How many types of AC current?

8 Answers  

---

3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?

0 Answers  

---

Where can I get CPWD electrical shedule rates in web? please help me.

1 Answers  

---

Capacitor is load free component but why ampere meter shows current when capacitor bank breaker close?

0 Answers  

---

Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?

0 Answers  

---

what is the difference between ACTIVE POWER and REACTIVE POWER.I WANT CLEAR ANSEWER.

8 Answers  

---

why we use star connection on the primary side of a transformer?

5 Answers   DRDO, TCE,

---

what are the type of transformer?

4 Answers  

---

how a single machine can act as both motor and generator? and give explanation interms of connections?

1 Answers  

---

what is sevice settings for mccb?How can be it setted?

1 Answers  

---

Why do we need interlocking in a HT metering or Ring main unit switchgear?

0 Answers  

---

How is the percentage impedence of a transformer fixed at design stage???

0 Answers  

---