difrent between vcb acb sf6 and mccb breakers

1 Answers   DMRC,

---

How to calculate the breaking capacity(like 15ka,20ka) of Circuit breaker (MCB,MCCB,ACB)

9 Answers   Career Excellent Sdn Bhd, Neona, Northern Max Engineering, Sps Renewables, Terasaki, UEM,

---

We have one Energy meter for Measuring the voltage,current,power,energy(KWH,KVARH,KVAH) & power factor.The problem is that the meter does not show whether the PF is lagging or leading.So i want to know that is there any way or calculation to find out that whether the PF sign (lagging or leading) depending upon the above mentioned parameters?

4 Answers  

---

internally connection of photvoltic module

0 Answers  

---

WHAT IS MEANING OF VECTOR GROUP FOR TRANSFORMER

2 Answers  

---

What is transformer break down voltage.And what is flash oil flash point.

1 Answers   HP,

---

phase clearance between phase to phase and earth

11 Answers  

---

Define non-touching loop.

0 Answers  

---

what is the diff. b/w balanced and unbalanced load..?

12 Answers  

---

1.why ACB is not connected in HT side what Happens? 2.how much voltage maintained in ACB breaker? 3.OLTC is connected in primary side in case secondary side connected what happened?

3 Answers   L&T,

---

which INDIAN STANDERD in Mention the earth test value?

1 Answers  

---

which of the folowing has negative temperature coefficient of resistance? a. mercury b. copper c. lead d. carbon

2 Answers  

---