高頻率電熱 的英文怎麼說
中文拼音 [gāobīnlǜdiànrè]
高頻率電熱
英文
heatronic-
This paper select the series - resonant inverter because it is more suited to high frequency power supply and it will be easy to enhance power capacity and enable the power supply to work on higher frequency if power is regulated in the rectifier. so uncontrolled rectifier and buck chopper constitute dc circuit is selected as rectifier circuit
並分析了感應加熱電源的各種調功方式，在對比幾種功率調節方式的基礎上，得出在整流側調功有利於高頻感應加熱電源頻率和功率的提高，選擇了不控整流加斬波器調壓作為研究對象。Characterized by wide band gap, high breakage electric field, high thermal conductivity, high saturated electron mobility, cubic silicon carbide ( 3c - sic ), considered as one of the most promising wide band gap semiconductors, is widely utilized in high temperature, high frequency and large power semiconductor devices
3c - sic被譽為最有潛力的寬禁帶半導體材料，具有帶隙寬、臨界擊穿電場高、熱導率高、飽和電子漂移速度大等優點，是高溫、高頻、高功率半導體器件的首選材料。Industrial electro - heat equipment ; power measurement on high - frequency appliances for induction heating equipment, measuring method for determination of power output of high - frequency generators
工業電熱設備.感應加熱裝置用高頻設備的功率測量.高The company talented people, give full play to their talents, continuous improvement, continuous innovation, in 1990s, improves the two series of hf including seven products to new energy - efficient products, and through the identification of new products at the provincial level, including : designed and developed by ourselves the new products gp - h - d 800kw electron tube - powered high frequency induction heating equipment filled the domestic gap
公司以其科學的質量管理雄厚的技術力量，連年被河北省科委命名為高新技術企業。並率先在同行業中通過了is09001 ： 20 .本公司生產的高頻焊管加熱設備為節能新型單迴路，整機電路成熟，可靠耐用。And the results of calculation and numerical simulation indicate, without increasing the intrinsic collector - junction area of power devices, collector - combed structure helps to raise the intrinsic heat - dissipating area and base ' s perimeter, improve heat - dissipating method of each cell of the chip, enhance the distribution uniformity of junction temperature and current of each cell of the chip, reduce the thermal resistance and raise the dissipation power pd and output power p0, fairly well relax the contradiction among frequency, out - put power and dissipation power of the devices, and further improve the devices " property against second breakdown
而計算分析和二維數值模擬分析結果表明：梳狀集電結（基區）結構在不增加器件本徵集電結面積的條件下，增大了器件的本徵散熱面積和基區周長，改進了每個子器件單元內的散熱方式，提高了單元內結溫和電流分佈的均勻性，降低了器件的熱阻，增大了器件的耗散功率和輸出功率，較好地緩解了目前傳統結構中頻率與功率、功耗的矛盾，並有利於改善器件抗二次擊穿的性能。Silicon carbide is becoming the most promising semiconductor material for high temperature, high frequency and high power devices because of its superior properties such as wide band gap, high breakdown field, high electronics saturation drift velocity, and high thermal conductivity
Sic材料由於具有寬禁帶、高臨界擊穿電場、高飽和電子漂移速度、較大的熱導率等優良特性，因此成為製作高溫、高頻、大功率器件的理想半導體材料。Featured by wide band gap, high breakage electric field, high electron mobility, low dielectric constant, strong irradiation proof and excellent chemical stability, silicon carbide ( sic ), viewed as one of the most promising wide band gap semiconductors, is widely utilized in optoelectronic devices, high frequency and large power, high temperature electronic devices
被譽為最有潛力的寬禁帶半導體材料一sic ，因其具有禁帶寬度大、擊穿電場高、熱導率大、電子飽和漂移速度高、介電常數小、抗輻射能力強、良好的化學穩定性等優異的特性，被廣泛地應用於光電器件、高頻大功率、高溫電子器件。With the development of electronic technology in the field of high - frequency and high - power, power mosfet is gradually enhancing its important status in semiconductor apparatus and is being widely applied in power converters as switch. with the increasing of the operating frequency ( > 200khz ), the energy loss caused by parasitic capacitance will affect the efficiency of power transforming in converters. especially in the applications of high frequency power supply using mosfet as main devices ( the unit of frequency is mhz ), the energy loss caused by the switch process will badly affect its efficiency
隨著電力電子技術進一步向高頻的大功率用電領域發展，功率mosfet在各種電力半導體器件中的重要地位日益顯著，使用功率mosfet作為開關器件的功率轉換電路也日益增多，但隨著器件開關頻率的提高（大於200khz ） ，由器件極間電容引起的能量損耗將會影響到功率轉換電路的能量傳輸效率，特別是在以mosfet作為開關器件的高頻感應加熱電源中（工作頻率可達兆赫） ， mosfet在開關過程中的能量損耗嚴重影響到電源的效率，因此如何減小開關器件的損耗提高高頻功率轉換線路的效率成為電力電子技術領域的重要研究課題之一。At present, in studying and developing heavy capacities and parallel resonant inverter, it is expected to solve the problems of researching on simple structure and easy to start frequently series resonant inverter in the fields of domestic high frequency induction heating installation. therefore, researching of the subject is to design and study a high frequency ( more than 1 mhz ) and high power topological structures of full solid - state induction heating power supply
目前在研究和開發大容量的並聯逆變中頻電源的同時，研製結構簡單，易於頻繁起動的串聯逆變高頻電源是國內高頻感應裝置領域有待解決的問題，基於此種需要，本課題主要研究設計一種高頻（ 1mhz以上）大功率全固態感應加熱電源逆變電路的拓撲結構。Capacitor for electric induction heating system is applied to medium frequency electric induction heating system for improving power factor and loop quality
