专利名称:Method and arrangement for charging
capacitors of direct-voltage intermediatecircuit of frequency converter
发明人:Pöyhönen, Simo,Talja, Markku申请号:EP06114621.3申请日:20060529公开号:EP1732201A2公开日:20061213
专利附图:
摘要:A method and an arrangement for charging capacitors of a direct-voltageintermediate circuit of a frequency converter. The arrangement comprises a charging
circuit (CCA) comprising a first diode (D1) and a second diode (D2) connected in serieswith the first diode (D1) and a current-limiting component (AA) connected in parallel withthe series connection of the diodes (D1, D2), whereby said capacitors may be chargedthrough a main switch (K1b, K2b, ..., Knb) of the capacitor, the first diode (D1) and thecurrent-limiting component (AA).
申请人:ABB Oy
地址:Strömbergintie 1 00380 Helsinki FI
国籍:FI
代理机构:Kaukonen, Juha Veikko
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