Answer Posted / p. hemakumar

visit www.tnelb.gov.in

why the carbon brushes are broken in srim while the motor runningtime

1684

---

Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?

1955

---

wat is the first thing dat is needed, 2 lay a cable in some area??

1843

---

What is the function of a neutral reactor.

1853

---

What is transformation ratio what it describes?

1688

---

In motors how many types of cooling systems were used?

2051

---

transformer spections :: input voltage 0-110-230v; output volage 0-10-12-14v; amp=3A using CRNO CORE, capcaity=50VA primary turns = ? ; secondry turns =?

2077

---

What are the main advantages of bode plot?

1239

---

1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?

2529

---

What is difference between Harmonic and Non harmonic Capacitor Bank?

2899

---

what is mean by PIR in circuitbreaker and give me detail of that?

3497

---

I don't understand why when we connect high voltage source in DC to electronic motor , we must add capacitor and resistor in parallel ? (I know that we use capacitor because we want to absorb the current that in the first second electronic motor in opposed with current course produce. ) what are the feature of Resistor and in such situation ?

1846

---

what is saturation kit?which use above 15 kw motors panel side.

4181

---

WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?WHAT IS THE NEED TO BE PHASE SHIFT CHANGE BETWEEN THE PRIMARY AND SECONDARY WINDING

1773

---

can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?

1434

---