grounding current 中文意思是什麼
grounding current
解釋
接地電流-
By using gpc grogram, the paper calculates the variety of grounding potential with different placements of grounding rods. on the basis of calculations and analysis, the model of grounding grids and current - electrode are presented
使用gpc接地軟體計算了各種接地體不同布置時地網外地面電位的變化，闡述了將不同布置情況的接地網等效為一以地網最大邊長為直徑的圓盤電極的理論。 -
But when fault was occurred, sometimes there would be great loss. for the reason, the paper put forward a microcomputer bus protection scheme suit for mv or lv power system with low current grounding based on the great researching about the working theory of current bus protections and the characteristic of mv or lv system with low current grounding. based on it, the paper has designed the platform of the hardware and the software programs
針對國內目前中、低壓電網大都未裝設母線保護裝置，發生故障不能及時切除時造成很大損失的狀況，本文在廣泛研究當前主流的母線保護動作原理並認真分析了中、低壓小電流接地系統特點的基礎上，提出了一套適合中、低壓微機母線保護裝置的研製方案，並據此選擇、搭建了硬體平臺，設計了軟體功能程序。 -
New designed auto tracing arc eliminating device based on this technique contents more technology, which has sample circuit, wide tuning scope, quick response and low noise. this paper firstly introduces neutral grounding histroy. by analyzing the syntony grounding theory, the transient and stable process of one - phase grounding fault, the threaten to secure run of power system and the importance of exact compensation for capacitive current are cognized
論文中首先介紹了中性點接地方式的發展過程，通過對諧振接地原理和單相接地故障的暫態、穩態分析，認識到接地故障對系統安全運行的危害，通過消弧線圈對接地電容電流的迅速準確補償是減小故障危害的最主要手段。 -
Structural reinforcing rods protect cable from excessive bending strain and compressive stresses, and the current transfer tab is designed for economical grounding by providing direct contact with opgw, accommodating a 1 2 " bolt and nut
光纜固定採用與光纜直徑相匹配的鋁管夾緊，防止夾傷光纜，根據需要，可安裝在桿塔的不同部位，安裝操作極為方便。 -
On the other side, measuring errors of grounding resistance and solution of current voltage electrodes reversing has been compared with horizontal two layers and vertical delaminating ( three layers soil )
比較分析了電流電壓極反向布置、在水平雙層和垂直分層或三層土壤結構中接地電阻測量的誤差和解決辦法。 -
Harm of sing - phase grounding current and compensate method
單相接地電流的危害及補償方法 -
An integrative device of single - phase grounding line selection and grounding current compensation in distribution network
配電網單相接地選線和接地電流補償一體化裝置 -
Small current grounding power system is a popular neutral grounding mode around the world and is widely used in our country
配電網中性點採用小電流接地在世界范圍內是一種較流行的接地方式，並在我國配電網中得到了廣泛應用。 -
Compare to the traditional current methods, this method is not only immune from neutral grounding modes, but also more bearable to interference
該方法與單獨採用電流的電流型方法相比，可靠性更高，且不受系統接地方式的影響，能適用於較復雜的網路結構。 -
The data from a typical small current grounding neutral system example validate the feasibility of the algorithms
並通過典型的10kv模擬算例驗證了該方法的可行性。 -
The data from the example of typical small current grounding neutral system validate the feasibility of the algorithms
通過典型的10kv模擬算例驗證了該方法的可行性。 -
Electronic co., ltd., a private hi - tech company, professionally makes and markets electronic instruments and gauges, such as digital torque tester, bottle cap torque tester, voltage resistance tester, grounding resistance tester, leakage current tester, insulation resistance tester and etc. lankers quality instruments and gauges are characterized by well - designed structure, high reliability and stability and outstanding performance and are well sold to users in the industries of home appliances, motorcycle, automobile, motor and pharmaceutical
市藍光電子有限公司是一家集科研生產銷售於一體的高科技民營企業，公司擁有雄厚的技術實力，以卓越的設計能力，完備的工藝控制和完善可靠的檢測手段，向用戶提供高性價比的電子測量儀器。主要產品有：數字扭力測試儀系列瓶蓋扭力測試儀系列耐電壓測試儀，接地電阻測試儀，泄漏電流測試儀，絕緣電阻測試儀等安規測試儀系列。 -
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。 -
The reasearch about both function device of compensate and line selection about single - phase grounding capacitire current for small current grounding system
小電流接地系統單相接地電容電流補償與選線雙功能裝置的研究 -
It includes four criterions of locating fault point ? “ transient zero sequence current amplitude law ”, “ stable base wave zero sequence current phase law ”, “ stable seventh harmonic zero sequence current phase law ” and “ s injection law ”. pointing out how the law locate the fault point to minimal fault section by applying these criterions gradually. the law will not only make up the blemishes existing in current methods for single - phase fault location in small current grounding system, but also locate the fault point to minimal fault isolating unit on fault line
該方法通過將所包含的四個定位判據- 「暫態零序電流幅值法」 、 「穩態基波零序電流方向法」 、 「穩態7次諧波零序電流方向法」和「 s信號注入法」 -進行有選擇地遞進使用，不僅有效彌補了目前已有小電流接地系統單相接地故障選線的缺陷，更將故障定位在故障線路最小故障區段。 -
At present, the small electric current method is widely used in the grounding measurements of ground grids in foreign countries
目前，國外接地網接地測量廣泛採用了小電流測試方法，這種方法測量精度高，但價格昂貴。 -
In the present grounding measurements in substations, the large electric current method is used to raise the ratio of signal to noise, but this method does not obviously decrease the measurement error. the test instruments are unwieldy, and it is easy to threaten personal safety
在現有變電站接地網接地測量中，採用大電流測試法來減小測量誤差，其消除干擾的效果並不理想，且此方法測量設備笨重，還可能危及人身安全。 -
The test instruments based on this method are highly precise, but costly. the author develops a grounding measurement system of substations based on the virtual instruments, which uses labview as the development software and adopts the small electric current method. the fft method is used to process the measurement data, which can decrease the measurement error
本文作者研製了基於虛擬儀器的變電站接地網接地測量系統，該系統以labview為軟體開發平臺，採用小電流測試法，並利用快速傅立葉變換方法對測試信號進行數字濾波處理，提高了該系統的信噪比。 -
Generally, single phase grounding fault can cause both high phase current and zero sequence current. proper grounding protection set can act reliably and cut off fault
一般地，單相短路將產生很大的故障相電流和零序電流，相應的接地保護裝置將能可靠動作從而將故障切除。
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