Is it posssible to obtain the higher speed(3000rpm) for adiferentiallly cascaded induction motors(with 8 and 6 poles)

3 Answers  

---

1)how many types of earth? 2)how many types of megger and how to select that range? how much time taken for megger calibration( we r using megger)

1 Answers  

---

how starting current in motor is reduced in case of motor in star connection.

4 Answers   Adhunik,

---

what questions will be asked for 11/33KV licence interview APSEB hyderabad. Can any one share question and answers.

0 Answers  

---

What is the minimum IR value of HT/ LT cable? Pls post separetely!!!!!

0 Answers   Bhel,

---

What will happen if mains neutral and generator neutral shorted?

2 Answers   Betts, Suzlon,

---

Name of the relay of low lub oil presuure in DG sets

0 Answers   Lineage, Sterling,

---

suppose generator rating is 50 kw,load is 25 kw,hw much d generator ll generate?what about d remainin power?

2 Answers   NHPC,

---

if a damaged 500kva transformer with %impedance 2.6 is replaced by two transformers of 250Kva with different % impedance will they be able to catter the load. what will be the ratio of load on the two transformers if the % impedance is in the ratio 1:2

2 Answers   Siemens,

---

I have carried out wiring for lighting in a shed in Industrial area which contains Metal halide lamps & have balanced in 3ph.Now when we put all the lines on in the daytime the current taken at 3phases at MCB comes to be equal i.e.28,29,28Amps respectively but in the night time i.e between 7p.m.to 11p.m. at the same MCb the current is 52,59,62Amp, though I have fit 63A MCB it is tripping in the above period.What may be the reason.? Note: This industry is located in industrial area where majority of steel ingot manufacturing plants are there. Whether this may be due to harmonic? what should I do to overcome above problem.pl suggest urgently.

4 Answers  

---

mccb service sittings be done?

0 Answers  

---

if 2500 KVA TRANSFORMER CAPACITY.33KV INCOMING HOW ARE AMPEAR PRIMERY SAID

3 Answers   Cipla,

---