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LAPPKABEL主要型号:德国缆普LAPPKABEL电梯和传送电缆(OLFLEX扁平电缆NSHTOU卷筒电缆)德国缆普LAPPKABEL耐高温型电缆(LAPPTHERM145SILFLEX硅胶电缆)德国缆普LAPPKABEL螺旋弹簧电缆及其成套产品(SPIREX螺旋电缆)德国缆普CONTACT工业矩型重载插头/航空插(H-BE/STA/H-DD/H-A)德国缆普LAPPKABEL数据线UNITRONICLiYY/UNITRONICLiYCY(TP)德国缆普LAPPKABEL超柔性机器人电缆(ROBOT900P)德国缆普LAPPKABEL拖链电缆(OLFLEX-FD810CY/855P)及拖链用高柔性数据传输电缆UNITRONIC-FDCP(TP)德国缆普LAPPKABEL高柔性总线拖链系统UNITRONICBUSFDPL2/FIP德国缆普LAPPKABEL伺服电机电缆(OLFLEX-SERVO-FD790P/755P)德国缆普LAPPKABEL柔性控制电缆(OLFLEXCLASSIC110)德国缆普LAPPKABEL各认证导线/电源线(H05V-K,HAR/UL/VDE/CSA)德国缆普LAPPKABEL耐各种气候条件的拖曳电缆(OLFLEXF,NEOFLEX)德国缆普LAPPKABELHAR统一协调认证的橡胶护套电缆(H05RR-F,H07RN-F)德国LAPPKABELVDE注册认证聚氨酯控制电缆,无卤,耐油,抗紫外线,耐低温,特别使用机床和建筑施工现场使用。(OLFLEX440P)德国lumberg传感器M8/M12/23接插件及连接电缆(RKT,RST)德国lumberg带电磁阀连接器(RST5-VAD3C)德国lumberg分线盒(ASB-actor-sensor-boxenIP67,68)德国lumberg总线模块(Profibus/Interbus/Device等I/O)德国lumberg终端电阻/总线“T“型接头/(7“/8M12)主要代理产品:LAPPKABEL德国缆普工业控制及通讯电缆LUMBERG德国隆堡工业自动化连接系统CONTACT德国EPIC多针大电流工业连接器MURRPLASTIK德国莫尔拖链系统DEMAG德国德马格物料输送仓储零部件VAHLE德国法勒移动供电系统零部件HELUKABEL德国和柔工业控制电缆
45附录J电涌保护器J.1用于电气系统的电涌保护器J.1.1电涌保护器的最大持续运行电压不应小于表J.1.1所规定的最小值;在电涌保护器安装处的供电电压偏差超过所规定的10%以及谐波使电压幅值加大的情况下,应依照实际情况对限压型电涌保护器提高表J.1.1所规定的最大持续运行电压最小值。表J.1.1电涌保护器取决于系统特征所要求的最大持续运行电压最小值电涌保护器接于配电网络的系统特征TT系统TN-C系统TN-S系统引出中性线的IT系统无中性线引出的IT系统每一相线与中性线间1.15U0不适用1.15U01.15U0不适用每一相线与PE线间1.15U0不适用1.15U03U0a)相间电压a)中性线与PE线间U0a)不适用U0a)U0a)不适用每一相线与PEN线间不适用1.15U0不适用不适用不适用注:1标有a)的值是故障下最坏的情况,不需计及15%的允许误差。2U0是低压系统相线对中性线的标称电压,即相电压220V。3此表基于按GB18802.1标准做过相关试验的电涌保护器产品。J.1.2依照系统特征,电涌保护器的接线形式应符合表J.1.2规定。实际接线图见图J.1.2-1~图J.1.2-5。表J.1.2依照系统特征安装电涌保护器电涌保护器接于电涌保护器安装处的系统特征TT系统TN-C系统TN-S系统引出中性线的IT系统不引出中性线的IT系统按以下形式连接按以下形式连接按以下形式连接接线形式1接线形式2接线形式1接线形式2接线形式1接线形式2每根相线与中性线间+o不适用+o+o不适用每根相线与PE线间o不适用不适用o不适用o不适用o中性线与PE线间oo不适用oooo不适用每根相线与PEN线间不适用不适用o不适用不适用不适用不适用不适用各相线之间++++++++注:O——应该;+——非强制性的,可附加选用。46图J.1.2-1TT系统电涌保护器安装在进户处剩余电流保护器的负荷侧3——总接地端或总接地连接带;4——Up应小于或等于2.5kV的电涌保护器;5——电涌保护器的接地连接线,5a或5b;6——需要被电涌保护器保护的设备;7——剩余电流保护器(RCD),应考量通雷电流的能力;F1——安装在电气装置电源进户处的保护电器;F2——电涌保护器制造厂要求装设的过电流保护电器;RA——本电气装置的接地电阻;RB——电源系统的接地电阻。