双电源供电

为了有效降低系统的功耗，对DSP芯片采用双电源供电是十分必要的。

It is important to use two power supply to decrease the power assume in many DSP-based system .

采用双电源供电，正电源为2V，负电源为-2V，功耗为280mW。

At a positive supply voltage of 2 V and a negative supply voltage of - 2V , the power dissipation is about 280 mW .

目前环境下部件最大问题之一是OP07需要双电源供电。

One of the biggest problems with the part in today 's environment is that the OP07 requires dual supplies .

高压双电源供电用户计量装置的设置

The Setting up of the Metering Device for Users of High-voltage Dual Power Supply

主电路采用双电源供电，其电流幅值可单独调节。

The main circuit is supplied by two power sources and the current amplitude in every half-wave can be adjusted separately .

介绍乙烯装置电机自启动和再加速工艺设计要求，以满足备用泵自起动及双电源供电装置中一个电源进线上瞬间失电后电机再加速的要求，确保装置的安全可靠。

This paper introduces the process design requirements for autostart and reacceleration of pumps in ethylene plant to ensure the safe and reliable of the plant .

随着国民经济的发展，配电网络也日益复杂，配电网内双电源供电及双向、多电源供电的模式也越来越多。

With the development of the national economy , the distribution network is becoming more and more complicated , the distribution network in dual power supply and bidirectional , multi power supply mode is also more and more .

本文通过采用双电源供电及并联平衡电阻回路等方法，完善了硬件装置，并且成功解决了软件控制调流和稳流、试验运行实时控制等软件方面的问题，实现了试验装置的自动化操作。

This paper has completed the hardware with double power source and parallel balance resistance circuit , resolved the problem of software controlling current , real time controlling the test and realized computer operated the test device automatically .

分析了并联电抗器在750kV输电线路单端电源供电与双端电源供电情况下抑制过电压的作用；

This paper analyzes the effects of shunt reactors for restraining over-voltage in the case of 750 kV transmission line with one-terminal or two-terminal power supply .

基于三阶有源环路的设计方法提高锁相环路的电压控制范围，采用正负双电源运放供电方案有效地改善运放工作零点漂移问题。

The narrow voltage control range can be increased greatly using third-order active loop filter and zero drift of the op amp can be eliminated with positive and negative power supply scheme .

通过对单电源节点和双电源节点供电网络的算例分析表明，单亲遗传算法在配电网络优化规划中的应用是可行的，并且，具有遗传操作简单，计算效率高，易于处理约束条件等特点。

The analysis of single power supply network and double power supply network shows that the application of PGA in distribution network optimal design is feasible , and has the specialties of simple coding operation , high calculation efficiency and easily dealing with restriction requirements .

综掘工作面双局扇双电源供电方式研究

Study on the Power Supply Mode of " Double Local Fan and Double Current Source " on the Comprehensive Mechanized Mining Faces

配电网借助升压改造，进行负荷调整，实现了配电线路短线路、轻负荷、手拉手双电源运行方式，供电可靠性得以提高。

With the help of boost transformation for distribution , adjustment , realize the distribution line short circuit , light load , hand in hand with dual power operational objectives . Improving the power supply reliability of distribution network .