Generally In transformer Tap Changer on HT side, but I have
seen in 66KV side in 220/66 KV, 100 MVA, Areva make
transformer. Why ?
- 7 Answers
- 9471 Views
- I also Faced
- E-Mail Answers
Answer Posted / kesaavan
Both sides are ht (py and sy).thats why they are fix
tapchanger in sy side.
| Is This Answer Correct ? | 1 Yes | 12 No |
Post New Answer View All Answers
Why is a plain induction motor unsuitable for wide speed control?
what is the control circuit for operating the clean room air shower
When we use air circuit breaker, it has O/L protection ,time delay SC protection, Instataneous SC protection & ground fault protection. They all have some setting range. But what is the suitable/allowable setting for the above protection which will be safe for the equipment? For example-O/L protection setting have a range of (0.4,0.45,0.5,0.55,0.6,0.65,0.7,0.8,0.9,1.0)xIn Time delay SC protection have a range of (1.25,1.5,2,3,4,6,8,10,12)xIn Time delay setting is 0.02,0.1,0.2,0.3,0.4 Instataneous setting is fixed to 20xIn Gound fault setting is given 100A,300A,600A,900A,1200A This setting are for 2500A ACB. So what will be the basic allowable setting for the above protection? is there any formulae to calculate this<
What is the physical significance of phase.. i.e. what is exactly the meaning in layman's language.. 1 phase, 3 phase etc ???
Inverter. converter. Ups.MCB.solar.alternators. motors.
how calculate the electrical load for industry and office
plz send me the placement interview question and answers of whizchip(technical and apttitude)..i have an interview in next.
What is grid collapse? what is the reason for it?
I NEED RRB SYLABUS FOR JE ELECTRICAL ,PLEASE SEND TO MY E- MAIL ID joo28_eee@yahoo.co.in
how to calculate the tarriff for an industry whose kva demand is 10 mva
who many types of fire explane with exmple
What is sink and source?
Salient pole alternator is more stable, why?
in ring main system we use the isolater b/w transfer bus and main bus if we r not use isolatar than wat will be the effect in our sys.
at what rate the micro controller increment its timer....is it 1micro seconds or 1/(12*10^6) seconds
