Explain principle of Soft-starter & how its working???
Answer Posted / esveekayzee
for starting a rated motor with a DOL starter which draws 5-
6 times of load current initially which causes voltage
drops in line while a soft starter takes comparatively less
current and gradually decrease to the rated current.
but the main draw back of soft starter is its torque
remains low at the starting.
Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
State nyquist stability criterion.
How to measure size of cable on a given load
sometime battery charged and then automatically charged when rectifier ON conition, is there any chances please clarify the same.
why do we lay up the core of a cable?
how much value of resistance should connect to 15 kw, 6 pole 3 phase slip ring induction motor having RV-240, RA-42.
what will happen if OLR CT in all phases are short circuted
What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.
What is electrical grounding?
State and define norton’s theorem?
in control panel, how can i measuring the distance between one bus bar to another bus bar. then now only for bus bar. in mpcb and contactor also. that means one mpcb to another mpcb how much distance? how can i calculate that.
what is the meaning of neutral displacement ???
According to IEC60034-14, When the vibration monitoring system required for motor Bearing. above which KW, it is required? and for what type of bearing the vibration probe is provided.
How npn and pnp transistor works
how can check the resistance of battery contact?
how we sesign the transformer give some specifion regarding design of transformers