Answer / prajith o c

Corrosion

Answer / binit

Prevent. Corrosion

why generator is design for lagging P.F(power factor)?

3 Answers   BSES,

---

what is FS cable?? Difference between FS and FRLS??

1 Answers   Multivista Global,

---

What is means by MacAdam Ellipse?

1 Answers  

---

Does all the output contacts (N/O as well as N/C) of a Numerical relay operate when relay receives a binary input/inputs or contacts are designated to specific logic input/inputs and only these contacts operate?

0 Answers  

---

explain the operating principles of CVT & RVT

2 Answers  

---

What is the permissable nutral current of three phase system as per IS standards?

0 Answers  

---

What is the difference between acs 550 & acs 850

0 Answers   Madhucon,

---

Why cant we connect the motor output to generator and then generator output to motor ?

4 Answers  

---

why we still use sinusoidal waveforms for transmission and utilisation (we know generation is sinusoidal), instead of other ac waveforms such as triangle, sawtooth, square etc.,? is there any mathematical derivations to prove sinusoidal is efficient than others?

1 Answers  

---

why the transformer has no starter

2 Answers   NTPC,

---

what will happen if the connections of protection ct reverse? will it burn the ct?

2 Answers  

---

WHAT SHOULD BE THE BEST CURRENT RATINGS (PRIMARY / SECONDARY)FOR A CT INSTALLED AT THE INCOMING 11KV PANE? WILL IT BE CALCULATED ON THE BASES OF MAXIMUM DEMANT VALUE OR ON SUM OF ALL TRANSFORMER'S KVA? NOMALLY MAX DEMAND REPRESENT THE MAXIMUM OPERATING LOAD OF THE PLANT AND TOTAL KVA OF (SAY 5 NUMBERS TRANSFORMERS) REPRESENT THE CONNECTED LOAD. WHICH i.e. MAX DEMAND KVA OR CONNECTED KVA ARE BETTER TO USE FOR CT CURRENT CALCULATION? PLEASE ANSWER.

0 Answers  

---