| 瑞明电厂引风机变频控制的设计与实现 |
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| 引用本文： | 李红宇.瑞明电厂引风机变频控制的设计与实现[J].广东电力,2010,23(1):69-73. |
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| 作者姓名： | 李红宇 |
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| 作者单位： | 广东粤华发电有限责任公司,广东,广州510731 |
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| 摘 要： | 介绍了瑞明电厂2号机组6kV引风机电动机变频技术改造项目中的热工控制方案和实现方法,即1套变频装置控制1台引风机,保留原有的电动机,在电动机与6kV断路器之间串联高压变频器;引风机变频控制改造增加的卡板及逻辑放在1号过程控制器(distributed process unit,DPU)站。改造后的实际运行情况表明:变频器的启停控制正常,电动机转速控制精确,炉膛负压调节稳定,在运行中能较好地进行工频、变频转换,引风机电动机电流比改造前下降了65%,节能效果明显。
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| 关 键 词： | 变频控制技术 引风机 热工控制系统 |
Design and Realization of Frequency Control on Induced Draft Fan in Ruiming Power Plant |
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| LI Hong-yu.Design and Realization of Frequency Control on Induced Draft Fan in Ruiming Power Plant[J].Guangdong Electric Power,2010,23(1):69-73. |
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| Authors: | LI Hong-yu |
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| Affiliation: | Guangdong Yuehua Power Generation Co.;Ltd.;Guangzhou;Guangdong 510731;China |
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| Abstract: | The heat engineering control scheme and realization in frequency control transformation for 6 kV induced draft fan motor of Unit 2 in Ruiming Power Plant are described,in which an induced draft fan is controlled by a set of frequency control device,and the original motor is reserved with a serial HV frequency converter between the motor and the 6 kV circuit breaker;the card and logic appended in the frequency control transformation of induced draft fan are placed in Station 1 of distributed process unit(DPU... |
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| Keywords: | frequency control technique induced draft fan heat engineering control system |
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