Report on Power Quality of Electricity Supply to the Consumers
Executive Summary: This report presents an analysis of the power quality of electricity supply to consumers in a specific region. It examines various aspects of power quality, including voltage stability, frequency stability, harmonic distortion, voltage fluctuations, and interruptions. The findings highlight areas of concern and provide recommendations for improving power quality and enhancing consumer satisfaction.
Introduction: The quality of electricity supply plays a crucial role in ensuring the reliable and efficient operation of electrical systems and the satisfaction of consumers. This report aims to evaluate the power quality provided to consumers in the studied region and identify areas for improvement.
Methodology: The analysis is based on data collected from power monitoring equipment installed at strategic locations within the distribution network. The data include voltage and frequency measurements, harmonic levels, voltage fluctuations, and records of interruptions. Additionally, surveys and interviews with consumers were conducted to gather feedback on their experiences with the electricity supply.
Findings:
Voltage Stability: The voltage levels within the distribution network were found to fluctuate outside acceptable limits, particularly during peak demand periods. This instability resulted in voltage sags and swells, affecting the performance of sensitive equipment.
Frequency Stability: The frequency of the electricity supply deviated from the standard frequency of 50Hz, indicating issues with frequency regulation within the power system. These deviations could lead to disruptions in the operation of time-sensitive equipment.
Harmonic Distortion: Analysis of harmonic levels revealed elevated levels of distortion, especially in areas with high concentrations of non-linear loads such as industrial facilities and commercial establishments. This harmonic distortion could cause overheating of equipment and interference with communication systems.
Voltage Fluctuations: Voltage fluctuations, including sags, swells, and flicker, were observed throughout the distribution network, primarily due to changes in load demand and the presence of large industrial loads. These fluctuations posed risks to the stability of the electricity supply and the integrity of consumer equipment.
Interruptions: Records of interruptions indicated frequent occurrences of power outages, both scheduled and unscheduled, resulting from equipment failures, maintenance activities, and external factors such as severe weather conditions. These interruptions caused inconvenience to consumers and disrupted business operations.
Recommendations:
Implement voltage regulation devices such as voltage regulators and capacitors to stabilize voltage levels within the distribution network.
Enhance frequency regulation mechanisms to ensure compliance with the standard frequency and minimize deviations.
Install harmonic filters and mitigate the effects of harmonic distortion on the power system and consumer equipment.
Improve load management strategies to mitigate voltage fluctuations and enhance system stability.
Invest in infrastructure upgrades and maintenance to reduce the frequency and duration of power interruptions and enhance the reliability of the electricity supply.
Conclusion: Addressing the identified issues and implementing the recommended measures will contribute to improving the power quality of electricity supply to consumers, enhancing the reliability, stability, and efficiency of the electrical system, and ultimately, increasing consumer satisfaction. Ongoing monitoring and proactive management are essential to ensuring continued improvements in power quality and meeting the evolving needs of consumers.

