电源电压

For the design of the power circuit frame, the in-series resistance plan is applied in commutate circuit to restrain the voltage pulse caused by rising arc; while the parallel connection switch is adopted in inverted circuit to guarantee the reliability of the power at work.

在主电路拓扑设计中，整流电路采用了串联降压电阻的方法来抑制起弧时的电压脉冲；逆变电路采用了双并联开关组方案，以进一步提高电源工作的可靠性。

In this paper, a switch power circuit is given as an example to introduce how to confirm the minimum clearance and creepage distance with working voltage on different safety standards.

今以一开关电源电路为例，介绍在不同标准下如何根据工作电压情况对最小电气间隙和爬电距离值进行确定。

In Two-Transistor Flyback Converter circuit, a power semiconductor device in Flyback Converting circuit has been replaced by two power semiconductor devices which parallel connected with an ultra-fast diode with soft recovery characteristics. Two-Transistor Flyback Converter can reduce greatly the switching stress of the power switch and does not need to degausser, suitable for high input voltage Switching Power Supply.

反激变换是从Buck-Boost变换演变而来的，将反激变换电路中的单个功率开关管用两个替代，并在每个功率开关管上并联一十箝啦的快恢复二极管而形成的双晶体管反激变换电路，能大大降低功率开关管承受的开关应力，且不需要消磁电路，非常适用于高输入电压的开关电源。

Because resistance is not very precise in the testingmagnetorquer device,differential amplifier circuit is not very symmetrically.

在磁力矩器测试设备中，要求电源的电压是可变的，再加上电阻的实际阻值和标定的阻值之间存在误差，造成差分放大器的正负端的不对称。

34C02M8/LM8 Pinout: Short Circuit Current Output Current Transition Time Maximum Transmission Rate 1,000 RS-422 RECEIVER Common Mode Range Differential Input Differential Input Threshold-0.2 Input Voltage Hysteresis30 Input Resistance3 TTL Output Level V V2.4 Maximum Receiving Rate1,000 Short Circuit Output Current POWER REQUIREMENTS V =+12V, 10% V =+5V, 10% V =-12V, 10% ENVIRONMENTAL Operating Temperature -CS0 -MR-55 Storage Temperature-65

34C02M8/LM8引脚说明：短路电流输出电流过渡时期的最大传输速率1000的RS - 422接收器差分输入共模范围差分输入阈值0.2输入电压Hysteresis30输入Resistance3 TTL输出等级V 2.4版本的最大接收Rate1，000短路输出电流电源要求ν= 12五，10％的V =+5 V的，10％的V =- 12V的，10％，环境工作温度- CS0 -议员- 55存储温度- 65

The control method of maximal power point tracking is adopted, so that the energy of sun or wind is inverted into electrical potential energy efficiently to drive photovoltaic pump. The device contains DC-DC and DC-AC two parts.

该电源可选择太阳能电池阵列、蓄电池或风能发现整流输出直流电压作为输入，通过MPPT控制方法实现最大功率点跟踪，从而高效地将太阳能或风能转化为电能来拖动水泵。

DC Power is a power unit who offer electrodeposit process, The current density must control under 15A/m2 during electrophoresis process, normally it should be 100V/20A; Working voltage should be set up according to actual requirement

直流电源是提供电沉积过程的动力装置，电泳过程中应控制电流密度15A/m2以下，一般为100V/20A即可；工作电压根据具体需求而定。

This paper research topic project is needs to develop facilely, reliable,output voltage stable green, easy to operate quick new AC-DC-AC inversion power source.

本研究课题项目就是要研制出轻便，可靠，输出电压稳定的、绿色的，使用方便快捷的新AC-DC-AC逆变电源。

A novel technique using a keeper with a simultaneous low supply voltage and low body voltage is proposed to improve the overall performance of high fan-in OR gates without modifying the physical dimensions of the keeper.

采用低电源和低衬底电压保持管技术，本文提出了一种新型的高性能多米诺或门结构。

The over-voltage can also be caused by many ignitions of the electric arch of switch farad.

在其过渡状态过程中，系统内部电源能量产生振荡，互相转换和重新分布，都可能在某些设备上或系统中出现过电压。

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。