降壓變壓器 的英文怎麼說

中文拼音 [jiàngyābiànyāqì]
降壓變壓器 英文
abspanntransformator
  • 降 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 壓 : 壓構詞成分。
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  1. In digital relay, the percentage of noise will increase rapidly with the increase of sampling rate when derivation calculus is substituted by sampled difference term. to solve this problem, a new method using fragment function integrated with the least square algorithm is proposed in this paper. the influence of white noise is greatly reduced and the accuracy of the dead angle calculation is nicely improved after adopting the new method

    在數字式保護中，如果用差分代替求導將導致噪聲的百分比誤差隨著采樣頻率的提高而劇增，本文對此進行了分析並提出了用分段樣條函數最小二乘法來計算電流波形的導數值，以便在提高采樣率的同時降低噪聲誤差的影響，並將其應用於基於32位浮點dsp的新型變壓器保護裝置。
  2. This paper explains the effective encouraging mechanism of electrovalence at present, analyses the close relationship between the primary transformer capacity for electric power using in the enterprise and the basic electricity expenses and the electricity in peak time, the relationship between the power factor and the electricity expenses per degree. the ways and measures of reducing electric cost and decreasing electricity expenses expenditurze are proposed

    通過闡述現行電價政策的有效激勵機制，分析了企業用電主變壓器容量與基本電費和峰谷分時用電及企業功率因數與電度電費的密切聯系，提出了企業降低用電成本、減少電費支出的途徑和措施。
  3. The loss of the transformers accounts for largish proportion in the loss of the power system, so realizing economical operation of transformers is one of the effective measure to readuce loss and save energy. but from existing status of this field, how to effectively realize economical operation of transformers has not been done very well. this dissertation main researches how to effectively actualize on - line economical operation of transformers base on the existing scada system and equipments of the area power network

    在電力網損中變壓器的損耗佔有相當大的比例，故實現變壓器經濟運行是降低網損、節約能源的有效手段之一。但綜合國內外的研究現狀，如何有效地實施變壓器經濟運行還沒有得到很好解決。本文著重研究了在地區電網現有的scada系統和設備上實現在線變壓器經濟運行的解決方法。
  4. Drop passives : matching transformers 75 ohm to 300 ohm

    無源電壓降:匹配變壓器75ohm到300ohm
  5. A step-down transformer has a turns ratio less than 1.

    降壓變壓器的匝數比小於1。
  6. It decreased the power consuming and the capacity of transformer, and then the benefit of the mining bereau was raised

    該項措施既降低了能耗也減少了變壓器的容量，提高了礦務局的效益。
  7. According to the equalization techniques introduced first, the thesis chooses the bidirectional buck - boost converter as the main equalization circuit, with the introduction of equalization strategy followed

    首先，通過對均衡技術的研究，選用了基於雙向升降壓變換器作為均衡主電路，並對均衡控制策略進行了探討。
  8. Firstly, the thesis briefly reviews the history of voltage and reactive power control technology, focusing on the defects of the equipment in use. then, with the theoretical analysis and the discussion on voltage and the characteristic of power system as well as the basic principle of voltage and reactive power control, the thesis makes a research on the character of voltage and reactive power control and interprets the controlling regularity of substation. in addition, with the consideration of the changes of transformer tips and the combined influence of capacity groups and reactive power and voltage, the thesis makes adjustment suggestion to the different operating - zones of voltage and reactive power

    本文從降低網損和提高變電站自動化水平著眼，對變電站電壓無功控制應用方面的問題進行了研究，本文首先簡要回顧電壓無功控制的發展概況，著重指出了現有電壓無功控制裝置的缺陷；通過理論分析，在討論電力系統電壓、無功調節特點以及電壓無功總體控制原則的基礎上討論了變電站電壓、無功控制特性以及控制原理，給出了變電站電壓無功的控制規律；考慮了變壓器分接頭的變化及電容器組的投切對無功和電壓的綜合影響，針對電壓、無功的各種運行控制區域給出了相應調節策略。
  9. Shanghai xingzhong transformer limited company is the profession produces the profession business enterprise of various transformer, having obtained the iso9001 quantity management system attestation. the sg that company produce - three concern with type transformer, dg - single mutually transformer, bk - bkc - jbk3 series control transformer, qzb - three decline to press to start mutually to pound at transformer etc. product from the transformer of and neon lights, wear the knife for the domestic and international customer broadly, parts of products is already to export the overseas with the customer

