when meggering a 3ph,480v oil reservoir heater on a regen gas compressor, why do I get a reading to ground when meggering phase to ground? shouldn't it read opened or is there something that makes it read closed? on the same heater, when ohming, it reads open. thanx

1 Answers  

---

what is cogging and crawling

2 Answers  

---

how can synchronous generator can be used as synchronous condenser?

3 Answers   Monnet,

---

what is difference between cpp electrical system and refinery electrical system

0 Answers  

---

How much pf maintan in dg set in 6o% load,when Dg runnig Neutaal Earthing removed what happen.

0 Answers  

---

lamination figures

0 Answers  

---

which type motor r use in the celling fan.....

6 Answers  

---

what is earth pit , how we can measured it, what earth rods reference

0 Answers   ups,

---

In hydro plant,generally we install vertical hydro generators..why dont we recommend horizontal one??

1 Answers   Alstom,

---

what happens when ac supply is given to D.C motor.

17 Answers  

---

what is the generator rating for 40 amp load of 3phase motor.?? 400v voltage of generator... plz tell me with formula its urgent...plzzz... and also tell me that this 40 amp at all phases mean 40 amp on red,40 amp on yellow,40 amp on blue...... or the total sum of that 3phase is 40 amp....

7 Answers  

---

In 3phase supply Voltage will come around 370v then what will happen?(mean what will effect on electrical equipment like AC,UPS,Motors.)

1 Answers   NTPC,

---