Patent ID: 7103453

Claim:
A method for installation of a programmable protective function in a protective device for an electrical power distribution network, with the protective device having means for processing measured values from measurement appliances for the power distribution network, and having means for initiating switching commands by primary appliances for the power distribution network, and the protective function determining the switching commands on the basis of the measured values, when it is carried out, wherein the method has the following steps: transmission of a description of the protective function from a remote function server via a communication link to the protective device, loading of the description in the protective device, and implementation of the loaded description of the protective function, wherein a license management means exists, which determines a license status of the protective device, and wherein use of the protective function is dependent on the license status, wherein the use of the protective function comprises one of the group consisting of the transmission of the description of the protective function, the loading of the description of the protective function, and the implementation of the description of the protective function, and wherein, if the license status does not allow the use of a protective function, a basic protective function which implements predetermined protection can be carried out.