Answer Posted / oarhe ize

By using the transmission line parameters

what material is the electrical housing wire made of? is there any difference for the telephone lines?

1965

---

what is different between phase and netural

1974

---

in star-delta tranformer,if the input of star connection is 400/7v 3 kva then what is the output of delta connection?

2116

---

what's the exact magnitude of current, flows through Neutral?

1962

---

7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?

2270

---

what is the principle of operation of CFL ??

2658

---

What is meant by time harmonics and space harmonics?

2796

---

how can you calculate fault level ?

2384

---

Connection diagram for KW meter and  Kva meter

2327

---

why capacitance effect is predominant in underground cable transmission and inductance effect is predominant in over head line transmission?

3671

---

we all know voltage is a force(emf), and the force always devides if 2 or more than2 loads are there but why does the voltage remains same is parallel, it must devide na ???

1982

---

impliment (AB)`+C to transistor representation

1829

---

what is the meaning of vcc

2507

---

how to measure dc earth leakage current?

3164

---

Why the earth to phase voltage is high 250 compare to other two phases

1511

---