we have 400kv/6.6kv transformer ,it has total 9 taps on HV
side with normal tap on tap no 5.when we took the ratio
test we observed that ratio was decreasing from tap 1 to
tap 5 and was found increasing from tap 5 to tap 9.What is
the reason?if anyone have related document then please send
me on the email id ankushbahale@gmail.com......plz plz
- 1 Answers
- 3222 Views
- I also Faced
- E-Mail Answers
Answer Posted / k.prakashchandra
Increasing from tap 9 to tap 5 ?
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
what happens in the short circuited secondary transformer,if the resistance of the short circuit is increased gradually?
How to know vacuum in vacuum cylinder of breaker in working condition
List advantges of active filter over passive filter?
How to configure the drives in PLC, through Profibus commnication. And to how to address it?
A 7 storey building has a floor area of 35,000sq.ft on each storey. On the ground floor 11KV electrical sub-station is to be erected. A load of 3kw for every 400sq.ft (p.f is 0.8) is proposed for each floor. fire pump 7.5hp, water pump 5hp, lift 2 nos, each 10hp and 20shop load of each shop is 5kw. calculate a. load each floor b. total load of building c. L.T feeders for aech floor and from transformer to main. d. distribution diagram e. capacity of sub-station/capacitor bank f. line diagram
if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer
What is star-delta transformer?
66kv under ground cable how to layaing in ground any special case two ckt r runing
234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,
TCS IS IT COMPANY THEN WHY DO THEY NEED ELECTRICAL &ELECTRONICS ENGINEERS?
bsnl tta exam question
What is difference between slip rings and carbon burushes?
In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?
How can we calculate the efficiency of a Running (On-Load) Motor ? What parameters are required and what is the method ?
What is the rating factor for copper cable ( Specific value according to the type of laying ) & the voltage drop?
