Answer / victor

MINERAL OIL

Answer / shariff

Synthetic Mineral Oil

Answer / sruthi

pyroclor oil

Answer / sai krishna

ASKEROL,PYROCLOR OIL.

Answer / bhagya

the name of the t/f oil is ASKEROL

Answer / muhammad.amin

IEC-296

Answer / sithi

oscaril oil

Answer / razib

Pyranol

Answer / akhilesh kumar

its name Die electric strenth oil

Answer / mandeep singh

its "LAPTHANIC BASE" oil fot HT transformers and "PERAFFENIC BASE" oil for LT transformers

what are effects of harmonics in the three phase a.c power system ?

2 Answers   AIIMS,

I am designing new project sub station with 220 kV / 11 kV, 40 MVA capacity. This project have many recifier sets, which can generate 3rd harmonics. Now I have to select vector group of This transformer. To minimise 3rd harmonics, what care should I take in selection of Transformer Vecrtor group? If it is Y-Y with open Delta tertiary then what should be the rating & voltage of Tertiary Winding?

0 Answers  

1.how many earth pits are required for 1000 k.w plant include substion , transformer ? 2. how many earth pits are required for 500kva generator.what is formula to calcute?

0 Answers  

what is meant by form factor and hoe related with the HT transmission voltage

2 Answers  

Comparative difference between 33Kv & 66KV for transmitting the load of 7 MW at a distance of 34 Km.

6 Answers   NHPC,

What is the theoretical capacity of a channel in each of the following cases? i) Bandwidth: 20KHz SNR(dB) =40 ii) Bandwidth: 200KHz SNR(dB) =06 iii) Bandwidth: 1MHz SNR(dB) =20

0 Answers   UOG,

what is ELCB?

10 Answers   Wipro,

i have ht transformer of 142 kva with air cooled facility,having secondary voltage 7850volt, and secondary connected full way bridge rectifier .i faced the problem repeatedly that transformer one coil and rectifier diode of two phase was burnt two times. i checked all the secondary ckt. no any short ckt found,then what will be the cause side

2 Answers   Modern Terry Towels,

what is the differance between normal bybass & maintenance bybass in UPS?

1 Answers  

Why does the radius of armature is less than the radius of pole shoe?

0 Answers   ABB,

what is the difference between AC choke (inductor) and DC choke (inductor), working and design point of view?

2 Answers   Electrotherm,

what is Use of Stones/Gravel in electrical Switch Yard??

4 Answers   Sanghi,