Answer / tim

typically this can be done using a high potential device
that applies a high voltage signal to open circuited
conductors. The meter on the device measure the micro-amps
of leakage through the insulation of the cables.

Answer / sapan sahni

We can check earth leakage by a instrument Its name is Magger.

relation between power station capacity and voltage level?

0 Answers  

---

how long will take to burst/damage for a CT when secondary in open condition? Experienced: During switchgear testing(Primary current injection test) some of the CT are in open condition, but nothing happen's why?

1 Answers  

---

what will be happened when a single phase motor is supplied by the dc supply

3 Answers  

---

how works inductive &capacitive sensors?

0 Answers  

---

What is the ladder circuit?

1 Answers   Mitharg Information Systems,

---

in 3-phase transformer which type of transformet is used in output side?

6 Answers   Essar,

---

how external lighting design? please give examples?

0 Answers  

---

We have 250 KVAR cacitor bank & our average load is 200kva but our power factor is average 0.66 how can we maintane it? how can we balance our load?

4 Answers  

---

there are a transformer and a motor. both are connected to 3phase, 415 Volt, 50Hz power supply. Both are working with induction principles. Then, why, motor is rotating and transformer is not rotating.

8 Answers  

---

What are the types of relay ?

3 Answers  

---

what is voltage, and how it makes the electron to move?

6 Answers  

---

. Is there a simple method to measure the horsepower of a small motor (1-3 hp) for a non-technical person

2 Answers  

---