ehv 中文意思是什麼
ehv
解釋
EHV ＝extra high voltage 【電學】極高壓。-
Power frequency electric field caused by ehv lines and its effect
超高壓架空輸電線的工頻電場及其影響一 -
Calculation of electric field distribution near ehv power towers
超高壓輸電線路鐵塔附近的三維工頻電場計算 -
Study on conductors turn over problem in 500kv ehv power transmission lines
超高壓輸電線路導線翻轉問題淺析 -
Scheme selection of holding poles erection for ehv transmission towers
特高壓輸電線路鐵塔組立抱桿的方案選擇 -
Ehv electric and hybrid vehicle
電動和混合動力汽車 -
Test amp; amp; research on ehv power transmission in high altitude area
關于高海拔超高壓輸電技術問題的試驗研究 -
Effect of acsr on suppressing power frequency overvoltage of ehv transmission system
對限制超高壓輸電系統工頻過電壓的影響 -
Effect of svc on restricting the temporary overvoltage of ehv transmission system
良導體地線限制超高壓輸電系統工頻過電壓的作用 -
Power - frequency electric field of ehv transmission lines under condition of complex landscape
復雜地勢下超高壓輸電線路的工頻電場 -
The study on single - pole adaptive reclosure of ehv transmission lines with the shunt reactor
帶並聯電抗器的超高壓輸電線單相自適應重合閘的研究 -
Upon existent theoretical and experimental results and based on a great of laboratory investigations carried out in chongqing university, for the first time this paper studies systematically the insulators dc discharge performance and flashover mechanism of iced insulators in the complex atmospheric environment, which will contribute to the understanding of flashover phenomena observed on ice surface at low air pressure and provide the test and theoretical reference for hv and ehv transmission lines design and safety service
為此，在國內外現有工作的基礎上，通過大量的試驗研究，本文主要研究了復雜環境中絕緣子的直流閃絡特性及閃絡機理。其結果有助於進一步了解低氣壓下覆冰絕緣子的閃絡現象，並可為輸電線路的設計和安全運行提供理論依據。 -
In order to avoid the ehv system disaster caused by reclosing on the permanent fault of transmission line, adaptive autoreclosure based on microprocessor - based protection arises at the historic moment, but is still in the stage of theory study
為了避免超高壓輸電線路採用自動重合閘時重合於永久性故障所造成系統穩定破壞等重大系統災難，在微機保護的基礎上，自適應重合閘應運而生，但尚處于理論探索階段。 -
Data synchronization for current differential protection based on optical fiber channel for ehv amp; uhv long transmission line
特高壓長線路光纖縱差保護數據同步 -
Data synchronization for current differential protection based on optical fiber channel for ehv amp; amp; uhv long transmission line
特高壓長線路光纖縱差保護數據同步 -
Along with the development of power system, more and more generators and ehv transmission systems are put into operation. there come many new situations, such as the lengthening transmission distance, the heavier load, the increasing transient elements during the transient process. these new conditions influence the correct working of relay protections
隨著電力系統的不斷發展，大容量發電機組和超高壓輸電系統的相繼投入運行，系統中出現了許多新的情況，如輸電距離增大、負荷加重、故障暫態過程中的暫態分量大大增加、持續時間變長等，這些情況對目前常用的各種繼電保護方法的正確動作會產生許多不利的影響，甚至不能正常運行。 -
With the rapid development of the power cause, the voltage degree of the power transmission increases continually, the extra - high voltage ( ehv ) and ultra - high voltage ( uhv ) transmission lines appear in succession
隨著電力事業的快速發展，輸電電壓的等級不斷提高，相繼出現超高壓和特高壓輸電線路。 -
It is the conclusion that the heat absorbed by human body is too small to cause the thermal hurt to human under the present ehv transmission line in our country
研究表明，在我國現有的超高壓輸電線路下，人體所吸收的能量很小，因此從熱效應方面看不足以對人造成傷害。 -
In order to compensate for the capacitive charging power of transmission lines, control reactive power flow, stabilize operating voltage and restrict arc current, the shunt reactors are usually installed on ehv transmission lines, especially for uhv transmission lines
摘要超、特高壓輸電線路為了補償線路的容性充電功率，控制無功潮流，穩定網路運行電壓，限制潛供電流等，一般要安裝並聯電抗器。 -
The iced insulators flashover is one of the main faults of the ehv transmission lines in icing regions. icing is especial form of pollution
對覆冰地區的超高壓線路，絕緣子覆冰引起的閃絡已經成為最主要的故障之一，對電力系統的安全運行造成了極大的威脅。 -
Based on former productive conditions, the corporation depends on the support of all circles, introduced an international advanced 500kv ehv crosslinking line from germany, so the productive scale of producing ehv cable of our corporation reaches the domestic largest and with the highest technical level ; at the same time, introduced international advanced production and testing equipment of digital cable and data cable line, able to produce cable of 1 million km, and 5, 6, and 7 digital cable of 50 thousand km, which set a base for the quick development of the enterprise, here i sincerely express our thanks to all circles for your great supports
集團在原有生產條件的基礎上，依靠社會各界的支持，又從德國引進了一條國際先進水平的500kv超高壓交聯電纜生產線，使漢纜集團超高壓電纜的生產規模達到國內最大技術水平最高同時，又引進了國際先進水平的光纜數據纜生產及檢測設備，可生產100萬芯公里光纜5萬公里5 6 7類數據纜，為企業的快速發展奠定了基礎。在此，我由衷地感謝社會各界朋友的鼎立支持。
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