| G7变频器在大倾角煤层电牵引采煤机中的应用 |
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| 引用本文： | 沈宏飞,秦亮. G7变频器在大倾角煤层电牵引采煤机中的应用[J]. 煤矿机电, 2008, 0(2): 83-85 |
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| 作者姓名： | 沈宏飞 秦亮 |
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| 作者单位： | 天地科技股份有限公司上海分公司,上海,200030 |
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| 摘 要： | 针对采用G7变频器的电牵引采煤机在大倾角煤层使用时存在泵升电压过高和制动器控制问题,分析了通过外接制动电阻、能量再生单元和使用制动器控制功能块解决上述问题的过程,提出能量再生单元技术。经实测收到较好的效果。
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| 关 键 词： | 泵升电压 制动单元 能量再生单元 制动器 |
| 文章编号： | 1001-0874(2008)02-0083-02 |
| 修稿时间： | 2007-11-09 |
Application of G7 Frequency Converter to Electrical Haulage Shearer on Steep Seam |
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| SHEN Hong-fei,QIN Liang. Application of G7 Frequency Converter to Electrical Haulage Shearer on Steep Seam[J]. Colliery Mechanical & Electrical Technology, 2008, 0(2): 83-85 |
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| Authors: | SHEN Hong-fei QIN Liang |
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| Affiliation: | SHEN Hong-fei,QIN Liang(Shanghai Branch of Ti,i Science & Technology Co.,Ltd.,Shanghai 200030,China) |
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| Abstract: | In view of the high pumping voltage and brake control problems existed in the application of G7 frequency converter to the electrical haulage shearer on steep seam,the paper analyzes related solutions by external braking resistance,energy regenerative unit and braking control functional blocks.The energy regenerative unit technology is put forward.The actual measurement receives a good effect. |
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| Keywords: | pumping voltage braking unit energy regenerative unit brake |
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