电气自动化
電氣自動化
전기자동화
ELECTRICAL AUTOMATION
2014年
5期
4-6,11
,共4页
宽变频发电%电流初始化方式%软开关变流器%谐振直流环节逆变器%过零点转换
寬變頻髮電%電流初始化方式%軟開關變流器%諧振直流環節逆變器%過零點轉換
관변빈발전%전류초시화방식%연개관변류기%해진직류배절역변기%과영점전환
wide variable frequency power generation%current initiation mode%soft switching inverter%RDCLI (Resonant DC Link Inverter)%zero crossing point conversion
为了给400 Hz交流负载供电，提出了一种新型在宽变频电源条件下的频率转换方法。供电设计应用一种软开关的谐振直流环节逆变器（RDCLI），供电方式可以避免过零点故障。零回滞开关控制电路被用于转换宽频交流电到400 Hz交流电。设计带软开关的变流器既考虑了降低开关过程的能量损失，又考虑了足够的电流调制带宽。变流器的原理由搭建的saber模型经行验证，保证了可控性，可靠性和输出波形质量。
為瞭給400 Hz交流負載供電，提齣瞭一種新型在寬變頻電源條件下的頻率轉換方法。供電設計應用一種軟開關的諧振直流環節逆變器（RDCLI），供電方式可以避免過零點故障。零迴滯開關控製電路被用于轉換寬頻交流電到400 Hz交流電。設計帶軟開關的變流器既攷慮瞭降低開關過程的能量損失，又攷慮瞭足夠的電流調製帶寬。變流器的原理由搭建的saber模型經行驗證，保證瞭可控性，可靠性和輸齣波形質量。
위료급400 Hz교류부재공전，제출료일충신형재관변빈전원조건하적빈솔전환방법。공전설계응용일충연개관적해진직류배절역변기（RDCLI），공전방식가이피면과영점고장。령회체개관공제전로피용우전환관빈교류전도400 Hz교류전。설계대연개관적변류기기고필료강저개관과정적능량손실，우고필료족구적전류조제대관。변류기적원이유탑건적saber모형경행험증，보증료가공성，가고성화수출파형질량。
A new type of frequency conversion approach under wide variable frequency power is presented for the purpose of power supply to the 400 Hz AC load.In this design,a Resonant DC Link Inverter (RDCLI)of soft switching is applied to avoid zero-crossing point fault. The zero-hysteresis switching control circuit is used to the conversion from wide variable frequency AC to 400 Hz AC.Such converter with soft switching is designed under the consideration of both energy loss in the switching process and adequate bandwidth for current regulation.The principle of the converter is validated by a Saber model to guarantee the controllability,reliability and qualified output waveform.
