Answer / anwar hussain

Yes we need to take few steps before installing the transformer like verifing the site , load calculation , transformer rating should be more than 25% load holding capacity grounding arrangement should be good enough and the insulators should be tended of dielectric strength and the lighting arrestor should be connected to the hv source and must be connected to ground as well

why only violet glow appears in corona effect?

1 Answers  

---

What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?

0 Answers  

---

How to calculate the multiplying factor for energy meter with ct ratio given

0 Answers  

---

Difference between single phase and three phase?

1 Answers  

---

What is transmission line potential gradiant?

1 Answers  

---

---

can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.

0 Answers   DEWA,

---

why in US MAINTAIN 60hz,110volts when compared with 50hz,220v in india

2 Answers  

---

can we amplify dc signals.how can it be done

4 Answers  

---

What is Phase to Phase clearance for 800V System Operating Voltage as per IEC61439

0 Answers  

---

difference between circuit breaker and switchgear?

6 Answers   L&T,

---

Why do we require transformer with less specific weight if supply frequency is increased?

0 Answers  

---

dear all, in motor operation , motor is of 100 hp and bimetal relay setting is 130 amp, if relay is getting tripped on 120 amp balance current what can be the reason? Relay is newly replaced. I dont know but is there any frequency effect in thit case? Can frequency variation affect bimetal relay operation?

1 Answers  

---