four wire three phase 中文意思是什麼

four wire three phase 解釋
三相四線
  • 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...
  • three : n. 1. 三個人[東西]。2. 三歲，三時。3. 【板球】3字型。
  • phase : n 1 形勢，局面，狀態；階級。2 方面，側面。3 【天文學】（月等的）變相，盈虧；【物、天】相，周相，...
  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. Tri - phase three - wire system tri - phase four - wire system

    三相三線制儀表接線圖
  3. 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。
  4. 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 ，
  5. 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 。
  6. 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。
  7. 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。
  8. 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。
  9. Based on the research on one - cycle control theory, one - cycle control is applied to three - phase four - wire apf with four - leg in this paper. analysis for the average model of the apf in switching period is performed and the control equation is derived

    本文在研究單周控制理論的基礎上，將單周控制用於四橋臂三相四線制有源電力濾波器，通過分析其開關周期平均模型，推導出它的控制方程。
  10. Wiring of measuring three - phase three - wire power energy with three - phase four - wire energy meter

    三相四線電能表計量三相三線電路電能的接線討論
  11. The generators are of three - phase four - wire type, making use of star connection with neutral point. the rated line voltage is 400v. phase voltage 230v. frequency 50hz, power factor 0. 8 ( lag ). it can provide 60hz and the other voltage ' s generator according to necessary

    本發電機為三相四線制，採用帶有中性點的星接法，額定電壓為400伏，相電壓為230伏，頻率50赫，功率因素0 . 8 （滯后）根據用戶需要，也可提供60赫及其它電壓值的發電機。
  12. The new standpoint that ip - iq detecting method based on three - phase three - wire system can be directly used in three - phase four - wire system is presented and proved. generalized harmful currents compensation based on multilevel converter and multi - band hysteresis pulse width modulation with timer are presented

    提出並證明了基於三相三線制系統的ip - iq檢測法可直接用於不平衡三相四線制系統有害電流的檢測，無需事先剔除零序電流的新觀點。
  13. Main circuit structure and control of the active power filter for three - phase four - wire system

    三相四線制有源電力濾波器主電路的結構形式與控制
  14. Research of harmonic current detect methods in three - phase four - wire system

    三相四線制系統中諧波電流實時檢測的研究
  15. Three - phase four - wire system

    三相四線制
  16. Three phase four - wire system

    三相四線制
  17. This paper brings forward that asvg is capable of compensating harmonic, negative sequence and zero sequence currents. so asvg can synchronously compensate the reactive current and harmful currents in three - phase four - wire unbalanced system

    本文提出靜止無功發生器還具有抑制諧波和濾除負序、零序電流的能力，從而可以用於對三相四線制不平衡系統同時進行無功補償和有害電流濾除。
  18. Study on mathematical model and lyapunov - based control for three - phase four - wire three - level npc voltage - source rectifier

    整流器雙環控制技術及中點電壓平衡控制技術的研究
  19. Three phase four wire system

    三相四線制
  20. Tri - phase ac voltage display control instrument ; three screen digital display ; outline dimension 80160mm ; rs - 485 standard serial communication ; tri - phase four - wire system connection mode ; switch power supply ; input voltage 0400v ; display 0400v ; tri - phase high limit alarm. 2

    三相交流電壓顯示控制儀:三屏數字顯示;外形尺寸80160 ; rs - 485標準串列通訊;三相四線制接線方式開關電源供電輸入電壓0400v顯示0 400v三相上限報警。
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