(一)概述
EPWH型有功電能變送器、EPKH型無功電能變送器是一種測(cè)量有功、無功電能的儀器,EPWWH型有功功率/有功電能、EPKKH型無功功率/無功電能組合式變送器是一種既能測(cè)量有功(或無功)電能的具有雙重功能的儀器,是電能計(jì)量、節(jié)能自動(dòng)化和計(jì)算機(jī)電費(fèi)結(jié)算的配套儀器。
EP系列電能變送器技術(shù)指標(biāo)*符合JJG 596-89《電子式電能表》的要求,相對(duì)誤差小于0.5%,且具有優(yōu)異的溫度特性和*穩(wěn)定性,配以電能顯示記錄裝置,既能用于電網(wǎng)調(diào)度系統(tǒng),又是理想的固態(tài)電能表。該變送器適用于頻率為50Hz、60Hz及特殊頻率的單相、三相(平衡負(fù)載和不平衡負(fù)載)線路,電能以光耦電極開路或斷電器接點(diǎn)二種形式脈沖輸出,以適應(yīng)不同的RTU和電能記錄裝置。數(shù)字量輸出與輸入被測(cè)量的有功(或無功)電能相對(duì)應(yīng),輸出引線是四根線,雙向數(shù)字輸出正、負(fù)兩個(gè)方向的電能量。
(二)型號(hào)、規(guī)格
EPWH201---三相三線有功電能變送器
EPKH201---三相三線無功電能變送器
EPWWH201---三相三線有功功率/有功電能組合變送器
EPKKH201---三相三線無功功率/夫功電能組合變送器
*EP系列電能變送器有功電能/無功電能準(zhǔn)確度:1.0%相對(duì)誤差
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