IEEE C62.11-1999
Oxide Surge Arresters for Alternating Current Power Circuits (>1KV)
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About This Item
C62.11-1999 is a technical standard for oxide surge arresters used in alternating current power circuits above 1 kV. It addresses how these protective devices are specified and evaluated so they can help limit overvoltage stress on power equipment and improve electrical system reliability. In power, energy, and industrial applications, the document is relevant wherever insulation coordination, fault protection, and surge performance need to be defined with care.
Overview of C62.11-1999
This standard focuses on oxide surge arresters intended for AC power circuits exceeding 1 kV, a key area in medium- and higher-voltage power engineering. C62.11-1999 is used to guide technical expectations around arrester design, ratings, and performance-related characteristics, helping users compare products on a consistent basis. For procurement and engineering teams, the document provides a practical reference when selecting surge protection equipment for electrical networks and related installations.
Typical use cases
C62.11-1999 is typically applied in substations, distribution feeders, transformers, switchgear, and other equipment exposed to switching or lightning-induced surges. It is also relevant in industrial power systems where voltage transients can affect motors, control gear, and insulation systems. The standard may be used during specification, testing, and acceptance of oxide surge arresters for AC service, especially when dependable overvoltage protection is needed across interconnected power and energy assets.
Why it matters
For power-system owners and engineers, this standard helps support consistent product selection and clearer technical requirements for surge protection devices. Using C62.11-1999 can reduce ambiguity in compliance checks, improve coordination between equipment ratings, and support safer operation under transient conditions. It also helps procurement and quality teams compare arrester offerings on a common technical basis, which can reduce risk and improve long-term reliability in electrical installations.
- Oxide surge arresters
- AC power circuits above 1 kV
- Surge and overvoltage protection
- Power, energy, and industrial systems
- Specification and performance reference
- Publication Date: 1999
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications
- Official IEEE: Doi link
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