3性能聚氯乙烯绝缘交联聚乙烯绝缘体积电阻率ρΩ.㎝20℃时电缆工作温度时-1012绝缘电阻常数KiMΩ.㎞20℃时电缆工作温度时36.70.03673.67金属屏蔽变频电力电缆产品特点及用途本产品适用于交流额定电压0.6/1KV及以下变频控制系统作供电电缆或电气连接线,产。

MHYA32(PUYA32)煤矿用聚乙烯绝缘铝/聚乙烯粘结护层镀锌钢丝铠装阻燃聚氯乙烯护套通信电缆/0.81/1.0用于煤矿竖井和斜井作通信线。
2.使用特性1额定电压U0/U为300/500V及以下。
HYA53/HYAT53(防鼠咬/直埋)主要用于传输音频、15市内通信电缆|通信电缆|(管道/架空)HYAC(架空 )HYAT(防水)0kHZ及以下的模拟信号和2048kbit/s及以下的数字信号。
在一定条件下,也可用于传输2048kbit/s以上的数字信号。
Fully polyvinyl chloride distribution cable and local cable HJVV HJVVP HPVV local cable HCJVV 1. Product implementation standard: gb11327-89. 2. Purpose: used for short distance signal transmission. 3. Product model, specification and scope: HPVV 0.4-0.8mm 5-400 is applicable to the beginning and end of the line and is used to connect the local telephone cable to the distribution box or distribution frame. HJVV HJVVP 0.4-0.8 mmmm5 core -200 core is used to connect the distribution frame to the switch or machines at all levels within the switch (including rural telephone service). 4, using features: cable laying environment temperature is not lower than 5 ℃. The bending radius of the cable shall not be less than 20 times of the outer diameter of the cable.

The technical standard of railway signal cable product is as follows: horizontal TB/ t2476-1993 railway signal cable
对于风机类负载,应观察停机后风叶是否因自然风而反转,若有反转现象,应设置启动前的直流制动功能。
停车试验停车试验内容主要有:将变频器的工作频率调到最高频率,按下停机键,观察系统是否出现过电流或过电压而跳闸现象,若有此现象出现,应延长减速时间。
b.当频率降到OHz时,观察电动机是否出现“爬行”现象(电动机停不住),若有此现出现,应考虑设置直流制动。
带载能力试验带载能力试验内容主要有:a.在负载要求的最低转速时,给电动机带额定负载长时间运行,观察电动机发热情况,若发热严重,应对电动机进行散热。
带钢丝绳PVC弹性体行车控制电缆使用特性:额定电压:U0/U450/750V及以下最高工作温度:100℃最低环境温KVVRC带钢丝绳的PVC行车控制电缆KVVRC带钢丝绳PVC行车控制电缆具有柔软、耐磨、防油等特性,线旁附钢丝绳,增强抗拉力。
Self-supporting full-plastic cable (HYAC) : self-supporting full-plastic cable has two kinds of concentric structure and calabash structure. The commonly used HYAC full-plastic cable is calabash structure. Wire: annealed bare copper wire with diameter of, 0.4, 0.5, 0.6, 0.7, 0.8 and 0.9; Color the insulation line according to the full chromatographic standard. A single insulated wire is twisted in pairs at different pitch to minimize crosstalk and a specified chromatographic combination is used to identify pairs of wires. Cable core: the cable core structure is based on 25 pairs of cables. More than 25 pairs of cables are assembled according to the unit. Each unit is wrapped with the unit of specified chromatogram to identify different units. More than 100 pairs of cables plus 1% of the reserve pair. Shielding: the shielding layer is made of corrugated metal tape which is wrapped vertically on the outside of the cable core wrap belt and firmly bonded on both sides. The metal strip of the shielding layer is coated with plastic film to facilitate bonding with the sheath to prevent corrosion of the shielding layer. Protective sleeve: protective sleeve is black low density polyethylene, can use double protective sleeve according to the need.
Spin cassette XF5-273 communication cable transfer box, adopting advanced technology at home and abroad, in accordance with the international advanced standard production in the eighty s of cable wiring equipment, for the city, the town of telecommunication network backbone cable and wiring cable transfer. Features: 1. The connection jumper adopts rotary clamp-type connection and is sealed with silica gel on the metal clip, because it is not only reliable and durable, but also easy to operate and repair without stripping. 2. The wiring terminals in the handover box shall be arranged in 25 pairs as a basic unit, consistent with the basic units of the local telephone cables and marked with Numbers on the terminals to facilitate construction and maintenance. 3. The structure, arrangement and installation dimensions of the wiring modules are exactly the same as those of 3M products and can be used for each other. 4. The box body is treated by electrostatic spraying, beautiful and generous, with clear lines, good anti-corrosion and waterproof performance and long service life. Main technical parameters: the environment temperature: - 40 ℃ ~ + 65 ℃ atmospheric pressure: 70 ~ 106 kpa relative humidity: 95% or less is random ends and insulation resistance between terminals and ground > 5 x 104 Μ Ω. When connecting any two ends and any terminals and grounding to 1000V ac, there shall be no breakdown or flying arc in 1min. Contact resistance between wire and terminal < 5 x lO - 3 Ω.
Type KVRP, P1, P3, zr-kvrp, P1, P3 type 450/750v copper core polyvinyl chloride insulated sheathed cable applicable scope: this product is suitable for the rated voltage 450/750v and below transmission and distribution lines. Execution standard: GB9330-1988 and Q/SCT - J02.04-1999 using features: the highest rated temperature of the cable conductor is: PVC insulated cable is 70 ℃, cross-linked polyethylene insulated cable is 90 ℃. Cable laying the environment temperature is not lower than 0 ℃. The maximum bending radius of cable laying is: for unarmored cable, it should not be less than 6 times of the outer diameter of the cable, and the cable with shield layer or copper belt should not be less than 12 times of the outer diameter of the cable.

