four wire 中文意思是什麼

four wire 解釋
四線制的
  • four : n 1 四人小組；（套在車上的）四匹馬。2 四的記號；（骰子的）四點；（鐘點的）四時；四歲。3 〈pl 〉 ...
  • wire : n 1 金屬線，銅絲，鐵絲，鋼絲；【電學】導線；線路；金屬絲網；【造紙】抄網。2 電信；〈口語〉電報。3...
  1. The three - phase four - wire circuit should be adopted for the outgoing cable used by user, the earth wire should be installed, and the connection wire should be stable, safe, and reliable

    用戶使用的引出電纜線，應採用三相四線形式，應安裝接地線，接線應牢固，安全可靠。
  2. A circuit arrangement for deriving a phantom circuit. in four wire circuits, the two wires associated with the " go " channel form one " side circuit ", and those associated with the " return " channel form another

    用來派生一個幻象電路的電路結構。在四線電路中，與「去程」通道相關聯的兩線就形成了一個「半邊電路」 ，而與「回程」通道相關聯的兩線構成了另一個「半邊電路」 。
  3. Tri - phase three - wire system tri - phase four - wire system

    三相三線制儀表接線圖
  4. 9696 tri - phase four - wire system instrument wiring diagram

    9696三相四線制儀表接線圖
  5. 16080, 80160 tri - phase four - wire system instrument wiring diagram

    三相四線制儀表接線圖
  6. This paper describes mainly system functions, measuring methods, circuit design, software program and errors analysis of a new type of measuring instrument. this instrument can measure and monitor electric parameters in single - phase circuits, three - phase ( three - wire or four - wire ) circuits. this system can be applied to electric devices and power plants, transformer substations with harmonic pollution. it can measure current, voltage, power, energy, frequence, power factor etc. it also can detect load quality, phase sequence, alarm, display and print results, as well as detect and dispose negative power

    該儀器適用於含有諧波污染情況下的機電設備現場、發電廠、供電局、企業變電所現場，可用來測量電流、電壓、有功功率、無功功率、視在功率、有功電能、無功電能、視在電能以及頻率和功率因數等電參數，並具有負載性質（感性、容性）判別，正、逆相序判別指示功能；超限報警功能；列印記錄功能和負功檢測及處理功能。
  7. Three phase ac reactive power display control instrument ; single screen digital display ; outline dimension 16080mm ; no communication interface ; no transmit output ; three - phase four - wire system connection mode, high limit alarm low limit alarm ; switch power supply ; input voltage 0380v ; input current 05a, display reactive power 0114. 0k var

    三相交流無功功率顯示控制儀:單屏數字顯示外形尺寸16080無通訊介面無變送輸出三相四線制接線方式，上限報警下限報警開關電源供電輸入電壓0 380v ，輸入電流0 5a ，顯示無功功率0 114 . 0kvar ，
  8. Three phase ac active power display control instrument ; single screen digital display ; outline dimension 16080mm ; no communication interface ; no transmit output ; three - phase four - wire system connection mode ; high limit alarm low limit alarm ; switch power supply ; input voltage 0380v ; input current 05a ; display active power 0114. 0kw. 2. wp - le3q - c2004hlt 380v 380v, 100a 5a

    三相交流有功功率顯示控制儀單屏數字顯示外形尺寸16080無通訊介面無變送輸出三相四線制接線方式;上限報警下限報警開關電源供電，輸入電壓0 380v ;輸入電流0 5a ;顯示有功功率0 114 . 0k w 。
  9. Ac tri - phase active electric energy display control instrument ; double screen digital display ; outline dimension 16080 mm ; no communication interface ; no transmit output ; tri - phase four - wire connection mode ; high limit alarm lower limit alarm ; switch power supply ; input voltage signal 0 100v ; input current signal 05a ; active power display 0120. 0 kw, active electric energy display 099999999999999 kwh. 1

    交流三相有功電能顯示控制儀雙屏數字顯示外形尺寸16080無通訊介面無變送輸出三相四線制接線方式上限報警下限報警開關電源供電輸入電壓信號0 100v輸入電流信號0 5a有功功率顯示0 120 . 0kw ，有功電能顯示0 9999999999999kwh 。
  10. Ac tri - phase reactive electric energy display control instrument ; double screen digital display ; outline dimension 16080 mm ; no communication interface ; no transmit output ; tri - phase four - wire system ; high limit alarm lower limit alarm ; switch power supply ; input voltage signal 0380v ; input current signal 05a ; reactive power display 0114. 0kw active electric energy display 09999999999999kwh

    交流三相無功電能顯示控制儀雙屏數字顯示外形尺寸16080 ;無通訊介面無變送輸出三相四線制上限報警下限報警開關電源供電輸入電壓信號0 380v輸入電流信號0 5a無功功率顯示0 114 . 0kw ;有功電能顯示0 9999999999999kwh 。
  11. Based the simplest solutions of control equations, one - cycle controller for the three - phase four - wire apf with four - leg is presented

    基於控制方程的最簡解，建立了單周控制四橋臂三相四線制有源電力濾波器的電路模型。
  12. A four - wire ratiometric measurement technique is employed

    它應用了四線比值測量技術。
  13. A two wire system then requires two twisted pair, and a four wire system requires three twisted pair

    一個二線制系統兩個雙絞雙絞線對，一個四線制系統需要三個雙絞線對。
  14. In the situation of using mass electric energy or three - phase four - wire system, the three - phase static inverter must be adopted

    在用電量大或需要三相四線制供電的場合，需要採用三相靜止變流器。
  15. The deposited cu - mgf2 cermet films were analyzed by xrd, ed, tem, ir, uv, ellipsometry and temperature - varied four - wire technique

    用ir 、 uv及橢圓偏振光譜技術測量分析樣品從紅外-近紫外波段的透射、吸收及反射光譜特性。
  16. Three - phase four - wire apf with one - cycle control need not sense the three phase load currents or the three phase voltages, need not calculate the harmonics and reactive current components, as well as the use of any multipliers

    單周控制三相四線制有源電力濾波器不需要檢測三相負載電流和三相電源電壓，不需要檢測諧波和無功電流，也不需要使用任何乘法器。
  17. Is the device configured for two wire or four wire systems

    設備是配置為二線制或四線制的系統嗎
  18. 16080, 80160 instrument wiring diagram tri - phase four - wire system

    80160 16080儀表接線圖三相四線制
  19. 50hz 380v three phrase, four - wire system

    50hz 380v三相四線制
  20. Tri - phase ac active, reactive power meter ; double screen digital display ; outline dimension 16080 mm ; tri - phase four - wire system ; switch power supply ; voltage input 0100v ; current input 05a ; active display 7500w ; reactive display 7500var

    三相交流有功無功功率表;雙屏數字顯示;外形尺寸16080三相四線制;開關電源供電電壓輸入0 100v電流輸入0 5a有功顯示7500w無功顯示7500var 。
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