What is Switchgear? its Types How it Works?

1. What is Switchgear?
Types of Switchgear
How it Works?
By Ghafoor Engineering

2.  Electrical switchgear regulates, protects, and
isolates a power system with a variety of
controls housed in a metal enclosure.

3.  High voltage switchgear
 Low voltage switchgear
 Medium voltage switchgear

4.  The automated protective switchgear
primarily includes the circuit breaker and
relay.
 The relay comes into action when a fault
occurs, and it usually closes the trip circuit
which automatically disconnects the faulty
line.
 After that, the operative and healthy section
runs the normal and required supply load.
And therefore, there’s no damage to
apparatus and no disruption of supply.

5.  While the occurrence of any fault or defect in
the power system, all electric apparatuses are
vulnerable to have a heavy current which
means the apparatus could get damaged and
the supply also gets disrupted.
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7.  Fuses,
 Switches
 Relays
 Isolator
 Circuit Breaker
 Potential and Current Transformer
 Indicating Device
 Lightning Arresters