)
- Previous Version: PC37.20.9 (2017)
- Previous Version: PC37.20.9 (2017)
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