low-voltage transformer 中文意思是什麼

low-voltage transformer 解釋
低壓變壓器
  • low : adj 1 低的；淺的，矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  • voltage : n. 【電學】電壓，電壓量，伏特數。 the working voltage （電氣的）耐壓限度。
  • 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. Company main products : voltage stabilizer, high low pressure transformer, reactance implement

    公司主要產品：穩壓器、高低壓變壓器、電抗器。
  2. On account of the disadvantages of the feedback reactive power compensator, a device of its simplified scheme is studied in this paper, in which the reactive power is adjusted by regulating the voltage of the low - voltage side of the transformer

    由於這種反饋式補償方案存在一些問題，本文分析了它的簡化形式，即通過調節降壓變壓器低壓側的母線電壓來調節濾波器的無功出力的補償方案。
  3. Sam anlagentechnik engineering gmbh - our products and services are covered into the following ranges : low voltage switchgears, rectifiers and electrical supply system as well as transformer stations and / or inverters, dc / ac converters

    Sam anlagentechnik engineering gmbh是一家知名的、誠信的生產商和服務商，該公司提供新型的、專門的產品，例如低壓配電裝置，整流器，變電站，供電設施，振動子換流器、反用換流器、逆變器。
  4. 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。
  5. The study bases on the four operating conditions of which the longnan network will be implemented in the year of 2005 and 2010. first, this paper calculates the power flow distribution that including the line charging reactive power and input of the low - voltage shunt reactor in chengxian s / s. assumed that the bus voltage of tianshui s / s and bikou power plant to be constant, the study count the voltage level of the 330kv and 220kv bus - bar when the 330 / 220kv transformer in standard tap changer position. in order to set control rules

    本文基於隴南電網在規劃發展水平年2005年及2010年的四種可能的運行方式下及潮流條件，計算出了計入線路充電無功及投入成縣變低壓並聯電抗器后的潮流分佈，在設定甘肅大網側及碧口電廠側母線電壓恆定條件下，計算了330kv及220kv主變在有載調壓標準分接頭變比下的330kv及220kv母線電壓水平。
  6. Thesis this in existing electric capacity, whether it utilize by the ct one mainly reject and mix by suitable partial pressure not low - voltage partial pressure arm not high - handed of cvt electric capacity not insulating, in the middle of and ca n ' t compensate reactor, etc. of voltage transformer, design by sectional mutual inductor that ct combine cvt with, sectional mutual inductance utensil this have electric current mutual inductor and voltage double function of mutual inductor

    本論文在現有電容型絕緣電流互感器和電容式電壓互感器製造技術的基礎上，利用ct的主絕緣電容屏作為cvt的高壓分壓臂，配以合適的低壓分壓器、中間變壓器以及補償電抗器等，設計了由ct和cvt相結合的組合式互感器，該組合式互感器具有電流互感器和電壓互感器的雙重功能。
  7. In this paper global joint planning for middle and low voltage network is considered. both line arrangement and cross section and transformer arrangement and rate are considered. it is a non - line combined optimum problem more complex than single network planning

    本文從整體的角度考慮中壓和低壓配電網路的聯合規劃，不僅考慮了線路走向和導線截面大小，而且考慮了變壓器的布置位置和容量，這是一個比單純的網架規劃更復雜的非線性組合優化問題。
  8. By analyzing the load factor and unbalance factor of distribution transformer, the method of calculating and selecting the low voltage reactive power compensation capacity and compensation equipments, and the connection mode of capacitors were presented

    摘要通過對配電變壓器負載率和不平衡率的分析，提出低壓無功補償裝置補償容量的計算選擇方法和電容器的接線方式。
  9. 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。
  10. The tap - changer is made with solid state relay as its working mechanism and controlled by microprocessor. this switch has totally cancelled the mechanical drive organization, by the microprocessor according to the voltage of second side microprocessor decide the working condition of solid state rely, high regulation speed, need not transition resistor, rush current is low. operating frequently ; there is no electric arc to produce, can put in the fuel tank of the voltage transformer directly ; the structure is simple, the fabrication cost is low, benefit and use widely among the voltages transformer of distribution

    其中的有載調壓分接開關，它是一種完全由固態繼電器作為分接開關執行機構，由單片機控制的有載自動調壓的變壓器分接開關。該開關完全取消了機械傳動機構，由單片機根據變壓器二次側電壓的高低，決定與變壓器各分接頭聯接的固態繼電器的工作狀態。調節速度快，改變分接頭時不需過渡電阻，沖擊電流小，可頻繁操作；無電弧產生，可以直接放在變壓器油箱中；結構簡單，造價低，便於在配電變壓器中推廣使用。
  11. The low voltage impulse method, frequency response analysis method and short - circuit reactance method, which can be used to measure and diagnose the deformation of power transformer winding, are introduced in the paper

