Reverse power relay a reverse power relay is a relay with a wattmeter movement that senses the direction of power flow.
逆功率继电器逆功率继电器是指带瓦特计的继电器，用来感知电流的方向。
The power switches is able to control the direction of power flow as long as the capacitor voltage is kept higher than the system voltage.
只要电容电压比系统电压高，则电能开关就能控制能流方向。
The thesis mainly discusses the power flow direction, classification, characteristic, application of the inverter, and the drawbacks of the popular inverter topology.
主要论述了逆变器的功率流方向，分类，特点，应用场合，以及现在流行的逆变器拓扑的缺陷等。
Vehicle power steering systems control direction and flow of pressure oil with servo valves, then transfer angular inputs from steering wheels to corner angular outputs of road wheels.
车辆液压动力转向系统通过伺服阀控制压力油的方向和流量，把转向盘输入的转角信号转变为车轮的偏转角度输出。
The direction of harmonic power flow should be understood and the position of harmonic source can be determined according to the direction of harmonic power while harmonics exist in power network.
电力系统中有谐波存在时，应该了解谐波功率的方向，并按谐波功率的方向确定谐波源的位置。
Liquid system is the need for oil pressure, flow, direction control and regulation to meet the needs of working parts in the power, speed and direction requirements.
液正系统工作，必须对油液压力、流量、方向进行控制与调节，以满足工作部件在力、速度和方向上的要求。
The profile of cavity photon flux along the flow direction and the total output power has a simplified analysis formula for COIL but no for NCl(a)-I AGIL due to its complexity.
AGIL的体系较为复杂，不能得到光子通量沿流动方向分布和输出功率的简化计算公式。
Besides existing the single transmission questions, two grades of reducer have other problems, such as dimension coordinate, transmission radio distribute, power flow direction and balancing.
双级减速器除了存在单级的传动问题以外，还有外形尺寸协调、传动比分配、功率流分流及机构平衡等问题。
In chemical flooding, consistency coefficient of the oil displacement agent declines exponentially, the power law exponent increases linearly in the direction of percolation flow.
在驱油过程中，驱油剂的稠度系数沿渗流方向呈指数规律减小，而幂指数则以线型规律递增。
Based bilateral contract first principle, a novel power flow tracing method is proposed which can take into consideration of power flow direction of the bilateral contract.
因此基于已有的双边交易优先的节点功率分配原则，本文提出了一种考虑双边交易功率指向的潮流追踪算法。
The utility model has the advantages of changing flow direction without the valve box, can make the double-nozzle air turbine wave power generation device generate electricity in the wave.
本实用新型的优点是能不用阀箱改变气流方向，就能使双喷嘴空气透平波浪发电装置在波浪中发电。
Because the proportional principle based power flow tracing method can't take into consideration of power flow direction of the bilateral contract.
因为基于比例分配原则的潮流追踪法不能考虑到双边交易的特性。
The numerical result shows that the power flow direction is reverse to that of phase velocity.
数值结果显示了在这种波导中能量的流向和相速度具有相反方向。
The numerical result shows that the power flow direction is reverse to that of phase velocity.
数值结果显示了在这种波导中能量的流向和相速度具有相反方向。
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