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why capacitance effect is predominant in underground cable transmission and inductance effect is predominant in over head line transmission?
can i connect REF and Differencial relay in 1 CT core for transformer protection?
What is electrical diversity factor in electrical installations?
Diagram and details of polarity test for Current Transformer 11kv 400/200/100/1A
howmany electrician should maintain for a 1000 kva used plant... in kerala..
List the characteristics of filter?
Define what is the function of anti-pumping in circuit breaker?
I have an existing old MCCB. ABB Model SACE, the rating are: Ue = 660 volts, Iu =1250 Amps, 3 poles, Ith (max) =800 amps at 45 deg C. I need a circuit breaker for my 3 phase motors, 380 volts 60 hz. the supplier required the minimum ampacity of the breaker to be 911 amps. can i use this breaker with rating of Iu =1250 amps but Ith = 800amps maximum?
Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?
Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?
what are the application of over current relay?
how will we calculate the copper wire load..
Explain the working of any one cutting machine
What is inductance?
what is the mechanical safety of DG ?
