Answer Posted / karthik

it indicates the oil which is used in tranaformer is less
and is insufficient for the windings

when we design electrical schemes of 11/.415kv distribution..wen and were should we show the relays??what is the function of it?for example..we place EFR Relay CT between transformer neutral link and transformer earth.Like this what are the other type of relays we should use?why?where?Explain please..Thank you

1814

---

When we need up only in o/p 440v, so why we use directly in 11kva in input?

1697

---

WHY MOSTLY Rph IS USED FOR CONTROL CIRCUITS AUX. SUPPLY ?

2523

---

I have a situation to design sub-Distribution board/Panel meant for feeding power sockets. In the incomer CAN i Take TP MCCB with Neutral Link and All the outgoing feeders with to sockets with TP MCCB and Neutral Link? P.S : My System is IT Earthing

1829

---

if we look on phasor of the transformer vaoltage is 180 oppsite at primary and the secondary so to improve a power factor is secondary should kept negative to improve it primary side means is -.90 became +.90 at other side

1870

---

The height to which the liquid in a tank to be maintained for a certain constant velocity?

2011

---

how u select control transformer for a mccb panels or any panels?for expample we hav 440 volts maim supply and control volts is 230v?

2183

---

How to Decide(calculate) Bush bar size for copper and aluminiam ?

2143

---

explain different losses in a transformer.

1144

---

What is gross error?

1152

---

What are safety device in vcb and acb?

3890

---

State how to produce a constant rotating field by application of alternating currents to stator armature of a three-phase squirrel-cage induction motor

2505

---

How to do cable sizing calculation for 750 A Neutral Earthing resistor for 33kv. the 33kv cable going to swbd. is 630mm2 3 runs.

4778

---

how to select the no. of brushes in a lap winding?

2206

---

what is the responsibility of C license holder in industry?

9173

---