IEEE PC37.06/D9 Nov 2008
IEEE Draft: Standard AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis - Preferred Ratings and Related Required Capabilities for Voltages Above 1000 Volts.
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Language: English
License Type: Single User
Updates: Not Included
About This Item
IEEE PC37.06/D9 Nov 2008 is a draft technical document for AC high-voltage circuit breakers rated on a symmetrical current basis, with preferred ratings and related required capabilities for voltages above 1000 volts. It is relevant to power, energy, and industry applications where breaker selection and performance must align with defined rating practices. This standard helps frame equipment expectations for higher-voltage systems, supporting clearer design, specification, and procurement decisions.
IEEE PC37.06/D9 Nov 2008 overview
The IEEE PC37.06/D9 Nov 2008 standard focuses on how AC high-voltage circuit breakers should be rated when symmetrical current is the basis for evaluation. Its scope includes preferred ratings and related required capabilities for equipment used above 1000 volts, which makes it especially important for medium- and high-voltage electrical systems. As a draft standard, it reflects technical guidance intended to support consistent rating conventions, capability expectations, and engineering review for breaker applications.
Typical use cases
This technical document is commonly used when specifying or assessing high-voltage circuit breakers for substations, switchgear lineups, and industrial power distribution systems above 1000 volts. It may also support equipment comparison during sourcing, especially when preferred ratings and required capabilities must be matched to system conditions. Engineers, utilities, and industrial operators can use IEEE PC37.06/D9 Nov 2008 to help align breaker selection with symmetrical current requirements and related voltage-duty expectations.
Why this standard matters
In practice, IEEE PC37.06/D9 Nov 2008 helps reduce ambiguity in breaker ratings and capability checks, which is important for safe and consistent application of high-voltage equipment. Clear rating criteria can support compliance reviews, procurement specifications, and design validation for systems above 1000 volts. By defining preferred ratings and related required capabilities, the standard can help limit mismatch between equipment performance and actual service conditions, lowering operational and engineering risk.
- AC high-voltage circuit breakers
- Symmetrical current rating basis
- Preferred ratings above 1000 volts
- Related required capabilities
- Power and industrial application context
- Publication Date: 2008
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications
- Official IEEE: Doi link
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