switch power transformer 中文意思是什麼

switch power transformer 解釋
高頻電源變壓器
  • switch : n 1 （樹上折下的）細樹枝；軟鞭子；鞭打。2 假發；（尾巴上的）毛簇。3 〈美國〉【鐵道】道岔扳子，軌...
  • power : n 1 力，力量；能力；體力，精力；（生理）機能；〈常 pl 〉才能。2 勢力，權力，權限；威力；政權；權...
  • transformer : n. 使變化的人[東西]；【電學】變壓器；變換器；互感器。 polarity of transformer 變壓器繞線方向。
  1. Product this company, brush of british, high - handed limit that manufacturing technology produce to flow fuse box, products suitable for family exchenge 50hz, specified voltage 3kv kv, 6kv 7. 2kv, 12kv 15kv system, can cooperate and is used with other protection electric apparatuses such as the on - load switch, vacuum contactor, as high - handed motor, electric power voltage transformer and electric power overload or holding up of equipment, etc. protect the component

    本產品是英國brush公司高壓限流熔斷器製造技術生產的，產品適用於戶內交流50hz ，額定電壓3kv 3 . 6 kv ， 6kv 7 . 2kv ， 12kv ， 15kv系統，並可與其它保護電器如負荷開關，真空接觸器配合使用，作為高壓電動機，電力變壓器及電力設備的過載或短路等保護元件。
  2. Product this company, brush of british, high - handed limit that manufacturing technology produce to flow fuse box, products suitable for family exchenge 50hz, specified voltage 3kv kv, 6kv, 12kv 15kv system, can cooperate and is used with other protection electric apparatuses such as the on - load switch, vacuum contactor, as high - handed motor, electric power voltage transformer and electric power overload or holding up of equipment, etc. protect the component

    本產品是英國brush公司高壓限流熔斷器製造技術生產的，產品適用於戶內交流50hz ，額定電壓3kv 3 . 6 kv ， 6kv 7 . 2kv ， 12kv ， 15kv系統，並可與其它保護電器如負荷開關，真空接觸器配合使用，作為高壓電動機，電力變壓器及電力設備的過載或短路等保護元件。
  3. And so, the gis - based electric cable information management system can administrate transformer substation, switch substation, power distribution room, power cable, silo, canal and high voltage user according to their location, drawings, cable records. the system provides multiple index for query service and statistical electric cable graph and information on properties

    本系統可以實現對變電站、開關站、配電室、電纜、豎井、溝道及高壓用戶等空間位置、圖形資料（包括一次接線圖、竣工圖、斷面圖） 、電纜臺帳信息的綜合管理；並可按多種方式來查詢、檢索、統計電纜圖形及屬性數據信息。
  4. The sieries product is suitable for the system with current 50hz - 60hz and the rated voltage of 3. 6kv 40. 5kv. it can be matched with other protective electrical equipment vacuum connection, loading switch etc. it can also be used as the overload or short circuit protection parts for high voltage motor, transformer, voltage mutual inductance attenuator and other power equipment

    本系列產品適用於交流50hz - 60hz ，額定電壓3 . 6kv 40 . 5kv系統，可與其它保護電器如真空接觸器，負荷開關等配合使用，作為高壓電動機電力變壓器電壓互感器及其它電力設備的過載或短路保護等元件。
  5. If the vacuum degree of the vacuum interrupter, which is used online in a vacuum breaker, is lower than an amount of magnitude, it will lead to the vacuum breaker cannot switch off normally. this will affect and damage to the power transformer system working in order

    運行中的真空開關，其真空滅弧室的真空度若低於一定數量級，就可能導致真空開關不能正常開斷電路，而影響配電系統的正常供電，這將造成極大的危害。
  6. In 2004, the company s technology development department has actively and successfully developed the shield - type american - style european - style cable heads, high - low - voltage cable branch cases for load switch busbar coupler system, outdoor ring network cabinets, box - type transformer substations and auxiliary products, which have passed the authentication one after another and been launched into the market in large batches, giving a strong support to the upgrading of the national urban power grids and the construction of key projects ; in 2006, the company has developed the four - splitting and dual - splitting wire and cable box and released to market ; the 2nd half of 2006, over 500kv ultra - high voltage electrical hardware being developed for 2007 market ; four products awarded national patents in 2006

