12 May 2014
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Dubai Electricity and Water Authority (DEWA) is conducting its annual Power Factor (PF) campaign under the theme, ‘Why risk your high-cost equipment with a lower power factor?’ as part of its commitment to planet Earth and raising awareness about PF improvement in the commercial and industrial sectors. The campaign aims to help reduce carbon emissions and rates of consumption. The ideal PF for efficient capacity use is between 0.9—1.0. The power factor of an AC electrical power system is the ratio of the real power flowing to the load, against the apparent power in the circuit. Often it falls below the recommended range, causing lower capacity use and power wastage. This can be achieved by installing PF correction systems or activating and maintaining capacitors and feeders to ensure that they are working properly. “The campaign supports the Dubai Integrated Energy Strategy 2030 to reduce electricity and water use by 30% in 2030, and cut emission rates for a brighter future for generations to come. The campaign aims to raise awareness within the community and businesses to address both environmental challenges and high levels of use,” said HE Saeed Mohammed Al Tayer, MD & CEO of DEWA. “A high Power Factor contributes to reducing wastage in electricity use in the commercial and industrial sector. Through the campaign, we are encouraging them to increase power-use efficiency, and maintain the durability of devices and equipment to reduce wastage of electricity. This is why we are targeting the various relevant sectors, to encourage them to maintain the appropriate power factor. This in turn will increase efficiency and the lifespan of devices and equipment, and reduce wastage of electricity within the internal network,” added Al Tayer. “The following benefits can be achieved by improving the power factor within the recommended ranges of 0.9—1.0. It increases the efficiency of electrical equipment and lifetime of induction equipment, such as motors, enhances voltage profile, and reduces internal distribution system losses. These steps increase the available capacity (kVA) of the distribution network components such as transformers and feeders,” said Al Tayer. To ensure that commercial and industrial customers optimise their PF within the recommended ranges of 0.9—1.0, DEWA is reaching out to them to highlight the advantages of a high Power Factor and how to install automatic Power Factor correction equipment.