Armor cable: It is installed by different material conductors in a metal sleeve with insulating materials, and is processed into a bending solid combination.
Non-armor cable: cables without armor protective layers, from several or several sets of wires in each group of at least two twisted cables, each set of wires insulated, often surrounds a center Twisted. The entire outer bread has a highly insulated coverage layer.
Abstraktaĵo: Enkonduku la materialojn kaj strukturojn de ekologie amika mineralizolaj fajrokabloj, tra desegnado de mineralaj fajropreventado izolantaj tavoloj, termofiksaj polimeraj protektaj tavoloj, neorganika fibro plenigaĵo, malalta fuma halogen-libera silicia porcelana izolaj tavolo, metala kiraso fajrorezista tavolo, fajropreventa tavolo, kaj metala kirasa fajrorezista tavolo. La komponita obstina strukturo estas kunmetita de malalta-fuma senhalogena mediprotekta ekstera zorga tavolo, konsciante la median protekton de kablo fajrorezisto kaj malalta venena mediprotekta agado, malalta tokseco, kaj fajrorezista kablo.
La transmission line connection point is a major weak point of inline operation. In the operation of often heat burned, thus causing power outages. The analysis of the wire connection point heating problem, and timely adoption of appropriate preventive measures, will effectively avoid the wire connection point overheating. This causes the wire connection point to burn off the accident. Analyze the causes of wire connection point heating, and understand the theoretical basis for the temperature rise of high-voltage lines. Samtempe, mastering the prevention and solution measures to deal with the connection point heating problem, to ensure the safe and reliable operation of the line has practical significance.
Fiber optic cable construction is roughly divided into the following steps: preparation → routing project → fiber optic cable laying → fiber optic cable splicing → project acceptance.
La zinc oxide arrester uses zinc oxide resistance as the main component, which greatly improves the voltammetric characteristics of the arrester and increases the through-current capability. When the arrester is in normal operation, the voltage flow through the arrester current is only microampere. When the overvoltage is received, the excellent non-linear characteristics of the arrester play a good role.
A lightning arrester is mainly used to protect electrical equipment from lightning intrusion overvoltage and operating overvoltage on its power equipment insulation damage.
The insulation material of wire and cable is an important structure to ensure the proper operation of the conductor. The operating life of the insulation material is an important indicator of the life of the cable. Kutime, what are the insulation materials we use for wire and cable?
High-voltage line arrester for 6 ~ 220kV AC transmission lines, is a new type of lightning arrester suspended and installed on the transmission tower.
In the case of high-voltage transmission line construction, many people working on projects often come across high-voltage power cable joints. Hodiaŭ, I would like to discuss the types of high voltage power cable joints and their applications with you. Unue, let’s talk about what high voltage power cable joints are.
La ĉefa rolo de varmoŝrumpa tubo en cirkvito estas protekti gravajn aparatojn kaj cirkvitojn de damaĝo kaj efiko. Kvankam ĝi ne havas ajnan specialan efikon sur la funkciado de la cirkvito, ĝi ofte estas la ŝlosila punkto kiu determinas la sukceson aŭ malsukceson de la tuta dezajno. Kun la rapida disvolviĝo de la elektronika industrio, flamrezista varmoŝrumpa tubo ankaŭ estas neapartigebla de la elektronika industrio, pli kaj pli da elektronikaj produktoj bezonas uzi kontraŭflaman varmoŝrumpas tubojn por protekto. La kontraŭflama prilaborado de la varmoŝrumpa tubo, kiam atakite per eksteraj fajrofontoj, povas efike bloki, prokrasti aŭ haltigi la transdonon de flamo, atingi la efikon de flamo retardante.
Nuntempe, overhead cables are used to transport electricity over long distances. Conventional cables are mostly aluminum conductor steel reinforced (ACSR). Since the 1990s, carbon fiber composite cores (aluminum conductor composite core) have been used as the core bar of cables. ACCC has the following advantages over traditional conductors.
