why energy storing capacity of magnetic field is much higher
than electric field ?
Why do we apply both Differential and REF (HV and LV)
protection schemes on YNyn configuration of a transformer?
On a 3 winding transformer YNynd11, how do you apply REF
protection to the Delta tertiary winding that is supplying
auxiliaries to a substation?
1.how to calculate energy units in our home at singe phase,
2.415V,63A wiring what will use thickness of wire
what is the difference between gas group b and gas group c
electrical equipment construction wise?
what is the id1 & id2 setting in differential protection relay of CSPC?
take 100kva DTR( delta/wye ), what ll happen if we connect
11kv to LT side instead of connecting to HT side? will the DTR
behave as a step up transformer or something else????
Direction of flow of active power and reactive power with
WHAT IS THE MEANING OG (li = 7 In)
a solenoid of inductance 250mH and resistance 10ohm is
connected to a battery. the time taken for the magnetic energy
to reach 1/4th of its maximum value will be?
IN A 3 PHASE,400V,4 WIRE SYSTEM, 2 INCANDESCENT LAMPS , ONE
HAVING 230V,100W AND THE OTHER 230V,200W ARE CONNECTED BETWEEN
R PHASE- NEUTRAL AND Y PHASE-NEUTRAL RESPECTIVELY. IF NEUTRAL
WIRE BREAKS WHICH LAMP WILL FUSE FIRST AND WHY?
explain the f=np/120 this equ.how to come 120
phase association of 3PH L&T static CT meter is wrong.
means 1PH & 1 CT connected properly and other 2 voltage and
CT's inter changed. what would be the impact in the reading?
1) How to calculate battery backup for ups as well as solar
with complete formula elaborately......
a transformer can have zero voltage regulation
a)o pf b)1 pf c)lagg pf d)lead pf
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