With the widely use of power electronic device the problem of harmonic distortion in power system becomes ever more important.
随着电力电子装置的广泛应用，电力系统的谐波问题日益突出。
By linking the DC relay contactor with power electronic device, the DC hybrid switch apparatus without switching arcing was designed and accomplished.
采用直流开关电器与电力电子器件相结合方式，设计并实现了能够实现无弧通断的直流混合开关电器。
Because advances electrical machinery's control to the ships is realized through the switching of electric power electronic device, massive harmonics is produced then.
由于对船舶推进电机的控制是通过电力电子器件的开关实现，这势必会在船舶电网中产生了大量的谐波。
The principle of in frequency converter using large high-voltage power electronic device IGBT was discussed. And the cause of fault was analyzed as well as the lesson should be learned.
叙述了大功率高压电力电子器件IGBT变频传动装置整流器系统的原理，着重分析了故障原因及应吸取的教训。
With the wide application of the power electronic device to industry, the harmonic current produced by it is injected into the grid and influences the normal work of the electric equipment.
随着电力电子器件在工业中的广泛应用，其产生的谐波电流注入电网，影响电气设备的正常工作，谐波治理已经成为电力系统的重要问题。
Then, the main power circuit taking electric electronic component IGBT as key device is designed.
设计了以电力电子元件IGBT为核心器件的功率主电路。
Generator is key power device of airplane. It supply power to the precise electronic equipment fixed on board.
发电机是飞机的关键动力设备，是飞机上精密电子装置的主要供电系统。
Comfortable and convenient operation, assembly thermal overload protection device and multi-file electronic speed constant power switch ensure high motor efficiency and durability.
操作舒适方便，装配过载过热保护装置，多档电子调速恒功开关，保证马达的高效率和耐用性。
Power circuit, display device, electronic device and electric power transmission method.
电源电路，显示装置，电子装置与电力传送方法。
A battery is an electrochemical device with the ability to convert chemical energy to electrical energy to provide power to electronic devices.
电池是化学能转换成电能的能力，为电子设备提供电源的电化学设备。
Since 1970s, the nonlinear, the instability and theunbalance of the voltage have become more and more serious due to the electronic device and other nonlinear load in power network.
自二十世纪七十年代以来，由于电力电子器件及其它非线性负荷在电网中大量的投入使用，使电网的非线性、不稳定性和不对称性日趋严重。
In power supply, electronic device works in soft switch condition, so the entire efficiency to be very high.
电源中的电力电子器件工作在开关状态，使整机效率很高。
In the system, an electronic circuit for reducing harmonics of an output signal from a power amplifier in a transmission circuit for a wireless communication device is provided.
在该系统中，提供了一种用于减少来自无线通信设备的发射电路中的功率放大器的输出信号的谐波的电子电路。
Power and Gearing device: Various kinds of motor, reducer, variable-speed motor, lift machine, protection device, and electronic control system etc.
动力与传动装置：各种类型电动机、减速机，变速机、电梯主机，保护装置，电控系统等。
A modular electronic assembly for integration with a pneumatic tire includes a mounting patch, a power source, and at least one electronic device supported by a substrate.
用于集成在充气轮胎内的模块电子组件，其包括安装衬板、电源和至少一个由基片支撑的电子设备。
Working in a 600v DC power supply system, the type ZDB battery charger USES new power electronic insulated-gate bipolar transistors (IGBT) as switching device and adopts PWM control technics.
ZD B型直流电源变换器是工作在直流600v供电系统的变流装置。该装置以新颖电力器件IGBT作为开、关器件并采用PWM控制技术。
The pin can be operative to engage a circuit board of the power adapter to provide power received from the wall socket to an electronic device coupled to the power adapter.
该引脚能够在操作上接合功率适配器的电路板以将从墙上插头接收的功率提供给耦合到功率适配器的电子装置。
The invention relates also to a configuration system of an intelligent electronic device for power transmission and distribution.
本发明还涉及一种用于输配电的智能电子装置的配置系统。
An electronic device and a system start method that reduce electric power consumption and improves convenience.
本发明提供了一种电子装置和系统启动方法。
The invention also provides a method for saving the power consumption of a GPS system in the electronic device.
本发明还提供一种节省该电子装置内GPS系统耗电的方法。
By using the invention, the power consumption of the electronic device can be saved.
利用本发明可节省所述电子装置的耗电。
By using the invention, the power consumption of the electronic device can be saved.
利用本发明可节省所述电子装置的耗电。
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