overhead circuit 中文意思是什麼
overhead circuit
解釋
架空迴路-
Initial recovery voltage and peak recovery voltage across the circuit - breaker have an essential affect on re - strike. for assessing performance of circuit - breaker, the higher inductance and lower inductance must be considered at the same time when testing according to theoretic analysis, the directly test circuit on switching the no - load overhead by high - voltage circuit breakers of rated voltage 252kv and below, in compliance with the correlative standard jb5871 and the test devices, and the test circuit parameters have been calculated and the many testes have been carried out
在理論分析的基礎上，考慮實驗室現有設備的情況依據標準jb5871的規定，選用合適的試驗設備，對試驗線路的參數進行計算，在實驗室建立了252kv及以下電壓等級斷路器開合線路充電電流直接試驗線路，利用該線路進行了數臺產品的試驗，分析了試驗結果，並根據試驗結果和理論基礎討論了gb t1984 - 200 《交流高壓斷路器》 （報批稿）關于開合線路充電電流試驗的有關規定。 -
When switching the no - load overhead lines by alternating - current high - voltage circuit breaker which is a kind of daily operations in electric power system, over - voltage is probably bringed out and insulating property of the electric devices is breakdowned sometimes, especially, when occuring re - strike. the main purposes that the tests on switching line - charging current are performed in the laboratory are assessing re - strike performance of circuit - breakers. according to the test results, the design of the circuit - breaker is optimized and re - strike performance is improved
交流高壓斷路器是電力系統中最關鍵最重要的設備之一，斷路器開合空載架空線路是電力系統中常見的操作，操作過程中通常會出現過電壓，對系統絕緣造成威脅，嚴重時會破壞系統的絕緣性能，發生事故，隨著電力系統電壓等級的提高、輸電線路不斷延長及傳輸容量的增大，由操作過電壓引起的絕緣閃絡、設備破壞事故的幾率更加突出。 -
In this dissertation, firstly, characteristics of no - load overhead line and processes of switching no - load overhead line by circuit - breakers are analyzed, then, transient recovery voltage across circuit - breaker are calculated emphatically and the factors of affecting transient recovery voltage are analyzed
這就要求斷路器具有良好的開合空載架空線路的能力。實驗室進行開合線路充電電流試驗是考核斷路器開合空載架空線路性能的重要手段，通過試驗可以優化斷路器的設計、提高斷路器開合空載架空線路性能。 -
Automatic circuit reclosers and fault interrupters for alternating current systems, requirements for overhead, pad - mounted, dry vault, and submersible
交流系統用架空座墊安裝式乾燥地下室型和浸沒式自動電路重合閘和故障斷路器的要求 -
Requirements for overhead, pad - mounted, dry vault, and submersible automatic circuit reclosers and fault interrupters for alternating current systems up to 38 kv
38kv及以下交流系統用架空底座安裝型乾燥地下室型和浸沒式電路自動重合閘和故障斷路器的要求 -
Standard requirements for overhead pad - mounted, dry vault, and submersible automatic circuit reclosers and fault interrupters for alternating current systems up to 38 kv - corrigendum 1
38kv及以下交流系統用架空底座安裝型乾燥地下室型和浸入式電路自動重合開關和故障斷路器的要求標準 -
On the one hand, distribution circuit is changing from overhead power line to cable line, it lead to reduce electromagnetism pollution, avoid the contravention between pole and tree, add the greenbelt of the city, and beautify the environment
尤其在城市，一方面，電網正逐漸由架空線換為電纜，使其減少電磁污染和避免桿樹矛盾，增加城市綠地，美化環境。 -
Because of the reuse of some building blocks, such as adders and registers in fft processor, and the regularity of the circuit structure, the test scheme can be implemented at ? speed and in parallel without circuit performance degradation, and with minimal additional hardware and area overhead
由於處理器中一些加法器、寄存器的再利用，以及電路結構的規則性，因而只需最少的額外硬體、面積開銷即可真速、并行地實施該測試方案而不會降低電路性能。
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