What is the Difference Between the SCADA & PLC ? Both it also control and Supervise Then what Special in Scada & PLC?

1 Answers  

---

Whether should be the oil level in OCTC transfomer? It should be upto winding immersed completely or should be upto tap changer s/w? How it will affect the performance of the transformer. Rating may be 33KVA

0 Answers  

---

What is basic fundamental for choosing NGR or NGT for any generator neutral grounding

5 Answers   EDF,

---

how to calculate the multiplication factor in HT incomer trivector meters

9 Answers   Dalkia, Getco, Gujarat Energy Transmission Corporation Limited GETCO,

---

What are the different protection systems takes place on control panel board?

7 Answers   BSNL,

---

---

Why we use Delta connection in the secondary side of a High Voltage transformer?

1 Answers  

---

WHAT IS MEANT BY BTU OF AIR CONDITIONERS.

2 Answers  

---

How to calculate cable sizes in sq.mm. with using motor KW? Any formula there?

18 Answers   Aswani Properties, BRB Cable, Construction, Hitachi, L&T, Microcool Systems, Nahar, NWPF, Reliance, Renault, Saha Bright Polytech, SGH, TATA, Techno Electric and Engineering, TFIL, Thermax,

---

how can 3phase motor speed can be controlled without vvf drive?

1 Answers  

---

The SFC of an engine is 0.25 kg/kW hr. when the fuel used has a calorific value of 36000 kJ/kg. the thermal efficiency of the engine is

0 Answers   Caterpillar,

---

EXPLAIN WHAT BTU STANDS FOR(AIRCONS)

2 Answers  

---

what is megar testing

4 Answers   NASA,

---