what is buchholz relay?what is it used for?
Answer Posted / sennapparajan
its a relay used for transformer protection.the of
buchholz relay locateed in oil tank bet ween main tank and
conservator tank. due to transformer winding heat.. bubbles
will be formed. those bobbles wil act the relay...first
signal from relay is alaram..and scound will trip the
circuit.
Is This Answer Correct ? | 45 Yes | 10 No |
Post New Answer View All Answers
what are the maximum available current, voltage ratings and switching speeds of the power electronic devices thyristor, power mosfet, igbt, and mct?
What is nyquist contour?
How to calculate earth wire load by formula
Sir, My doubt on cable sizing calculation, Load:74 KW calculated cable 1 run 50mm2. Now client asking us to reduce cable size by increasing runs. Sir, My question now when my mind strikes with 2 options 1) Divide load 74/2 = 36 and calculate cable for 36+36 making it 2 runs or 2) Simply i can divide 50mm2 /2 ie. 2 runs of 25mm2 Please suggest me sir
What is the Surge suppresor? Why using in a UDB's and How it works?
How to do maintenance of transformer feeder.
WHAT IS IEC? & WHAT IS BENEFIT TO PRODUCT FROM IEC?
sir vizag steel ka junior trainee ka paper kitne number ka ayega
Why have to use copper cable for local isolator to motor ?
What is the difference between AC and DC injection methods for rotor earth fault protection
Is a 300w induction motor used in a food processor as powerful as a 1000w DC motor.
What is the minimum value of hfe for the oscillations in transistorized rc phase shift oscillator?
Dear sir, By which formula u can calculate for a particular kv line there is a range of mw.
Why generation voltage in thermal power plant is between 11kv to 33kv?
Define steady state error.