MV switchgear cell
Türkçe: OG hücresi
A compartment where medium-voltage breakers, disconnectors, measuring and protection equipment are grouped inside a metal enclosure.
// EXPLANATION
MV substations consist of incoming, metering, transformer-protection and outgoing cells. Interlocking of cell doors and the switching sequence are critical safeguards against wrong operation and arc accidents.
// ALSO KNOWN AS
switchgearswitchgear cellcubiclebay
// RELATED TERMS
Medium voltageThe voltage class, roughly 1 kV to 36 kV in Turkish practice, that feeds substations and large consumers on the distribution network.
Switching operationOpening and closing switchgear in a defined order to energise, de-energise or earth a section.
Circuit breakerA switching device that can make and break normal load current and short-circuit current, opening the circuit on command from a protection relay during a fault.
DisconnectorA safety switch that opens a de-energised circuit to create a visible air gap; it has no capability to interrupt current.
