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  1. #1
    . Neverna's Avatar
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    Quote Originally Posted by Thai Dhupp View Post
    We went to get the temporary connection sorted. Here are the tariffs for reference. The builder chose 15/45 but its available up to 30/100 3-phase


    Quote Originally Posted by Thai Dhupp View Post
    The PEA engineer also offered to work out what load I might have once finished, and based on his calcs for a 24 cycle, advise me if I need to go for that 30/100 or stick with the 15/45...
    Hi Thai Dhupp

    A couple of questions if you don't mind.

    1. What do the two numbers represent? I know it relates to the current (amps), but why the 2 numbers? 15 (45) / 30 (100). If 15 amps, what is the (45)? If 30 amps, what is the (100)? Maximum or peak current?

    2. What is the "24 cycle"? 24 hours? 24 months? Something else?

    Thanks in advance.
    Last edited by Neverna; 10-02-2018 at 09:12 PM.

  2. #2
    Thailand Expat David48atTD's Avatar
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    Quote Originally Posted by Norton View Post
    Might have missed it but how long to finish?
    Quote Originally Posted by Jack meoff View Post
    About 75,000 pages I reckon
    True ... but the man has an eye for detail, is polite and responds to almost every post and ..

    ... there's fu8k all else going on the building Forum

    Go Thai Dhupp ... steadfast into the headwinds and all that.

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    Thai Dhupp's Avatar
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    Quote Originally Posted by David48atTD View Post
    True ... but the man has an eye for detail, is polite and responds to almost every post and ..

    ... there's fu8k all else going on the building Forum

    Go Thai Dhupp ... steadfast into the headwinds and all that.
    Cheers David... doing my best, while sitting at my day job work desk wishing I was there....

    Camp set up pix and cage building coming today, if i can find the time.

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    Quote Originally Posted by Neverna View Post
    Hi Thai Dhupp

    A couple of questions if you don't mind.

    1. What do the two numbers represent? I know it relates to the current (amps), but why the 2 numbers? 15 (45) / 30 (100). If 15 amps, what is the (45)? If 30 amps, what is the (100)? Maximum or peak current?

    2. What is the "24 cycle"? 24 hours? 24 months? Something else?

    Thanks in advance.
    Greetings from sunny Dubai, Neverna!. thanks for the 'stop-by'..

    OK I'm no electrician, but, as far as I know, the second number is the maximum rated load, and the first number is the calibration current (something to do with the accuracy of the meter) ..sorry I cant be more help and I have maybe got this wrong anyway.

    I believe the meters can handle up to 100% over the stated current, so 15/45 meter could handle up to 90A without blowing up. The fuse protection is usually set to about 50% over current so maxing it out in this example, at around 63A

    BTW..anyone... feel free to jump in n' tell me I am all wrong on this!!

    The '24' was indeed the 24 hours in a day cycle so we can determine the maximum requirements when more than one thing is running together.

    From that we will decide what the best supply is, and plan for it at the end of the build

    Hope that is some help...

  5. #5
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    Quote Originally Posted by Thai Dhupp View Post
    Greetings from sunny Dubai, Neverna!. thanks for the 'stop-by'..

    OK I'm no electrician, but, as far as I know, the second number is the maximum rated load, and the first number is the calibration current (something to do with the accuracy of the meter) ..sorry I cant be more help and I have maybe got this wrong anyway.

    I believe the meters can handle up to 100% over the stated current, so 15/45 meter could handle up to 90A without blowing up. The fuse protection is usually set to about 50% over current so maxing it out in this example, at around 63A

    BTW..anyone... feel free to jump in n' tell me I am all wrong on this!!

    The '24' was indeed the 24 hours in a day cycle so we can determine the maximum requirements when more than one thing is running together.

    From that we will decide what the best supply is, and plan for it at the end of the build

    Hope that is some help...
    Just keep in mind that Thai electricians tend to calculate maximum load as the absolute possible load that might occur. In reality, you will never have all electrical devices on at once, (all air cons, all lights, washing machine, water pump, water heater etc) and so a smaller. cheaper transformer is all that's needed.

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