Answer / varun

per unit value

Answer / michael

PU = per unit value
it is use for high value of rating
in order to reduce it to smaller
value

Answer / a.p.nanjappa

PU means PER UNIT VALUE.
this is used by protection engineers application.
refer CEGB, ABB,SIEMENS HAND BOOK FOR CALCULATION OF FAULT
CURRENT.

what is the difference between MCB and MCCB?

4 Answers  

---

Sir I want questions for rrb sec technician gr III (electrical)

1 Answers   RRB,

---

what is the function and use of oil filled cables specify its advantages and disadvantages

7 Answers   Alstom,

---

what is rotatng magnetic field in case of three or multiple phase alternating current machines???

1 Answers   NHPC,

---

george phenomenon of synchronous machine

0 Answers   JU,

---

A 3PH MOTOR RUNNING IN NORMAL CONDITION AND ITS AMPERE ALSO UNDER ITS FULL LOAD CURRENT,ITS CABLE RATINGS ALSO HIGER THN ITS CAPACITY,BUT ITS CABLE GETTING ABNORMAL HEAT(NOT TOO HOT)WHY ITS GETTING HOT LIK THIS

2 Answers  

---

What will happen if " not connecting the neutral point to ground of diesel generator output (380 V)", also if someone touched one phase without isolation from ground during the A/M condition what will happen to him?

3 Answers  

---

What is the formula to calculate distribution transformer De-rating on iron losses basis

0 Answers   IESCO,

---

why rating in KVA and KVAR?

4 Answers  

---

Which is the oldest hydropower plant in india?

0 Answers  

---

WHY CAN WE NOT CHAGE SPEED OF SYNCHRONOUS MOTOR...............................JUSTIFY

2 Answers   ISMT,

---

any body know about lighting arrestor. how to determine the height of lighting rod from top of bulding and how many area it cover.

1 Answers  

---