Electricity Monitor 要點裝

依隻野,個原理係咪夾住條火線去度電流?
要在總制箱落手?


 

只度電流, 計唔到TRUE POWER. 計唔到power factor, 即是計唔到電費.

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只度電流, 計唔到TRUE POWER. 計唔到power factor, 即是計唔到電費.
jwong852 發表於 2015-10-21 18:18



    通常呢D野係要插一只AC AC隔離降壓牛來供電主機外也可用作計算PF值及功率,我之前的DIY Project也是用這方法去計算PF

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通常呢D野係要插一只AC AC隔離降壓牛來供電主機外也可用作計算PF值及功率,我之前的DIY Project也是 ...
Offer 發表於 2015-10-21 23:25



有度埋電壓, 度到instantaneous VA, after integration, 就計到True Power.

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依隻野,個原理係咪夾住條火線去度電流?
要在總制箱落手?


 
TH30 發表於 2015-10-21 17:56



    冇錯,要度全屋用電量便要夾在總綫上

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有度埋電壓, 度到instantaneous VA, after integration, 就計到True Power.
jwong852 發表於 2015-10-22 11:02



    不過呢件野係用乾電池所以只可度到電流冇電壓及PF,可惜可惜

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