Answer Posted / mehmud ahmed

Hi every one how are you
if u need to know three phase capacitor rating than

I= kvar x 1000 / V x 1.73

Example:

i have 25 Kvar capacitor and line to line voltage is 440. i want to know current rating of capacitor

I = KVAR x 1000 / V x 1.73
I = 25 x 1000 / 440 x 1.73
I = 25000 / 762.08
I = 32.80 Amp

So my Ans is (32.80 Amp)

How to calculate the copper in HT motors if KW, RPM & Voltage is given

3215

---

The gauge indicates the number of amps, but what about voltage? How voltage rating (for wire or fuse) determined?

1984

---

I completed iti in2004 I was worked in A grade contractor can I get c licence

1717

---

who many types of fire explane with exmple

2222

---

at what rate the micro controller increment its timer....is it 1micro seconds or 1/(12*10^6) seconds

1797

---

What are the raitings of Mcb,mccb and Acb in detail ??

1615

---

in Contactor opearation Why there is a difference in the values of the operate and release voltage in case AC supply

2121

---

What are your future plans for the company if permanently employed?

2176

---

Define sensitivity?

1105

---

How do you select the pickup value of the relay?

1336

---

How to decide whether A / B / C / D curve type MCB should be used?

2303

---

EXPLAIN THE TRANSFORMER MAINTENANCE?

2292

---

Explain the laying procedure and laying depth of submarine/subsea power cable for 220/400KV system? Also available cable diameter?

2111

---

Different STANDARDS (BS, IS, IEC etc) gives different informations on CT specification. How they correspons w r t each other (i.e I mean to say BS provides "knee point voltage" but IS does not, then how can i select CT)

1978

---

1sq mm dc powr cable can carry how much dc currnt

2073

---