Answer / mohammad farman khan-abu dhabi

MICOM P122 OC /EF relay have harmonic restrain because this
relay use in package unit for infrastructure use.

why cable i burning without tripping. how can protect led street lights

0 Answers   Cosma,

---

what are all the preventive maintainance carried out in DG?

1 Answers   TATA,

---

What is given by the definition in BIL IMP/PF = 950/395 kV. This was found in a name plate of a power transformer.

0 Answers   AES,

---

What is the difference between IS:1554 (Part 1)/1988 & IS:694/1990 ? What do these two standards specify about?

2 Answers  

---

What is the difference between reciprocating & rotary motors in AC units, which is the best one in terms of operation.

2 Answers   MacLellan,

---

What size cable (based on voltage drop) is required to supply a 40 A three phase boiler if the wiring system is 75V single insulated cables installed in non-metallic rigid conduit 56m from the main switchboard? Voltage drop in the consumer's mains is 8V.

0 Answers  

---

what r PID controllers?why they r used?what is there purpose?plz Explain in detail

0 Answers  

---

why dont we connect the two 12 V DC batteries in parallel, for an inverter (UPS)? is there any harm ?

6 Answers  

---

Between rotating armature type and rotating field type arrangements which one is adopted for large rated alternators and DC generators.Why there is difference in the choice?

1 Answers  

---

How RTCC panel is working and give single line diagram for RTCC with transformer?

0 Answers   AB Associates,

---

Can transformer develop three phase power from a single phase source?

12 Answers   ONGC,

---

How to know vacuum in vacuum cylinder of breaker in working condition

0 Answers  

---