At site, we have 30Kw motor (3 phase, 400V,50Hz) and FLC
54A as per the nameplate. At the time of starting it draws
840A instead of 390A (7.2%). As per the data sheet also its
390A starting current. it thru a dol starter from the MCC.
can anyone tell what is the problem in the motor
Answer Posted / atul pradhan
pl. check motors connection in terminal box if it is
connected in star then current may increased.
| Is This Answer Correct ? | 5 Yes | 13 No |
Post New Answer View All Answers
1.why we are using blocks in withoutgaplightning arrester 2.why we ar using bushing in withoutgap lightning arrestor
How to know Resistance and Reactance value of main and aux winding of single phase capacitor start capacitor run induction motor to find capacitor value?
with 3 phase board on a 63 amp rcd is it ok to have 6 electrical showers 2 on each phase and what problems could happen
in non technical way how can u define POWER FACTOR??
do you have some of interview Questions in power and genrator section in general whith answers
HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS
Disadventage of cable-gland earthing if any ?
Given a collection of points P in the plane, a 1-set is a point in P that can be separated from the rest by a line; i.e. the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P). The maximum value of n1(P) over all configurations P of 19 points in the plane is 18
What do you mean by per capita requirement of electrical energy in india
what are the condition that makes hooter blow?
What is meant by harmonic distortion?
In PFI plant one stage capacitor connection is directly connected(with out megnetic contact controll). but why?
sent to a site and asked to explain how you would like a twenty seven flour building should be supplied with lighting and sockets plus a water boiler.
before transformer oil dielectric strenght tests are taken the oil should be allowed to settle to remove option 1 air bubbles 2 gasses 3 contamination 4 water
is there any current and voltage drop on liquid resistance starter water/soda tank ?