Usage of Uninyvin Cables in UPS Systems

Conductor Heating Factor

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Conventional Cables are made out of Bare Copper bunched together with Normal PVC Insulation capable of withstanding 70.c. As per Indian Standard (IS 694) the cable size is increased to get the required rating. There is no risk of conductor heating but the increased size means increase in cost and cable weight. The increasing trend in the metal cost also attributes to its share in the cost factor. Resistence is comparatively low in Normal PVC cables. The more conductors mean more investment and additional weight for the equipments. Using aluminium conductor is never suggested as a solution because bending the cable will break the conductors and there is always to take once size higher than copper cable to get the required ratings.

Uninyvin Cables are made out of Annealed Tin Copper Conductor laid up uniformly with Heat Resistant PVC insulation capable of withstanding 105.c conductor temperature during the continuous operation. To get more fire retardancy Nylon and Fiber Glass braiding is provided in the outer layers. Nylon and Fibre Glass is known for high temperature withstanding properties and the heat generated in the conductor due to continuous operation will not be felt in or outside the UPS system and thereby no heat effect to the installation and surrounding areas. Fibre Glass braiding is also resistance to Fluids, Acids and Chemicals since the UPS installations are mainly in the commercial or industrial premises where oils. Chemicals, and solvents are being used as in put materials for manufacturing.

Compact, Low Weight, Easy To Move, User Friendly Equipments
Future is for compact machines and easy to carry models. Using normal pvc cables, conventional pvc cables, pvc cables, pvc control cables, pvc cables, control cables in Ups systems will increase the risk of abnormal weight, design problems because of the wiring. Reducing the size of equipment with Normal Cabling and Higher Range will again increase the risk of cable faults because a minor temperature variation in conductor will damage the insulation of the cable in a compact environment. PVC outer insulation is always risk when the conductor temprature is high due to load factor and the cable altogether get heated and the heat will provoke fire if paper waste, wooden items, critical plastic case, any other genuine equipments that can ignite fire in a office or work area circumstances. The possibility of office this fire can be prevented due to high rate of fire retardancy in Uninyvin cables. The conductor temperature will increase in the cable but the cable will not expose the conductor temperature to an outside body or material lying in the vinicity of the equipment wherein the wire is used any contact with the accumulation of flammable particles like wastes, paper or cloths or any particles that could lead to external fire and damage.

In UPS systems research is on to make all the models user friendly by size, design, weight and visual aspects. UPS manufacturer applying latest technology in UPS manufacturing. Their R&D is on the job of designing various users friendly UPS, which are, look compact, low weight and perform well in terms of power supply. The uninyvin cables are applied inside as power cable kits, power sharing cubicles as well as all the necessary internal systems. These cables can also be considered for laying purpose with proper selection of the cable no yield in the communication industry.

G.177 British Standard states the requirements for Nyvin type cables for aircraft wiring. The Cables are suitable for use in circuits in which the voltage between conductors, between a conductor and a metal braid surrounding it and between a conductor and the aircraft structure nowhere exceeds 600 Volts r.m.s and in which the frequency does not exceed 1600 c/s. The cables are suitable for use where, in continuous service, no combination of ambient temperature and conductor current produces a stabilized conductor temperature in excess of 105.c. They are suitable for fixed wiring in aircraft at temperature below -30'C.

This standard prescribes the physical, dimensional, electrical climatic requirements and test methods for the Navy in type critical cable for aircraft wiring. The cables are suitable for use in circuits which the voltage between conductors, between the cables do not support combustion but they do not comply with the requirements of Britsh Standard G.100. This cables are suitable for use in areas where Easter-base fluids are present.

UPS Systems manufacturers use these very special cables, qualifying norms of fire ret ardency as per BS 177 clubbed with its compact size due to high level of fire ret ardency this cables cannot be substitute besides being considered as low weight and high performance cables in respect of ratings, die-electrical strength, heat resistance, mechanical strength and flexibility. These cables also contribute a great towards the noise in ths equipments and there in parley with the noise norms laid down by the regulatory authorities. A Case study using Nyvin -10 in the UPS is done by ERTL research team also made a report on this which is sending for study.