Is it mandatory statutory requirement of transformer oil
filtration annualy despite oil is withstanding required
dieelectrical strenth and all others parameters

Answer Posted / yokesh

at TNEB standards 40KV @1 min its a with stands the oil in
good condition. gap between two poles is2.5mm.

Is This Answer Correct ?    2 Yes 5 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

In which of the following case, the rotating magnetic field is reversed? A regenerative breaking B plugging C dynamic breaking D forward motoring

1504


What is the tipical Online UPS input voltage for 20 KVA load ( 3 Phase or 1 Phase )? Why ? Explain it...?

2189


how much GROUND & NEUTRAL VOLT maintain in data center.

1532


defination of lines

1534


hai now i am working as a electrical design engineer in construction field can i get a job in oil and gass field or power plant project as a electrical design engineer?

1451






A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N

2118


what is Anti-pumping?

1493


we need a ntpc previous papers

1443


ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?

1508


We are designer please help me calculate the size of 11kv cables from step up transformer to M.V panel, total load is 5 mega watt distance 900 feet (used aluminum type cables) please provided formula for calculate the cable with example.

1204


What are the necessary components of the feedback control system?

721


A cable with concentric PE conductor must be used with frequency converter circuits what does its means.?

1114


Electromagnetic torque developed by the motor is compared to shaft torque. A less B same C depends on motor design D more

1551


Either It Possible a dc Motor to Run On Ac Drive [ Ex : ACS 800 , Yaskawa F7 ] If it is Possible How Pls Inform Me dinesh_elect_eng@yahoo.com

1549


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.

2890