Thesis Paper On Power Factor Improvement

Thesis Paper On Power Factor Improvement-27
Much as the ERT-2 project was approved in 2009, actual implementation of the power factor improvement scheme started in 2011 but in a slow pace.

Much as the ERT-2 project was approved in 2009, actual implementation of the power factor improvement scheme started in 2011 but in a slow pace.

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Since this study essentially compares the quantum (maximum) of electrical energy consumed by all households and firms connected to the electricity distribution grid in the period before and after the government intervention (ERT-2 project power factor correction scheme), the data collected for analysis are from all electricity consumers (population) on the grid.

The data are monthly in resolution, for the period of January 2011–August 2014 leading to 44 data points for each variable.

Finally, with the implementation of power factor correction scheme, there is a noticeable reduction in electricity consumption at peak time of use (TOU) and growth in consumption of electricity at nonpeak time TOU, which was not the case before the implementation of the scheme.).

At the production firm level, the benefits of energy efficiency include reduction in resource use, improved production and capacity utilization, and less operation and maintenance costs, which lead to improved productivity and competitiveness (International Energy Agency (IEA) ).

The ERT-2 project focusing on the power factor improvement scheme is implemented by the Private Sector Foundation Uganda (PSFU) under the Business Uganda Development Scheme (BUDS).

The target power to be saved under this initiative is 10.4 Mega-Volt Amperes (MVA) of demand and associated wasted energy.

More recently, in 2006, Uganda experienced a deficit in electricity supply owing to a prolonged drought, delayed development of the 250 MW Bujagali hydropower project, and demand growth (Mawejje et al. Consequently, between 20, the Uganda Ministry of Energy and Mineral Development (MEMD) with support from the World Bank conducted targeted energy audit studies of large manufacturing plants with the highest potential to save electricity (World Bank ).

These studies evaluated the costs required to implement the energy conservation measures with a special focus on the efficient use of electricity.

Results from the energy audit studies in Uganda showed that most of the large industries in the country were energy inefficient, with the power factor ranging between 0.52 and 0.85 (see Fig in Appendix); yet Uganda’s Electricity (Primary Grid Code) Regulations, 2003, require that the power factor for electricity distributors and big consumers should not fall below 0.9.

This is because the power factor, which is defined as the ratio of ‘active or productive power’ (measured in kilowatts—k W) used in the circuit to the ‘reactive or apparent power’ (expressed in kilo-volt amperes—k VA) is the percentage of electricity that is used to do useful work in electrical equipment (Bhatia ).

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