Answer / santosh

Commutator and slip ring service
Filter replacements
Lubrication programs
Equipment inspections

1)Why potential transformer primary site grounded? 2)can be loop between neutral & body for grounding? 3)What is the difference between ELCB &RCCB? 4)Why we use iron core in transformer insted of wooden core? 5)what is the principle of excitation? 6)Why we test the core balance test for transformer? 7)what is creepage?What is the creepage length for insulators at different voltages? 8)How much type of relays used for differential protection of generator,transformer & busbar protection?

5 Answers  

---

Why there is no provision of breaker in between primary of UAT and generator

1 Answers  

---

What is effect of low pf on HT supply.

6 Answers  

---

why we use ac?why we use dc? why we we cannot use only ac/dc for all the applications?what happen if we use?

0 Answers  

---

how to make an earthing certificate

0 Answers  

---

---

what is the job description of a LOW CURRENT ELECTRCIAL ENGINEER in a industry?

1 Answers   BTAT, Powercraft, Prince Glass, Sterling,

---

Corona occurs between two transmission wires when they (a) are closely-spaced (b) are widely-spaced (c) have high potential difference (d) carry d.c. power

2 Answers   Power Grid,

---

why do we connect voltmeter in parallel,why not in series,and why do we connect ammeter in series why not in paprallel...

4 Answers  

---

what are inherent currents?

0 Answers   Sail,

---

How capacitor improves pf

0 Answers  

---

700KW 6.6KV slip ring induction motor to use VFD to control the speed

0 Answers  

---

If the line voltage is reduced to 75% of its rated value then by what percentage current will reduce ?? 75% 25% 50% no change and why ?

0 Answers  

---