i want to design tap changer for 15kv to 0.4kv steepdown transformer then how can i calculate tap number required





No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer



More Engineering Interview Questions

difference between gauges and comparator

0 Answers  


i need SCII placement papers

0 Answers   SCII,


why we use transformers?

0 Answers  


what is the work of commutator and brush in motor

0 Answers  


In an existing power plant (phase I) with step up transformers (3nos) with Ynd1 vector group to the 400KV bus bar,an extension power plant (phase II) with transformers (4nos) with Ynd11 vector group >. what are the consequences of such configuration ,please note that % impedance are also differ i.e. 15% & 10.5% the reason was that auxiliary supply interface is at different voltage levels i.e 400v & 6.6KV in phase i and phase II respectively .please advise ! Thank you !

1 Answers  






Corona occurs more in winter or rain?

1 Answers   UPPCL,


Question 98 - The Planck-Einstein relation connects the particulate photon energy E with its associated wave frequency f to produce E = hf. Let h to be the Planck constant. The frequency f, wavelength L and speed of light c are related by E = hc / L. With p denoting the linear momentum of a particle, the de Broglie wavelength L of the particle is given by L = h / p. (a) Find the equation of E as a function of p and c. (b) If E has a unit of electron-volt and f has a unit of 1 / second, then what is the unit of h?

1 Answers  


speed control by the variation of field flux result in 1- constant power drive 2-variable torque drive

0 Answers  


what's the defiance between T beam and inverted beam.

0 Answers  


can DOL used with slip ring motor?

0 Answers   NTPC,


Basic questions asked in HPCL(instrumentation) in refinery section

1 Answers   HPCL,


How does an Accumulator works?

0 Answers   Heavy Engineering Corporation Ltd HECL,





Categories