Five Essential Factors to Proper Power Cable Selection and Application Electrical and mains power cables are present in all applications that require power or lighting. When selecting a cable system, additional knowledge is required for smooth operations. This knowledge consists of the cable system’s service conditions, construction, type of load served, mode of operation, maintenance and the like. Whatever industry you’re in, here are the key factors in selecting the most suitable cable system for your application. Cable installation Power cables in india can be used for indoor or outdoor installations, depending on the load served and the distribution system. A good understanding of local conditions, installation personnel and maintenance crews is vital to ensure that the cable systems will operate properly. Often, cable insulation becomes weakened or damaged during installation due to incorrect application of pulling tensions. If you have a competent installation and maintenance team, you reduce network downtime and there’s a lower possibility of connectivity errors. Cable construction The type of cable construction required for a specific installation bears upon your selection of power cable. Cable construction, meanwhile, involves conductors, cable arrangement, insulation and finish covering.
Conductors — Conductive materials such as aluminium and copper are used based on their workmanship, environmental conditions they will be subjected to and maintenance.
Cable arrangement — Conductors can be arranged to form single-conductor or three-conductor cables. Single conductors are relatively easier to install and splice. They can also be used to form multiple cable circuits. On the other hand, three-conductor cables contain ground wires that provide the lowest impedance path.
Insulation and finish covering— this is generally based on the installation type, service conditions, ambient operating temperature and type of load served. In some installations, unusual conditions may be present such as a corrosive atmosphere, presence of oil and solvents, insect and rodent hazards, extreme temperatures and presence of ozone.
Cable operation The cable’s insulation needs to withstand the voltage stresses experienced during various operating conditions. Cable insulation selection is based on the appropriate phase-to-phase voltage and the general system category is classified as 100%, 133% or 173% insulation levels.
Cable size Cable size selection is dependent upon the following factors: current carrying capacity, short circuit rating and voltage regulation.
Current carrying capacity — this is based on the cable’s thermal heating
Short circuit rating — cable size is checked for its capability to withstand short circuits and thermal damage
Voltage regulation — voltage drops are checked to ensure correct load voltage
Shielding Shielded power cables offer more protection than standard unshielded ones. In power systems where there is no metallic or shield covering, the electric field is partly in the insulation system and partly in the air. If the electric field is intense, as in the case of medium and high voltage, surface discharges will occur and cause air particle ionization. The shielding in power cables mitigates the potential of serious safety hazards and increases the reliability of the cable circuits. High-Grade Offshore Power Cables from AIC AIC is an established supplier of industrial and marine cables in India. All our products are sourced from world-leading brands to provide you with the best solutions in the industry. Contact us to discuss pricing, quotations and shipments. Visit https://aic.in/ for cable tray, starters for motors, cable glands, cat6 cable, patch cord, surge arrester, frls cable, cat6 cable price, shielded cable, motor starter single phase, siemens contactor, cat5e cable, flexible cable, double compression cable gland, control cable, pvc cable tray, siemens mcb, instrumentation cable, ethernet cable price, cat6 cable price 100 meter.