Answer Posted / mageshwaran
it denotes the connection of primary & secondary winding of transformer, in which primary is delta connection and secondary is star connection with 30 degree phase displacement
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
A 15 kw squirrel cage motor having a maximum efficiency of 90% on a continuous full load has temperature rise of 42 degrees celcius after 30 min and 52 degrees celcius after 1 hr under the above operation conditions. a) calculate its final steady state temperature rise on continuous load and the heating time constatnt. b) if the motor is operated on a short load for 9 min estimate its temperature rise. c) calculate the maximum overload that can be applied on a short, 9 min rating so that the temperature rise is the same as the final steady state temperature rise on continuous load.
hi friend i am going too attend for hpcl in this month please help me by sending written test question papers i am in the stream of E.E.E
RESPECCTED SIR/MADAM- I AM PRERING FOR SECTION ENGINEER (ELECTRICAL) RRB CHANDIGARH PLEASE SEND ME SOME PREVIOUS YEAR QUESTION PAPER OR MODEL PAPER.MY EXAM IS ON (30- NOVEMBER 2008).I AM VERY THANKFUL TO YOU. FROM- HARENDRA SINGH YADAV
if any body have question paper of railway (section engineering),then plz send me .i will thank of him/her.
placement paper samples of mspl company
Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.
kindly send me 11KV MV motor differential protection procedure by primary injection method.
Please sent me some previous year question papers of BSNL-JTO telecom and RRB in ELectrical Engineering to varshashahi@yahoo.com
as a electrical student why should i hire you?
PLEASE ANYBODY HAVE ELECTRICAL CIRCUIT DIAGRAM FOR CHMER PULSE CD 60M SPARKING MACHINE.PLEASE MAIL ME SUPRIYAAYYAPPAN@YAHOO.CO.IN.
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
sir please send me previous year questions of jspl of electrical section through which i could prepare myself fpr the test.
Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.
What is the height of DA, DAL, DB, DC & DDE tower?
please send the IS strandard for electrical to sakthi_murugan86@yahoo.co.in
