why tan delta test conducted in electrical equipmenr
- 4 Answers
- 11546 Views
- I also Faced
- E-Mail Answers
Answer Posted / ashish barak
when insulation is perfect , there is only capacitive
current and angle between current and voltage is 90 degree.
as insulation degrades with time there is a flow of
resitive current also. the angle between capacitave and
resultant current(sum of resitive current and capacitive
current)is this "delta" angle.
as it keeps on increasing it indicates winding is
deterioating
| Is This Answer Correct ? | 26 Yes | 1 No |
Post New Answer View All Answers
What products have you designed which have entered high volume production?
why is a power transformer used only occasionally?it is used to step up at generating stations?and that needs to be done all day long !!!!!!!
WHat is the requirement of installing FAST ACTING EARTH SWITCH in GIS and how is that integrated with protection system. How and when does it operate?
How to detect voltage vector shifting in interconnection protection.
Starting Time of LT & HT Motor
I am inpecting a 10kVA UPS what tests should i do and should i observe?
What is A check, B check, C Check & D check for a diesel Generat
Operation of isolators.
Bimetal strip used in overload relay what is that,which types of material used for that & percentage.
how can we phase identification in a distribution line,how we recognise that which phase is coming for a house hold connection.help me............
Why Transformer Neutral having one earth pit ( more earth electrode resistance) whereas body have many earth pit ( less earth electrode resistance)?
what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?
What is touch potential and step potential?
How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.
Please define ohm’s law for a.c (alternating current)?
