1.what is difference between ATS & STS main use. 2.what is difference between ACB& VCB With symobles,and main partes, manimum range. 3.How many types of relays and main function.
can I connect 25KvA stepdown transformer(RYB-440V,UVW-240V) to the output of 15KvA,3-phase online UPS(440V phase to phase)please brief.1 4177
1.Why use in ups in software's,reason,and pls explain. 2.what is the isolation transformer and main use it's functioning and partes.5 4688
how to calculate load if i have three phase & single phase connection from power transformer( in term of kw & kva).can i take single phase load/3 for total kw calculation1 4848
What are all the problems occured while ac generator running in leading power factor at full load condition?1 1267
Explain in brief description about the operation of DG sets.1288
please anybody help me to find out the BHEL trainee Exam previous year questions papers . if u ve pls. send it to email@example.com
In constant power region of 3-phase IM torque-speed characteristics, if frequency increases flux A does not alter B decreases C increases D none of above
What is real time power factor control panel(RTPFC)?
Describe Non I.S. Earth System and why is it used?
DG SET BLOCK DIGRAM
How to measure power in 2 or 4 or n phase circuit? Please give me a formula.
explain the process of commutation in a dc machine. Explain what are inter-poles and why they are required in a dc machine.
what is the difference between b c d curves on mcb
What are diffrent type of road taxes?
Which type of air compressor is used now a days in the market. Keeping in mind of energy efficiency and maintenance points. Relevant documents may also be sent on mentioned email ids.
Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?
What are the special cables required for explosion proof wiring?
what is Fan Control Cubicle
how to calculate the lightning arrester conductor @ no of earth pits required
Difference between HRG and NGR. Are they both the same thing
WHAT IS MEANT BY INSULATION CLEARANCE IN VACCUM?