电源电压

Available options include: over-voltage protection, margining, AC power fail and DC power good logic signals, and remote on/off.

可用选项包括：过电压保护裕度，交流电源故障和直流电源良好的逻辑信号，远程开/关。

The power module can supply the power of system. The signal opsonic module will change the voltage signal into the appropriate signals through filter into data processing module. The data processing module analyzes, calculate and deal with the data gathered. The time clock module provides the clock for multi-rate.

电源模块为系统提供电源；输入调理模块将电网中的信号转变成适当幅度的电压信号经过滤波送入数据处理模块；数据处理模块把采集上来的数据进行分析、计算和处理，时钟模块为复费率提供时钟，此外还有脉冲输出模块和通信模块。

The fast pulse high voltage DC power with star point modulate unit commutates with low voltage modulator solves the above problems, especially, the dip and overvoltag...

而高压滤波电感可以等效到低压星点处，使滤波电感绝缘等级低，通过提供电感续流通道给星点电感预充电，补偿了高压直流开关合分闸时负载电压跌落和过冲，降低电源动态内阻，加速了脉冲边沿动态响应过程，特别适用于需要快速响应脉冲高压电源的微波功率放大元件

Moreover, based on small signal analysis method, the equivalent small-signal model of the main circuit is achieved, and the system transfer function is established by predigesting the double control loop to a single one. On the basis of transfer function, the frequency characteristic of the system is analyzed and the compensator is designed. Emulation results show a good dynamic characteristic of the closed system.

同时，采用小信号分析的方法，建立了开关电源主电路的等效小信号模型，并通过将电流电压双环控制系统转化为单环控制系统获得了开关电源系统的传递函数，在分析系统频率特性的基础上设计了系统的补偿器，仿真结果表明，补偿后的系统具有良好的动态特性。

The measuring systems are successfully used in the electromagnetic pulse measurement generated by impulse voltage discharge and switch operation in 500kV substations. Full waveforms of transient electric field, transient magnetic field, transient voltage of high frequency relay channels and low voltage alternative current power during switch operation period have been obtained, and the fast transient pulses in high frequency relay channels and AC power have been caught.

将该套测量系统成功地应用于500kV变电站开关操作产生的电磁脉冲的研究中，得到了开关刀闸操作时暂态电场、磁场、高频通道、交流电压等的完整波形，发现低压交直流电源系统和高频保护通道中存在非常严重的脉冲群干扰，初步解释了变电站二次电源模块经常损坏和高频保护经常误动的原因，提出了加强保护和研究的建议，进一步验证了测量系统的先进性。

As follows: the closure of access to a computer BIOS power management features, not the notebook computers with low-voltage protection, unplug the AC power, only the use of battery-powered, and then boot the battery completely run out, the last full battery.

方法如下：进入电脑 BIOS 关闭电源管理功能，不让笔记本电脑具备低电压保护功能，拔掉交流电源，仅仅使用电池供电，然后开机将电池完全耗尽，最后充满电池。

Program-controlled exchange on the main voltage relay action can be programmed test of AC power, described the design of the system and principles, and introduced a hardware structure.

可程控交流电源主要介绍了电压继电器动作特性测试可程控交流电源，阐述了设计思想和系统的原理，并且介绍了硬件的结构。

The efficiency of silver recovery and cyanide removal, as well as power consumption was discussed in terms of pulse voltage, pulse duty factor, and pulse frequency.

结果表明，脉冲电源较直流电源能更加有效降低阳极的超电位，减少电极的极化，从而降低槽电压，进而有效地降低电能消耗。

The article shows a new kind of power controller of micro-satellite. The controller is composed of charge control. Discharge control, shunt control and the equilibration circuit. The output voltage is stabilized by an automatic circuit controlled by the PWM signal, which is produced by comparing the sampling value of the output voltage with the reference voltage. The application indicates that the system which insured the safety property of Li-ion battery series runs stably as well as satisfied the need of the load no matter in what situation.

在我国航天用锂离子电池组控制电路研究相对落后的背景下，设计一了种新型的微小卫星电源控制器；该电源控制器包括充电、放电、分流和均衡保护部分，充电、放电、分流部分通过将母线电压的采样值与预设参考值比较产生PWM信号对制电路进行自动调节，均衡通过采样和处理器计算比较实现；实验结果表明，该控制器工作稳定，确保了锂离子电池组工作安全的同时，很好地满足了各种情况下母线负载的需求。

Adopting multiplexing technique and making use of communication line between CSC and CS to achieve simultaneous transmission of ISDN signal and electric power. According to the variation of circuit equivalent resistance to design detection circuit, which can judge that the line is short circuit or open circuit and the commercial power is working normally or failure. When the reserve power supply is working, the system judges its operation status by voltage and current detection circuit. Making use of the characteristic of the gas discharge tube to achieve suspension system detection of power line touching. Transmitting information collected up to PC by RS485 for the purpose of centralized monitoring.

采用复用技术，利用基站控制器和基站间的通信线路实现ISDN信号和电力的共同传输；根据线路等效电阻的变化设计探测电路，来判断开路、短路、市电供电、市电停电等情况；在后备电源工作时，通过电压、电流采样电路判断电源的运行情况；利用气体放电管的特性实现悬浮系统动力线搭接的检测；采用RS-485通信方式将采集到的现场信息上传以实现集中监控。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。