This paper discussed how to choose an energy saving motor rationally for beam pumping unit to promote the system efficiency based on the oil well condition.
文中讨论如何根据油井工况合理地选择节能电机，以取得应有的节能效果。
The power factor of distribution system is very low because of the beam pumping unit's load characteristics and oil well group platform's operating characteristics, increases voltage and power losses.
游梁式抽油机的负载特性以及井组平台的运行特性导致了油田配电网功率因数普遍偏低，增加了配电网的电压损失与有功损耗。
For great workload well, the beam-pumping unit works out of balance generally. It not only wastes energy resources, but also shortens the service life of the pumping unit seriously.
常规游梁式抽油机普遍存在平衡不足的现象，既浪费能源，又严重影响抽油机的使用寿命。
For great workload well, the beam-pumping unit works out of balance generally. It not only wastes energy resources, but also shortens the service life of the pumping unit seriously.
常规游梁式抽油机普遍存在平衡不足的现象，既浪费能源，又严重影响抽油机的使用寿命。
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