    2004年公司技術開發部積極開發了屏蔽型美式歐式電纜接頭，負荷開關母線聯接系統的高低壓電纜分接箱，戶外環網櫃，箱式變電站及配套產品相繼通過鑒定，大批量投入市場，有力支持國家城網改造與重大工程建設2006年公司又研製出四分流二分流電線電纜分線盒，已投放市場2006年下半年，正在研製開發超高壓500kv及以上電力金具，有望2007年投放市場2006年有六種產品已申請國家專利。
  7. Vacuum circuit breaker, drop - out fuse, current limiting fuse, hv fuse, lightning arrester, load switch, power cable distribution box, ring - type net switch station, intelligent power distribution automation system, box transformer substation, hv switchgear cabinet set, lv switchgear cabinet set, isolating switch, hv synthetic rubber insulator, etc. high technology is the source of sunrise development " continuous improvement, keep learning to succeed " is our concept. the group has established a long - tem cooperation with uk birmingham university. electric power research institute of china

    主要生產126kv以下輸變電設備，主要有真空斷路器跌落式熔斷器限流熔斷器高壓熔絲避雷器負荷開關電纜分接箱環網開關站智能配電自動化系統箱式變電站高壓成套開關櫃低壓成套開關櫃隔離開關高壓合成膠絕緣子等14大系列800多種規格。
  8. Relying on years of researching of electric power, accumulated manufacturing experience, and affluent economic technological power, the enterprise is capable of product pgl, ggd, gcs, gck low voltage power distributing panel, xgn2 - 12, hxgn15a - 12 high voltage switch cabinet, xbz1, xbj1 box - type transformer substation and zw8 - 12 630 - 20 outdoor high voltage vacuum breaker, totally 6 series and 200 more varieties. the products are a great contribution to the social economic development and have been recognized and praised by vast customers

    企業憑借多年的電氣成套研製生產經驗和雄厚的經濟技術力量，生產pgl ggd gcs gck型低壓配電屏xgn2 - 12 hxgn15a - 12型高壓開關櫃xbz1 xbj1型箱式變電站及zw8 - 12 630 - 20型戶外高壓真空斷路器等6大系列200多種品種，為社會經濟發展提供可靠的產品和服務，得到廣大客戶的認可和贊譽。
  9. This paper introduce, now in electrical system, the high - voltage tests include part - charge test for transformer, ac withstand voltage test for transformer, ac withstand voltage test for switch, ac withstand voltage test for hv cable, when the tests is on, the power sup - - ply will be too poor

    文中就當前電力系統中的一些現場高壓測試所面臨的試驗電源問題，這些試驗包括變壓器的局部放電和交流耐壓試驗、高壓開關、高壓交聯電纜、 gis等的交流耐壓試驗，提出採用新型變頻電源對高壓設備進行測試。
  10. It can be applied for purification of unqualified transformer oil, mutual inductor oil, oil switch oil and capacitor oil as well as low - viscosity lubricating oils for electric plant, power station, electric company, transformer substation working area, plant, railway, ect

    廣泛適用於電廠電站電力公司變電工區廠礦鐵路等，對不合格變壓器油互感器油油開關油電容器油低粘度潤滑油的凈化再生處理。
  11. Because of forecasting reactive load at first, it can detect the change of voltage at low - voltage bus from the change of reactive load or the change of voltage at high - voltage bus, then it can decide that adjusting transformer tap or capacitor switch, and avoid blindly and deficient adjusting. on the condition the reactive power is balanced and voltage qualified, it can realize the switching times of loaded taps and capacitors being efficiently decreased

    由於預先預測出無功負荷，提前了解了無功功率變化的趨勢，可以有助於判定低壓母線電壓變化是由無功負荷變化引起還是由高壓側電壓變化引起，從而適時決定是調有載調壓變壓器分接頭還是投切電容器，以此避免了盲目和不充分的調節，實現在保證無功基本平衡和電壓合格率的前提下，減少有載調壓變壓器分接頭的調節和並聯電容器組的投切次數。
  12. This paper mainly discusses a control method of substation voltage and reactive power. in order to get suitable decision for one day 24 hours tap - transformer ' s step switch and shunt capacitor switch, an approach of substation voltage and reactive power control on the basis of the combination of artificial neural network ( ann ) reactive power forecasting and evolutionary programming optimal decision - making is put forward

    論文主要研究變電站的電壓/無功控制決策問題，為了確定一天24小時內合適的有載調壓變壓器分接頭位置和並聯電容器投切狀態，提出一種基於人工神經網路的無功負荷預測和進化規劃優化決策相結合的變電站電壓和無功的綜合控制決策。
  13. " soft switching " is zero voltage switching or zero current switching, which the voltage ( or current ) of the switch varies by law of sine or quasi sine, the switch is on when its voltage reaches zero ( or switch is off when its current reaches zero ) by resonance. it makes switch loss is zero, so it can increase the operating frequency and raise power density, minimize the size of transformer and inductor

