Answer / shantanu dash

The neutral current in a balanced load condition flows due
to the third harmonics which is basically due to the use of
inverter drives, PLC etc. in the distribution system.

Answer / guest

in a balanced three phase system, no current flows in
neutral, in ideal case. but if the current is flowing in
neutral when the load is balanced that means its due to the
effects of harmonics.

Answer / ferftert

because it act as a returnng path to close a circuit

How we calculate airgap between phases & terminal box of the transformer? any formulae.

1 Answers  

---

why v/f ratio to maintain constant in speed control of induction motor?

3 Answers  

---

what is the necessity of under ground cables ??

0 Answers  

---

The maximum demand of consumer is 2 kW and his daily energy consumption is 20 units. Its Load Factor is (1) 10.15% (2) 41.6 % (3) 50 % (4) 60%

2 Answers  

---

As per principle we say in three phase supply ,the voltage is producing by phase angle between two phase so two phase is needed means then why we using three phase ?

2 Answers  

---

How do you commission a power Transformer?

1 Answers   EEI,

---

what is size of 3phase 4wire cable to be used for 11 ton ductable A.C and how to calculate cable size for different load

0 Answers   Tata Power,

---

can you show me the components inside a air circuit breaker with connection diagram?

1 Answers  

---

what type circuit breaker is suitable for connecting 1000A load VCb,Mccb?

5 Answers   Gridco,

---

what is differance between dirty earthing and clean earthing and their applications

2 Answers   CB&I Lummus,

---

what is range ACB

11 Answers  

---

what is intermediate switch

1 Answers  

---