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How to judge the hottest day in summer by load curve
This is the knowledge of electrotechnics and building environment. You can go to HowNet to check the residents' load. Temperature sensitive load; Unit temperature rise effect; Regression analysis of basic load curve of temperature and cooling load. Please refer to the following articles for details.

GB/T 77 14[ 1] Zhu Qianjin. Analysis method of summer cooling load based on basic load curve [J]. Electrotechnics: Theory and Practice, 20 17.

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The daily load curve of power system [1] is a curve describing the change of load with time (in hours) in a day. The load curve describes the law of load changing with time in a period of time; According to the load type, it is divided into active load curve and reactive load curve; Divided into daily load curve and annual load curve according to the length of time; According to the metering position, it is divided into load curves of individual users, power lines, substations, power plants and even the whole system. 24-hour power load forecast the next day. Arranging daily dispatching plan, deciding start-stop plan, economically distributing load and arranging alternate reserve capacity are the basis of power system dispatching. The accuracy of daily load curve prediction directly affects the economic benefits of power system operation.