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san ci xie bo fu zhu huan liu gao gong lv yin shu chuan ji diao su xi tong zai luo ci feng ji diao su jie neng zhong de ying yong
Author(s): 
Pages: 3-5
Year: Issue:  3
Journal: S&M Electric Machines

Keyword:  电机风机串级调速功率因擞谐波;
Abstract: 普通串级调速系统的功率因数一般只有0.3~0.6,本系统采用三次谐波辅助换流逆变器,其功率因数可达0.75~0.9以上。在金华水泥厂罗茨风机上使用后,在相同负载下,本系统与普通串调相比,从电网极取的电流减少40%,节能可达25%~40%。该技术已获国家发明专利并通过省级鉴定,达到国际先进水平。
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