    上海興中變壓器有限公司系專業生產各類變壓器的專業企業，已經取得iso9001質量管理體系認證。公司生產的sg -三相干式變壓器dg -單相變壓器bk - bkc - jbk3 5系列控制變壓器qzb -三相降壓啟動自耦變壓器及霓虹燈沖擊變壓器等產品，廣泛地為國內外用戶配套，部分產品已隨用戶出口海外。
  10. The principle to reduce no - load loss in transformer by multi - joint lamination method is introduced. the reasonable joint structure in core is presented

    摘要介紹了用鐵心多級接縫疊積方式降低變壓器空載損耗的機理，提出了合理的鐵心接縫結構。
  11. A step - down transformer has a turns ratio less than 1

    降壓變壓器的匝數比小於1 。
  12. A step - down transformer can reduced a voltage to whatever value is desired

    降壓變壓器能把電壓降到所需的任何值。
  13. As the step - down transformer has no load when the scr is turned off, the system is stable during switching. less transformers, small area the device occupies, the relative simplicity of connection are the other advantages

    這種補償方案由於在晶閘管關斷時降壓變壓器相當于空載，不存在暫態過程的不穩定問題；所用的變壓器數目少；佔地面積較少；接線相對較簡單。
  14. 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。
  15. As the most effective means to increase the economics and reliability of power station, pumped storage power station with static frequency converter ( sfc ) for start - up is widely used in developed country. recently china also implements several pumped storage power station projects

    抽水蓄能電站利用靜止變頻啟動（ sfc ）方式啟動，這種方式在啟動時產生諧波，對sfc裝置及同電壓級別的其它用戶產生影響，也會通過降壓變壓器向高壓傳遞，對高壓側的用戶產生影響。
  16. Powerformer is a new high voltage generator ， which use xlpe cable as stator winding instead of rectangular conductor bars ， thereby it overcome the shortcomings which the shape of these conductors results in an uneven electric field distribution with high electric field strenghs at the corners especially and prevents the output voltage of the conventional generator from exceeding about 36kv powerformer offers a direct connection to the network without the need for a step - up transformer as a consequence, there are some merits in the total plant equipped with powerformer, such as high effiency, high availability, low maintaining cost and giving less environmental impact

    Powerformer是一種新型的高壓發電機，它採用電纜代替矩形導體作為定子繞組，從而克服了矩形導體電場分佈不均勻，特別是在矩形導體在導體拐角處電場過于集中而使常規發電機的輸出電壓等級不能高於36kv的缺點，使其能夠直接和輸配電網相聯，這樣就不需要升壓變壓器，同時也使裝配powerformer的電廠具有如下優點高效率、可利用率提高、維修費用降低和降低了對環境的負面影響。
  17. In chapter 4, considering the features of high voltage transformer and the difficulties to make it, a reasonable design scheme with src was proposed, which efficiently reduced negative influence of distributing parameters of transformer on switching power supply and could completely utilize leakage inductance as resonant inductance

    第四章中分析了高頻高壓變壓器的特點及難點，提出了合理的串聯諧振變換器的設計方案，能夠完全利用變壓器的漏感作為諧振電感，有效地降低了分佈參數給高壓大功率開關電源所帶來的不利影響。
  18. In order to ensure the whole system operate economically, power department equip transformer with onload tap changer and shunt capacitors for most distribution substations, according to the operating condition, adjusting the position of transformer taps and capacitors can control the variation of voltage and reactive power exchanger of distribution substations and power system in certain extent

    為確保整個系統運行經濟性，降低網損，電力部門在大多數變電站配置了有載調壓變壓器和並聯補償電容器組，根據運行情況適當調節變壓器分接頭的位置和投切並聯補償電容器組，可以降低電壓變化和變電站與系統的無功交換控制在一定的范圍內，確保供電質量和電網運行的經濟性。
  19. Experimental data indicate control system can correct completion the rise or fall of voltage transformer and the throw or cut of capacitor - group, prevent equipments from frequently regulated and shakes, raise the lifespan of the equipments

    實驗數據表明，將模糊控制引入電壓無功綜合控制中，控制系統能夠正確的完成對有載調壓變壓器分接頭的升降和電容器組的投切，並可以避免設備頻繁調節和振蕩，提高設備運行壽命。
  20. In power system, it can effectively improve the voltage and decrease the real power loss that coordinated control the transformer tap and the compensatory capacitor of the region network. the voltage and reactive power control makes the running of the systems more safe and stable and economical

    在電力系統中，對地區電網中的有載調壓變壓器和補償電容器進行協調控制，能夠有效提高電壓水平、降低有功功率損耗，對系統的安全穩定經濟運行具有重要意義。
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