Answer / k.prakashchandra

If the L.A. is intact ,you have to assume that it in working
condition.There is no need to test it with high voltage ,as
it is already subjected to working voltage .Only physical
examination may help you.In case of E.H.T,LA ,it is usually
provided with stay-put pointer ammeter to measure leakage
current.You have to replace the L.A. when the pointer enters
the red region.

role of shunt coil in circuit breakers

2 Answers  

---

while doing high voltage test on 11kv/433 distribution transformer why we only give 28 kv on hv side and 3kv on lv side for power transformers what is the value what factors it depends

0 Answers   Enercon,

---

hello if any one have papers vof hpcl or sail, plz send me

0 Answers  

---

How can calculate thermal overload in relay?

1 Answers   ABB,

---

sir, how to select the cable size, what is the parameters use ang what is the formulas use for this cable size calculations. please tell me.

4 Answers   ISRO, Power Grid,

---

List examples of current sources?

0 Answers  

---

What is the effect on Power factor and capacitor when your company load is more than 70 % of welding transformer

0 Answers  

---

hai...... tis is Hemanth. jst now completed electrical engineering... i wanna to apper for ap tranco exam... plzz send me the previous q's paper link......thanx in advance.

0 Answers  

---

If the Brsh of DC motor is shifted by 90 deg, then MNA will shift by --degree.

5 Answers   GATE,

---

Define maximum demand?

0 Answers  

---

how many current required for hypo test

0 Answers  

---

how vfd drives energy save

5 Answers   PowerTech,

---