    「軟開關」是指零電壓開關或零電流開關，它是利用諧振原理，使開關變換器的開關管電壓（或電流）按正弦（或準正弦）規律變化，當電壓過零時，使器件開通（或電流自然過零時，使器件關斷） ，實現開關損耗為零，從而提高開關頻率，減小變壓器、電感的體積。
  14. Xmt series intelligence digital indicate controller and have advantanges of small size and high anti - interference. the products are manufactured according to the international standards and use transformer or 85 ? 264vac wide range input switch power. multiple installation dimensions allow for compatibility with most of the automatic industrial controlling / adjusting instruments in the world in respects of performance specificatons, input patterns, output functions and installation dimensions. therefore, the products are digital controllers at internationally advanced level

    Xmt系列智能數字顯示控制器，體積小，抗干擾能力強，產品按國際標準製造，採用變壓器或85 ? 264vac寬范圍輸入的開關電源，並有多種外型尺寸，能與世界大多數工業自動控制/調節儀表在性能指標、輸入方式、輸出功能、安裝尺寸上兼容，是具有國際先進水平的數字控制器。
  15. In light of the system fault happened in shaoguan power plant, the electromagnetic process during the open - phase running of gate - out switch of generator - transformer unit is analyzed in detail with the measures to handle the failure included

    結合韶關發電廠曾發生的系統故障，詳細分析了發變組出口開關非全相運行時的電磁過程，提出了限制故障擴大的處理方法和故障發生時的安全處理措施。
  16. As a result of employing multilevel phase - shifted method with zig zag connection in transformer secondary, in the primary the current harmonics their orders are lower than 6m 1 are eliminated ( m is the number of power cell each phase ). in the inverter side because of using pulse shifting pwm control, the equivalent switch frequency of output is m times as high as one h - bridge, so the output voltage waveform of the inverter is near sine with less harmonics

    對于整流電路，由於採用變壓器移相多重化整流，在理論上可以實現曲折變壓器一次繞組中低於6m 1次諧波電流相互抵消（ m為串聯單元個數） ；對于逆變電路，由於採用移相pwm控制方式，等效開關頻率提高m倍，因此輸出電壓接近正弦波，諧波含量較小。
  17. To reduce voltage stress of power switch in the flyback - forward converter, a novel two - transister flyback - forward converter is present in this paper. by adjusting the turns ratio of forward and flyback transformer we can distribute the delivering power of forward and flyback transformer

    提出了一種雙管正?反激組合變換器，通過調整正、反激變壓器的匝比關系，可以任意改變正、反激變壓器向負載傳輸功率的分配比率。
  18. The rbf network has a better performance, and better forecasting accuracy. then mathematical model of substation voltage / var control is constructed, the squares minimization of voltage differences as target, also considering requirement of voltage and power balance, taking it into consideration that the magnitude constraint of transformer ratio and compensating capacitor, also that constraint of operation times of one day transformer tap and capacitor switch

    因此提高了學習性能，具有較好的預測精度。然後，建立變電站電壓無功控制的數學模型，考慮電壓的調壓要求和無功功率平衡，計及變壓器變比和並聯補償電容的上下限約束，變壓器分接頭和電容器允許的日調節次數的限制，以電壓偏差的平方和最小為目標函數。
  19. By the development of high frequency switch, low frequency transformer has been withdrawn from many domains. but in the domain of ups, linear power amplifier and the inverter output low frequency ac, for the purpose of isolation and change voltage, there is no choice but to use low frequency transformer

    高頻開關技術的發展，使工頻變壓器從許多領域中退了出來，但是在需要隔離的ups不間斷電源、數碼線性功率放大器、要求輸出低頻正弦波的dc ac變換器等許多領域中，為了隔離或變換電壓的需要，以至不得不保留了低頻變壓器。
  20. Most of the company ' s business is done directly with customers in schools ( including high school of technology, college, university and graduate school ), public and private research and development institutions, electronics, house electric appliance, information, semiconductor, telecommunication, power company, heavy industries ( such as motor, cable and wire, transformer, switch board, etc. ), engineering, transportation ( such as shipbuilding, automobile, etc. ), steel, petro - chemical, chemical fibre, textile, plastic, etc

    本公司往來之客戶大多為直接用戶，其業別包括：學校{高工、專科、大學、研究所} 、公私立研究發展機構及國防工業研究機構等、電子業、電機業、家電業、資訊業、半導體產業、電信業、電力公司、重電業{如馬達、電線電纜、變壓器、配電盤. . . . } 、工程公司、運輸業{造船、車輛. . . . } 、鋼鐵業、石油化纖化紡、涵蓋面甚廣。
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