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what is the HT motor current setting (Motor protection relay)aganist FLA If the capacitor is connected in parallal to the motor to increase the P.F from 0.89 to 0.99. the setting is to be reduced. what is the formula for to calculate the current.(FLA - CALCULATED CURRENT!= )
1 8727what is the mechanism of operation of brushless dc motor why is it more wexpensive then ordinary permanent magnet motors
2007we know that dc motors are more superior then three phase induction motors in torque generation though they are not much used in industries why?
5 8057What are the reason of unbalanced secondary voltage of HT transformer 33kv/6.6kv ? Incomming voltage is balanced.33kv each secondary voltage 6.6 kv 6.4 kv 6.4 kv At no load conditions.
1 3849DO MEGGER TEST APPLIED ON SURGE ARRESTOR? IF YES THEN WHAT ARE THE ACCEPTED R VALUE REQUIRED FOR SURGE ARRESTORS FOR VOLTAGE LEVEL 11KV, 33KV
2 10193in small capacitor we use uf( micro farad) and in big quantity we used kvar. i want to know that in 1 kva how much will b uf(micru farad).
2 5340Post New Electrical Engineering Questions
can any one suggest paper presentation topies for electrical engg?
What is the lower limit of break-down voltage of converter transformer.
What is current & voltage ? Voltage perform at any load without current or not?
How each of the following losses occur in d.c machines (i) copper (2)core (3) windage (4)friction please help me
can we install HT panel & LT panel side by side or how much clearance is required ?
What is the method of estamating of cable, CB,MCB ?
To prove the capacity of a 10MVA transforemr with 6.5% impedance by a short circuit test how much power is needed to inject an impedance voltage if we have to arrive for its rated current?
What is the power factor of a transformer at no load?
How equivalent impedance is calculated in thevenin theorem?
how to fit 3 HP crompton gear motor with conveyor with the use of staring delta starter or ordinary starter?
If the rated speed of a d.c. Shunt motor is1440 r.p.m, which method of speed control would you suggested to obtain a speed of 1500 r.p.m?
what will happen reduce the transformer voltage from 415v to 406v, is it save the energy,? are this methodis good to reduce the energy.?
What are capacitive,resistive,inductive surge absorbation? What is ferranti surge absorber? What is lagrangian cost? What is Px operator?
what's the requirement of Dy11d0 connection of 3 phase transformer?what's use of it?
what is ps impedance test
