The main drive chain and the bearing chain divide the polished rod load into reverse pumping load and equilibrium load.
主传动链与承载链将悬点载荷分解为换向抽汲载荷与平衡载荷。
So the pumping flow can be increased to burden more load with the permission of pumping and injection.
因此在抽水和回灌允许的情况下，可以加大抽水流量，使井承担更大的负荷。
This paper mainly focuses on the fluctuation of velocity and torque of the electromotor because of the variational load in the pumping unit equipment.
摘要抽油机中载荷变化大，易引起电动机转速和转矩的波动。
Influence factors on working load of pumping unit have many, so the conclusion need further perfection.
然而影响抽油机工作载荷状况的因素很多，所以该结论还需要进一步完善。
This paper emphatically discussed about the effects of change of the refrigerator load on pumping speed, limiting pressure, pumping capability etc.
本文着重讨论了制冷机负载特性的变化对现代低温泵的抽速、极限压强、抽气容量等抽气特性的影响。
A great deal of electricity is used in pumping unit every year, which caused by load performance and the higher capacity used than actual need, and the electricity leakage.
抽油机每年需要大量的电能，由于抽油机的负载特性，所配电机的功率大于实际使用功率，使其效率很低，存在巨大的浪费电能现象。
Under low to medium load levels, the valves are set for low lift and early closure to reduce pumping losses and improve fuel economy.
低中负荷水平下，阀门设置较低的升力系数和早期关闭泵损失减少，提高燃油经济性。
A dual variable-diameter wheel pumping unit, which has long stroke and low pumping speed and large load capacity, is designed based on conventional beam pumping units.
双变径轮式抽油机是在继承常规游梁式抽油机优点的基础上设计而成的大载荷、长冲程、低冲次节能型抽油机。
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。
The influence of variable load on a beam pumping unit on the electric current, input power, efficiency and power factor of the electric motor is discussed, and relevant calculating formulae are given.
讨论了游梁抽油机的变动载荷对电动机的电流、输入功率、效率和功率因数的影响，给出了计算公式。
The energy consumption of the beam pumping unit is proportional to the coefficient of load fluctuation CLF.
游梁式抽油机的耗能量与载荷波动系数CLF成正比。
The load applied on the crank pin of a beam pumping unit and the failure patterns of the pin are analyzed.
分析了游梁式抽油机曲柄销所受载荷及失效形式。
This paper analyses various factors on the optimum load matching in photovoltaic water pumping system (PVWPS).
分析了影响光伏水泵系统负载配置最优选择的诸要素。
Abstract: To simulate the polished rod load of the pumping unit, a new polished rod load simulation test device has been designed.
摘要：为模拟抽油机悬点载荷，设计了一种新型抽油机悬点载荷模拟试验装置。
This pumping unit provides for the advantages of high load-carrying capacity, long life and ease of manufacture.
这种工作机构为单一的连杆机构，具有承载能力大、寿命长、制造容易的优点。
Moreover, this kind of pumping unit can be started in the condition of zero-load and run in the condition of full-balance.
该机整机结构简单、受力均匀、运行平稳、可靠性高，并能实现完全平衡和空载启动。
Moreover, this kind of pumping unit can be started in the condition of zero-load and run in the condition of full-balance.
该机整机结构简单、受力均匀、运行平稳、可靠性高，并能实现完全平衡和空载启动。
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