How do u control "Metal halide fitting"

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kalanjeya

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chennai
Greeting to all ,

The common way of control a circuit having metal halide is through MCB .
Our client need to contorl by relay operated control module/timer control. I have no idea where i will get the detail, could u tell me ?
 
Go get catalogs from the major mfg like Square D or Cutler-Hammer. Look on the major mfg web sites for application notes. You are in for a lot of reading.

carl
 
tadavidson said:
Electrical Design Engineering School.

ta -
Is this a school aimed at teaching about "mechanically held" vs "electrically held" contactors, timers, plcs, other control systems? If it is, perhaps you could elaborate. I've never heard of one.

carl
 
How do I control "Metal halide fitting"

How do I control "Metal halide fitting"

I am currently relighting an old portion of our facility and we are leaning toward zone controlling the lighting by means of a PLC, The work will be handled electronically and it will give plant management to option to turn the light off remotely without even entering the department in question. Initial investment on PLC selection is high at first but the mechanical failure will be reduced long term. In conjunction with the PLC, we are using a Total control touch screen at the main panel for supervisions intervention, this same application is going to handle the heating controls for this building as well. You may want to consider getting the MH out of there also, take a look at the new high bay fluoresces available the savings are huge, and the lighting is excellent. You can reduce your new circuit design as well. The have come a long way with the electronic ballast and the T5 and T8 lights as well. One more bit to think about the EPACT Tax rebate are something to consider also well using the HBF, Any bean counter will give you their full attention with these type of numbers.

LHarrington
 
coulter said:
ta -
Is this a school aimed at teaching about "mechanically held" vs "electrically held" contactors, timers, plcs, other control systems? If it is, perhaps you could elaborate. I've never heard of one.

carl
The Technical School I graduated from taught control as basics. I don't have your credentials but I get by.
 
tadavidson said:
The Technical School I graduated from taught control as basics. I don't have your credentials but I get by.
ta -
My apology - poorly worded reply on my part.

I truly didn't know one could get a school that taught selection criteria for control applications. That is pretty sophisticated. That's a good school.

kalanjeya is brand new at this stuff. That is no sin. As I recall we all started there. The best an engineering school can do is teach one how to think and teach the tools to understand. After that, the practical comes from peer group conversation with the techs, other engineers, research, and regularly attending speciality schools.

kalanjeya -
I'm guessing you don't have this peer group conversation available to you. And what you are after is to learn enough to get pointed in the right direction so you can ask the right questions.

ta -
Yes, I have excellent credentials. However, I never loose sight of the fact that I was no better an engineer or EA the day after I got them than I was the day before. Every day is a learning experience. Like you, I get by - (sometimes with pure nerd brilliance - and I love the job:):D)

carl
 
coulter said:
ta -
My apology - poorly worded reply on my part.

kalanjeya is brand new at this stuff.

carl

May be but instead of writing a big paragraph you could have answer somthing related to the question.

But i got a bit info from harrington who came from a school which u unable to.
 
How do u control "Metal halide fitting"

kalanjeya,
Have you got something started yet, was I any help? Be careful reading to deep into these responses most of the time no one means any harm. By read the last several responses you appear to have gotten offended. I've learn on many a occasion that it's tough to understand what someone is trying to say with out getting caught up in our own conclusions of what they typed. Patiently read the responses, extract the information that is important to you, and keep moving forward. It just like chess, play your game not the opponent?s game.

Have a good day
LHarrington
 
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