| The reliability of power supply is power supply system on users’ ability to continuouspower, assessment is an important indicator of power quality in power supply system, toreflect the national economic power requirement of the electric power industry, has becomeone of the standards to measure a country’s economic development level of. The reliability ofpower supply management is involved in planning, design, construction, operation,maintenance of various aspects of systems engineering management, closely related with thepower grid planning, design, installation, operation, maintenance, maintenance scheduling,each stage, each link, relates to the operation and management of power grid units and themanagement of power production, any one of the stages and links will have an importantimpact on the reliability of power supply.Guangzhou "12th Five Year Plan", the "Twelfth Five Year Plan" period is defined as theconstruction of Guangzhou national center city full speed, accelerate economic and socialdevelopment critical period of transition. To ensure the power supply security measuresbecome the core construction. Therefore, according to the China Southern Power Grid andlong-term development strategy as a turning point, with the international advanced powersupply enterprise benchmarking as a means, starting from the full range of power gridplanning, procurement, construction, operation, management, a comprehensive study of thepower supply reliability improvement strategies, including:(1) A detailed analysis of the present situation of power supply in Guangzhou power grid,the peak load in Guangzhou power grid operation simulation, problems existing in powersystem and its influence on the reliability of power supply.(2) Through the Guangzhou power grid and Singapore Xin company reliabilitybenchmarking, analysis of Guangzhou power grid and the international advanced level of thegap from the aspects of network structure, power grid construction environment, engineeringquality control, quality control, planned outage management, state monitoring and conditionbased maintenance, accident treatment, distribution operation mode, anti multiple aspects ofexternal damage, prevent users go out, rapid restoration and repair of the accident, distributionautomation and protection, live line work, index management etc., and the impact ofblackouts on power supply reliability index is calculated.(3) Combined with benchmarking, put forward specific strategies to improve powersupply reliability of Guangzhou power grid from many aspects, and the influence on thepower supply reliability of distribution automation transformation after the implementation of quantitative calculation and analysis.In this paper, starting from the underlying, find the gap, seek reason, strategy, throughqualitative analysis and quantitative analysis combination method, the effectiveness ofstrategy is validated, in order to improve power supply reliability of Guangzhou power gridand put forward feasible suggestions. |
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