Answer Posted / tameshwar singh

For low speed traction bow collectors & for high speed
pentograph collectors are normally used

do we use links in a dc circuit?if so what s its use in it?

2026

---

features of hbc fuses

2421

---

How many lightning arrestors to be installed on 50MX60MX10M building and is there any formular for that?

2005

---

What are safety device in vcb and acb?

3880

---

what is the mechanical safety of DG ?

2193

---

How to Prepare preventive maintenance shedule of machine tool.

2021

---

I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.

1963

---

when we design electrical schemes of 11/.415kv distribution..wen and were should we show the relays??what is the function of it?for example..we place EFR Relay CT between transformer neutral link and transformer earth.Like this what are the other type of relays we should use?why?where?Explain please..Thank you

1805

---

what is the use of static frequency converter and static excitation equipment? and where it is employed? for what?

3482

---

In vapour absorption refrigeration machine fluids used are

1236

---

What type of a DC motor would you use for a lift?

1077

---

how to calculate the distance relay faulty zone?pls explain?

2047

---

What is zero of the system?

1105

---

3 shows a 415 V, 3-phase generator supplying a 3-phase 415/110 V transformer. Draw the individual and combined impedance diagrams to a base of 10 kVA. Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.

2659

---

while doing high voltage test on 11kv/433 distribution transformer why we only give 28 kv on hv side and 3kv on lv side for power transformers what is the value what factors it depends

2858

---