Calculation method and system for converting synchronous comprehensive line loss into electric quantity

The invention provides a method and system for calculating the converted electric quantity of the synchronous comprehensive line loss, and the method comprises the steps: obtaining the last meter code information of a metering point of a charging main meter; determining whether the time of the table code information is within the line loss calculation period; if yes, comparing the local compilation of the starting point of the line loss calculation period with the meter local compilation of the first day of the next month of the month where the line loss calculation period is located, and determining the type of conversion reckoning according to a comparison result; extracting a minimum code and a stop code with the longest time span of the meter in the line loss calculation period; determining whether the ratio of the time span of the at least code and the stop code to the line loss calculation period is greater than a preset judgment standard value or not; if not, the recent settlement electric quantity of