接地電抗 的英文怎麼說
中文拼音 [jiēdediànkàng]
接地電抗
英文
earthing reactance- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 抗 : Ⅰ動詞1 (抵抗; 抵擋) resist; combat; fight 2 (拒絕; 抗拒) refuse; defy 3 (對等) contend with...
- 接地 : [電學] landing; body; ground connection; electrical grounding; grounding; earthing; earth; ground...
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Furthermore, problems easy to make mistake are demonstrated, for instance, grounding resistance of large grounding grid is impedance
研究論證了被一些研究者錯誤理解的關于大型地網接地電阻是阻抗、四極法及其倒相法測量結果為阻抗等問題。This bus wire connect the long - distance equipments in system and control equipment of other manufacturer. especially, the adoption of control word used in communication and control reduced the quantity of control cable, also. the good treatments of grand and protection has a every strong capability of anti - jamming
該總線通過相應的通訊模塊,與系統內的遠程控制設備以及其他廠商的單機控制設備相連,採用控制字的方式進行通訊和控制,可節約大量控制電纜,並且通過良好的接地處理和保護,具有極高的抗干擾能力。Electrical safety in low voltage distribution systems up to 1000 v a. c. and 1500 v d. c. equipment for testing, measuring or monitoring of protective measures - resistance of earth connection and equipotential bonding
不超過交流1000v和直流1500v的低壓配電系統電氣安全性.防護測試測量或監測設備.接地和等勢屏蔽接地阻抗The characteristics : the unit is composed of high voltage parallel capacitor, serial reactor, switch ( disconnector, grounding switch, breaker etc. ), lightning arrestor, fuse, discharging coil, current transformer, insulator, busbar and steel bracket, includes two kinds of structure : frame type and cabinet type
產品特點:裝置由高壓並聯電容器、串聯電抗器、開關(隔離開關、接地開關、斷路器等) 、避雷器、熔斷器、放電線圈、電流互感器、絕緣子、母排和鋼架組成,裝置有框架和櫃式兩種結構。The model considers peak value of lightning current, tower grounding resistance, tower style, line surge impedance, power frequency voltage and distance between towers
模型中考慮了雷電流幅值、桿塔沖擊接地電阻、桿塔具體形狀、尺寸、桿塔波阻抗、工頻電壓及檔距等因素的影響。Manufacturer of high voltage resistors, power and precision resistors, high voltage dividers, hybrid circuits, resistor networks, pressure and force sensors and load cells
-生產ai - 6000自動抗干擾精密介質損耗測量儀,氧化鋅避雷器測試儀,地網接地電阻測試儀,油介損電阻率測量儀。By analyzing the inerference in power plant in view of dcs ( distrbuted control system ) used in power plant, the hardware technics of anti - interference, including isolating, screening, grounding, balance and power distribution and the software technics of anti - interference in microcomputer monitoring and control system of power plant are introduced simultaneously
以分散控制系統為例,分析了火電廠中的干擾,介紹了火電廠微機監控系統中的抗干擾技術,包括隔離、屏蔽、接地及電源干擾的抑制等,同時介紹了軟體抗干擾技術。Guide for measuring earth resistivity, ground impedance, and earth surface potentials of a ground system
接地系統的接地電阻率,接地阻抗及地表電位的測量指南Designers and registered electrical workers may be uncertain whether conductive parts such as metallic bathroom accessories, metallic windows or metallic door handles are extraneous conductive parts. when difficulties are encountered, you may carry out a measurement as illustrated in figures 4 and 5. in figure 4, a is an exposed conductive part with a resistance rcpc to main earthing terminal
附圖四載列外露非帶電金屬部分a及懷疑為非電氣裝置金屬部分b (例如是金屬水喉管或木門的金屬手柄) , a對總接地終端的阻抗為rcpc , b對地的阻抗為rx 。For the improvement of reliability and stability of the whole apparatus, meanwhile, for eliminating various electric - magnetic disturbance within the power supply and ground, measures such as filter, grounding, shielding are all taken in technique. the special methods are lc filter for power supply, bypass capacitor for suppressing voltage surge in printed circuit board, shielding layer wrapped in sensor head and overall grounded
通過採用合理的濾波、接地、屏蔽等各種方法,尤其是採用電源lc濾波電路、電源上加旁路電容抑制線路板上的電壓波動、傳感頭加屏蔽層、傳感頭總體接地結構等多種抗干擾辦法,減小了電源和地線上的各種電磁干擾,保證了系統的穩定性和可靠性。Guide for measuring earth resistivity, ground impedance, and earth surface potentials of a ground system part 1 : normal measurements
接地系統的土壤電阻率接地阻抗和地面電位測量導則第1部分:常規測量At last, we analyze the primary disturbance, we adopted some measures to obtain high stability and to enhance the system ' s anti - jamming ability. at the end of the thesis, there are some test results of the system
