Switchgear Review

Electronics, Instrumentation & Electrical Database

Switchgear Review

Switchgear is a general term covering switching and interrupting devices that control, meter and protect the flow of electric power. The component parts include circuit breakers, instrument transformers, transfer switches, voltage regulators, instruments, and protective relays and devices. Switchgear includes associated interconnections and supporting or enclosing structures. The various configurations range in size from a single panel to an assembly of panels and enclosures.

Switchgear subdivides large blocks of electric power and perfroms the following;

• Distributes incoming power between technical and non-technical loads.
• Isolates the various loads.
• Controls auxiliary power sources.
• Provides the means to determine the quality and status of electric power.
• Protects the generation and distribution systems.

Switchgear Assembly