SWITCH GEAR EQUIPMENT
The devices used for following
activities under normal and abnormal conditions in a system are known as
switchgear equipment
-
Switching Devices
o
Circuit
Breakers
o
Isolators
o
Earth
Switch
o
Fuse Switch
o
MCCB
o
MCB
-
Current Interrupting Devices
o
Circuit
Breakers
o
Fuse Switch
o
Fuse
o
MCCB
o
MCB
-
Protective Devices
o
LA
o
Relay
Circuits
o
Different
Types of Relays
-
Regulating Devices
o
AVR
o
Governor
o
COLT (On
load tap changer)
-
Measuring Devices
o
Metering
Devices
o
CTs’and
V Ts’
ADVANTAGES OF ELECTRICAL
ENERGY
-
Easy to
control
-
Easy to
convert to other forms of energy
-
Converting
equipment are commonly available in the market
DISADVANTAGES OF ELECTRICAL
ENERGY
-
Risk of
fire
-
Electrocutions
may be possible
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