Circuit Breaker Trip Due To Control Circuit Ground Fault
Control circuit for medium and high voltage circuit breakers have protective relay contacts to trip and close circuit breaker. Control…
Control circuit for medium and high voltage circuit breakers have protective relay contacts to trip and close circuit breaker. Control…
Series connection of current transformer [CT] is used when accuracy improvement is desired without increasing CT ratio. Series connection of…
Capacitor trip device [CTD] or capacitor trip unit [CTU] is a device that provide DC source of energy for circuit…
A separately derived system is an electrical system in which the service phase (hot) and neutral conductors has no electrical…
Main Bonding Jumper [MBJ] is used to connect switchboard neutral bus and switchboard ground bus. MBJ is a very critical…
Temperature is the most common cause behind power system device damage. Expensive devices such as motors and transformers can have…
Open circuiting secondary side of current transformer [CT] can lead to dangerous voltage build up that can eventually lead to…
Temperature kills motors. Temperature is the most common cause behind motor damage. A 10-degree centigrade increase in insulation temperature decrease…
It is possible to do three phase current measurement using just two current transformers (CT) in electrical systems with neutrals…
Current Transformer [CT] shorting blocks are used to bypass CT secondary current flowing to the connected device by inserting a…