| 循环水泵电机双速改造在600MW机组中的应用 |
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| 引用本文： | 李继忠.循环水泵电机双速改造在600MW机组中的应用[J].安徽电力职工大学学报,2012(1):66-70. |
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| 作者姓名： | 李继忠 |
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| 作者单位： | 安徽阜阳华润电力有限公司,安徽阜阳236158 |
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| 摘 要： | 交流电动机的调速方法很多,有变频调速、改变磁极对数调速、改变转差率调速、转子回路（绕线式）串电阻调速等等。其中改变磁极对数调速因改造费用低、维护运行保养方便、可靠性高等优点被越来越广泛应用。
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| 关 键 词： | 电动机 双速 循环水泵 节能 |
Application of Circulating Water Pump Electrical Machinery Two Speed Transformation in 600MW Unit |
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| LI Ji-zhong.Application of Circulating Water Pump Electrical Machinery Two Speed Transformation in 600MW Unit[J].Journal of Anhui Electric Power College for Staff,2012(1):66-70. |
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| Authors: | LI Ji-zhong |
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| Affiliation: | LI Ji-zhong(Anhui Fuyang China Resources Electric Power Limited Company,Fuyang 236158,China) |
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| Abstract: | AC motor′s velocity modulation methods are many,including the frequency conversion to modulate velocity,changing number of pole pairs for velocity modulation,changing slip ratio for velocity modulation,the rotor return route（wound-rotor type） string resistance velocity modulation and so on.And because the low transformation expense,the convenient maintenance and operation and the higher reliability,changing number of pole pairs for velocity modulation is more and more widely applied. |
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| Keywords: | electric motor two speed circulating water pump energy conservation |
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