Answer / sukhvinder

Transfrmer has
1. routine tests
2. type test
3. special test

further type tests are
1. IR OF WINDINGS
2. POLARITY
3. VOL. RATIO
4. TEMP RISE TEST
5 DIELECTRIC LOSS

Answer / hitesh tiwari

1. IR VALUE TEST
2. MAGNETIC BALANCE TEST
3. MAGNETISING CURRENT TEST
4. VECTOR GROUP TEST
5. WINDING RESISTANCE TEST
6. OPEN CKT TEST
7. SHORT CKT TEST
8. TAN DELTA TEST
9. XMER OIL BDV TEST

Answer / venkatesan

1.insulation resistance test
2.ratio test
3.short circuit test
4.open circuit test
5.back to back test
6.oil testing

Answer / manoj patel

1) Ratio & tap continuity test
2) megger test
3) Magnetic balance test
4) vector group test
5) Inrush current mesurement test
6) Xmer oil BDV test

Answer / j.kesavan

dielectricbreakdowntest
acidneutralizationtest
sedimenttest
interfacial tensiontest
parts per million moisture test
colour and visual partical test
dissolved gas test

Answer / m.ravi

three types
1. o.c test
2. s.c test
3. back to back test

Answer / ksn murthy ,j.e,electrical

IR Values, Change of Siclikazal, any oil leakages, checking
of HT Lt side Insulator washers, Both Ht Side and lt side
cable terminations. Tx. Body Earth and as well Neutral earth
this is comes to transformer testing this is as per my
knowledge if any mistakes please excuse me.

Answer / kumar.n

One more test REF test

how to calculate the starting current of a motor? gopal

3 Answers   JIPT,

while selecting transformers for 33 kva feeder normally we ask for 33/433 kv why not 33/415

1 Answers  

what is the cause of voltage dipp or swell in the transmission lines?

0 Answers  

What is fault level? How can be calculate the fault level?

1 Answers  

what are the differences between 'exhaust fan', 'heavy-duty exhaust fan' & 'super heavy duty exhaust fan'. what are their power ratings ?

0 Answers   CG,

what happen if field of dc shunt motor opens? what is function of putting res. in parallel to one phase of 3 phase IM? the power supplied by 5A source in circuit is given by------Watt.

0 Answers  

What is the difference between automatic & semi-automatic star-delta starters?

3 Answers  

what is proper capacitor placement? How to evaluate capacitor size?

0 Answers   CPCL,

what is the speed of the darkness?

3 Answers   Wipro,

why link is provided in neutral of an ac circuit and fuse in phase of ac circuit?

4 Answers  

Why HT motors are connected in star.

7 Answers   GIL,

why is the power generator connected as star earthed or star earthed through reactance and what its features ?

0 Answers