Patent ID: 9152409
Filing Date: 2015-10-06
Classification: G06F

Abstract:
1. A low or medium voltage electric power distribution network comprising: at least a protection and control (“P&C”) device (IED a computer station which communicate with said at least a P&C device through a communication network; wherein said computer station comprises first computerised means for executing, according to a batch processing mode, downloading sessions of software packages (F wherein said at least a P&C device comprises second computerized means for executing a procedure for safely managing software upgrade to upgraded software in said at least a P&C device and third computerized means for storing the software packages downloaded by said computer station and for saving a back-up copy of old software to be updated that is already resident in said at least a P&C device; wherein the said second computerized means is configured to execute the procedure as comprises the following: checking whether the software packages downloaded by said computer station have been correctly stored, comprising a consistency check between a configuration tool of the computer station and said at least a P&C device being performed to validate the upgraded software; waiting for confirmation that the software packages downloaded by said computer station have been stored correctly; when said confirmation is not received in a predefined period of time, sending instructions to recover said back-up copy of the old software, said back-up copy of the old software being used to continue the normal operations of said at least a P&C device.