螺杆泵井电机降容技术

Oil Drilling & Production Technology(2006)

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Abstract
地面驱动螺杆泵井多配置Y系列三相异步电机,考虑到启动扭矩的影响,现场电机配置功率明显偏高,使电机负载率低,增加了无功损耗。对此,在理论分析和现场测试的基础上,根据螺杆泵井启动扭矩和功率的变化特点,引进了双功率电动机,与Y系列电机相比,节电可达10%以上。28口井的现场应用表明,可有效降低装机功率,降低生产能耗,提高螺杆泵采油系统效率,具有较好的推广应用前景。
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Key words
binary power motor,variation characteristic,surface driven screw pump,electrical power
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