Answer / gursharanjit singh dhunna

Solid state devices are used in Inverters, UPS , Fan
regulators etc

Please give me a solid reason there are 2 ELCB's If we take Phase from ELCB NO:1 an Netural from ELCB N:2 why ELCB is tripping when we connect the Load?please brief me with detail

3 Answers  

---

How many types Switchgears?

4 Answers  

---

Please tell me the formulaes while designing a substation for power Calculations in designing a 33 KV Substation?????

0 Answers  

---

for testing busbar (33kv) hi-pot .whether we can apply DC r not.and what is the test volt for that .explain

4 Answers   WGPSN,

---

What core magnetic balance test of transformer? How to do this test in a three phase Star delta (star-LV, Delta-HV) transformer? How to measure and where to measure? thanks and regards Austin

22 Answers   Neutech, Power Grid, TSSPDCL,

---

---

What are dependent sources?

0 Answers  

---

Why can we connect the mobile charger both ways?

2 Answers  

---

Why are the voltage levels in a powersystem are 11KV,33KV etc., why not 10KV,30KV?

2 Answers  

---

why insulators are colured in brown only?

3 Answers   Transco,

---

What is chopper

1 Answers   Enercon,

---

what is the name of the oil is used in transformer?

5 Answers  

---

dear friends, we are use 130 hp load run with 0.98 power factor ( 38KVAR capacitor connected ). if we need improve the the power factor to 1 (unity). how much kvar capacitor to be add. have any formula? please share with me.

3 Answers   Reliance,

---