what is wave trap? please explain the working and principle

4 Answers  

---

Why we find the sensitivity for the CT's to check?

0 Answers  

---

could i arrange a faulty and healthey battery bank togather in parallel , if your ans is not then why?

3 Answers  

---

how does directional relay work incase of ac ?

0 Answers  

---

how dc ct works?

3 Answers  

---

Difference between induction motor and synchronous motor? i Think Synchronous motors operate at synchronous speed (RPM=120f/p) while induction motors operate at less than synchronous speed (RPM=120f/p – slip). Slip is nearly zero at zero load torque and increases as load torque increases am a right pls guide & send Other Comments

5 Answers   Jindal,

---

transformer 3 ph, 225 kva pri 480v, sec 208v. primary neutral connected to system, is secondary neutral to be grounded and how

1 Answers  

---

what is exiter winding,stator winding,avr?how it will work?

1 Answers   Siemens,

---

Is it necessary to place tap changer in secondary winding or we can use on both sides?

3 Answers  

---

what is the method to measure the transformer current carrieng capacity in three phase.

1 Answers  

---

Pl. give me checklist for installation & commissioning of machine tool.

0 Answers  

---

can we use 7volt DC BATTERY to run a 60watt motor by stepup? Give reason for your answer?

5 Answers  

---