产品详情

光伏组件漏电流产生示意PID形成的原因有很多,外部可能由于潮湿的环境,还有组件表面被导电性、酸性、碱性、以及带有离子的物体污染,也可能发生衰减现象,导致漏电流的产生。系统方面,逆变器接地方式和组件在阵列中的位置,决定了电池片和组件受到正偏压或者负偏压。电站实际运行情况和研究结果表明:如果整列中间一块组件和逆变器负极输出端之间的所有组件处于负偏压下,则越靠近输出端组件的PID现象越明显。而在中间一块组件和逆变器正极输出端中间的所有组件处于正偏压下,PID现象不明显。
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DAYTON皮带, 同步带 (1DHH5)
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RB Annis Instruments, Inc. MODEL 25/10-0-10
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仪器仪表的机壳,尤其像控制柜、操作台、电源柜等,机壳都要用扁钢连接到一起。仪表工作电源如24V负端和仪表信号地、计算机输入输出信号地等相连要构成等电位。本安地、安全栅、隔离栅、安全器等接地也要考虑仪表信号参考点连接时是否构成等电位。不能忽视智能仪器仪表的电源防雷保护。为智能仪器仪表安装防浪涌保护系统或者电涌保护器以确保仪器仪表不会超过耐压极限。电涌保护器可以在雷暴天气感应到雷浪涌时,将过载电流汇入大地。
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EAO 704.703.6
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RIEGLER 125.012-16
IPF传感器PT160075
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Behncke Q2E 200L4D-40 H报价 Q3H 200 L4D 40 IE3
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PAULSTRA 511450 RADIAFLEX 40*20 M10
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MD MICRODETECTORS传感器MDI38G 1680
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Hirschman 9600150 ringcaps? 50 μl
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ATOS DH1-0713
RIEGLER 180/2-B
02003361 PLP20.6,3S0-03S1-LEA/EA-N-EL
MD MICRODETECTORS传感器MDI58G 966
automationdirect TL-1610-0625 Thumbnail
SCHNEIDER XS7J1A1NBL2
MD MICRODETECTORS传感器ST CL 17
automationdirect RM25030-3SR Thumbnail
automationdirect TAP-ACC21 Thumbnail
DEPRAG 346-330-31U5
RIEGLER KT 19 S 美国NASON压力开关(SM-1B-6F/811)BURKERT电磁阀178267 中发工业进口备件 VERSA CGG-4232-NB1-PC-A240 220VACPENNY+GILES电位计KX15884CE Sls320/600/C/66/10/P BAUMULLER BM4412-STO-01200-03OMRON E2E-X3D18 5M
山东中发SELET B01EN124PC原装进口

RF下变频器将这些高频信号转换成较低的中频(IF),它们可以由现有设备进行分析。它维护进行分析所需的所有信号属性和信息,但可以使用现有硬件实现这一点。ThinkRFD23RF下变频器旨在将现有分析仪和3G/4G测试设备的频率范围扩展到5G。通过将RF从27-3GHz频段向下转换为3.55GHz的中频(IF),您可以获得在经济且紧凑的解决方案中测量和分析5G信号所需的性能。快速将5G解决方案推向市场移动运营商正争先恐后地在新市场部署5G无线技术。