Technical brochure
TB 817 WG A3.38

Shunt capacitor switching in distribution and transmission systems

The switching devices associated with different loads in distribution and transmission networks have different switching duties to fulfil with sometimes contradicting performance requirements. Thus, a switching device intended to switch reactors might require other abilities than a device to switch capacitors. In this Technical Brochure (TB) the switching of capacitor banks is addressed with the main focus on the applied switching devices, not on the associated equipment such as capacitors, reactors etc.

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A3

Transmission and distribution equipment

This Technical Brochure has been created by a Working Group from the CIGRE Transmission and distribution equipment Study Committee which is one of CIGRE's 16 domains of work.
The scope of the SC A3 covers theory, principles and concepts, functionality, technological development, design, performance and application of materials, efficiency and operation for all devices for switching, interrupting and limiting currents, load switches, re-closers, ring-main units disconnecting switches, earthing switches surges arresters, capacitors, busbars, equipment insulators and instrument transformers and all other equipment within the substation not specifically covered under another equipment Study
Committee’s scopes.

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