The study is focused on the application realization of Active Power Filter with Single Injection Circuit and gives a further study of the key technologies of APF.
论文以单独注入式有源电力滤波器的工程实现为主线，对有源滤波器的关键技术进行了研究。
In view of the topology of the hybrid active power filter with injection circuit, analysis its principle in detail, as well as choice the desirable resonance frequency.
本文针对混合型有源电力滤波器的电路拓扑，介绍了无源注入支路的基本工作原理，重点阐述了如何选择注入支路的调谐频率。
The sample and hold circuit is employed by the bottom plate sampling technique, which could not only cancel the charge injection error but also eliminate the effect of clock feed-through.
采样保持电路设计采用了电容下极板采样技术，不仅有效地避免了电荷注入效应引起的采样信号失真，而且消除了时钟馈通效应的不良影响。
The principle, structure and parameters of the solenoid valve used to control the fuel injection timing of VE pump are described. The control method and circuit are studied.
详细介绍了新研制的电控式VE分配泵供油正时控制电磁阀工作原理、结构形式、参数计算、控制方式以及对应的驱动电路。
This paper introduces the requirement of mould material and technology of circuit breaker handle, the location of runner and the determination of injection mould structure.
文中叙述断路器手柄塑件材料和工艺的要求、浇口位置的分析及合理确定注塑模具结构。
The ECU accomplishes the fast energizing of the solenoid valve by driving circuit with high frequency PWM, and detects the start of injection by the differential signal of driving current.
采用高频脉宽调制功率驱动电路进行电磁阀的高速强力驱动，并利用电流微分信号有效反馈了控制阀关闭始点。
Regard: The hot injection molding technology have great potentialities to produce the aluminum oxide electricvacuum ceramic tube, which will be used in higher or low-voltage circuit.
重点对热压铸成型工艺控制进行了论述，热压铸成型工艺用于中、低压领域的氧化铝陶瓷真空管的生产，具有潜力可挖。
Hydraulic circuit controlled by proportional valve. The clamping and injection stroke are controlled by potentiometer. Microprocessor can save up to 46 sets of mould date.
油压回路采用比例式电磁阀(全比例)控制，电控采用微电脑控制射出、关模，行程采用数位尺控制，能记忆46组模具资料。
Hydraulic circuit controlled by proportional valve. The clamping and injection stroke are controlled by potentiometer. Microprocessor can save up to 46 sets of mould date.
油压回路采用比例式电磁阀(全比例)控制，电控采用微电脑控制射出、关模，行程采用数位尺控制，能记忆46组模具资料。
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