Overloaded distribution transformer resizing of a 5-year energy consumption forecast on Feeder 4 of Leyeco III, Tunga, Leyte, Philippines

Date

7-2015

Degree

Bachelor of Science in Electrical Engineering

Major Course

Major in Power Engineering

College

College of Engineering and Agro-Industrial Technology (CEAT)

Adviser/Committee Chair

Roderick L. Catriz

Abstract

Leyte III Electric Cooperative (LEYECO III), like any other electric cooperative in the Philippines, experiences recurring transformer overloading due to increase in energy demand over time. In this study, a forecasting technique called the Method of Seasonal Centre Moving Average in Multiplicative Model was used to predict the 5-year long monthly energy demand in LEYECO III, covering November 2013 to October 2018. Based on the energy demand, a total of 18 overloaded transformers and transformers that are on the verge of overloading were identified and evaluated for resizing based on the Permissible Loading of Oil-Immersed Transformers and Generators Manual. This manual is made by Facilities Engineering Branch of Colorado. Moreover, since simultaneous replacement of all the overloaded transformers is costly, it was further recommended that a schedule of resizing or parallel operation of transformers be done. Among the identifies transformers, eight (8) will be resized on 2015, five (5) on 2016, and one (1) in 2017. Once the overloaded transformers are replaced, the events of overloading that will occur until October 2018 will also be eliminated.

Language

English

Location

UPLB College of Engineering and Agro-Industrial Technology (CEAT)

Call Number

LG 993.5 2015 E64 /C83

Document Type

Thesis

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