Answer / mukhtar ahmad mohd shaikh

yes in thre phase load if the distribution was unbalanced
the current will flow through the neutral to earthing

Answer / maddy.

Neutral is a circuit conductor (that carries current in normal operation), which is of a 2-wire circuit that is connected to the supply neutral point and earth ground is also to minimize the voltage difference between neutral and local earth ground. so the answer is yes, it will allow when the distribution is unbalanced.

We have a 12MW power plant & we inject 5-6MW power to Orissa GRID. For this we have a 33KV/11KV switch yard having 12.5MVA power transformer. Some times we draw power during emergency. It is observed that during Export or Import for load less than 500Kw the power factor is decreasing to 0.3 . This is happening only during export or import. During island condition TG power factor OK.Our capacitor bank is provided with our Power plant auxilliary load. Please suggest how I can we improve our power factor during low load (GRID).

3 Answers  

---

What are the properties of a resistor?

0 Answers  

---

which %age of corona losses increses if frequency is increased to 25%.

3 Answers   ADCET, Maihar Cement,

---

wts d diff b/w C.T. & P.T.?

9 Answers  

---

why the generator operating along with the infinte bus bar should never be under_excited?

1 Answers  

---

Which system is best for industries 3ph 3w or 3ph 4w?

3 Answers  

---

why we are discharging h.t supply during shutdown time

1 Answers  

---

Differentiate between Low and High impedance Protection

1 Answers  

---

battery capacity use of made?

0 Answers   JLL, Shankar Electricals,

---

what are the units of cable insulation?

3 Answers  

---

Comparing to AC transmission, corona & R in DC transmission is……. a) lower b) higher c) same

3 Answers  

---

Can someone tell me how to calculate the size of a power cable? What are the factors involved in cable sizing?

5 Answers  

---