适用于所有尺寸的聚乙烯和金属护套电缆的架空、直埋和管道系统。
Be suitable for the buried, underground and pipeline systems with PE and metal wraparound sleeves of all size.
在平行长度较大时，带金属保护套的电力电缆对通信线路的干扰主要取决于感性耦合。
Inductance coupling is the most important from power cable with metallic shield to communication lines when they are parallel with in a long length.
高压电缆的金属护套交叉互联导致行波在多个波阻抗不连续点产生了复杂的折反射行为，这对高压电缆线路的行波故障测距产生很大的影响。
The reflection and refraction of traveling wave are quite complicated at the sheath-crossing point of high voltage power cable, due to its remarkably noncontinuous surge impedance.
对于不同长度的电缆线路其金属护套的接地方式亦不尽相同，从而对电缆线路参数，尤其是对零序阻抗将产生较大的影响。
The earthing method of the metal sheath varies somewhat in different cable lengths, which affects greatly line parameters, especially zero sequence impedance.
用于直埋、工井或隧道内敷设的两段电缆连接，电缆金属护套可直接连接，也可交叉连接。
For connection of two sections cable in direct burial, working well or tunnel, the cable metal bushing can be connected directly, and also can be connected across.
本发明涉及一种有机绝缘金属护套伴热电缆及其制造方法。
The invention relates to a heat tracing cable with an organic insulated metal sheath and a manufacturing method thereof.
实验结果表明环流法可在线检测电缆金属护套多点接地。
The results of the experiments prove that the circulating current method is feasible. It will bring mu…
实验结果表明环流法可在线检测电缆金属护套多点接地。
The results of the experiments prove that the circulating current method is feasible. It will bring mu…
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