Answer Posted / angel

we have a 3 phase transformer rated as:

45 KVA 60 Hz
Primary volt: 480v
Secondary volt; 120 v single phase, 220 v (L-L)

we will install lights types: MV 400W, 220v

so, we will be using (L-L) breacker.

How much Watt can we load the transformer and how?
thank you.

IF HT CAPACITOR IN ON POSITION IS THERE ANY LOSSES I.S I SQURE OCCURS IN THE SYSTEM

2153

---

I have finish diploma electronics and five years experience in electrical field in ht service how can i get c licensce or other electrical certificate

1677

---

can any one suggest paper presentation topies for electrical engg?

1978

---

What is the general power consumption rating of CPU CRT type and Flat type, Monitor,Printer, projector, Scanner?

1887

---

What is dynamo?How it works and what is the function of dynamo in a DG.

2561

---

Define resonant frequency?

1190

---

What the difference between three phase contactor (coil 110vac) & three phase SSR (control voltage 110Vac)? May I use contactor in place of SSR?

2158

---

What is core CT & it's function?

2165

---

What is resonant peak?

1094

---

while doing high potential for 11KV 3 core cable how much leakage current will obtain?, what will be acceptance value?

2871

---

1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (gusaiyogendra03@gmail.com)

2283

---

whats the differece between Exd and Exe

4919

---

How will polarity test of Dy5 Transformer ?

2202

---

What is self exciting?

1688

---

for opening electrical shop, tips needed.

1819

---