恒压供水水泵机组简易系统

doi:10.3969/j.issn.1674-8530.2001.06.011

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Abstract A parallel connection system of pump units pipeline system and working principle are presented.The working logic relation of each section has been analyzed with the changing of outer water supply. Some questionscan be solved by this system, for example, pumps racing when the pressure of inlet is negative, pumps erodingwhen the rotating parts was stationary if the pressure of inlet is positive.

Key words： Frequency Conversion Isobaric water supplying Automatically Controlling

Received: 07 August 2013

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	CAO Wei-Dong-；Zhu-Rong-Sheng-；Shi-Wei-Dong-；Pan-Wei-Dong

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CAO Wei-Dong-；Zhu-Rong-Sheng-；Shi-Wei-Dong-；Pan-Wei-Dong. A Simple System of Pump Units Used for Isobaric Water Supplying[J]. Journal of Drainage and Irrigation Machinery Engin, 2001, 19(6): 31-32.

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http://zzs.ujs.edu.cn/pgjx/EN/10.3969/j.issn.1674-8530.2001.06.011 OR http://zzs.ujs.edu.cn/pgjx/EN/Y2001/V19/I6/31

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[1]	LI Liang,HOU Shiwen^,WANG Xingtian,LIU Wenbin,WANG Shifeng. A new type thermal insulation cabinet of outdoor frequency conversion controller*[J]. Journal of Drainage and Irrigation Machinery Engin, 2019, 37(4): 363-368.