watthour meter 中文意思是什麼
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Screw driver bit with finder sleeves for watthour meter
電度表用帶導入套的旋具頭 -
Watthour meters in moulded insulation case without instrument transformers, up to 60 a rated maximum current ; principal dimensions for meter terminal cover for poly - phase meters
安裝在最大額定電流可達60 a的無儀表變壓器模壓絕 -
Watthour meters in moulded insulation case without instrument transformers, up to 60 a rated maximum current ; principal dimensions for meter terminal cover for single - phase meters
安裝在最大額定電流可達60 a的無儀表變壓器模壓絕 -
Three phase induction type watthour meter
三相感應式電度表 -
Motor type watthour meter
電動機型瓦時計 -
Requirements for watthour meter sockets
電度表插座技術要求 -
Electric power - distribution equipment for production workstations for film and television - part 2 : current watthour meter zk
電影和電視製作室用配電裝置.第2部分:電流瓦時計zk -
This thesis analyses the present situation of energy metering in bishan network and some network at home, main factors which lead to inaccuracy of energy metering are dissected and the severity degree are pointed out. the method of enhancing accuracy of metering using modern technique are put forward which including : 1 ) modernization of meter, replacing the induction watthour meter with full electronic watthour meter ; 2 ) put real time change of mutual inductor ratio of transformation into consideration, method on real - time computation are presented. 3 ) using full electronic watthour meter to measure fundamental power and harmonic power separately and discussing idea of billing on harmonic
這些方法包括： 1 ）計量儀表的現代改造，用全電子式電能表代換感應式電能表； 2 ）計及互感器變比的實時變化，對互感器的變比進行實時模擬計算，並提出了實時計算的方法； 3 ）用全電子式電能表對基波電能與諧波電能分別計量，並討論了對諧波電能計費的觀點。 -
The product meets the requiements of gb t17215 - 98 grade 1 and 2 stativc ac active watthour mete and gb t12584 - 94 multirate time sharing watt - hour meter. main characteristics
1 .晶元液晶顯示器及晶振等器件選用工業能產品，壽命長性能好。
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