What are the different protection systems used to protect
the transformer internally and externally?
Answer Posted / rajendran.m
a.Buzhalls type
b.Breather type.
| Is This Answer Correct ? | 21 Yes | 13 No |
Post New Answer View All Answers
why does connected a indutor with mnsformeretering core of current transformer ?
1hp= how much rpm
Initially, when the input is not equal to the output — what type of response is this?
How out of step protection relay works?
how do prepare ongc exam.how is it question model.i am electrical. which part covering in electrical.tell me
The shot circuit in any winding of transformer result? Explain
how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.
Can Anyone Answer anyone of these ? Q1) why direct SOLUTION of Load Flow Studies in Not Possile ? Q2)Why majority of Buses in power system are load buses Q3)Why one of the buses in Power system is taken as reference bus (slack or swing) Bus ? Q4)Bus Admittance Matrix is a sparce (means it contains some zero elements ) matrix , give reason
2 v/500amp/hr to 1.80vpc at 20 degree celsious 2v/5ooamp/hr to 1.75 vpc at 77degree farren .this is the capacity of a battery .what is the meaning of this . can i get a detailed explenation
What are test values for an 63 KVA and 100 Kva Distribution Transformers for the following typical tests 1)Magnetic balance 2)Short circuit test 3)Open Circuit test 4)Vector group confirmation test .please give me the standard values for all the above tests.
Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB
We are planning to synchronized DG's with our captive plant in the event of black start of plant, but before sync we checked voltage of DG with our plant voltage and it varies from 5 V to 450 V. So in this condition how we can sync DG with plant ?
The 3 phase 400 hp 440 volt slip ring induction motor do not take one phase amps why ? The motor is running good condition
WHAT IS THE WINDING PROCEDURE OF ELECTRICAL MOTOR
Why we use mho Relay in long transmission line?