Answer Posted / minal

we use high voltage transmission under long distance to
reduce power loss.

Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar

1725

---

magnetizer priciple

2010

---

what is meant by carrier aided trip protection in transmission line

3843

---

What conditions are required for transformer to operate at low frequencies ?

1956

---

I am having dual speed motor of cromton greaves make of 3.7 KW -1400 rpm and 5 KW - 900 rpm. Please let me know groups and winding connction for rewinding purpose.

1866

---

what are the specifications we must look at to select a relay for any capacity motor?

1992

---

How RTCC panel is working and give single line diagram for RTCC with transformer?

3038

---

what is meant by the phrase 'static load' in case of shorting in a generator excitation system?

2099

---

can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?

1400

---

What is purpose of reactor?.What is different between line and bus reactor?

1896

---

Explain the functioning of diode?

1026

---

what is arc flash and what are the hazards involved

2102

---

Please help me regarding my one concern. - During earth pit testing we noticed that the Clean earth pit and dirty earth pit showing continuity (Resistance value - 5ohm) . I want to know that if both earth pit have separate location and there is not internal looping between PIT then why such continuity is showing on it . Because of this issue the field side all earthing point showing short. In PLC panel we are providing two types of earthing cable which is coming from separate earth pit (Clean and Dirty earth pit) because of earth PIT showing short our PLC is not complying spec . please help regarding this issues.

1539

---

what is meant by impedance & transient protection?

2062

---

What are PLC leader logic program method

1706

---