Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

What are the different protection systems used to protect
the transformer internally and externally?

Answer Posted / venkat iyer

1) Differential Protection
2) Winding Temp
3) oil Temp
4) Under Voltage and over voltage
5) Under Frequncy Protection for Higher Range of Power
Transformers
6) Bucholz Relay Protection for oil cooled transformers (to
detect incipient fault)
7) Pressure reilef Valve for oil cooled transformers
8) Restricted Earth Fault Protection
9) Overload, short circuit and earth fault protection
10) Protection against fire in case of oil cooled
transformers
11) directional protection

Is This Answer Correct ?    12 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the need of generator relay panel

2042


Why frame of the motor is specified?. If we mention KW and voltage level,automatically frame is decided or separately frame is compulsory to mention?.

1699


Hi, My plant daily consumption is calculated as 3.8MWH but my supplier has sanctioned an power of 2.6MW per day. how can i equal or distinguish this two factors

1862


Metal covered multiconductor cables shall employ a marker tape located within the cable running for its complete length in lieu of cable surface marking. Is it true or false?

2219


On what basis the the size of Lightning arrester for buildings are selected ?

1613


Minimum IR value of 1.1 kv grade 3.5c (300, 240,185,150,120,95,70,50,35,25) sqmm Aluminium XLPE cable and 4c (16, 10,6 & 4) sqmm cu arm cable between RY,YB,BR,RN,YN,BN,RE,YE,BE & NE.

3314


High speed earth switch operation with diagram

2432


Apparent power is expressed as V * I(Conjugate). Why not in V * I ?

3868


Two electric lamps 40 W, 220 V each are connected in series across 220 V. What is the power consumed by the connection?

1369


what is a reactive power? what is the relation with power factor?

2132


what happens to the supply voltage if there is any change in frequency?

6360


ACB & VCB how do work and saftes and how can maintenance in this and parts name show with picture

2061


What is power distribution criteria for converting single phase unbalanced residential load to 3 phase star connected balance system. Does total KW converted to 3 Phase. Means Divided by root 3.

2281


sir, iam a electrical engg graduate and i want to go in automation sector and for this i have decided to do industrial training for this,plz suggest me some good institute for the same in delhi,ncr. my degree percentage is 58%, can i get job after doing training, plz help....

1994


How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

2130