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EPW型有功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)(lv)(lv)變(bian)(bian)送(song)器(qi)、EPK型無功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)(lv)(lv)變(bian)(bian)送(song)器(qi)及EPWK型有功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)(lv)(lv)/無功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)(lv)(lv)組合式變(bian)(bian)送(song)器(qi)，是一種能(neng)將被測(ce)有功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)(lv)(lv)和(he)無功(gong)(gong)(gong)功(gong)(gong)(gong)率(lv)(lv)(lv)轉換(huan)成直(zhi)流(liu)(liu)輸(shu)出(chu)的儀器(qi)，其轉換(huan)成的直(zhi)流(liu)(liu)電流(liu)(liu)或(huo)電壓為線性比例輸(shu)出(chu)，并能(neng)反映出(chu)被測(ce)功(gong)(gong)(gong)率(lv)(lv)(lv)在線路中的傳(chuan)輸(shu)方向(xiang)。它們(men)適用于頻率(lv)(lv)(lv)為50Hz、60Hz及特殊(shu)頻率(lv)(lv)(lv)的各(ge)種單、三(san)相(平衡或(huo)不(bu)平衡)線路，配以適當(dang)的指示(shi)儀表或(huo)裝置(zhi)，可(ke)廣泛地應(ying)用發電廠和(he)輸(shu)變(bian)(bian)電系(xi)統及其它對功(gong)(gong)(gong)率(lv)(lv)(lv)測(ce)量要(yao)求(qiu)較高的場所。

EPW型有功(gong)功(gong)率(lv)變送器、EPK型無(wu)功(gong)功(gong)率(lv)變送器及(ji)(ji)EPWK型有功(gong)功(gong)率(lv)/無(wu)功(gong)功(gong)率(lv)組合式(shi)變送器，是一種(zhong)能將被測有功(gong)功(gong)率(lv)和(he)無(wu)功(gong)功(gong)率(lv)轉(zhuan)換(huan)(huan)成直流輸(shu)出(chu)的(de)(de)儀(yi)(yi)器，其轉(zhuan)換(huan)(huan)成的(de)(de)直流電(dian)(dian)流或(huo)電(dian)(dian)壓(ya)為線性比例輸(shu)出(chu)，并能反映出(chu)被測功(gong)率(lv)在(zai)線路(lu)中的(de)(de)傳輸(shu)方(fang)向。它們適(shi)用(yong)(yong)于(yu)頻率(lv)為50Hz、60Hz及(ji)(ji)特殊頻率(lv)的(de)(de)各種(zhong)單、三相（平(ping)衡(heng)或(huo)不平(ping)衡(heng)）線路(lu)，配以(yi)適(shi)當(dang)的(de)(de)指示儀(yi)(yi)表或(huo)裝置，可廣泛(fan)地應用(yong)(yong)發電(dian)(dian)廠和(he)輸(shu)變電(dian)(dian)系(xi)統及(ji)(ji)其它對(dui)功(gong)率(lv)測量(liang)要求較高的(de)(de)場所。

交流負(fu)序(xu)電(dian)(dian)流、交流負(fu)序(xu)電(dian)(dian)壓(ya)(ya)變送器是一(yi)種(zhong)能將被測三相電(dian)(dian)路中的負(fu)序(xu)電(dian)(dian)流/負(fu)序(xu)電(dian)(dian)壓(ya)(ya)轉換成線性比例輸出直(zhi)流電(dian)(dian)流或(huo)電(dian)(dian)壓(ya)(ya)的儀器。配以(yi)相應的批示(shi)儀表(biao)或(huo)裝置，可在電(dian)(dian)力(li)系統三相電(dian)(dian)路中實現(xian)對負(fu)序(xu)電(dian)(dian)流、負(fu)序(xu)電(dian)(dian)壓(ya)(ya)的測量(liang)。

GPWH型有(you)(you)功(gong)(gong)電(dian)(dian)能(neng)(neng)(neng)變(bian)送器(qi)(qi)、GPKH型無(wu)功(gong)(gong)電(dian)(dian)能(neng)(neng)(neng)變(bian)送器(qi)(qi)是一(yi)種測量有(you)(you)功(gong)(gong)、無(wu)功(gong)(gong)電(dian)(dian)能(neng)(neng)(neng)的(de)(de)儀器(qi)(qi)，GPWWH型有(you)(you)功(gong)(gong)功(gong)(gong)率(lv)/有(you)(you)功(gong)(gong)電(dian)(dian)能(neng)(neng)(neng)、GPKKH型無(wu)功(gong)(gong)功(gong)(gong)率(lv)/無(wu)功(gong)(gong)電(dian)(dian)能(neng)(neng)(neng)組(zu)合式變(bian)送器(qi)(qi)是一(yi)種既能(neng)(neng)(neng)測量有(you)(you)功(gong)(gong)（或無(wu)功(gong)(gong)）電(dian)(dian)能(neng)(neng)(neng)的(de)(de)具有(you)(you)雙(shuang)重功(gong)(gong)能(neng)(neng)(neng)的(de)(de)儀器(qi)(qi)，是電(dian)(dian)能(neng)(neng)(neng)計量、節能(neng)(neng)(neng)自動化和計算機電(dian)(dian)費結算的(de)(de)配套儀器(qi)(qi)。

EPF型涵(han)普頻(pin)率(lv)變送器，采(cai)用(yong)(yong)電(dian)子線路，以石(shi)英(ying)晶體產生標準(zhun)頻(pin)率(lv)，將與輸(shu)入頻(pin)率(lv)進行(xing)比較后的差轉換成直(zhi)流模擬電(dian)量(liang)輸(shu)出。使(shi)(shi)用(yong)(yong)石(shi)英(ying)晶體和(he)無漂移數字電(dian)路，使(shi)(shi)本準(zhun)確(que)度(du)高，溫度(du)性能好，工作穩定可(ke)靠。

FPW 有(you)功(gong)(gong)功(gong)(gong)率(lv)(lv)變(bian)送器(qi)、FPK型(xing)無(wu)功(gong)(gong)功(gong)(gong)率(lv)(lv)變(bian)送器(qi)及(ji)FPWK型(xing)有(you)功(gong)(gong)功(gong)(gong)率(lv)(lv)/無(wu)功(gong)(gong)功(gong)(gong)率(lv)(lv)組(zu)合式變(bian)送器(qi)，是一種(zhong)(zhong)能(neng)將(jiang)被(bei)測有(you)功(gong)(gong)功(gong)(gong)率(lv)(lv)和無(wu)功(gong)(gong)功(gong)(gong)率(lv)(lv)轉換成(cheng)直流輸(shu)出(chu)的(de)儀(yi)器(qi)，其(qi)轉換成(cheng)的(de)直流電(dian)流或(huo)電(dian)壓為線(xian)性比例輸(shu)出(chu)，并能(neng)反映出(chu)被(bei)測功(gong)(gong)率(lv)(lv)在線(xian)路(lu)中的(de)傳輸(shu)方向。它(ta)們適(shi)用于頻率(lv)(lv)為50Hz、60Hz及(ji)特(te)殊頻率(lv)(lv)的(de)各(ge)種(zhong)(zhong)單(dan)、三(san)相（平衡(heng)或(huo)不平衡(heng)）線(xian)路(lu)，配以(yi)適(shi)當的(de)指示儀(yi)表或(huo)裝(zhuang)置，可廣泛地應用發電(dian)廠和輸(shu)變(bian)電(dian)系統及(ji)其(qi)它(ta)對功(gong)(gong)率(lv)(lv)測量要求較高(gao)的(de)場所。