搜索關鍵詞:熱(re)電(dian)偶(ou),熱(re)電(dian)阻,雙(shuang)金(jin)屬溫(wen)度計,壓力表(biao),壓力變(bian)送器,磁翻(fan)板液位計
概括詳情:Q96-FTG 光柱式三(san)相(xiang)功(gong)率(lv)(lv)因數(shu)表嵌入(ru)安裝在(zai)船舶或(huo)其他移動電(dian)力設(she)備裝置上,測 量三(san)相(xiang)交流(liu)網(wang)絡中平衡或(huo)不平衡相(xiang)負載下(xia)的有功(gong)功(gong) 率(lv)(lv)。
Q96-FTG 光柱式三相功率因數表主要技術指標
精度(du)等級:1.5級 塑料外殼防護欄:按(an)IP22
上邊板尺寸圖:96 X 96mm,72 X 72mm倆種(zhong) 汽(qi)車儀(yi)表盤偏斜角:
Q72-FETC、Q96 —FETC: 90°
Q72-FTZ.Q96-FTZ: 240°
工作(zuo)電壓質因數轉成:Q96內(nei)附..Q72外附CVIOO-COS少 儀表盤標度(du)尺:白底灰(hui)色標尺,如需調節(jie)值可劃紅(hong)杠(gang)。
特殊頻段:50Hz,60Hz 儀盤表安(an)裝:用4個對角卡子放置(zhi) 室(shi)內環境體(ti)溫范圍圖:一(yi) 25~55 °C
重 量(liang): Q72 - FETC, Q96- FETC:0.25kg
Q72 - FTZ、Q96 — FTZ:0.30kg
CV100-COS 0:0.65kg
結構原理
儀表(biao)采用(yong)相位差(cha)轉(zhuan)換(huan)成電(dian)壓信號.將U-I相位差(cha)變換(huan) 為:DC 0~3號,驅動測量機構(gou),指示相應(ying)的功率因數(shu)。
相位差-電流調節集成運放用于內附或外附,其方框圖如 下。被(bei)測電(dian)(dian)(dian)(dian)壓(ya)(ya)由(you)電(dian)(dian)(dian)(dian)阻分壓(ya)(ya),斬波器變(bian)為矩形(xing)波,被(bei)測電(dian)(dian)(dian)(dian)流及 互感器,取樣電(dian)(dian)(dian)(dian)阻后(hou),經移相,斬波后(hou)也變(bian)為矩形(xing)波,兩信(xin)號(hao) U、I送人異或門,使脈沖寬度與電(dian)(dian)(dian)(dian)壓(ya)(ya)電(dian)(dian)(dian)(dian)流相位差(cha)成比例,此 信(xin)號(hao)經積分,放大和線性調整電(dian)(dian)(dian)(dian)絡輸(shu)出DC 0 ~3號(hao),供 測量機構指(zhi)示。穩(wen)壓(ya)(ya)電(dian)(dian)(dian)(dian)路取自被(bei)測電(dian)(dian)(dian)(dian)壓(ya)(ya).經整流濾波穩(wen)壓(ya)(ya) 后(hou),輸(shu)出± 12V,供各(ge)電(dian)(dian)(dian)(dian)路工(gong)作。
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