liew_mic

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  • 2010/12/24 at 5:33 am in reply to: Power factor correction kvar policy in countries #11700
    liew_mic
    Participant

    I am mic from singapore.

    our Power factor (cosQ) 0.85, if below than that, owner have to responsible for the electical bill.because our electrical from 22kv/6.6kv is purchase from company instead of government. in many matter to increase the power factor equal to 1.

    2010/12/23 at 4:52 pm in reply to: what is harmonics? #11698
    liew_mic
    Participant

    can please descripe it in graph format? more detail.

    thanks,

    why from 50hz/60hz sudden increse to 120hz or 180hz?infact this situation only happen in office area? because of the computer or digital eqiupment? cause i worksite (shopping complex) happen once with this problem. trip without any reason.

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