周波变换器 meaning in Chinese
frequency converter
Examples
- 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
这类变换器由输入周波变换器、高频变压器(或高频储能式变压器) 、输出周波变换器、以及输入、输出滤波器构成。 - The circuit structure which can transfer one unregulated sinusoidal voltage with high thd into another regulated constant frequency sinusoidal voltage with low thd is constituted of input cycloconverter , high frequency storage transformer , output cycloconverter , input and output filter
该电路结构由输入周波变换器、高频储能式变压器、输出周波变换器以及输入、输出滤波器构成能够将一种不稳定劣质的正弦交流电变换成另一种同频率稳定的优质正弦交流电压。 - 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
本文首先论述了dc / ac逆变技术的应用前景及发展现状。基于正激forward变换器的双向电压源型高频环节逆变器电路结构,由输入周波变换器、高频变压器、输出周波变换器、以及输入、输出滤波器构成;双向电压源高频环节逆变器电路拓扑族,包括推挽全波式、推挽桥式、半桥全波式、半桥桥式、全桥全波式、全桥桥式六种电路。 - The unsteady input commercial frequency sinusoidal voltage with high harmonic is modulated into bi - polarity three - state high frequency ac volage by the input cycloconverter , bi - polarity three - state high frequency ac volage is demodulated into uni - polarity three - state spwm wave by the output cycloconverter , and the uni - polarity three - state spwm wave is filter into steady commercial frequency sinusoidal voltage with low harmonic
输入周波变换器将输入不稳定劣质的工频正弦交流电压调制成双极性三态的高频交流电压波，输出周波变换器将此高频交流电压波解调成单极性三态spwm波，经输出滤波后得到稳定优质的工频正弦交流电压。 - This kind of converter has the advantages such as high frequency electrical isolation , simple topology , two - stage power conversion ( lfac / hfac / lfac ) , high power den sity , bi - directional power flow , soft commutation of output cycloconverter , uni - polarity spwm waveform , no audio noise etc . the correction and advance of the new concept of the 220v + 10 % ( 50hz ) / 220v ( 50hz ) uni - polarity phase - shifted controlled voltage mode ac / ac converter with high frequency
这类变换器具有高频电气隔离、电路拓扑简洁、两级功率变换( lfac hfac lfac ) 、功率密度高、双向功率流、输出周波变换器实现了zvs换流、单极性spwm波、无音频噪音等优点。