Using the Piecewise Method to Check the PV String Ground Point Updated On Thu, Jul 20th, 2023 by Saurenergy Background As the running time of PV plants increases, the DC line slowly ages, and the waterproof performance of the DC terminal (MC4 terminal) deteriorates. As a result, the insulation impedance of the DC line is too low, or the positive and negative terminals are short circuited to the ground. Either way, major failures may […] Read more
