Answer Posted / k. dhinakaran

Voltmeter is mainly used to measurement the all the voltage
Bt the relay is mainly used for protect the system in power system. Relay is a electro magnetic contactor. Relay is easily energized the fault and tripping the MCB..

explain the function of brush less dc motor?

2075

---

Why neutral is not used in three phases dol starter

1933

---

Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?

1964

---

how to test the electrical panel.ht lt mcc pcc.

3772

---

the problem faced on star or delta winding connection??

1914

---

Which type of a.c motor is used in the fan (ceiling fan, exhaust fan, pedestal fan, bracket fan etc) which are find in the houses ?

1021

---

if we apply 1000ADC instead of 100ADC or We apply 50ADC instead of 100ADC,What will be happened in the test result value.Pl explain

1293

---

please send privious years question papers of jindal steel and power ltd.My e mail id is rajanikant.sngh@gmail.com

2092

---

what is earth resistance? how to measured? and give values at power station and mcc area?

1960

---

why Lightening Arrester Probe sharp at Top of telecom tower.

1547

---

hai...... tis is Hemanth. jst now completed electrical engineering... i wanna to apper for ap tranco exam... plzz send me the previous q's paper link......thanx in advance.

2087

---

what is the meaning of impedance protected in instrument cooling fan

3529

---

whatare the disadvantages occur,if the form factor of transmission will not be equal to 1.11

1858

---

if negative of DC supply used and positive is grounded through EGB, and if ELCB used in the system then is it sense the positive volatge and get tripped is it possible?

1842

---

What are the advantages & disadvantages of a group electrive drive?

2137

---