what type of protection and safety req. in the 220kv
substaion and area around the substation
Answers were Sorted based on User's Feedback
Protection:-
1)Distance prot. relay
2)local breaker back up LBB relay
3)differential prot. relay
4)pole discripency relay
5)trip ckt supervision of sf6 gas relay
6)air pressure monitoring relay
Safety precautions:-
1)remove all vegetation inside yard
2)proper earhing to fencing & gate
3)proper watering & checking of earth pits
4)periodical cleaning of all C.T.,P.T.,etc insulators
5)while opening or closing off load isolators always wears
H.T. gloves
6)while closing isolator ensure that all 3 poles fixed
properly
7)monitoring the leakage current of lightening arrestors
Is This Answer Correct ? | 9 Yes | 0 No |
Answer / raman jain
Always wear industrial safety halmet.
Don't raise hands.
don't use umbrella in rainy days.
always go with one collouge.
don't walk on tranches.
never operate isolators with out wearing hand gloves.
and rest is GOD.
Is This Answer Correct ? | 10 Yes | 6 No |
what is the usage of microcontroller in the panel board?
respected sir, sir recentely i have applied for chennai and tiruvananthapur section enggineer and juniour engg in electrical dept. but still i donot get how i have to syart my preparation and also t the same time i donot know exactly what they r going to give in the examinations i mean which sections they r going to give i donot know exactly, can u prefer whichh books i have to follow and model papers or both boards
What is the resistance to be connected for supplying the load of 20mV,1kohm from 20mV supply using rectifier.
if 3400kw slipring motor rotor shorting done and motor started on mv drive ,what will be the rotor shoring current
The earth pin of some three pin plugs are seen split. why?
In short transmission line,why does the receiving end voltage is less than sending end voltage?
what is the soft starter principle? how is connection diagram? what is the procedure for checking the connection?
WHAT IS IM (INDEX OF MOUNTING )IN MOTORS
TELL ME WHAT IS INDUCTOR AND CAPACITOR WHAT IS IT BASIC OPERATION ANDFUNCTION?
how to avoid electrical shock how capacitor store charges wat are the speed control of induction motors state faradays law flemings left hand rule what is rotary converter wat is transmission and distribution what are the sources of energy abrevation of acb,vcb,sf6,igbt what is output equation of transformer which test copper iron and iron loss are calculated what is eddy current draw a single line diagram (10 marks) draw direct online starter(10 marks)
How to calculate the Short Circuit Impedance in Transformer?
which fault current is maximum: 3 phase short circuit, LG, LL or LLG?? why?? in one of the problems that i have solved, 3 phase short circuit current on an unloaded generator came out to be less than the LG fault current. can anybody please explain why.