What is the formula for calculating Transformer Losses &
Efficiency. I want to compare the Transformer efficiency at
different loading condition.
Answer Posted / ranag
repaired a 200 kva three phase distribution transformer his stander iron losses is 495 & copper losses is 3410 but the measured iron losses is 692 what formula is to know de-rated in kva ? pl answer with expal
| Is This Answer Correct ? | 15 Yes | 8 No |
Post New Answer View All Answers
What is the exact minimum vale of voltage between an earth and netural which can damage or can do malfunction of the electronic equipments ? If this is mentioned in any book, pl.give reference.
What will happen if i used 11KV earth ht kit to 11 KV / 11 KV cable termination?
how to avoid electrical shock how capacitor store charges wat are the speed control of induction motors state faradays law flemings left hand rule what is rotary converter wat is transmission and distribution what are the sources of energy abrevation of acb,vcb,sf6,igbt what is output equation of transformer which test copper iron and iron loss are calculated what is eddy current draw a single line diagram (10 marks) draw direct online starter(10 marks)
I am shobana from Chennai. I am having my personal interview on 19th Dec at Chennai.kindly mail me the questions to mail id shobana.shanthi@gmail.com
How to calculate the time setting for star connection in star delta starter? For example 10KW 3PH Induction motor.
Draw the vector diagramme for Asynchronous Induction Generator at noload,half load and fullload.
what is the difference between gas group b and gas group c electrical equipment construction wise?
In what condition the HT fuse breakes?
how give earthing conection to household equipment?
Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.
Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.
1) why a dg set shows variation of power factor and load when synchronised with other dgs? 2)Why the load sharing is not become equal in all dgs?. 3)When a dg set will not run on auto start?
Why is the starting current high in dc motor?
After synchronization with grid what is the demand value QKVAR and how we will maintain that?
what is the current setting for different relay protection for transformer .