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why do we use LPF wattmeter not UPF in the experiment of no load and blocked rotor test of 3phase slipring induction motor?
3 20621what are the safety in transformer,diesel generator,ups, chiller plant,h.t. , L.t. , sewage treatment plant(stp),water treatment plant(wtp), fire. plz ans. me in detail if you know any of the mention above. i urgently need
2 4987when the flux enters into saturation mode then what will be the secondary voltage of the normal t/f?....high or low ? explain ...how?
1 2957we are having 15kw and 3kw motor both can run in same time , instead of using copper we are using ug aluminium cable , 35 sq.mm is suitable for its current carrying capacity..?
1 1816Sir, Please tell me that how I will calculate the efficiency of rectifier. Because input is ac and output is dc. Is it right to put two unlike signal together.
2 3226Why we are always only used 11 kv. , 22 kv ,33kv in transmission line? Why not use 25, 55 ,65 kv ?
3 5617What is the effect of atmospheric pressure & Temp; on efficiency of motor? Why NGR(Neutral Grounding Resistor) is used in 132/11 KV Transformer & how? What is the use of Auto T/F in Grid Station?
1 1972what is B , c & d curves in MCB characteristics i e Full Form of B , C & D . sir please give me answer
NCC,
1 3825Post New Electrical Engineering Questions
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
Anybody tell me about modbus hex address of l&t trivector meter er300p??I want to read voltage,current,kwh etc via rs485...If anybody have a manual then send on my mail..Brijeshmodi18@gmail.Com
what is thermal resistance of PVC Cable.
can you plz send l&t aptitude questions if available its urgent plz plz plz
what are the values of VRY,VYB,VBR,Vry,Vyb,Vbr,Vrn,Vyn,Vbn for Magenetic balance test of 100 KVA and 63 KVA Distribution transformer
How can we calculate the motor frame sizes?
kindly send me 11KV MV motor differential protection procedure by primary injection method.
Can you used moeller lzm1 mccb in a dc system with 125vdc and 20ka short circuit current , beside is it have 24 or 48 volt shunt ? Beside how long current can through from An MCB shunt contacts? (like Z7-AS 24 V)?
Draw a SLD of DG distribution up to main LT panel?
please give some hindalco placement papers for written exam
Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.
Draw a block diagramof Three UPS systems connected in Parallel mode?
pls someone send me sample question papers along with the key.thanks in advance
i karmveer bharti persuing b.tech . plz send me syllabus and name of reference books. for preparation of section eng.
can i able to get bhel previous exam question paper?