電熱電容器主要用於中頻感應加熱電氣系統中，提高功率因素或改善迴路特性。Magnetics is one of the main factors, which limit the power - density and characteristics of power module. for lowing weight and volume, reducing power loss and ripple current, improving dynamic performance, the magnetic - integration technique has been one of the research populations in power electronics. the thesis researches the magnetic - integration applied to the active - clamp forward converter so as to reduce the ripple current and improve its performance
對于已經大量採用高頻軟開關技術的模塊電源，限制其功率密度進一步提高、性能進一步改善的重要因素之一是磁性元件，而磁集成技術由於具有可以減小磁件體積重量，減少磁件損耗，減小輸出電流脈動，改善輸出動態性能等優點，成為目前電力電子技術的研究熱點之一。The strategies of the closed loop control of high frequency induction heating power supply and the fuzzy control is introduced to the power control
最後分析了高頻感應加熱電源的閉環控制的控制策略，並將智能控制引入感應加熱電源的功率調節中。However, the most commonly used x - ray sources didn " t change much no matter in structure or theory, still using thermionic cathodes as electron sources. such conventional x - ray tubes have some defaults, such as big volume, low frequency response, demanding for supply to cathode that was also brittle
目前使用的x光源的基本特點是採用熱電子發射形式即採用熱燈絲作為電子發射源，在高壓加速下轟擊陽極產生x射線，這樣的光源體積較大，需要加熱陰極的電源，且對頻率響應慢。1. nizn ferrite was developed for using in mini high frequency dc - dc converters and inductors. we measured and analysed the parameters of the nizn ferrite, which we concern about when designing the dc - dc converter. 2. the low loss sample of nizn ferrite were chosen for design - optimization of the high frequency transformer. based on the relevant theoretical researches, the loss properties of the magnetic core material and winding were analyzed in this thesis
因此，以nizn功率鐵氧體材料為開關電源芯材為基礎，並優化各種開關電源的設計已成為國際上的熱點和技術瓶頸，本論文正是以上述背景為研究目標而開展工作的，主要進行的工作和創新有: 1 .對研製的新型高頻低功耗的功率nizn材料進行參數的測試，並針對dc - dc變換器設計關心的參數對芯材特性進行了分析，選擇在特定頻率下，功耗較小的nizn材料磁芯樣品作為變壓器優化設計的預備磁芯。The inverter apparatus controlled by pre - set voltage adjustment project has the advantages of low harmonic content, high output frequency precision, simple control circuit. therefore, this kind of project is the hot point in inverter power studying field
用「開關預置式電壓調節方案」控制的逆變電源具有輸出諧波含量低、輸出頻率精度高、控制電路簡單等優點，是逆變電源研究領域的熱點。We combined the cvd technique with the pecvd technique by adding a dc or rf electric field to the reacting region of cvd device, and improved the inputting method of reaction gases, then had executed a diamond film growth system. the advantages of our system are : ( 1 ) reaction power, which can enhance the density of the plasma in the reacting region, is supplied with the heat filament and the dc electric field, or with the heat filament and the rf electric field both of them can be controlled precisely and they are complementary to each other
將熱絲cvd技術與pecvd技術相結合，在薄膜的成核和生長階段分別給反應區再施加一個直流和射頻電場，同時改進反應氣體的進氣方式，製成具有下列兩大特點的金剛石薄膜生長系統： （ 1 ）反應功率由熱絲和直流電場或熱絲和射頻電場共同提供，兩者互相補充，可精確控制，大大提高了反應區的等離子體密度； （ 2 ）能精確控制反應氣體的分佈、流量及流速。Using field emission cathode, x ray source can be made with several advantages : smaller volume and brighter, high frequency response, in - time turning on, etc. considering of the merits and potential markets, researching and fabricating miniature x - ray source is meaningful
由於突起數目大且尖端頂端電場強度高，因此產生很大的場發射電流密度。採用場發射陰極的x射線光源具有體積小，輻射強度高，頻率響應快，可以隨時開啟，無需預熱的優點。With the continuous enlargement in capacity of a wind - power generator, the efficiency improvement of electric power generation had been become more and more important. the variable - speed constant - frequency ( vscf ) power generation, which is served to reach maximum wind - energy capturing and utilization for a variable blade - pitch wind - turbine, is the studying hot - spot of the wind - power generation technique at present
隨著風力機組單機容量的不斷增大，提高發電效率已是風力發電研究的重要內容。採用變槳距風力機實現最大風能捕獲和利用的變速恆頻發電已成為當前風電技術的研究熱點。We equip the following machines for the environmental testing and the reliability test : test box with high and low temperature, test box with high temperature, test box with invariableness temperature and humidity, salt - spray test box, vibrant and impactive test machine, tensile test machine, frequency tester and scanner, oscillograph, oven with invariableness temperature etc. pic the 3d machine
環境試驗可靠性測試等方面配置有以下儀器設備：高低溫試驗箱高溫恆溫試驗箱恆定濕熱試驗箱鹽霧腐蝕箱振動沖擊試驗臺拉力試驗機諧振頻率f0快速測試儀揚聲器f0快速測試儀音頻掃頻信號發生器示波器電熱恆溫乾燥箱等。Due to its intrinsic merits, such as wide band gap, high electron saturated drift velocity, high melting point, good coefficient of thermal conductivity, anti - radiation and good chemical stability, gallium nitride as a direct band gap semiconductor has become the promising material for the application of short - wave light - emitting devices and high temperature, high frequency and high power electronic devices
Gan是直接帶隙半導體材料，以其禁帶寬度大、電子飽和漂移速度大、熔點高、熱導率高、抗輻射能力強和化學穩定性好等優點成為製造短波長光發射器件及高溫、高頻、大功率電子器件的理想材料。分享友人