Answer Posted / shri..

Thanks for repply


But why not using + ve 48 volt????

Operation of isolators.

1830

---

What is PEC??Applications........

1912

---

why three phase capacitor takes unbalanced current in capacitor bank?

1431

---

what is formula for calculate thermal overload in new numiricalrelay( not in bimetal relay)?

2257

---

How does "OUT OF STEP" relay ,for Synchronous motor protection, work?

4282

---

HOW TO CALCULATE THE REGULATION OF 100 AND 25 KVA TRANSFORMER

1888

---

in wind mill use 2100 kw asychronous generator ( induction generator ) rotor voltage : 3300,stator voltage : 690, rpm : 1511 type : MRL063E04 ' we check rotor resistance magger value found following. R-EARTH - 00 M.OHM,Y-EARTH-34 M.OHM,B-EARTH- 33M.OHM R-Y: 31 M.OHM, Y-B: 00 M.OHM,B-R :33 M.OHM HOW CAN I TAKE DECISION?pls ans. quickly

2243

---

how open delta PT works & what is its construction?

2190

---

How to decide no. of Step and Kvar for APFC Panel 40 kvar MD: 33.12 KVA Avg pf : 0.8540

1055

---

1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?

2102

---

How to protect a Dosing pumps/any sensitive equipment (single phase) from surge protection inside a food factory.

1669

---

- two pumps must work with them at the same time but if the first pump start the second pump  must delayed for some time to start  also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it

2685

---

300m long and 30kw inductive loade 3phase supply how many size cable required

1377

---

what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?

2492

---

hi all i like to know vat is power plot in control systems also i want to know abt latest trends in electrical & electronics

1892

---