What is formula calculation size cable wire ?

444

we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?

670

critically criticize the application of ring main unit in power system

98

what efficiency at 70% loaded transformer

838

how can you calculate fault level ?

1156

When a single pase capacitor run motor- run on 230vac and Case(1)run with 8 Mfd 250 vac.capacitor , Case( 2) run with 8 Mfd 400vac capacitor. What is difference between both case regarding power ,efficiency etc?

883

hi all i like to know vat is power plot in control systems also i want to know abt latest trends in electrical & electronics

738

how does WTI work ?

734

Whether it is possible to measure energy at the input of rectifier transformer (12 pulse with very high odd harmonics)

702

1.why we are using blocks in withoutgaplightning arrester 2.why we ar using bushing in withoutgap lightning arrestor

658

what is the carona effects meaning in HT line transmmission system

628

is there any role of power factor with frequency variation? and how we can manage the frequency variation?

880

If short circuit ratio is high is it bad or good for a machine then tell the reason...

825

how to avoid electrical shock how capacitor store charges wat are the speed control of induction motors state faradays law flemings left hand rule what is rotary converter wat is transmission and distribution what are the sources of energy abrevation of acb,vcb,sf6,igbt what is output equation of transformer which test copper iron and iron loss are calculated what is eddy current draw a single line diagram (10 marks) draw direct online starter(10 marks)

733

Starting times for soft starter & power factor is thier any standard or datas available in manufactures list. Kindly suggest.

745