What is the avergae difference between OTI and WTI for EHV
Power transformer?
- 7 Answers
- 31641 Views
- I also Faced
- E-Mail Answers
Answer Posted / k.prakashchandra
The above answer given by me is not true in all cases.Those
were the readings recorded on 220/110 KV auto
transformer.The WT is higher than OT as WTI is close to the
source of heat.The difference between WT and OT depends on
cooling and oil circulation.More the difference worse the
cooling efficiency.The difference is about 20 %(220 KV) to
40% (110KV) of temperature rise in WT ,as observed in case
of the above Tr.But WT of tertiary was found to be less than
the OT
| Is This Answer Correct ? | 4 Yes | 5 No |
Post New Answer View All Answers
what is transient enclosure vltage , very fast transients, very fast transient over voltages
what is the calculation involved to design the heater to heat 10KL of water in temperature control unit?
FOR 16/20 MVA 132/33 KV ONAN/ONAF TYPE TRANSFORMER IT IS DESIGNED FOR 16 MVA WITH ONAN CONDITION.IT BECOMES 20 MVA UNDER ONAF CONDITION.LOAD LOSS IS GUARANTEED FOR 65KW AT 20 MVA AND % IMPEDANCE 13.75. PLEASE TELL US AT WHAT LOAD LOSS AND % IMPEDANCE IT SHOULD BE DESIGNED FOR 16 MVA AND WHAT WILL BE ITS EFFICIENCY AT 20 MVA?
What are the necessary components of the feedback control system?
What is a commutator?
. What is Electrical Life & Mechanical Life of Circuit Breaker? 2. What is Electrial Life & Mechanical Life of Magnetic Contactor? 3. What is RCD, RCCB & RCBO? 4. What is the Between defferance of RCD, RCCB & RCBO?
I want to design a heating coil of 80/20 nicrome for 3.5KW please give me the calculations choosing for physical dimensions assume coil voltage will be 110V AC assume necessary conditions
Fantio of tranformer
how we can decide that what value of ht line will come to any commercial building? (ans except According to the building load)
my UPS suddenly goes off and all panel light also blow off.This happens even main electric supply is not interrupted.After some time it automatically starts functioning normally.Batteries are new.
I have 2 KW electric water heater.I am gonna use it in controlling water temp.so I needed to increase or decrease the heating capacity.is there any electrical-electronic circuit for varying the resistance & so current?
please send the last 5 years {{{JUNIOR ENGINEER - ELECTICAL, ELECTRONICS RRB CHENNAI and secundrabad}}} TECHNICAL question papers TO MY EMAIL ID dinesh100701@gmail.com
A well system is when , no. of bus bar is less or more. Tell me the concept of it.
what is meant by residual over voltage & residual earth fault ?
WHAT IS MEANT BY INSULATION CLEARANCE IN VACCUM?
