Client-side Power Quality Evaluation System Design And Implementation

With the progress of society, grid-scale size and quality of power supply has been increasing emphasis both for electricity is also increasing quality requirements on the power grid, State Grid Corporation actively promote "strong three excellent building, and constantly push forward the transformation of development mode, deepen style construction of the electric power industry, to improve the level of quality of power supply services, the main goal of the smart grid construction, but found through statistical network system in the country, only Shandong has research and demonstration on the customer side of the power supply quality, but from the coverage, just for the high-voltage customers and achieve comprehensive coverage, comprehensive quality monitoring on the customer side of the power supply.This paper introduces the research background and research trends at home and abroad, and a brief power quality national standards described, given the quality of power supply monitoring indicators algorithm based on this standard, and then distributed power supply quality monitoring system of the main structure, and functional requirements of the system, adopt international advanced and mature the SMART evaluation system design criteria, the establishment of the evaluation of all aspects of the quality of power supply able to cover the management of the provincial grid companies, the cities two functions level function all customers covered by the province, in the range of technically has good scalability, openness and maintainability, highly integrated client-side power supply quality evaluation system. Promote the effective conduct of the evaluation by the customer side of the power supply quality marketing workflow to improve and promote the marketing business application systems, information collection system and the height of 95598 data sharing and deepening of applications to enhance the customer side of the power supply quality service levels and marketing business application capabilities. In order to establish a real-time, economic, convenient power quality monitoring system, to meet the requirements of sustainable development of the power company. Promote the collaborative development of power marketing business.