In a synchronous machine if the field axis is ahead of the
armature field axis then the machine is ?
The capacitive reactance of a capacitor of 1/(2(PI)) F at 10^3 H is
can we use 220 volt 15 w a.c. lamp on 220 volt d.c.
define the active power?
What is the stander resistance value between the neutral and earth?
10 Answers Crossdomain, Sepco,
What is use of 3phase instead of single phase?
12 Answers DCM, L&T,
some basic standard questions on transformer.
we have taken HV test of 2.5 k and Megger test on 11 kv HT cable.here it shows no fault but when we are charging the same cable with 11 kv supply why the VCB 11 kv gets tripped can anybody define the possible cause of fault ?
while grounding the galvenized metallic structures is it necessary to remove the galvenization at the point of contact? Or other wise is the galvenizatio a good conductor?
700KW 6.6KV slip ring induction motor to use VFD to control the speed
Natural frequency of a system gives... 1) nature of transient 2) overshoot 3) oscillations 4) speed of response
What should be value of Circuit breaker operating time and tripping time?
in CNC reference how to take? what kind of input give to the servo amplifier?