In grid connected photovoltaic systems,due to different grid connected equipment,the failure of energy metering de-vices can seriously affect the overall accuracy of electricity metering.Traditional methods do not distinguish the types of faults,resul-ting in significant metering errors.Propose an automated compensation method for electricity metering after grid connected photovolta-ic system failures.Implement missing data interpolation processing for residual current,residual voltage,and other data of the energy metering device during faults in the system.Classify faults in electrical energy metering devices;Based on different types of faults,estimate the automation recovery data of the electricity metering device to achieve comprehensive automation recovery of electricity me-tering after photovoltaic system faults.The results of this method are close to the actual residual electricity,and the automatic com-pensation effect of electricity metering is good,and the relative error and absolute error of automatic compensation of electricity mete-ring are low,there is a small difference between it and the actual charge.
关键词
并网型光伏系统/电量计量自动化追补/极限梯度提升模型/电能计量装置故障
Key words
grid-connected photovoltaic system/automatic catch-up of electricity metering/limit gradient lifting model/elec-tric energy metering device failure
维普
万方数据