Answer Posted / rajendra
These capacitors are designed for protection of large
rotating machines such as motors & generators. At the time
of over voltage during electric storms produces surges to
electrical equipments connected to system. The voltage
stress between turns of multi turn coil sets a limitation
and surge voltage causes breakdown of turn to turn
insulation resulting in short circuited turns.
| Is This Answer Correct ? | 5 Yes | 4 No |
Post New Answer View All Answers
Explain what is rated speed?
What is the working principle of CFL & T5 tube light & 40W tube light with electronic ballast?
r we are using in gas turbine mark (5) frame (6) (made in india Bhel 1997) Ā
what is inverter and converter
State the factors, for the choice of electrical system for an aero turbine.
why we r not earthed Control cable of C.T. terminals
What is the difference between solid grounding and impedance grounding?
Draw transformer phasor diagram.(full load,no load)
What are the classifications of heating element?
Please clarify, 1. Is it required to lay two runs of GI wire along with Armoured LT cable if it is laid between one big mains (63Amps TPN SDF) to small main (32A TPN SDF) with proper glanding termination? 2. If the armoured cable with proper glanding is laid from DB to CNC machine, is it required to run two runs of body earthing to the Machine from DB? 3.If the armoured cable with proper glanding is laid from Substation to Hangar, distance is approx. 100 mtrs, is it required to do earthing at shop area though the primary termination at substation is earthed through gland.
how to calculate current and voltage in a same circuit?
ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?
How to find ampere on ht side for selection of cable size ???
what is the ATS .And how it works.
How does cost of generation from hydropower plant compare with other sources of electricity?