IEEE PC37.013a/D5
Unapproved Draft IEEE Standard for AC High Voltage Generator Circuit Breakers Rated on a Symmetrical Current Basis Amendment 1: Supplement for Use With Generators Rated 10-100 Mva
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About This Item
IEEE PC37.013a/D5 is an unapproved draft amendment for AC high voltage generator circuit breakers rated on a symmetrical current basis, with added guidance for use with generators rated 10-100 MVA. In the power and energy field, this technical document helps define how these breakers should be rated and applied so they can better match generator duty, support consistent engineering decisions, and reduce uncertainty during design and procurement.
What is IEEE PC37.013a/D5?
IEEE PC37.013a/D5 is a draft amendment to the IEEE PC37.013 standard that focuses on AC high voltage generator circuit breakers. Its scope is centered on symmetrical current rating and the supplemental considerations needed when the breaker is intended for generators in the 10-100 MVA range. As a draft standard, it represents a technical reference under development for engineers reviewing breaker performance, application limits, and rating assumptions in generator protection systems.
Where is IEEE PC37.013a/D5 used?
This standard is relevant in power generation environments where AC high voltage generator circuit breakers connect a generator to the electrical system. It is typically used when specifying or evaluating breaker ratings for generators in the 10-100 MVA range, such as in utility-connected generation, industrial power plants, and other medium-scale generating installations. IEEE PC37.013a/D5 supports technical review of equipment selection, application suitability, and coordination between generator output characteristics and breaker capability.
Why is IEEE PC37.013a/D5 important?
IEEE PC37.013a/D5 matters because generator circuit breakers must be matched carefully to the electrical duty they will see in service. Clear rating guidance helps engineers compare products consistently, reduce application errors, and support safer system design. For procurement and compliance review, the draft also provides a common technical basis for testing and specification, which can lower risk when selecting equipment for generator protection and switching duties. IEEE PC37.013a/D5 is especially useful where symmetrical current basis ratings must align with generator operating conditions.
- AC high voltage generator circuit breakers
- Symmetrical current basis rating
- Generators rated 10-100 MVA
- Application and design guidance
- Draft amendment status
- Publication Date: 2005
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications
- Official IEEE: Doi link
- New Version Available: PC37.013 (2006)
- This Version: PC37.013 (2005)
- Previous Version: PC37.013 (2002)
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