What is converter transformer? Diff b/w converter transformer and distribution transformer? why we use converter transformer in place of giving supply to drives?1 3155
Why the vector group of excitation transformer in static excitation system is Dy5?2 7392
In a 3 pin plug holder, what is the purpose of diameter of ground pin is larger than phase and nutral pin9 9204
How to calculate the breaking capacity(like 15ka,20ka) of Circuit breaker (MCB,MCCB,ACB)9 68717
what s a servo motor? how to control the servo motor? and its application, purpose of using?2 4181
Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.1258
what is alternater?8 4791
What is core balancing in Power Transformer. What is the affect of an unbalabce core.1 3088
Equal resistance of 100ohm each are connected to the arms of whestons bridge, which is supplied by 2v battery. The galvanometer can sense a current low as 1microAmp. What is the smallest resistance that can be measered.
what is the function of rccb how it diffrentiate between elcb1 2888
What is an Antipumping relay ?4 5290
how to calculate the power factor when instantaneous voltage and current has harmonics in it ?
What are the section criteria for cables. Now everywhere XLPE power cable is used or PVC is also used?.
I AM GOING TO ATTEND APTRANSCO ON 26TH OCT 08.PLEASE SEND ME ANY MATERIAL OR TYPE OF QUESTIONS OR EXP QUESTIONS.
Name the test signals used in control system
What is the previous name of Cox's Bazar
How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.
High voltage test procedure of in swgr board. why should measure millivolt drop on testing time?
Explain Need of a starter in a dc motor.? Also explain any two starting and speed control method of dc motor?
the winding of Generator and Motor is star or in delta ? and why
What is resistance of 50meters, 16sq.mm, single core copper cable?
what is the transmission loss for electrical supply? specifically a large shopping complex where the grid is half KM away, what will the % of transmission loss? is there any transmission loss for captive unit generation for above set? thanks
What are the advantages of thermal power plant?
can any tell me why slope 40% and 80% is calculated in differential protection?
Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?
Y phase plates are used in transmission line??? what is there need???