three-wire system 中文意思是什麼
three-wire system
解釋
三線系統-
Tri - phase three - wire system tri - phase four - wire system
三相三線制儀表接線圖 -
Tri - phase three - wire system current instrument wiring diagram
三相三線制電流儀表接線圖 -
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。 -
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 , -
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 。 -
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。 -
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。 -
50hz 380v three phrase, four - wire system
50hz 380v三相四線制 -
Tri - phase three - wire system voltage instrument wiring diagram
三相三線制電壓儀表接線圖 -
16080, 80160 instrument wiring diagram tri - phase three - wire system
80160 16080儀表接線圖三相三線制 -
Three - wire insulated neutral system
中點絕緣三線制 -
Three phase three - wire system
三相三線制 -
Three - phase three - wire system
三相三線制 -
Two phase three - wire system
二相三線制 -
This paper analyses the reason that neutral voltage is not zero when linear three - phase system load connects to three - phase three - wire system source in y connection. the resolution is also given
摘要分析了線性三相負載y聯接在三相三線制電源時,中點電位不為零的原因,並通過計算進行了驗證,給出了解決的方法。 -
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。 -
Collective control system of multistage fan stations using three two - wire system models
三種二線制模塊化多級機站集中控制系統 -
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 -
Three phase three wire system
三相三線制 -
Two phase three wire system
雙相三線制
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