SYV电缆全国包邮保亭定制格JYPV-2B2X2X1.0电缆直销格愿意
使用特性：1、额定电压：交流Uo/U；450/750V2、工作温度：序号1～4-60～+200℃序号5～14-15～+105℃3、绝缘电阻（20℃）不低于50MΩ•km4、导体线芯直流电阻（20℃）符合GB规定5、无铠装电缆允许弯曲半径不小于电缆外径的6倍，铠装电缆允许弯曲半径不小于电缆外径的12倍。
Coaxial cable can be divided into base band coaxial cable and broadband coaxial cable (that is, network coaxial cable and video coaxial cable). Coaxial cable Ω baseband cable and 50 75 Ω broadband cable. The baseband cable is divided into thin coaxial cable and coarse coaxial cable. Baseband cables are only used for digital transmission and have a data rate of up to 10Mbps.
表3导体标称截面mm2导体结构（根数/单丝直径mm）ABR0.50.20.75/0.2332/0.2230/0.252.5。
Cable conductor of long term working temperature should be allowed no more than 70 ℃, the cable in use should be to prevent high temperature radiation or; The environment temperature under installation should not below 0 ℃.
因此，变频调速技术设备在石油、冶金、发电、铁路、矿山，船舶码头等工业被广泛使用。对称性设计详解对于1.8／3千伏及以下变频电机专用电缆，和对称3＋1芯和4芯电缆仅可用于主电源的输入缆，但**使用对称结构电缆。
定子磁极通过气隙与转子产生相同的极数。其结构简单，一个有三角形孔的磁极，可近似看成4极。此电机用于水表的流量计等。下图是另外一种单相步进电机的外观照片。此单相步进电机由照片看出，定子磁极的前端朝同一方向倾斜，从而改变转子磁路的磁导，使转子能沿一个方向旋转，其功能与上图（单相步进电机外观与结构）的定子相同。此种单相步进电机转子为永磁磁极，其圆周上有N和S极共30个，定子为单相，总磁极数为30,用气隙作转子导向。
Computer shielded cable; Purpose: high voltage insulation with small interface constant. Use to ground, and the screen, the total screen (or three quad twisted, group screening, group screen a total screen), such as structure form, with a small dielectric loss, the transmission ability is strong, resistant performance is good wait for a characteristic, can reliable transmission weak analog or digital, can be widely used in electricity, metallurgy, petroleum, chemical, textile sites detection and control of the door or by computer automation instrumentation, and general industrial computer. Relevant technical indicators: reference BS5308 IEC189 and British second, product code 1 and code the DJ - (series code) electronic computer shielded cable Y - (insulation code) high-pressure polyethylene F - (insulation code) fluoroplastic V - (sheath code) polyvinyl chloride (R - said many strands of soft wire core P - (block code) copper mesh shielding P1 tin plated copper mesh shielding P2 copper tape screened P3 aluminum-plastic composite membrane shielding for example 1:3, product specifications order 7 (14) to 1.0 was computer shielded cable can be represented as: (1) total shielding DJYVP7 * 2 * 1.0mm2 (2) partial shielding multiple strands of soft line DJYPVR7 * 2 * 1.0mm2 (3) total shielding type DJYPVP7 * 2 * 1.0mm2 Type (1) packet shielding DJYPV3 x 3 x 0.75 was (group 2) screen a total screen DJYPVP3 x 3 x 0.75 was three, model name and use range model name using range DJYVPDJYPVDJYPVP total shielding polyvinyl chloride polyethylene insulating sheath computer cable shielding polyvinyl chloride polyethylene insulation group sheathed electronic computer cable shielding total shielding polyvinyl chloride polyethylene insulation group sheathed electronic computer cable 1, fixed for laying indoors, in cable trench or pipe 2, cable long-term working temperature: - 20 ℃ + 65 ℃, the cable laying temperature is lower than 0 ℃, the bending radius should not less than 10 times of cable diameter DJYVPR DJYPVR DJYPVRP total shielding polyvinyl chloride polyethylene insulating sheath computer with a soft cable shielding polyvinyl chloride polyethylene insulation group sheathed computer with a soft cable shielding total shielding polyvinyl chloride polyethylene insulation group with a soft cable sheath computers shows that: (1) flame retardant cable (oxygen index greater than 30) need to add code "out" in front of the model. For example, zr-djypv zr-djypvp et al. (2) armored (steel belt armored) cables need to add code "22" in the lower right corner of the model, such as: DJYPV22 djypvpppvp22, etc. The cable is mainly used for ac or dc 300V or below and can work normally when 500V or below.
