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Relay are operated by small current /voltage connected to Secondary side of Current Transformer and /or Voltage Transformer. The signal stimulates the magnetic substance nearby with the attracting force. This closes or opens the circuit being used in protection purpose.
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A device with a overload protection used to control a motor is a?
A device with an overload protection used to control a motor is an Overload Relay.
What is LBB protection Relay?
LBB is local breaker protection
Why buchholz relay is used in transformer have ratings more than 750kva?
Buchholz Relay is a special type of relay and its only used in transformers, and the main use of this relay is transmission and distribution systemAnswerA Buchholz relay is used between a transformer and its expansion tank. So they are only used (1) where there is an expansion tank and, (2) in substations, where the associated protection relays can be installed.
What is lock out relay function why it is needed?
Lock out Relay is the Master Trip relay( It is a latch relay once operated we have to reset it by manual) Which is used for Generator protection,Transformer protection,Turbine protection (Fixed in indoor Panel, Standard manufacturer only making those relays) if it operated because of any fault in above the after clearing all the fault we have to reset it by hand(normally available 110Volts or 220Volts DC).
What is the purpose of the Merit Systems Protection Board (Whistleblower Protection and the OSC?
What is the purpose of the Merit Systems Protection Board
Which relay is used to protect generators and motors?
differential protection relay
What is the use of reactance relay?
reactance relay is used for distance protection of the transmission line....
A device with a overload protection used to control a motor is a?
A device with an overload protection used to control a motor is an Overload Relay.
What is the purpose of piping?
The purpose of piping as used in plumbing applications is to relay fluids such as water to households.
Is feeder protection relay and ring main unit protection relay same?
No there not same
Difference between overload relay and over current relay?
due to the extension of loads they are using the relays for protection.........
What the three types of over current protection relay and describe the principles of operation?
over current protection relay
What is LBB protection Relay?
LBB is local breaker protection
Why buchholz relay is used in transformer have ratings more than 750kva?
Buchholz Relay is a special type of relay and its only used in transformers, and the main use of this relay is transmission and distribution systemAnswerA Buchholz relay is used between a transformer and its expansion tank. So they are only used (1) where there is an expansion tank and, (2) in substations, where the associated protection relays can be installed.
What is a over current trip relay?
It is the one type of coil in the electrical motor starters. It is used to release the switch, i.e. turns off the motor, when heavy load is connected to the motor. It is used for the protection purpose.
What is the purpose of an automotive relay?
The Purpose of a Relay is to control multiple electrical components at once.
What is the purpose of relay for life?
The purpose of relay for life is to raise money for cancer and find a cure for it.
