高頻變壓器 的英文怎麼說
中文拼音 [gāobīnbiànyāqì]
高頻變壓器
英文
high frequency tra former-
The second, at the high frequency primary coil, when switch turn on with control signal ( the spwm pulse is modulated ), in the positive or negative semi - period of low frequency modulation signal, transformer coil with same direction voltage. the magnetic flux of transformer core will increase step by step. at the end, it leads to magnetic flux saturation
二、在高頻變壓器原邊,當開關管接收控制信號脈沖列(經調制的spwm波列)導通時,在低頻調制信號的正半周或負半周內,施加在變壓器繞組上的是同一方向的電壓,變壓器磁芯中的磁通可能將級進地逐漸增加,導致磁芯飽和,造成磁偏或單向磁化,導致低頻電信號放大失真或由於很大的磁化電流而無法正常工作。Then novel circuit structure of bi - directional voltage mode ( based on forward converter ) inverters with high frequency link, are proposed, which is constituted of input cycloconverter, high frequency transformer, output cycloconverter, input and output filter ; the circuit topologies family of this bi - directional voltage mode inverters with high frequency link include six circuit topologies, such as push pull - full wave mode, push pull - full bridge mode, half bridge - full wave mode, half bridge - full bridge mode, full bridge - full wave mode, and full bridge - full bridge mode etc. taking full bridge - full bridge mode circuit as an example, principle of uni - polarity phase shifting controlled bi - directional voltage mode inverters with high frequency link is introduced
本文首先論述了dc / ac逆變技術的應用前景及發展現狀。基於正激forward變換器的雙向電壓源型高頻環節逆變器電路結構,由輸入周波變換器、高頻變壓器、輸出周波變換器、以及輸入、輸出濾波器構成;雙向電壓源高頻環節逆變器電路拓撲族,包括推挽全波式、推挽橋式、半橋全波式、半橋橋式、全橋全波式、全橋橋式六種電路。High - frequency transformer silicon steel sheet
高頻變壓器硅鋼片" litz " wires are multiple magnet wires bundled together for use typically when winding high frequency transformers
絞合線是將若干漆包線捆束一起使用,特別用於纏繞高頻變壓器。Knowledge of transformer and inductor principles and applications. well know related standards and qualification tests
熟悉高頻變壓器、電感工作原理及應用;了解相關國際標準及資格驗證測試。The operation of the proposed system is thoroughly analyzed and how to control modulation ratio meets each pulse magnetic reset is deduced
對如何通過控制調制比使高頻變壓器能滿足逐個脈沖磁復位進行了數學推導。Transformers and inductors for use in electronic and telecommunication equipment. part 7 : sectional specification for high - frequency transformers on the basis of the capability approval procedure
電子設備和電信設備用變壓器和電感器.第7部分:以容量認可程序為基礎的高頻變壓器分規范The conventional converter has two power transfer levels. the first one is to obtain high frequency, and the second one is to obtain low frequency ac voltage
傳統的電路結構中一般使用兩次逆變器,一次是為了獲得高頻,以便利用高頻變壓器進行變壓和隔離,第二次是為了獲得工頻正弦交流電壓。The circuit structure of this kind of converters is constituted of input cycloconverter, high frequency transformer ( high frequency storage transformer ), output cycloconverter, input and output filter
這類變換器由輸入周波變換器、高頻變壓器(或高頻儲能式變壓器) 、輸出周波變換器、以及輸入、輸出濾波器構成。A novel topology of power transfer with high frequency transformer is proposed in this paper. this novel topology has one inverter, and changing voltage, isolation, and power transfer are completed by the high frequency transformer
本文提出了一種新型的用高頻變壓器傳遞低頻電功率的方法,可以直接利用高頻變壓器同時完成變壓、隔離、傳遞功率的任務。A novel cycloconverter - rype three - phase hf link inverter topology for soft - switching based on phase - shifted full - bridge mode is proposed, whose main advantages are as follows : under the conditions of d < i < and overlap - d, the switches of the leading leg are turned on at zvs and the switches of the lagging leg are turned off at zcs and all switches of the cycloconverter circuit are commutated in the overlapping mode in the interval of zero voltage, which makes the circuit realize soft switching to the utmost extent and reliably solve the problem of peak voltage caused by the storing energy of leakage inductance of hf transformer
論文提出一種新型移相全橋軟開關周波變流型三相高頻鏈逆變器,電路的主要優點是:前級移相全橋的移相角控制在_ d _ i和_ ( overlap ) - _ d條件下,超前橋臂零電壓開通,滯后橋臂零電流關斷,並使周波變流器所有開關在零電壓期間重疊換相,使整機開關最大程度地實現了軟開關,並可靠解決了高頻變壓器漏感儲能引起的電壓尖峰問題。General rules of high frequency coils and intermediate frequency transformers for electronic equipment
