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Q: What is electrical zonal protection?
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What is Selection procedure for motor protection circuit breaker?

The selection of overload protection for motors is taken from a table in the electrical code book. It is based on the full load current rating of the motor.


What are electrical fuses?

Safety devices used in electrical circuits.AnswerA fuse is an overcurrent protection device, and will operate in the event of a sustained overload current or a short-circuit current.


What is secondary engineering?

It's the engineering concerning protection, control, supervision and communication of electrical substations or power plants.


What is best electronics engineering or electrical power engineering for a student?

electronic engg deals with the ic's ,active and passive elements and circuits and electrical power engg deals with the electric generation distibution and protection.


What is the purpose of current relay?

Electrical protection refers to the sense and command protective relay features provided to control the interruption of electrical service resulting from mechanical or electrical failures or other unacceptable conditions. Electrical Protection includes short circuit and overload protection provided by molded case circuit breakers and fuses, as well as relays. Relay protection is a collection of protective relay devices and systems which monitor the electrical characteristics of equipment and/or power distribution systems to assure power systems and equipment operation remain within predetermined limits. The protective devices initiate the removal from service of any piece of equipment and/or power system which is subjected to an abnormal operating condition exceeding preset limits.