how to write program by ladder logic in case of PLC operation

3 Answers   Gridco, Sofcon,

---

what is the meaning of bus bar, in electrical panels.

13 Answers   HLG Habtoor Leighton Group,

---

I have raw material for making Compact-Choke for flourscent lamp of 40 Watts. We are suppose to get 0.4 amps output at end. but we are getting 0.42 or 0.44 amps and above. We have done many testings in different but nothing worked out. Please suggest me how to get the correct output. We are using 1. core winding of 700 windings of aluminium 2. E-shape iron fillings and I-shape iron fillings to surround the winding.

6 Answers  

---

How to take vector group test for Ynd11 transformer.

2 Answers   Voltech,

---

what is the burdon in case of relays?

1 Answers  

---

Why we are use 11KV / 22KV / 33KV / 66KV / 110KV / 230KV / 440KV this type of ratio. why cant we use other voltage ratio like 54KV / 99KV et.,

8 Answers   College School Exams Tests, Hino, ITC Infotech, Reliance, UPRVUNL,

---

What are the three types of compensators?

0 Answers  

---

Why only 1ph,2ph,3ph supplies are universally used?? Why not 4ph or 5ph??

4 Answers  

---

in a three pin socket y the pin of earthng is longer n bigger...?

3 Answers  

---

please can i know about total harmonic distortion and how i can calculate it and if anyone can help me to find any program to help me to calculate THD?? please need it

1 Answers  

---

what is eddy current loss?

3 Answers  

---

A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.

0 Answers   Jindal,

---