Answer / william lobo

Security
Rating error prevention ensures that the circuit-breaker of
matching rating only gets fully inserted into the cradle.

This prevents any human error during assembly of the
components.

what are the type of motors

3 Answers  

---

for selection of transformer we will considering 5 to 6 times of starting current of higher rating motor connected to secondary side. according to process wise we will start the motors gradually suppose if we will start 15 to 20 motors at a time wat will happen?

1 Answers  

---

WHEN WE TOUCH THE BOTH TERMINALS OF BATTERY WHY NOT THE D.C BATTERY GIVE US SHOCK SUCH AS A.C SUPPLY?

3 Answers  

---

how to synchronize 3 phase slip ring induction motors of different ratings.

0 Answers   GMR,

---

how can we make cable shedule for controll wiring ? which details must be required for it.?

0 Answers   L&T,

---

. Is there a simple method to measure the horsepower of a small motor (1-3 hp) for a non-technical person

2 Answers  

---

What is the rating of a circuit breaker needed for 300 kv load in 33KV supply line of 33/415 transformer ? Whether 800/1200 amp vaccum circuit breaker can perform for a 33 KV line in input in 415 volt in output of the transformer ?

0 Answers   Hira Group,

---

What is the full form of CNC in electrical mechines.......?

1 Answers   Alstom,

---

what is reactive power (MVAR) and how it is control? how it is generate in powerplant?

1 Answers  

---

From reading, Under voltage relay used also as phase sequence relay now, Why I use under voltage and phase sequence relay in the same circuit (ATS)?

0 Answers   Schneider,

---

We have a 12MW power plant & we inject 5-6MW power to Orissa GRID. For this we have a 33KV/11KV switch yard having 12.5MVA power transformer. Some times we draw power during emergency. It is observed that during Export or Import for load less than 500Kw the power factor is decreasing to 0.3 . This is happening only during export or import. During island condition TG power factor OK.Our capacitor bank is provided with our Power plant auxilliary load. Please suggest how I can we improve our power factor during low load (GRID).

3 Answers  

---

what is meant by vector group in transformers? wy we r using that?

1 Answers  

---