Answer / k.prakashchandra

The other 2 phases are the paths for return current of a
phase.

Answer / simon peter

Its due to unbalanced capacative or inductive load......

Answer / karan

no any unbalance current flow in delta circuit

how can you calculate the value of external resistance inserted in a slipring industion motor? (eg. 110 kw / 990 rpm/50Hz/stator v-415/stator Amp-195/Rotor V-440/Rotor amps- 151.)

6 Answers   Bosch, NMDC,

---

What is power factor? Whether it should be high or low ? why?

9 Answers  

---

What power factor maintain you maintain at u r organisation

14 Answers   Wheels India,

---

How Many Safety of Transformer

2 Answers  

---

Why delta star trformers are used for lighting loads?

0 Answers  

---

---

WHy neutral to ground trips when neutral touches the ground

1 Answers  

---

What is center gravity load in substation?

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  

---

Double Busbar Scheme for outdoor switch yard system (132kv) step up power plant Hi friends 1. in this system both busbars energized all the time. 2. what is the meaning of main BB and transfer BB, 3. step up transformer connect main bus bar all the time or both BB connected through DS switch . 4.bus sectionalization means ? thank you.

1 Answers   ABC, Gael,

---

how to test and calculat the head and discharge in borewell compressor

0 Answers  

---

What is the permissible value of earth resistance and as per which standard / act / rule ?

3 Answers   HBL Power Systems,

---

How to calculate the TR (AC's)

4 Answers  

---