图J.1.2-2TT系统电涌保护器安装在进户处RCD的电源侧3——总接地端或总接地连接带;4、4a——电涌保护器,它们串联后构成的Up应小于或等于2.5kV;5——电涌保护器的接地连接线,5a或5b;476——需要被电涌保护器保护的设备;7——安装于母线的电源侧或负荷侧的RCD;F1——安装在电气装置电源进户处的保护电器;F2——电涌保护器制造厂要求装设的过电流保护电器;RA——本电气装置的接地电阻;RB——电源系统的接地电阻。注:在高压系统为低电阻接地的前提下当电源变压器高压侧碰外壳短路产生的过电压加于4a电涌保护器时该电涌保护器应按GB18802.1标准做200ms或按厂家要求做更长时间耐1200V暂态过电压试验。图J.1.2-3TN系统安装在进户处的电涌保护器3——总接地端或总接地连接带;4——Up应小于或等于2.5kV的电涌保护器;5——电涌保护器的接地连接线,5a或5b;6——需要被电涌保护器保护的设备;F1——安装在电气装置电源进户处的保护电器;F2——电涌保护器制造厂要求装设的过电流保护电器;RA——本电气装置的接地电阻;RB——电源系统的接地电阻。注:当采用TN-C-S或TN-S系统时,在N与PE线连接处电涌保护器用三个,在其以后N与PE线分开10m以后安装电涌保护器时用四个,即在N与PE线间增加一个,见图J.1.2-5及其注。图J.1.2-4IT系统电涌保护器安装在进户处剩余电流保护器的负荷侧3——总接地端或总接地连接带;484——Up应小于或等于2.5kV的电涌保护器;5——电涌保护器的接地连接线,5a或5b;6——需要被电涌保护器保护的设备;7——剩余电流保护器(RCD);F1——安装在电气装置电源进户处的保护电器;F2——电涌保护器制造厂要求装设的过电流保护电器;RA——本电气装置的接地电阻;RB——电源系统的接地电阻。图J.1.2-5Ⅰ级、Ⅱ级和Ⅲ级试验的电涌保护器的安装(以TN-C-S系统为例)1——电气装置的电源进户处;2——配电箱;3——送出的配电线路;4——总接地端或总接地连接带;5——Ⅰ级试验的电涌保护器;6——电涌保护器的接地连接线;7——需要被电涌保护器保护的固定安装的设备;8——Ⅱ级试验的电涌保护器;9——Ⅱ级或Ⅲ级试验的电涌保护器;10——去耦器件或配电线路长度;F
1、F
2、F3——过电流保护电器。注:1当电涌保护器5和8不是安装在同一处时,电涌保护器5的Up应小于或等于2.5kV;电涌保护器5和8可以组合为一台电涌保护器,其Up应小于或等于2.5kV。2当电涌保护器5和8之间的距离小于10m时,在8处N与PE之间的电涌保护器可不装。J.2用于电子系统的电涌保护器J.2.1电信和信号线路上所接入的电涌保护器的类别及其冲击限制电压试验用的电压波形和电流波形应符合表J.2.1规定。49表J.2.1电涌保护器的类别及其冲击限制电压试验用的电压波形和电流波形类别试验类型开路电压短路电流A1很慢的上升率≥1kV0.1kV/μs至100kV/s10A,0.1A/μs至2A/μs≥1000μs(持续时间)A2ACB1慢上升率1kV,10/1000μs100A,10/1000μsB21kV至4kV,10/700μs25A至100A,5/300μsB3≥1kV,100V/μs10A至100A,10/1000μsC1快上升率0.5kV至<1kV,1.2/50μs0.25kA至<1kA,8/20μsC22kV至10kV,1.2/50μs1kA至5kA,8/20μsC3≥1kV,1kV/μs10A至100A,10/1000μsD1高能量≥1kV0.5kA至2.5kA,10/350μsD2≥1kV0.6kA至2.0kA,10/250μsJ.2.2电信和信号线路上所接入的电涌保护器,其最大持续运行电压最小值应大于接到线路处可能产生的最大运行电压。用于电子系统的电涌保护器,其标记的直流电压UDC也可用于交流电压UAC有效值,反之亦然,它们之间的关系为UDC
2×UAC。J.2.3应关注电涌保护器的一些参数,当其接到电子系统上后可能影响电子系统的传输性能,例如,电容、串联电阻、插入损耗、回波损耗、近端串扰、纵向平衡。设计时应考量它们是否满足要求。J.2.4合理接线的例子1应保证电涌保护器的差模和共模限制电压的规格与需要保护系统的要求相一致,见图J.2.4-1。图J.2.4-1防需要保护的电子设备(ITE)的供电电压输入端及其信号端的差模和共模电压的保护措施的例子(c)——电涌保护器的一个连接点,通常,电涌保护器内的所有限制共模电涌电压元件都以此为基准点;(d)——等电位连接带;(f)——电子设备的信号端口;(g)——电子设备的电源端口;(h)——电子系统线路或网络;(l)——符合本附录表J.2.1所选用的电涌保护器;(o)——用于直流电源线路的电涌保护器;(p)——接地导体;