又分析了機車內的主要干擾源,並提出了設計中應用到的一些抗干擾措施,如良好接地,信號光電隔離,電容濾波,隔離電源等以增加了系統的工作可靠性。Have studied generator ground model mostly used in detail for middle and big domestic generator units. calculates and deduces fault current as grounding of single phase and third harmonic fault protection schemes. first time contributes overall knowledge about generator neutral grounding of distribution transformer with secondary resistor, in which considered inductance of the transformer to people
針對大中型發電機的兩種主要接地方式進行了分析,進行了接地故障電流、三次諧波保護的計算推導,首次在接地變高阻接地方式有關公式推導中計入接地變感抗,從而使人們對接地變高阻接地認識更為全面。A pulldown resistor to the negative rail will allow the output to approach that rail ( provided the load impedance is high enough, or is also grounded to that rail ), but only slowly
一個下拉電阻器將允許輸出迫近迫近該電源軌(所提供的負載阻抗足夠高,或負載也是接地的) ,但這樣速度較慢。By analyzing the refraction 、 reflection process of fault transient current traveling wave of high voltage and characteristics of refraction 、 reflection coefficient systematically, a new fault location method of single ended traveling wave is presented. it can not only identify the reflection wave for fault location efficiently, but also not be affected by the structure and length of line. fault earthed resistance 、 fault type 、 system impedance and can locate fault in adjacent areas accurately
論文深入地分析了高壓線路故障暫態電流行波的波折、反射過程以及折、反射系數的特點,提出了新的單端行波故障測距方法,它不僅能夠有效地識別出測距所用的反射波,而且幾乎不受線路結構、長短、故障接地電阻、故障類型、系統阻抗的影響,在近區仍可以準確地進行測距;同時模擬阻波器的特徵,設計了低通數字濾波器,對通過了低通數字濾波器的暫態故障電流行波再次進行小波分析,並利用本文提出的單端行波故障測距方法進行故障定位,結論是所提出的測距方法在實際應用中仍是有效的。Recurring to rnathematic figure and examples and aiming at such questions as unbalanced current and induced voltage and high frequency interference, this paper has not only researched anti - jamming ability and measuring process of both three - electrode method and four - electrode method which are combined with reverse phase method, but also summarized actual measuring experiences
通過數學推導和實例,圍繞消除地網不平衡電流、電壓極電流極引線問互感電壓、高頻干擾等問題,分析了三極法、四極法結合倒相法測量接地電阻的抗干擾能力和測量過程,並總結了實際測試經驗。The machine contain main functions of four testing apparatus, it can automatic test leaking current, grounding electric resistance, dielectric intensity, resting voltage and print testing data
詳細說明具備四種測試儀的全部主要技術性能,可連續自動測試漏電流、接地阻抗、電介質強度、剩餘電壓。可列印測試數據。The auhor develops the user - defined dynamic phasor models of all the above devices with the user - defined function of power system analysis software package ( psasp ) of epri, china, including traditional power components such as generator, transmission line, transformef, fixed series capacitor ( fsc ), grounding reactor, etc., and new type power devices including thyristors like tcsc, hvdc, svc and smcom, thus realizes time - domain simulation for sso large signal stability analysis and realizes sso small signal stability analysis further through the linearization platform of psasp
作者利用電力系統分析綜合程序( psasp )的自定義建模功能,建立了電力系統基本元件(如發電機、輸電線、電容器、接地電抗器等)及含晶閘管等電力電子元件的新型電力系統裝置( tcsc 、 svc 、 hvdc及statcom )的動態相量自定義模型,從而通過psasp實現了sso問題的大幹擾穩定的時域模擬計算,並進而通過該程序的小干擾線性化平臺實現了sso問題的小干擾穩定分析。For fire grounding, grounded impedance varies greatly because of air dissociation, and this causes protection set to startup and resume again and again. therefore, the main protection of the fault line ca n ' t cut off the fault quickly and accurately, and may lead to overstep tripping of near lines " protection sets and eventually cause more serious faults on the power system
同時故障電流一般比較小,電流突變也很小,有時呈緩慢上升的變化趨勢,對火焰接地來說,由於空氣游離的緣故,接地阻抗變化很大,使現有保護反反復復啟動、恢復,可能會導致相鄰線路、設備的保護越級跳閘,使電力系統出現更嚴重的故障。The criteria used by such software are more closely related to " node " theory and aesthetically pleasing rows of components ( which, admittedly, are also easier on automatic component placing machinery ) than to optimizing stray inductance and capacitance and minimizing common ground impedance
這類軟體的演算法十分接近「節點」理論,在元器件布局方面追求「橫平豎直」式的美觀大方(顯然,對于自動布局演算法而言這樣也比較容易) ,但是卻不怎麼考慮如何優化分佈電感和分佈電容,如何降低器件的接地阻抗。分享友人