IEEE C37.99-2012
IEEE Guide for the Protection of Shunt Capacitor Banks
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- Language: English
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- Language: English
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About This Item
IEEE C37.99-2012 is a technical guide for the protection of shunt capacitor banks in power, energy, and industrial applications. It addresses the engineering considerations that help protect capacitor bank equipment from abnormal currents, switching events, and related system stresses. For utilities and plant engineers, this standard is useful when evaluating protection practices, coordinating devices, and improving operational reliability. IEEE C37.99-2012 supports more consistent design and application decisions for this specialized equipment.
Overview of IEEE C37.99-2012
This standard focuses on the protection of shunt capacitor banks, which are commonly used to support voltage and reactive power needs in electrical systems. IEEE C37.99-2012 provides guidance for selecting and applying protective measures that may reduce equipment damage and service interruptions. Its technical context includes power system components, switching behavior, and coordination with associated circuits and devices. The document is relevant wherever capacitor banks are integrated into distribution, transmission, or industrial power networks.
Typical use cases
IEEE C37.99-2012 is typically used when specifying or reviewing protection schemes for shunt capacitor banks in substations, industrial power distribution, and utility compensation installations. It can help during equipment design, retrofit planning, and protection coordination studies involving fuses, relays, switches, and related control gear. Engineers may also consult it when checking how capacitor bank arrangements fit into broader system performance requirements, especially where switching transients or fault conditions need careful consideration.
Why it matters
Proper protection of shunt capacitor banks can affect equipment life, service continuity, and safety. IEEE C37.99-2012 gives a structured basis for design and procurement decisions, helping teams apply protection methods more consistently and reduce the risk of miscoordination or premature failure. For organizations managing power system assets, the standard can support clearer technical requirements, more reliable testing and review, and better alignment between the bank design and expected operating conditions.
- Shunt capacitor bank protection guidance
- Power system coordination considerations
- Switching and fault stress mitigation
- Utility and industrial application focus
- Design and review reference for equipment selection
- Publication Date: 2013
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems
- Official IEEE: Doi link
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