Answer Posted / parameshwar reddy

180AH bATTERY IS REQUIRED.
IF IT IS 72W CONSUMED FAN IT WILL GIVE 30HRS. BACK UP

Is it a better option to procure screw type air compressor rather than reciprocating air compressor?If so, what is the reason?How should we select an air compressor(100 CFM)? Please mention the important parameters of air compressor.

2010

---

is there any chart showing the suitable cable size according to AMP and length ? for three phase motors

1439

---

what is differnce btwen lll and lllg faults

2077

---

Electronic circuit

1092

---

how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.

2325

---

Good day everyone,currently in our premise we using 30kw slip ring motor with resistance bank which we use as forward and reverse at conveyor bar handling. So,my question is how do we calculate the resistance bank which is suit the motor. Kindly,assist me... thank you

1771

---

what is a composite error in current transformers, why occurs & in which it will occur i.e, either metering ct/ protection ct

1914

---

What does Bode plot tell you?

1469

---

I need bhel previous year quetion papers for electrical engineering department.I searched but i could not find out

2129

---

How to control motor gearbox speed and friquency? If length of cable and dia given, how to measure the voltage drop?

2081

---

Explain the advantages and disadvantages of thermal power plant?

1142

---

For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel

3049

---

why impudance relay used for medium transmission power system? why not others?

1530

---

Is there any abbrevation for STUB in Stub bus protection

1993

---

Why power genaration in India is at 50HZ while America its 60HZ

2335

---