what you mean swtchgear(electrical)
How to conduct Magnetic Balance Test, Measurement of Excitation Current (both on HV- and LV-side) and vector group on a 1000 KVA distribution transformer. There is a neutral on HV side.
which types of tests are required after commissioning of 6.6 kva tranformer?
What is the formula to calculate the rating of a three phase trnasformer
in HT service 3ph 4 wire service Y-phase voltage shows zero . whether it is meter fault? or what be the reason ? if y-ph voltage zero ,can current is recorded? reasons for failure?
what types of fault occurred in transmission line ? which protection function senses the fault?
What is advantages of ungrounded neutral?
In case of salient pole alternator when number of poles are 4 or more than 4 it helps the flux wave to be sinusoid as air gap length is increased from center to tip , but if the number of poles are 2 how does the flux wave is sinusoidal?
what is significance of B-H curve? how it differs form ordinary transformers to Amorphous Transformer?
how to calculate short ckt current of trafo. ex.3-ph 3MVA trfo. 11/440, impdence voltage=7.25%
What are the functions of different Parts of Alternator?
what is the frequency of direct current(dc)?
12 Answers Cognizant, University,
what are the advantage of UG cables over the over head lines