Difference between online and offline UPS?11 19155
megger generates D.C. voltage while earth tester generates A.C.voltage is it true? I know for megger it is D.C generator but what about earth tester?
What is the cause for a blown fuse in one phase of primery side(HV) of a three phase transformer( 4169v-460v) in the time of closing its supply breaker. There is no load on the secondery side of the transformer in this moment.3 7675
iam using DM 3251 voltmeter(1 percent accuracy)for 11KV system PT ratio is 11KV/110V.can anybody explain what is the max and min voltage deviation.870
What is mean by Sub Synchronous Resonance(SSR)???1 2487
how to calculate the neautral earthing conductor size for a 500kva dg set.2 6464
What are the implications when the power factor is is leading condition ?1 1445
What is double delta conection in AC Motor? And can we done the double RPM of the motor by double delta conection?1 5794
when the rheostat kept in minimum to maximum position in motors what will happen?7 11257
Cables Construction hi friends, 0.6/1/1.2 kV LV , DC and Control cables are concentric copper conductor what does its means and what is the use of concentric copper conductor,and are this with copper tape shield or copper screening, ? thanks
Which level of the Transformer oil got dielectric strengh? And why?
WHY IS THE EARTH FAULT CURRENT ALWAYS LESS THAN THE NORMAL CURRENT??
How we calculate the size of ht cable for any transformer
what is the calculation formula for motor starting torque,running torque, running torque.
what is the transformer rush current?
If a surge divertor is required to be protected by 32 amp C Curve Circuit breaker does this limit the amount of protection from surges that you will acheive
How to calculate total harmonic distortion level(THD) in VFD? and how can we reduce harmonics?
what is servo motor and how it works?
What is transister define the transister ammiter ,base, colector.
there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit
what is the efficiency of thyristor
How to know the following data of synchronous generator 1. D-Axis Unsaturated Reactance 2. D-Axis Unsaturated Transient Reactance 3. D-Axis Unsaturated Sub - Transient Reactance
How can we calculate strength of copper hich is supplying electric power to heater and in it hold the heater also and what r all types of forces which is acting on it...
In case of generator when we consume more power produces by it why load on generator increase and starts sound more. and how it is adjusted..