    目前，監測變壓器繞組變形的方法主要有低壓脈沖分析法（ lvi ） ，頻率響應分析法（ fra ）和阻抗分析法。這些方法都需使變壓器退出運行，在變壓器離線情況下對變壓器繞組變形進行測量的。
  12. By close study on the average temperature rise, temperature distribution, and tune constant of the class f resin dry type power transformer ' s high voltage and low voltage winding under self - cooling and wind - cooling mode, we find out the connection between the variation of the load and the items, mentioned above. the results of the experiments can be reference to both thermal design optimization of dry type power transformer and the revision of current standards. meanwhile, we develop the software, which can predict the overload ability of the dry type power transformer

    本文對f級樹脂澆注式乾式變壓器的高、低線圈的平均溫升，內部溫度分佈和時間常數在自冷和風冷，兩種冷卻方式下隨負載變化的規律進行了研究，得出了平均溫升、熱點溫升和時間常數隨負載變化的相互關系和有關計算用參數和公式，試驗結果可作為改進乾式電力變壓器的熱設計的依據和對現行標準進行修改的參考。
  13. 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。
  14. Fast resistance measuring of low voltage winding of large transformer

    主變壓器低壓繞組電阻的快速測量
  15. The aluminum - alloy insulating strain clamps type nll nxj nxl, the jcb high - low - pressure insulating puncture paralleled clamps, 1kv 10kv 35kv cold - heat shrinkable cable terminals, cable joints, power transformer shields and 500kv line fittings produced by the company can meet the needs of upgrading urban and rural power grids and realize the span of fittings products from low voltage to high voltage

    為滿足城鄉兩網改造需要，公司生產的nll nxj nxl鋁合金絕緣耐張線夾， jcb高低壓絕緣穿刺並溝線夾， 1kv 10kv 35kv冷熱縮電纜終端，電纜中間接頭，電力變壓器防護罩以及500kv線路金具，實現金具產品由低壓向高壓跨越。
  16. Selection of the impedance voltage for the low - voatage station transformer and the related low - voltage appliances

    低壓廠用變壓器阻抗電壓的選擇與低壓電器
  17. According to the object and principal of this rural power network building and reconstruction, combining with the specific policy of fuxin ' s structural adjustment in economy, and based on sufficient consideration of the current situation of fuxin ' s rural power network, and the experiences of myself, and after referring to a great deal of technical information, i have done the technical and economic analysis concentrated on the following aspects, such as network arrangement optimizing, building and reconstruction of transformer substation, the building and reconstruction of low voltage power network, the technical and economic analysis of transformer renewing, the inefficient power compensation in rural power network, therefore concludes the direction of fux in ' s rural power network building and reconstruction

    論文根據此次全國農村電網建設與改造的目標和原則，結合阜新地區經濟轉型的具體方針，在充分考慮阜新地區農村電網的實際現狀的基礎上，本人根據自己多年的工作經驗，在查閱了大量技術資料的基礎上，就農村電網結構優化、變電所的建設與改造、低壓配電網的建設與改造、變壓器更新技術經濟分析、農網的無功補償進行了詳盡的闡述分析。確定了阜新農村電網建設與改造的方向。
  18. Emphasis of the article is principally assay and compare usual compensative project, for instance : concentrated compensation in transformer substation, compensation of low - voltage system in transformer substation, compensation in distribution circuit, compensation in equipment of user, etc

    本文重點分析、比較了配電網常用無功補償方案，如：變電站集中補償、低壓補償、配電線路補償、用電設備補償等。
  19. The paper met the need of national rural power system changing project, in order to improve the operation levels of the rural power system and analysize rural small - scale generator ' s electric parameters after they were breakdown. we cooperated with coslight electric group of harbin, according to the corresponding standard of trouble dynamic record technological criterion of power system which was issued by the country, developed a kind of fault recording system which was suitable for rural small - scale generating set and low - voltage transformer substation of our country

    本文針對國家農網改造工程進一步深入的需要，為提高農村電網的運行水平，為分析農村小型發電機故障后其電氣參量暫態變化過程，而與哈爾濱光宇電氣集團合作，按照國家頒布的電力系統故障動態記錄技術準則的相應標準，研製了一種適用於我國農村小型發電機組及低壓變電站的故障錄波系統。
  20. 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。
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