实验结果表明该节能控制系统利用就地电容补偿原理，降低了抽油机的总损耗，提高了工作效率和功率因数，具有较好的节能效果。
Experiments result shows that this control system increase work efficiency and power factor by applying nearby capacitance compensation theory. The control system processes fine saving energy effect.
输出功率绝不能等于输入功率，因为总存在着损耗。
The output power can never equal the input power, for there are always losses.
输出功率绝不能等于输入功率，因为总存在着损耗。
The output power can never equal the input power, for there are always losses.
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