Exiting Issues of Control Circuit in Direct-current Switch Machines 直流转辙机控制电路存在的问题与改进
The actuation system controls the unidirectional PWM direct-current machine using the interior bridge circuit of L298. 驱动系统利用L298内部的桥式电路来控制单向PWM的直流电机。
A Method to Control the Supply Electricity of Electric Industrial Trucks and ah Analysts of the Temporary State Process of the Direct-Current Tractive Motor 电动工业车辆供电电流的控制及直流牵引电动机暂态过程分析
Corrosion prevention by galvanic polarization direct-current measuring transductor 电流极化抗腐蚀处理直流测量用饱和电抗器
Based on the theoretical investigation on direct-current electrical field in cased holes, a simplified transmission-line model is proposed. 根据套管井中直流电场的理论研究成果,提出了一种简化的套管传输线模型。
Universal test armature direct-current measuring transductor 交直流电通用试验机直流测量用饱和电抗器
A number of direct-current experiments also can be performed, using a6-volt storage battery as a source of power. 一个直接电流实验次数也可以执行,以此作为动力源的6伏的蓄电池。
The alternate-current work characteristic and the direct-current magnetization of the magneto-elastic transducer with the transformer steel have been studied experimentally. 实验研究了取向硅钢片压磁式测力器的交流工作特性和直流磁化规律。
Implementation of direct-current motor speed governor based on FPGA 基于FPGA直流电机调速器的实现
The utility model belongs to the technical field of electric machines, particularly a high-voltage direct-current permanent magnetic small and special electric machine. 本实用新型属于电机技术领域,具体涉及高压直流永磁式微特电机。
PLC and24V direct-current supply are adopted in the electrical system of concrete pumps. 混凝土泵电气系统采用可编程控制器编程控制,系统采用24V直流供电;
The utility model relates to a thawing device for a transmission line, disclosing a mobile direct-current thawing device for the transmission line. 本实用新型涉及用于输电线路的融冰装置,公开了一种用于输电线路的移动式直流融冰装置。
Implementation of a single-chip based row cabinet for direct-current power supply assignment 基于单片机的直流电源分配列柜的实现
Buckingham recognized the analogy between potentials in unsaturated-flow systems and in other flow systems. direct-current measuring transductor 白金汉认为在非饱和水流体系和其他水流系之间的势有相似性。直流测量用饱和电抗器
These included alternating-and direct-current converters, and sensors that could moderate the power consumption of streetlamps, fridges and air conditioners. 这些产品包括交互式和直流转换器,能够节省路灯,冰箱和空调用电的传感器。
The accompanying sound electric-level detection circuit converts the accompanying sound signal to the direct-current electric level. 伴音电平检测电路将伴音信号转换成直流电平。
By adjusting the direct-current bias voltage and modulation depth, the shape of transmission curve can be controlled. 通过调节直流偏置电压和调制深度,来控制调制器透射曲线。
Reformed the two aspects of the power supply, a great improvement of the reliability of the mine-used direct-current stabilivolt power supply is made. 并从这两方面对电源进行了改造,使矿用直流稳压电源可靠性有了很大提高。
The article proposed the split-ring direct-current manostat based on the switch type AC-DC transformation. 文章基于开关式AC-DC变换提出了开环直流稳压器。
A method calculating bus voltage and grounding resistance of direct-current system based on grounding current is proposed. This method provides theoretical basis to design the device for insulation control of direct-current system. 给出了直接根据测量出的接地漏电流计算直流系统接地电阻和母线对地电压的方法,该方法为设计直流系统绝缘监测装置提供了理论依据。
The initiating detonation systems of voltage multiplying rectification, half-wave rectification and direct-current supply are designed to implement the control ignition system of PDE over ignition energy and spark frequency. 设计的倍压整流、半波整流和直流供电的脉冲爆震发动机起爆点火系统实现了点火能量和火花放电频率的控制。
Study on μ Synthesis Design to a Kind of Direct-current Motor Servo System 一种直流电机伺服系统的μ综合研究
The history of top drive drilling system from direct-current drive to variable-frequency drive is introduced. 简述了国外钻机顶部驱动系统由直流顶驱逐步演变到变频顶驱的发展历史。
Meanwhile, the temporary state process of the direct-current tractive motor is analysed. 同时,对直流牵引电动机的暂态过程进行了分析。
Study on the application of optimum control to direct-current linear motion actuator 最优控制策略在直线直流电机中的应用研究
Calculation of Bus Voltage and Grounding Resistance for Direct-Current System 直流系统接地电阻和母线对地电压的计算
Study and Applications on the Type of High-Voltage Direct-Current Transformation System 高压直流输电系统中线路结构的研究与实现
It used direct-current moment of force to drive the pipeline, control the speed of electromotor through PWM. 管道的驱动装置用直流力矩电机来实现,通过PWM脉宽调制来实现对电机转速的控制。