浪涌

Tsing-HuaUniversity is an expert in lightning protector sector who has a long history of study in it.

在清华大学，研制开发雷电浪涌防护装置已有多年的历史和丰富的经验。

Series of GE380AC/220AC lightning surge protector are the renovate production based on years' research and products are more advanced in configuration and electron.

现在本公司生产的GE380AC/220AC 大力神系列电源用雷电浪涌防护装置是经九载深入研究的更新产品，产品在结构和电子化方面更加先进。

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。

We provide you with the following high-quality components, you need to improve the reliability of the equipment: signal isolation / transmitter, relay / optocoupler, lightning / surge protector, switching power supply, with a total Line interface, filter / anti-modules, industrial connectors, sensor / actuator interface module, printed circuit board connector, on-site joint boxes, terminals, the button / indicator light, control / Bus cables and other products.

我们为您提供下述的高品质元器件，以提升您所需设备的高可靠性：信号隔离/变送器、继电器/光电耦合器、防雷/浪涌保护器、开关电源、总线接口、滤波器/抗干扰模块、工业用接插件、传感器/执行器接口单元、印刷电路板接插件、现场接线箱、接线端子、按扭/指示灯、控制/总线电缆等产品。

6"Ball cover, Features beauty,refinement; The precise step enters the electrical engineering to drive, go placidity,go to nicety;shift aptitude, Horizontal speed 0.5°/s---240°/s ,Vertical speed 0.5°/s---200°/s;Vertical running have function to "Auto-flip, 360°continous horizontal flip;Dome speedauto-shift--- The speed of housing become the zoom lens depth to increase its speed pro rata lower gradually, a little bit on guard function; Auto-focus,auto-iris,Tum to surge and lightning strike protector;Menu setup and control function,estate memory before break off electricity and auto-resume

6英寸球罩，外型美观、精巧；精密步进电机驱动，运转平稳，定位准确；智能变速，0.5°/S－240°/S水平变速，0.5°/S-200°/S垂直变速；垂直转动有&自动翻转&功能， 360度持续水平转动；云台速度自动调整—云台的速度随变焦镜头深度的增加其速度按比例逐渐降低，守望点功能；自动聚焦，自动光圈，内置浪涌及雷击保护装置；菜单设置及控制功能，断电前状态记忆及来电自动恢复功能；64个预置点

6"Ball cover, Features beauty,refinement; The precise step enters the electrical engineering to drive, go placidity,go to nicety;shift aptitude, Horizontal speed 0.5°/s---240°/s ,Vertical speed 0.5°/s---200°/s;Vertical running have function to "Auto-flip, 360°continous horizontal flip;Dome speed auto-shift--- The speed of housing become the zoom lens depth to increase its speed pro rata lower gradually, a little bit on guard function; Auto-focus,auto-iris,Tum to surge and lightning strike protector;Menu setup and control function,estate memory before break off electricity and auto-resume fuction in come to electricity; 64initialize spots,5 auto-patrol path;Contain multi-confer;485standard communcation interface;Function to give an alarm to linkage.

6英寸球罩，外型美观，精巧；精密步进电机驱动，运转平稳，定位准确；智能变速，0.5°/S-240°/S水平变速，0.5°/S-200°/S垂直变速；垂直转动有&自动翻转&功能， 360度持续水平转动；云台速度自动调整—云台的速度随变焦镜头深度的增加其速度按比例逐渐降低，守望点功能；自动聚焦，自动光圈，内置浪涌及雷击保护装置；菜单设置及控制功能，断电前状态记忆及来电自动恢复功能；64个预置点， 5条自动巡视路径；兼容多种协议；标准485通讯接口；报警联动功能。具有球机环境温度和摄像机角度数显功能。

ABSTRACT ZnO varistors have been used extensively and developed rapidly because of their excellent non-linearity, large surge-withstanding ...

ZnO压敏电阻由于具有优良的非线性特性、强的浪涌吸收能力以及较高的工作稳定性而得到了迅速发展和广泛应用。

Varistors provide protection against all kind of overvoltage and prevent electronic equipment from being damaged by transient events.

压敏电阻器可以抑制各种各样的浪涌电压，使电子设备免受干扰和破坏

ABSTRACT ZnO varistors have been used extensively and developed rapidly because of their excellent non-linearity, large surge-withstanding capability and high reliability.

ZnO压敏电阻由于具有优良的非线性特性、强的浪涌吸收能力以及较高的工作稳定性而得到了迅速发展和广泛应用。

Based on the characteristics of varistor, the influence of the different impedance values between the protective devices is discussed.

结合浪涌保护器的电压—电流特性，利用推导出的公式研究由压敏电阻组成的多级保护系统，分析两保护器之间的阻抗变化对暂态过电压在两级保护器上分配的影响。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。