An on-load capacity regulation method for distribution transformers based on short-term load forecasting

Abstract

The invention provides a distribution transformer on-load capacity regulation method based on short-term load forecasting. The distribution transformer is an adaptive load distribution transformer or an on-load capacity regulation distribution transformer. The method includes the following steps: monitoring the load condition in real time and Record keeping; conduct short-term load forecasting, and then generate state levels; determine distribution transformer on-load capacity regulation strategy and perform related operations. The invention provides a distribution transformer on-load capacity regulation method based on short-term load forecasting. On the basis of self-adaptive short-term load The on-load capacity regulation control of electric transformers reduces the frequent capacity regulation caused by load fluctuations in distribution stations, improves the cost performance and service life of capacity regulation switches, and reduces the impact on the distribution network.

Description

technical field [0001] The invention belongs to the technical field of power systems, and in particular relates to a method for on-load capacity regulation of distribution transformers based on short-term load forecasting. Background technique [0002] Distribution transformers (adaptive load distribution transformers or on-load capacity regulation distribution transformers) have the function of on-load capacity regulation, and can work in two operating modes of large rated capacity and small rated capacity, which are more suitable for the annual average load rate. Less than 25%, and regional applications with seasonal or cyclical changes in load, the energy-saving effect is remarkable; these areas are mainly rural or urban commercial areas. At present, load forecasting results are not considered in the on-load capacity regulation control method of distribution transformers, and capacity regulation is only performed based on real-time monitoring loads. Due to large fluctuati...

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Problems solved by technology

[0004] At present, the existing distribution transformer on-load capacity regulation control method does not consider the load prediction results, and only performs capacity regulation based on real-time monitoring load. Due to the large fluctuations in the distribution station area, the on-load capacity regulation switch operates frequently, which increases the load. The impact on the distribution network reduces the service life of the on-load capacity regulating switch, which is not conducive to the safe and economical operation of the distribution transformer

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