A power load shedding analysis method and a storage medium for a nuclear power unit

Abstract

The invention relates to a power load shedding analysis method and a storage medium for a nuclear power unit. On the one hand, the power peak shaving target model is constructed by collecting the electric power of the nuclear power unit in the process of power shedding and power increasing, so that the power peak shaving target model has strong adaptability and high accuracy, can predict the powerfluctuation rate, power loss and power loss of the nuclear power plant generating set in real-time and accurately, which can provide technical reference for the operators to manage the normal operation of the generating set, and can also provide guidance for the formulation of the annual power generation plan of the nuclear power plant. On the other hand, the power load shedding target model hastwo-dimensional distribution of electric power and time, which forms a visual power load shedding prediction data model, and can improve the accuracy of safety risk prediction of power load shedding trend for unit operators by drawing visual power load shedding prediction path.

Description

technical field [0001] The invention relates to the field of nuclear power, in particular to a power load shedding analysis method and a storage medium for nuclear power units. Background technique [0002] At present, the load peak-to-valley difference in my country's coastal areas continues to increase. With the development trend of large-scale grid-connection of some new electric energy sources, the peak-shaving situation of the power system is becoming more and more unoptimistic, and the demand for nuclear power units to participate in peak-shaving is also increasing day by day. The power load reduction of nuclear power units is an important indicator for nuclear power units to participate in peak regulation. Power load reduction is mainly to deal with the planned short-term load peak regulation of the State Grid or China Southern Power Grid. During major maintenance and planned major repairs, the power shedding procedure for nuclear power units will be initiated and imp...

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Problems solved by technology

[0003] In some European and American countries, nuclear power units already have load-following capabilities and can participate in power system peak regulation and power load shedding requirements. The research on mathematical modeling of power load shedding and its safety constraints has not been carried out in depth

Taking the CPR1000 unit as an example, the power load shedding trend of nuclear power units cannot be simulated and predicted in advance, and it lacks the ability to predict possible safety risks during the power load shedding process, and it is also impossible to effectively analyze possible problems in the trend through simulation prediction , there is a greater security risk

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