一种新型大功率风机无级调速节能动力装置设计
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摘要
针对驱动风机负载的大功率电机无级调速困难、变频器价格昂贵、低速段效率低等问题,提出了一种基于行星差动传动原理的大功率风机无级调速节能动力系统。以节能为目标,给出了无级调速动力装置的优化设计方法,建立了大功率电机与变频调速电机的匹配关系。基于相似性原理研制了调速系统模型样机,并进行了调速和节能性能试验。结果表明:提出的无级调速动力装置能很好的实现无级调速功能,且相比于单独变频电机拖动,在调速范围内具有显著的节能优势。
A new type of energy saving system with stepless speed regulation for high-power wind turbines is proposed based on the principle of planetary differential transmission in order to solve to problems of stepless speed regulating difficulty,high price of inverters and low efficiency at low speed for high-power motor used to drive wind turbines. An optimal design method for the stepless speed regulation device is given. The matching relationship between high-power motor and variable frequency speed regulating motor is expressed for energy saving. A test prototype of device is developed according to the similarity principle,the speed control and energy-saving performance tests are carried out. The results show that the stepless speed regulating can be realized well by using the proposed stepless speed regulation power device. The energy saving effect is remarkable compared with a single inverter motor driving system in the specific speed range.
A new type of energy saving system with stepless speed regulation for high-power wind turbines is proposed based on the principle of planetary differential transmission in order to solve to problems of stepless speed regulating difficulty,high price of inverters and low efficiency at low speed for high-power motor used to drive wind turbines. An optimal design method for the stepless speed regulation device is given. The matching relationship between high-power motor and variable frequency speed regulating motor is expressed for energy saving. A test prototype of device is developed according to the similarity principle,the speed control and energy-saving performance tests are carried out. The results show that the stepless speed regulating can be realized well by using the proposed stepless speed regulation power device. The energy saving effect is remarkable compared with a single inverter motor driving system in the specific speed range.
引文
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[11]胡佳琳,秦哲,臧怀泉,等.电动汽车永磁同步电机遗传优化鲁棒控制[J].燕山大学学报,2017,41(1):51-55.HU J L,QIN Z,ZANG H Q,et al.Robust control of genetic algorithm for permanent magnet synchronous motor used in electric vehicle[J].Journal of Yanshan University,2017,41(1):51-55.
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[13]刘彦军.基于行星差动技术的大功率电机无级调速系统软启动及效率研究[D].秦皇岛:燕山大学,2014.LIU Y J.Research of stepless speed regulating high-power motor system soft-start and efficiency based on planetary differential technology[D].Qinhuangdao:Yanshan University,2014.
[2]YANG Z B,QU Z P.Analysis and research of soft-start mode applied to large capacity and long-distance belt conveyor[J].Advanced Materials Research,2014,1027:286-289.
[3]李传龙.电力机械无级变速器优化设计与特性研究[D].长春:吉林大学,2017.LI C L.Optimization design and characteristic study on electromechanical continuously variable transmission[D].Changchun:Jilin University,2017.
[4]丁海港,赵继云,李广洲.阀泵联合大功率液压调速方案分析[J].煤炭学报,2013,38(9):1703-1709.DING H G,ZHAO J Y,LI G Z.Analysis of valve-pump combined high power hydraulic speed regulation schemes[J].Journal of China Coal Society,2013,38(9):1703-1709.
[5]邓之鹤.带式输送机的软起动技术研究[D].成都:电子科技大学,2008.DENG Z H.Research on soft start technology of belt conveyor[D].Chengdu:University of Electronic Science and Technology,2008.
[6]YU W,WANG Y,ZHANG D.Research on variable frequency energy-saving control strategy of precooling water pump[C]//International Conference on Electrical and Control Engineering,Yichang,2011:2537-2540.
[7]钟伟强.变频调速电机节能分析[J].广西节能,2004(2):28-29.ZHONG W Q.Energy saving analysis of frequency control motor[J].Guangxi Energy Saving,2004(2):28-29.
[8]饶振纲.行星传动机构设计[M].北京:国防工业出版社,1994:109-129.RAO Z G.Design Planetary Gear Dechanism[M].Beijing:National Defend Industry Press,1994:109-129.
[9]刘惟信.机械优化设计[M].北京:清华大学出版社,1994:230-303.LIU W X.Optimization design of mechanism[M].Beijing:Tsinghua University Press,1994:230-303.
[10]许允斗,滕志程,郭江涛,等.基于遗传算法的锻造操作机缓冲机构尺度优化[J].燕山大学学报,2016,40(3):202-206.XU Y D,TENG Z C,GUO J T,et al.Dimension optimization of buffering mechanism of forging manipulator based on genetic algorithm[J].Journal of Yanshan University,2016,40(3):202-206.
[11]胡佳琳,秦哲,臧怀泉,等.电动汽车永磁同步电机遗传优化鲁棒控制[J].燕山大学学报,2017,41(1):51-55.HU J L,QIN Z,ZANG H Q,et al.Robust control of genetic algorithm for permanent magnet synchronous motor used in electric vehicle[J].Journal of Yanshan University,2017,41(1):51-55.
[12]马化海.大型皮带运输机软启动装置设计与性能研究[D].哈尔滨:哈尔滨工业大学,2010.MA H H.Design and performance research of soft sstart-up equipment on giant belt conveyor[D].Harbin:Harbin Institute of Technology,2010.
[13]刘彦军.基于行星差动技术的大功率电机无级调速系统软启动及效率研究[D].秦皇岛:燕山大学,2014.LIU Y J.Research of stepless speed regulating high-power motor system soft-start and efficiency based on planetary differential technology[D].Qinhuangdao:Yanshan University,2014.