Answer / riz

Residual current circuit breaker is another name of an
earth leakage circuit breaker. The function is same in both
cases however RCBO is a is a combination of an ELCB & MCB.

How to test the vector groups of 3 winding transformer & phase displacements

2 Answers  

---

What is the difference between Off line UPS and Line interruptible UPS?

1 Answers   Etisalat,

---

how do you find making current and breaking current of the circuit breaker

1 Answers  

---

Swg formulae

0 Answers   Bokaro Steel,

---

What are the protections for safe running of electric generator?

0 Answers   Hetero,

---

In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

0 Answers  

---

why we are used armed coble for wiring of 3phase motor?

3 Answers   AluChem,

---

what is the path of electron when a static electron is placed in a magnetic field?

1 Answers  

---

why single CT used in DOL starter power circuit?

0 Answers  

---

what are the various parts of airconditioning system used in train and its working

1 Answers  

---

i karmveer bharti persuing b.tech . plz send me syllabus and name of reference books. for preparation of section eng.

0 Answers  

---

Why DC weldings sets preffered over AC considering human safety aspects ?

2 Answers  

---