矿用电力电缆用途:本产品为煤矿用额定电压1KV及以下固定敷设用电缆,适用于煤矿井下的电力传输。
矿用电力电缆用途:本产品为煤矿用额定电压1KV及以下固定敷设用电缆,适用于煤矿井下的电力传输。
矿用电力电缆使用条件:线芯长期允许工作温度为65℃,电缆敷设温度不低于0℃,电缆允许最小弯曲半径为15(D+d)±5%。
在人口密度较小的作业区可以选用任意一种阻燃电缆。
(2)阻燃电缆分为A、B、C3类,其中A类阻燃电缆性能较B、C类更优,价格也最贵。
设计人员提供订货清册时应标明阻燃电缆的类别。
(3)从外观上无法区分阻燃电缆的A、B、C类别,只有靠制造厂家进行供货保证,在设计选用时应慎重选择电缆制造厂家。
三相电动机在起动时,起动电流很大,可达到额定电流的4~7倍,很大的起动电流,在短时间内会在线路上造成较大的电压降落,这不仅影响电动机本身的起动也会影响到同一线路上的其他电动机和电器设备的正常工作。
为此,对大容量电动机且起停频繁时,为了限制起动电流,必须采取降压起动。
所谓降压起动,就是在电动机起动时降低加在电动机定子绕组上的电压,当电动机转起来以后,再将加在定子绕组上的电压恢复到正常值。
由于电流与电压成正比关系,降低起动时的电压能减小起动电流。
注意:电线电缆安装应熟悉电线电缆性能的安装人员或专职技术人员担任,如仍有不清事项,请向相关技术部门或我厂技术部咨询。
产品标准:GB5023.5-86《额定电压450/750V及以下聚氯乙烯绝缘电缆(电线)屏蔽电线》1、用途:本产品适用于交流额定电压300/300V及以下电器、仪表、电子设备及自动化装置。

产品名称型号规格及范围:塑料绝缘和聚氯乙烯护套铁路信号电缆信号电缆PTYA23PTYAH,;PTYA;PZYA;PTYV;PTYY,;PTY22;PTY23;(PZY02;PZY03;PZY23PZY22)1/0.8mm(1/1.0mm)2-48芯适用于额定电压交流500V或直流1000V及以下的铁。
本厂生产的射频电缆的结构是多种多样的,可以根据不同的方式和型式来分类。
射频电缆按结构分类(1)同轴射频电缆同轴射频电缆是最常用的结构型式。
由于其内外导体处于同心位置,电磁能量局限在内外导体之间的介质内传播,具有衰减小,屏蔽性能高,使用频带宽及性能稳定等显著优点。
电动葫芦电缆-电动葫芦专用电缆-电动葫芦带丝绳专用电缆用途:本产品具有柔软、耐磨、防油等特性,线旁附钢丝绳,增强抗拉力。
适用于交流额定电压0.6/1KV及以下的行车、台车、传输机械等移动电器用动力传输线及控制、照明、通讯线路,本产品已广泛应用于冶金、电力、船舶、港口等行业。