电源电压

Advanced Integrated Circuits are used in signal process. The prepositive signal processor is placed close to the model rotor. The instrument amplifier, the voltage and current converter/transmitter, the isolation amplifier, the isolation power unit, the current and voltage converter etc.

将先进的集成元器件应用于测试电路的研制中，在国内首次将前置信号处理器放置于模型旋翼附近，并采用仪用放大器，电压/电流转换，隔离放大器，隔离电源，电流/电压转换等措施以实现信号远距离传输下的高信噪比信号测量。

In order to ensure that self-compensating devices for reactive power work stably and reliably in low-voltage electric power system, this paper introduces a new method and steps of selecting compensating devices by comparing their types, based on the theory of reactive power in non-sinusoidal alternating circuit.

产生谐波的根本原因是电力系统中器件、设备的非线性，即使供给这些器件、设备的电源是理想的正弦波形电压，电网供给它们的电流也是非正弦波形，即产生了谐波电流，当谐波电流流过线路后，产生谐波压降，使电网电压失真。

Thanks to this scheme, the phase, root-mean-square value, frequency, and waveform of the output sinewave voltage can be controlled precisely and the system has excellent steady-state performance, fast dynamic response performance, fast and reliable current cut-off protection function.

提出了一种新的适应"模块化"要求的高性能逆变电源控制方案，该方案是一种带有输出电压相位控制及负载电流前馈控制的多环反馈控制方案，能对输出正弦波电压的相位、有效值、频率、波形进行精确控制，使系统具有良好的稳态、动态特性以及快速可靠的截流保护功能。

Measure character: Frequency limits: CH1:dResolution of C ～ 225MHz frequency: 10 / second time-interval resolution : N/A measures speed: Can amount to 200 times measure / the second mixes in limits of the voltage on GPIB sensitivity : DC ～ 100MHz: 200MHz of ～ of 5Vac+dc 100MHz of 20mVrms ～±: 225MHz of ～ of 5Vac+dc 200MHz of 30mVrms ～±: Input of 5Vac+dc of 40mVrms ～± adjusts:(CH1 chooses) impedance, coupling: 1M Ω or 50 Ω, ac or Dc are low connect filter: 100kHz, but switch attenuation:× 1 or reference of × 10 exterior time base inputs: 1, 5, 10MHz sparks: CH1, to rising / drop the edge sparks, the percentage that uses signal n or absolutely voltage install n, setting sensitivity mixes to low, medium or tall gate start: Automatic, the hand is moved (setting gate time or resolution digit); Exterior, defer interface: Standard GP-IB(IEEE 488.1 and 488.2), take; of SCPI compatible language to say RS-232 power source only: 10 ％ of 100-120VAC ±, 50, 60 or 10 ％ of 400Hz ± 10 ％ of 220-240VAC ±, 50 or 10 ％ of 60Hz ± are suttle: 3kg dimension: 348.3mm of × of 212.6 × 88.5H

测量特征：频率规模：CH1：dc～225MHz 频率分辨率：10位/秒时候距离分辨率：N/A 测量速度：可达200次测量/秒在GPIB上电压规模和灵敏度： DC～100MHz： 20mVrms～±5Vac+dc 100MHz～200MHz：30mVrms～±5Vac+dc 200MHz～225MHz：40mVrms～±5Vac+dc 输入调节：(CH1选择)阻抗，耦合： 1MΩ或50Ω，ac或dc 低通滤波器： 100kHz，可切换衰减：×1或×10 外部时基参考输入： 1，5，10MHz 触发： CH1，对回升/回升沿触发，用信号电平的百分数或相对电压设置电平，设置灵敏度至低、中或高闸门和启动：主动，手动(设置闸门时候或分辨率位数)；外部，延迟接口：尺度GP-IB(IEEE 488.1和488.2)，带SCPI兼容说话；只讲RS-232 电源：100-120VAC±10％，50，60或400Hz±10％ 220-240VAC±10％，50或60Hz±10％净重：3kg 尺寸：212.6×88.5×348.3mm

However, the effect of which is directly related to the voltage, frequency and wave form of power source.

而介质阻挡放电产生等离子体的效果直接与电源的电压、频率和波形相关。电压、频率越高、放电效果越好。

An experiment on DC arc plasma ignitor which was made by ourselves was carried on to research jet characteristic, in which the influence of voltage was excluded by keeping the DC output voltage of plasma power at 24V.

对自行设计的直流电弧等离子体点火器进行射流特性实验，其中等离子体电源直流输出电压保持24V不变，排除电压的影响。

During certain specific application occasion need for very wide input voltage power supply to normal working,for instance, during Triphase Electric Energy Meter need input voltage during 90 to 500VAC be able to normal working .

在某些特殊的应用场合中，需要在很宽的输入电压范围内电源都能够正常工作，比如在三相电能表中就要求输入电压在90至500VAC都能正常工作。

In this experiment, the amount of violative path is been cut down 60%. Reduce the times of the iteration from 8 to 3, may accelerate timing closure. Improving the design of

论文在直流电压降及金属连线电迁移分析的基础上改进电源网络的设计、金属连线的布线，最终消除了芯片中存在的较为严重的电压降。

The traditional parallel theory without control interconnections has been adopted commonly in the parallel inverter system. There is a deviation between the steady output frequency and the instruction of this system controlled by the above scheme,and the heavier the load is, the droopier the frequency will be. When the error is out of the permitted range, the system can not be operated normally.

逆变电源无线并联系统常采用传统无线并联理论，即电压-频率下垂理论控制，采用此方案控制的并联系统，其稳态输出电压频率与指令值有偏差，且所带负载越重，稳态输出频率下降越多，当偏差超出允许范围时就会对所带负载造成影响，使其不能正常工作。

The purpose of this thesis is to investigate the impact of dispersed generation systems on the voltage regulation, voltage sags and harmonic distortion for the distribution systems.

这个论文的目的是在研究分散式电源在配电系统上的电压调整丶电压骤降与谐波失真的影响。

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。