Answer Posted / sangay dorji

soft starter starts the motor slowly at some point and
keeps the speed of the motor constant from that point,
where as variable frequency drive controls the speed of the
motor with respect to frequency.

determine two methods to find loose connection in operational electrical system?

1621

---

1.how many types of relays? 2.difference between ATS& STS?

2099

---

hii this is ranjith from hyd... i want to know what type of questions they ask in interview...and hw the interview will go..? what subjects thay ask specially for electrical engg students?

1916

---

What is the voltage gain or transfer function of amplifier?

1088

---

PLZ SEND ME SOME UNIQUE PROJECT OF ELECTRICAL ENG (B.TECH)

1909

---

why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?

1777

---

Usage of flywheel diode in relays

1862

---

If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?

1842

---

What are factors to be considered while we selecting the Core Balance Current Transformer for Earth fault protection

1817

---

What is the count of hvdc transmission lines in india?

1040

---

What is domestic transformer? Draw the connection of domestic transformer.

2252

---

send me all basic electrical question and answers

2860

---

why electronic instruments is more favorable than electrical?

1912

---

A 50Hz,4-pole,3-phase,star-connected synchronous motor has a synchronous reactance of 12ohmsper phase and negligible armature resistances.the excitation is such as to give an open-circuit voltage of 13.2kilovolt.the motor is connected to 115kilovolt, 50hertz supplying. what maximum load can be the motor torque,line current and power factor?

2358

---

if we run a 3 phase machine on two phase what will happend??? given answer with solid reason please

2040

---