Answer / sathish charles

in industrial applications,

define differential current and restraining current in relays. how to calculate it by mathematically? post the formulaes.

4 Answers   Siemens, VPEC,

---

what is a types of short circuit and what is a types of distance protection tests

0 Answers   Anna University,

---

how to do CT Burden test

2 Answers  

---

need of capacitor used in plant

3 Answers  

---

why the starting voltage drop in a cable needs to be limited?what is percentage of the voltage drop allowed during starting?

0 Answers  

---

How is the air circuit breaker quenching the arc. If it is by air means, where is it come from?

1 Answers  

---

What is it mean Transformer 100/133MVA Power Transformer, significance of 100/133 MVA and 230/115KV please

3 Answers  

---

what is the difference between diode and zener diode?

21 Answers  

---

how to calculate busbar size? if ex:1000amps i need to calculate busbar size and what size of bar?if any example caculation pls give the formulas.

2 Answers  

---

suppose if oil in transformer is not used than what constructional change you will do,for insulation and cooling?

2 Answers   ABB,

---

what are the ''pitting rings''and how cn they be controlled in a series generator

0 Answers  

---

How i can calculate the cable size for given load,there is any formula,for 3 phase and single phase

2 Answers   Prescient Technologies,

---