MANILA, Philippines—Power distributor Manila Electric Co. plans to retire five substations in Cavite, Lucena, Pagbilao, Forbes Park and Tondo and convert their odd-voltage systems to further reduce system losses within these areas.
In a filing before the Energy Regulatory Commission, Meralco explained that the retirement of the substations was in pursuit of its conversion program, which would give way to the development of the 20 kilovolt/34.5-kv distribution system in these odd-voltage areas.
In particular, Meralco has programmed the gradual conversion of odd-voltage systems or the distribution system with voltages other than 34.5 kv or 13.8 kv to the so-called “ultimate standardized 20 kv/34.5 kv distribution voltage system” within its franchise area.
“The objectives of voltage standardization are to minimize equipment inventory types, reduce technical system loss, and improve the flexibility and reliability of electric service by phasing out isolated odd-voltage systems,” Meralco explained.
For this year, Meralco has earmarked about P7 billion for 12 electric capital or service-improvement projects that would not only add a total of 249 megavolt amperes (MVA) to the company’s distribution substation capacity, but also cut the utility’s technical system loss by as much as 6 million kilowatt-hours (kWh) a year. This is equivalent to an estimated P37.3-million reduction in system loss charges to its customers.
The new substation facilities would provide the additional capacity needed to accommodate new applications for electric service and likewise normalize six critically loaded power transformer banks, while the other service improvement projects are expected not only to address the critical loading conditions of the existing distribution facilities but also provide switching flexibility during line troubles or maintenance.—Amy R. Remo
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