Tianjin cable plant first factory operating a variety of "RVVP shielded cable", we sincerely provide you with the perfect pre-sale, sale and after-sales service, professional to provide "RVVP shielded cable" technical consulting and other services. Company and the major cities of Shanghai, Beijing, shenzhen, guangdong, jiangsu, zhejiang, shandong, sichuan, fujian, hubei, henan, liaoning, hebei, shanxi, hunan, anhui, tianjin, chongqing, guangxi, heilongjiang, jiangxi, shanxi, jilin, yunnan, xinjiang, Inner Mongolia, gansu, guizhou, Taiwan and other cities have a long term business, reasonable price, various import/domestic brands of various types of complete, strong after-sales service, let its tianlian cable light over the country.
绝缘材料：高密度聚乙烯或乙／丙共聚物，绝缘线的颜色符合全色谱标准。绝缘线对：二根不同颜色的绝缘线按不同的节距扭绞成对，采用规定的色谱组合以便识别。缆芯结构：以25对为基本单位，超过25对的电缆按单位组合，每个单位用规定色谱的单位扎带绕扎，以便识别不同的单位。
MKVV电缆,MKVVP电缆,MKVVP2电缆,MKVV22电缆,MKVV32电缆,MKVVR电缆,MKVVRP电缆,MKVVP22电缆等规格型号的煤矿用阻燃控制电缆，推荐电缆芯数为2,3,4,5,7,8,,24,27,30,37,44,48,52,61芯。
在一定条件下，也可用于传输2048kbit/s以上的数字信号。适用于矿山、电厂、市内、近郊及局部地区。特别适用于500KV及以下的发电厂，变电站控制线路。采用塑料绝缘特种屏蔽控制电缆可抑制外界电、磁场的干扰。
—技术参数执行标准:GB/TGB/T特性阻抗：120±15Ω最小弯曲半径：≥电缆外径15倍工作温度：-40℃至70℃—产品应用本产品适用于交流额定电压300V及以下照明、电动工具等所必须的电源，还能同时传输各种控制信号,直流电压1000V及以下传输音频信号，以及固定敷设的铁路。
功能码设置：信息帧功能代码包括字符(ASCII)或8位(RTU)。有效码范围1-225(十进制)；数据区的内容：数据区有2个16进制的数据位，数据范围为00-FF(16进制)，根据网络串行传输的方式，数据区可由一对ASCII字符组成或由一个RTU字符组成。RTU方式的消息帧：Modbus的功能码：ModBus功能码与数据类型对应表：RTU方式读取整数据的例子：解析一下：主机发送指令，访问从站地址为1，使用功能码03（读保持寄存器），起始地址高8位、低8位：表示想读取的模拟量的起始地址(起始地址为0)。
耐火电缆常见型号型号名称备注NA-YJV/NB-YJV交联聚乙烯绝缘聚氯乙烯护套A(B)类耐火电力电缆可敷设在对耐火有要求的室内、隧道及管道中。NA-YJV22/NB-YJV22交联聚乙烯绝缘钢带铠装聚氯乙烯护套A(B)类耐火电力电缆适宜对耐火有要求时埋地敷设，不适宜管道内敷设。
HBYV、HBV-J、HBZR、HBZR-J、HBYV-J、HBYY、HBVV、HBVV-J、HPV、HBV产品执行标准：参考邮电局YD/T630-93标准.型号：HBYV、HBV-J、HBZR、HBZR-J、HBYV-J、HBYY、HBVV、HBVV-J、HPV、HBV型式代号:HB-室内线代号V。
ZR-BPVVP2聚氯乙烯绝缘和护套铜带绕包屏蔽变频电力电缆。ZR-BPVVPP2聚氯乙烯绝缘和护套铜丝编织铜带绕包屏蔽变频电力电缆。ZR-BPVVP3聚氯乙烯绝缘和护套铝聚酯复合膜绕包屏蔽变频电力电缆。
HYAT53：铜芯实心聚烯烃绝缘填充式挡潮层聚乙烯护套钢塑带铠装聚乙烯护套市内通信电缆。HYA22：铜芯实心聚烯烃绝缘挡潮层聚乙烯护套钢带铠装聚氯乙烯护套市内通信电缆。HYA23：铜芯实心聚烯烃绝缘挡潮层聚乙烯护套钢带铠装聚乙烯护套市内通信电缆。