Complex sentence: For example, if there is a residual SP-PV error after the application of proportional control, the integral term seeks to eliminate the residual error by adding a control effect due to the historic cumulative value of the error.
Split into simpler sentences: For example, if there is a residual SP-PV error after the applications of proportional control, the integral value of the error will accumulate over time. This integral term seeks to eliminate the residual error by adding a control effect due to the historic cumulative value of the error.