i wanna know that star point in transformer becomes as a
neutral on secondary side now tell me that how is that
possible?because if joit the all three winding ends with
each other it can b short circuited.dut it doesn't.WHY?pls
Answer me in brief.thanks alot
Is it required to lay 2 runs of GI wires along with
armoured cables from one power DB to another Power DB?
What should be the overcurrent, instantaneous overcurrent, short cicuit
current settings (i.e. how many times of motor full load and what is the time
duration) for a motor?
what is the operating time for LBB and how does the LBB
relay realise whether cb is opened or not?
Installation method of self treated earth electrode.
How to calculate the input cable rating for 10kva ups
(3phase input and single phase output and also 3phase
output, battery rating 65Ah)provide the formula also.thnx
The electrical energy required to raise the tempreture of a given amount water is 200 kwh. If the heat losses are 20%, the energy required is?
what is the maximum permissible limit value of leakage
current and leakage counter reading to replace lightining
5- What is the task (function) of the excitation and
isolation transformers in power plant?
6- What is the task (function) of LCI (A), LCI (B) and LCI
(COS) in power plant?
: LCI (A) and LCI(B) are load commutating inverter for
generator turbine starting.
, LCI (COS) is load commutating inverter change over
ELECTRICAL DRIVES: can a motor load system with passive
load torque can have equilibrium speed in second quadrant
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.
A motor running with lenze frequiency inverter stops if I
REDUCE SPEED with 25% load.If I run it in High speed and
medium speed running smoothly with full load.please help me
to solve it.
Meter p.t. ratio= 3×230/400 , c.t.ratio = 3×1 (2) A what is m.f.
10rm cable can got load ---- amp?
Which Size Cable can take the load 100amp capacity SCR; breaker.