Why a starter is used for a motor?
Answer Posted / boobesh
1.To limit the starting current
2.To provide against low voltage and over load condition
Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What is meant by system?
What do you mean by dependent and independent voltage sources?
Usually in the L & T make MCC feeders' power circuit,we have BMR after the MAIN CONTACTOR.,can we interchange their position, keeping the control logic same???
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating
will there be any problem by recovering slip from single phase induction motors?
Why negative feedback is preferred in the control system?
in a simple IDMT relay we use neutral point of ct for earth fault then what is the requirement of neutral ct and cbct?
how to calculate units consumption for a 12 hp motor /hr.
What is the meaning of HT Trivector Meter ?
how is find out kwh step by step
what is difference between speed mode and torque mode in motor?? explain in simple words please.
what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:
A 500 V shunt motor runs at its normal speed of 250rpm when the armature current is 200A. The resistance of the armature is 0.12 Ω. Calculate the speed when a resistance is inserted in the field reducing the shunt field to 80% of normal value and the armature current is 100A.
Is it a better option to procure screw type air compressor rather than reciprocating air compressor?If so, what is the reason?How should we select an air compressor(100 CFM)? Please mention the important parameters of air compressor.
how can you size an automatic voltage regulator?