Answer Posted / simon

Reactive Power OPPOSES Active Power another name is Back E.M.F OR Eddy Current.The result is low Pf &over draw of V,I.

if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?

2565

---

What are the disadvantages of thermal power plant?

1095

---

george phenomenon of synchronous machine

7561

---

What is the function of retrip in busbar?

1510

---

What is a compensator?

1094

---

How to calculate multiplying factor of dc energy meter

1670

---

what is the working principle of energy saver control panel. please give the complete calculation & theory.

2467

---

how to select fuse rating for a 3-phase motor ???

1802

---

Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP.

9595

---

In siemens PLC, why do we want to move the data ?

2326

---

Why can't we take NO LOAD TRIAL of motors having V1 mounting??

1929

---

WHAT IS THE DIFFERENCE BETWEEN AN ACB & mccb 7 WHAT IS THE CRITERIA WHEN TO USE WHICH OF THE TWO

2330

---

How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

1998

---

what is inverter and converter

1923

---

What is highest size of HT motor like 11 kv or 33 kv,and how to make it 750 rpm.i think the size will be very big.any idea ? pl. reply..

1934

---