电源电压

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中文主题词事故预防；麻醉学；球压试验；防护等级；分类；分类系统；间隙；色码；设计；测定；词典；尺寸；接地导线；接地；电器；电接触保护；电气外壳；电源；电力系统；电击；电气事故；电气设备；电气工程；医用电气设备；电气保护设备；电气安全；电驱动装置；电磁兼容性；电医学；静电学；EMC；外壳；环境条件；设备；设备安全；防爆；防火安全；一般条件；图形符号；热卷筒；冲击试验器；检验；使用说明书；绝缘外壳；绝缘件；漏电路径；文字书写；表；作标记；测量；机械安全；医疗设备；医学放射学；医学科学；医疗技术学；职业安全；操作说明书；可编程序的；防电击；保护覆盖层；合格试验；辐射防护；安全；安全装置；安全工程；安全规则；安全要求；规范；材料强度；调查；符号；温度；试验环境；试验设备；试验；试验条件；试验电压；变压器

When in 1995, the 380/220V exchange current lightning surge protector over voltage device had already been exploited in Tsing-HuaUniversity. Its design was accord with the nation and related international standard, and also confirmed by former China Electric Power Department and InstrumentQualityTestCenter.

早在1995年，根据国家和有关国际标准研制的380/220V交流电源用雷电浪涌过电压防护装置，通过了原中国电力工业部电力设备及仪表质量检验中心检测认证合格。

Firstly, the realizable ways of signal detection and sample、 power circuit and the application of low-consumption model of MSP430 are discussed, by which the required function of current protection and voltage protection can be realized. Secondly, different protection algorithm based on micro-computer are discussed in this article, and from the virtues and defects of Fourier algorithm, an improved algorithm is put forward, and the importance of the improved algorithm is displaced. Thirdly, according to the national standard of GB/T18858 .3-2002, the principle of networklization of intelligence trip relay and how to realize it are mentioned. Lastly, using the current conditions, the test of precision is done. The experimental date present that the system is working well and can realize the real-time function of on-line detection.

首先在硬件设计上，对于信号检测、处理、电源电路、MSP430系列单片机的低功耗方式应用以及人机接口电路等问题提出了实现方法，基本实现了大范围电流、电压信号实时监控等功能；其次，本文还对当前各种微机保护算法进行了介绍，分析了傅立叶算法在实现智能脱扣器保护功能中的优缺点，并针对傅立叶算法中计算偏于复杂的问题对该算法进行了改进，提出了基于FFT的改进算法，通过算法的分析和比较，对改进算法的性能给出了评价；然后结合我国现场总线国家标准GB/T18858.3-2002讨论了DeviceNet现场总线在实现脱扣器网络化的原理，实现方法，论述了通讯接口电路的设计；最后利用现有条件，对装置进行了性能测试，试验数据说明系统工作状态较好，可以满足低压配电网自动化对低压脱扣器的各项要求。

Simulations validate the good qualities in ensuring the stability.of the inverter when load is changed and minishing harmonious component of the output voltage.

仿真证明该滤波器既具有负载变化时电源稳定的优点，又有分离式谐振阻尼LC输出滤波器对振荡的良好的抑制作用，具有较高的输出电压波形质量。

Through the control of the voltage and current of HV power supply added to the X-ray tube, the excited spectra of different intensity and shape is produced, therefore being suitable for all kinds of research and analysis with convenience and flexibility.

通过对X光管的高压电源的电压和电流的控制，产生不同强度和形状的激发谱，灵活、方便地适用于各式各样研究与分析工作的需要。

The mathematical relation formula is derived from the train running speed,distance and the output voltage frequency of tacho generator.

推导了列车运行速度、走行距离与测速发电机输出电压频率的数学关系式，给出了利用CMOS数字集成电路和频率合成原理实现上述关系的电路框图，并对其速度接口电路、轮径输入方法及频率合成电路、分频电路和BCD比例乘法器电路、显示电路、基准频率发生电路、电源电路等作了分析与说明。

Based on the conventional bandgap reference circuit, a simple voltage subtractor circuit is incorporated.

文章采用0.6μm N阱CMOS工艺，设计了一种高电源抑制比、低噪声的带隙基准电压源。

The subtractor feeds the supply noise directly into the feedback loop of the bandgap circuit which can help to suppress supply noise and improve the PSRR.

在传统带隙基准电路结构的基础上，采用添加新的电压支路，在环路反馈网络中直接引进噪声的理念，提高了电源抑制比。

Resistors connected in series across a voltage source; used to ''.

通过电压电源的成系列的电阻；常用于''。

Also, we select the signal collecting circuit of three output polars, the coupling circuit using capacitance and resistance, the alternating amplify processing circuit, the positive feedback retardation comparsion, the driving circuit of output current and the stabilization voltage supply circuit.

选择了InSb磁阻三端输出型信号采集电路，阻容耦合型交流放大电路，正反馈迟滞型电压比较器和大电流推挽驱动电路及稳压电源电路。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。