Answer / poovin

Which is classified following category,

Method of cooling - AFAN, AFON, OFAN, OFON, Dry type

Method of Construction - Step up, Step down transformer

Method of Usage - Power Transformer, Distribution Transformer

Answer / manasa ranjan moharana

transformers are basically 2 types,
1. step up transformer
2. step down transformer

Answer / karan

step up transformer & step down transformer

Answer / bala

Current Transformer and Potential transformer.

Answer / chandramohan

distributio,power,auto,potential,current,control,isolation

Answer / c.l.prasanna

step up transformers and step down transformers

Answer / dinesh

two types of transformer's
distribution T/F, power T/F

DRY type T/F, oil TYPE T/F

Answer / natha

power and distribution transformers, furnace transformers,earthing transformers,rectifier transformers, dry type transformers, reactor transformers,booster,isolation and auto.ct pt are protective relaying devices working similar to these.(induction)

What is maximum AC & DC transmission voltage in India? and where?

12 Answers  

IN THE CASE OF AN ELCB, IF THERE IS ANY UNSTABILITY BETWEEN PHASE AND NEUTRAL IT MAY TRIP. BUT MY QUESTION IS WHEN A LOAD IS CONNECTED IN BETWEEN P AND N, THE LOAD CONSUMES SOME POWER AND THERE IS A DIFFERENCE IN NEUTRAL WITH RESPECT TO THE PHASE. THUS ACCORDING TO ME, THE ELCB WILL AUTOMATICALLY OPERATES WHEN EVER THE LOAD CONSUMES-- I KNOW IT IS WRONG. BUT THE SOLUTION IS?????????

1 Answers   KSEB,

Which starter can be used for 3 phase verriable speed (2 stator wdg) induction motor ?

2 Answers  

Why transformer used in UPS??

0 Answers   JLL,

The electrical energy required to raise the tempreture of a given amount water is 200 kwh. If the heat losses are 20%, the energy required is?

0 Answers  

What is VCB? Where it is installed?

11 Answers   Hyundai,

what r the types of detectors? state the location these detectors?

3 Answers  

what is the means of dedicate earthing?

2 Answers  

how much capacity(rating) of generator required to operate a load of 100kv.

6 Answers   DSC,

How to find knee point voltage in current transformer?

2 Answers   TCS,

how can calculate static 3phase 4wire CT & PT operated energy meter constant when calibrating using refference meter suppose we have 11kv/110v PT and 30/5A CT, the meter constant is 160imp/kwh, where meter is showing MW energy? give me solution which constant i feed in my refference meter for calibration of energy meter?

3 Answers  

how to calculate fuse rating for a motor

1 Answers   JSW,