電子設備用高頻線圈及中頻變壓器的通用規則We took the high frequency flyback converter design as an example and made a calculation model of the total loss of the high frequency flyback transformer. on basis of the caculation model combined with the systemic method of designing dc - dc converter, and the method which is base on the current shape, is presented to achieve the appropriate parameters of the flyback transformer, an optimized approach to design high frequency dc - dc converter is given in this paper. the appropriate parameters were achieved by genetic algorithm. through this method, a practical high frequency flyback
2 .在理論分析的基礎上,以優化高頻變壓器的磁芯損耗和繞組損耗為目標,以單端反激式變壓器為例建立了高頻變壓器的總損耗計算模型,在該損耗計算模型的基礎上結合從系統角度設計dc - dc變換器的方法和考慮電感電流波形對變換器設計的影響,採用一種基於遺傳演算法的高頻dc - dc變換器的優化設計方法,該優化方法實現是通過遺傳演算法計算得到設計參數的最優取值。Its being used can form high efficiency insulated switching power supply without using utility power transformer. the switching power ic is selected firstly in the design of high power switching power supply, precision switching power supply, application specific switching power supply and so on in the world, which has been making switching power supply short, small, light and thin the control techniques of dc - dc switching converters are completely described and analyzed
單片開關電源管理集成電路具有高集成度、高性價比、簡單外圍電路、優越性能指標等優點,能構成高效率無工頻變壓器的隔離式開關電源,目前已成為國際上開發中、小功率開關電源、精密開關電源、專用開關電源以及開關電源模塊的優選集成電路,使得開關電源正朝著短、小、輕、薄的方向發展。Our products are applied to the peripheral devices of producing hi & low frequency transformers, the main products include automatic winding machine, taping machine, automatic soldering machine, etc
我們的產品專用於生產高低頻變壓器的周邊設備,主要產品包括自動繞線機,膠布機,自動焊錫機等系列。Found in 1997, moso has developed a wide range of power supply products : switching power supply, linear power supply, battery charger, mobile phone charger, transformer and kwh meter counter etc. mosopower occupies 30000 square meters modern factory with 40 semi - auto production lines, advanced production equipments and first class lab
公司系中港合資企業,享有獨立的進出口權,專業生產各種開關電源及適配器手機充電器高低頻變壓器ac dc ac ac適配器和高精度電能表計度器。The thesis analyses the effect of phase shift control and the utilization of the transformers primary sides saturable inductor to the transformers secondary sides voltage duty cycle, and basic on the buck converter s small signal ac model the converter s model is deserved, and infers control to output transfer function
論文通過分析移相控制方式和高頻變壓器一次側的飽和電感對高頻變壓器二次側方波電壓占空比的影響,在buck變換器小型號模型的基礎上建立了帶飽和電感的移相控制零電壓開關全橋變換器的小信號模型,推導出控制到輸出的小信號傳遞函數。In order to reduce the size and weight of the transformer, as the development of high frequency switching technology, it is possible that the high frequency transformer replaces the low frequency transformer
為了克服低頻變壓器笨重、體積大等缺點,隨著高頻開關技術的不斷成熟,去掉低頻變壓器成為可能。The basic technique to achieve the target is that raising the frequency of the power supply, mainly of dc - dc converter. there are several key techniques by which we carry out the high frequency of the dc - dc converter. they are high frequency and low loss ferrite technique, design - optimization of the high frequency transformer and circuit technique, and install of dc - dc converter technique
當前實現開關電源高頻化這一目標的關鍵技術,有採用鐵氧體材料研製dc - dc變換器技術,高頻變壓器的優化設計,電路的優化設計,高頻dc - dc變換器的製作與安裝等技術。Abstract : the uni - polarity phase - shifted controlled voltage mode ac / ac converters with high frequency ac link based on forward converters are firstly proposed and deeply investigated. this kind of converters is constituted of input cycloconveter, high frequency transformer, output cycloconverter, input and output filters. it includes full bridge - full wave mode and full bridge - full bridge mode topologies, the former is suit for low output voltage field and the later is suit for high output voltage field
這類變換器由輸入周波變換器、高頻變壓器、輸出周波變換器、以及輸入、輸出濾波器構成,包括全橋全波式、全橋橋式兩種電路,前者適用於低壓輸出變換場合,後者適用於高壓輸出變換場合。分享友人