power-fail recovery

The feature of the progressive cavity pump mobile intermittent recovery technique is using a tractor as power unit, adopting a double universal coupling transmitting the power to a drive head to make the rod string rotate and thereby drive the progressive cavity pump for pumping.

新开发的螺杆泵机动间歇采油技术及设备的主要特征是用拖拉机做动力源，用双万向联轴器把动力传递给驱动头，由驱动头带动抽油杆柱旋转，进而驱动螺杆泵旋转抽油。

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Many companies also have their patent technology in this respect, the most outstanding is: the power unit of main loop IGBT bypass and self-recovery technology ( patent number: 200620035656).

很多公司在此方面也拥有各自的专利技术，最突出的是：功率单元主回路IGBT旁路及自恢复技术（专利号：200620035656）。

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The patients were followed for an average of 3 years to evaluate the muscle power of biceps brachii and recovery of elbow flexion.

术后平均随访3年，观察肱二头肌屈肘功能及肌力的恢复。

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In recent years, along with the economic recovery, the macro-environment the banking industry facing is in change step by step, Economy is recovering but the power of the economic recovery is still insufficient.

近年来，随着经济的逐步复苏，银行业发展面临的宏观环境在不断的变化，经济逐步复苏，但是经济复苏的动力仍然不足。

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The results show that recovery voltage of temporary fault contains the components of power frequency component and free component, while the recovery voltage of permanent fault only contains power frequency component.

研究表明单相瞬时性故障时的恢复电压由自由分量与工频分量叠加而成，而永久性故障时的恢复电压中只包含工频分量。

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A novel equivalent value tariff for reactive power is built to answer for the peculiarity of reactive power cost, and its price mechanism has features of market justice, emphasizing recovery to reactive power investment and restraining price aiguille.

提出的无功等值电价为无功电量电价和容量电价之和，该定价方法符合无功成本特征，其价格机制具有市场公平性、注重无功投资回报和抑制价格尖峰的特性。

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A macro-model of SCR in consideration of reverse recovery process and thermal performance is established in this paper. Transient simulation of a thyristor module used for HVDC power transmission is performed by using this model.

考虑温度特性和反向恢复过程后建立了可控硅器件宏模型以仿真高压直流输电用可控硅模块暂态特性。

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High frequency power supply for electrostatic precipitator has some excellences such as high efficiency, short time of spark recovery and small volume.

高频静电除尘电源具有效率高、火花恢复时间短、体积小等一系列优点。

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Mr Abe, who came to power in December, sought to take credit for the recovery even as he held out the possibility of new measures to support it.

去年12月上台的安倍晋三寻求将经济复苏归功于自己的政策，即便他同时表示，仍有可能采取新的措施来支持复苏。

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Application of timing recovery in power electronic system integration

时钟恢复在电力电子系统集成中的应用

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