电气技师维护,测试,重建和修复电动机,变压器,开关柜及其他电器设备。
Electrical mechanics maintain, test, rebuild and repair electric motors, transformers, switchgear and other electrical apparatus.
主要研究适用于高开关频率变频器驱动的感应电动机数学模型。
Inductive motor mathematics model suitable for high switching frequency inverter drive is described in this paper.
开关磁阻电机是由功率开关电路、双凸极磁阻电机及控制器构成的新型调速电动机系统。
The switched reluctance drive is a new variable-speed motor system which consists of power electronically-switched circuits, doubly salient reluctance motor and controller.
故障排除和修复电动机,变压器,开关柜,发电机和其他机电设备。
Troubleshoot and repair electric motors, transformers, switchgear, generators and other electro-mechanical equipment.
增量运动控制系统涉及微秒级甚至纳秒级的电力电子器件的开关暂态过程、毫秒级的数字控制器调节过程和秒级的电动机机电过渡过程。
Increment motion control system refers to microsecond even nanosecond electronic apparatus switch transient process, millisecond digital controller adjust process and second motor transition process.
在手动或电动开关驱动器的使用应视为指示,工程师。
The use of manual or electric switch drive shall be as directed by the engineer.
电动燃油泵,空气流量计,传感器,开关。
线性开关磁阻电动机的结构简单可靠,对于高精度和快速加工执行器是最好的选择。
Linear switched reluctance motor (LSRM) has never been a popular choice for high precision and high speed motion actuator.
方法自动通风换气系统由2个电动调节阀、1个交流接触器、1个开关、1台测氧仪、少量无缝钢管组成。
Method The automatic ventilation and gas exchange system consisted of 2 electronic modulators, alternating current contactor, 1 switch, 1 oxygen meter and some seamless steel tubes.
两个开关点都具有可以非常快地打开和闭合的电动驱动器。
Both switching points have electrodynamic drives which open and close very quickly.
设计了以TMS320 LF 2407为主控制器,电动汽车用开关磁阻电动机数字化驱动系统。
A switched reluctance motor (SRM) drive system used in electric vehicles was designed, which utilized TMS320LF2407 as main controller.
公司主要研发、制造生产器具开关、插座、连接器、电动工具开关等产品。
Company R & D, manufacturing equipment switches, sockets, connectors, switches and other products power tools.
利用电压空间矢量脉宽调制(SVPWM)信号变换控制功率变换器各开关器件的导通占空比,实现异步电动机的速度调节。
Using space vector pulse-width modulation (SVPWM) signal transformation method, speed regulation of induction motor is implemented by controlling the duty ratio of every converter switch.
尤其对发电机、变压器、高压电动机、电压互感器、开关、电容式电压互感器、电流互感器等一次设备有深入的了解。
In particular, the generators, transformers, high voltage motors, voltage transformers, switches, CVT, a current transformer and other equipment have an in-depth understanding.
在电动执行器里,主要限位开关用来控制阀门的开启和关闭位置。
In Electric actuators, the primary limit switches are used to control the open and closed position of the valve.
提出了一种基于数字信号处理器(dsp)的开关磁阻电动机模糊控制系统。
This paper presents a switched reluctance motor (SRM) fuzzy control system based on digital signal proces-sor (DSP).
本文从变频器电动机组成的系统角度出发,研究逆变器开关方式与电机磁场的关系及SPWM调制下电动机磁场的生成特点。
The relations of SPWM inverter switching model and motor field, and motor field characteristics in this circumstance are re-searched.
本发明公开了一种用于电动机保护断路器的开关机构,所述开关机构能够减小调节手柄所需的力,并能够加强断开电路的可靠性。
Disclosed is a switching mechanism for a motor protection circuit breaker capable of reducing a force required to adjust a handle, and capable of enhancing the reliability to break a circuit.
本发明公开了一种用于电动机保护断路器的开关机构,所述开关机构能够减小调节手柄所需的力,并能够加强断开电路的可靠性。
Disclosed is a switching mechanism for a motor protection circuit breaker capable of reducing a force required to adjust a handle, and capable of enhancing the reliability to break a circuit.
应用推荐