Answer / asif.k64@hotmail.com

Trivector meter is used to sense unbalancing of the load.

Answer / k.prakashchandra

In case of over current and earth fault protection (relays
)scheme,the unbalanced current passes through the EFR

how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you

0 Answers  

---

what will happen reduce the transformer voltage from 415v to 406v, is it save the energy,? are this methodis good to reduce the energy.?

0 Answers  

---

Why 11KV PT Secondaries [(11000/1.732)/(110/1.732)/ (110 / 3)]are in star connection ? And why the same should not be in delta ?

1 Answers  

---

what is the difference between inductive load and capacitive load?give me some examples in general

3 Answers  

---

1.ZEBRA conductor(large size) 2.KUNDHA conductor( small size ) 3.panther conductor(very small ) 4.lepard conductor (very very small)

0 Answers  

---

---

In control room of our one plant there is a continuously the incoming power goes to PC is vary,means in stabilizer it continuously indicate from high input to low and low input to high. what is the reason and its solution.

0 Answers  

---

why AC voltage source are generate as 50 Hz ?

4 Answers  

---

what is spill current?

4 Answers   Adani, NPCIL,

---

How npn and pnp transistor works

0 Answers  

---

in india why 50 hz and 220 volt taken as standard rating for equipments whereas in US 100hz and 110v is consided as standard rating.is this method save power.

5 Answers   Wipro,

---

WHAT HAPPENS IF FUSE IS CONNECTED TO NEUTRAL WIRE

5 Answers  

---

how to select fuse in any circuit? if with fomula ?and examples also

1 Answers  

---