Industrial electrical cables are one of the essential components in the construction and operation of factories and organizations. Therefore, the quality and technical standards of electrical cables are always a top priority when building factories. This not only ensures stable and safe operation but also reduces maintenance costs and minimizes breakdowns during use. So, what should you consider when choosing industrial electrical cables? How can industrial electrical cables be properly installed and deployed according to standards? Which brand and where should you buy electrical wires? Let's explore these questions together with FERMENTUM in the following article!
There are several common methods for classifying different types of electrical cables. However, we will only introduce the main classification methods, including:
Classification of electrical cables based on the conductor material:
- Copper cables
- Aluminum cables
Classification based on the number of conductor cores:
This classification method is based on the number of conductor cores in the cable.
- Single-core cables: Cables with only one conductor core
- Twin-core cables: Cables with two conductor cores
- Three-core cables: Cables with three conductor cores
- ...
Classification based on the application of electrical cables:
This differentiation is based on the technical requirements of the cables about the environment and the intended use of the cables.
- Power cables: Used in cases where electricity is supplied to equipment, such as lighting systems, motors, switchboards, etc.
- Control cables: Used to transmit control signals from control centers to sensors and actuating mechanisms. Control cables have multiple cores depending on the signal requirements of the equipment.
- Overhead power lines: Used for overhead transmission lines, grounding conductors, guy wires, lightning protection cables, etc.
- Flame-retardant and fire-resistant power cables: Used for low-voltage power distribution systems, with high resistance to wear and tear, suitable for hazardous environments prone to fire and explosions.
- Medium-voltage power cables: Used for medium-voltage power distribution systems.
This content helps customers understand the technical characteristics of electrical cables, aiding in the selection of cables suitable for their specific requirements.
Symbols based on the components of electrical cables:
- Cu - copper: Material Copper
- Al- aluminum: Material aluminum
- PVC - Polyvinyl Chloride: The most commonly used flexible insulating material for wires and cables.
- PE – Polyethylene: PE has proven to be an excellent insulating material due to its good dielectric properties, mechanical strength, stability, and resistance to chemical degradation. However, the linear molecular chain bonds of polyethylene molecules make it susceptible to breakage at temperatures above 70°C. Therefore, PE is limited in high-temperature environments.
- XLPE – Cross-Linked Polyethylene
- DATA, DSTA, SWA: Protective layers, noise shields
- FR - Fire-Resistant: Flame-retardant
When choosing electrical cables, customers need to consider the following factors:
- Rated current: This factor runs through the cable core and generates heat, causing the cable to become hot. If the cable temperature exceeds the allowable limit, a cable with a larger cross-sectional area should be chosen.
- Voltage-drop: The voltage drop depends on the load current, power factor, cable length, cable resistance, and reactance. According to the IEE 522-8 standard, the voltage drop should not exceed 2.5% of the nominal voltage.
- Short-circuit current
- Installation method
- Ambient temperature or ground temperature
The installation and construction of an electrical cable system play a crucial role in the construction and operation of a plant. Proper installation and construction ensure that the system operates stably, extends the lifespan of the electrical cables, and, most importantly, prevents potential accidents caused by electrical cable issues.
-Preparation phase: Before installing electrical cables, it's essential to complete the support system for the cables, cable trays, conduits, and ducts (if the cables are underground). These systems need to be constructed according to technical standards.
-Industrial cable pulling: Before pulling the cables, carefully inspect the cable routes. Lay down fabric or rollers at bending points or areas that may damage the cable. During the cable-pulling process, caution must be exercised to avoid damaging the electrical cables.
-Arrange electric cables: Cables should be arranged neatly and logically, avoiding overlap. Especially for large power cables, the arrangement of power cables needs to comply with specific standards.
-Inspection of industrial cables: Check the cable connection points according to the drawings. Inspect the insulation of the cables, especially for high-tension cables.
As an essential component, ensuring the quality criteria of electrical cables is always a top priority. To guarantee this, customers should choose electrical cables from reputable brands, including Cadivi (Vietnam), LS-Vina (South Korea), Helukabel(Germany), Taihan (South Korea),...
To save time and costs, customers may consider our services for the design, supply, and installation of industrial electrical cable systems. With a team of highly skilled engineers and extensive experience in executing numerous large-scale projects for both domestic and international enterprises, we adhere to professional work ethics, sincerity, and systematic work processes. We aim to provide customers with peace of mind and satisfaction when using our services.
Therefore, customers in need of industrial electrical cables or searching for contractors for the supply and installation of industrial electrical cable systems should not hesitate to contact us. We are always ready to listen and delighted to serve our customers.
