Answer Posted / somnath@ sterlite

choke is used to provide a starting voltage of about1000v ,
required for the ionization of gas inside the tube.

If the Brush of DC motor is shifted by 90 deg, then what happens to voltage and torque? Both voltage and torque are zero. how to justify the answer?

1429

---

what will be the min and max voltage flow from neutral to earth?

1504

---

i have faced a problem in ro plant grunfos make bm30type pump it is 22kw pump. We start this pump using siemens 3rw 4423-ibc44, 30kw softstarter but this soft starter will frequently failier so we planed to change dol starter. So pls tell anybudy its possible or not.

1915

---

What are the applications of the electric motors?

1048

---

How many types of electric motors are there?

1167

---

what are the analog quality input for protection function?what are minimum reqiments?

1817

---

and gate circuit diagram,amplifier circuit diagram

2050

---

WHY TERTIARY OF POWER TRANSFORMERS IS LOADED WITH EQUIPMENTS LIKE CT,PT,ISOLATOR AND CB

1884

---

There are Two questions about Steam Turbine Generator... What is HRSG bypass of LP, HP used for in power generation? In particualar, in the event that fault of HP bypass, there would be STG TRIP in operation but none on the LP bypass fault...what's the reason ?

2310

---

Define super node?

1185

---

In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?

2142

---

what is the effect of back reactive power on the generator ?

2190

---

what is meant by vector group of a transformer? How can it be derived?

1977

---

Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.

1957

---

What is difference and reason b/w -48V BTS system and 24 V BTS system. Plzzzzzzzzz tel me.

2200

---