| 20110299199 | DEVICE AND A METHOD FOR PROTECTING A LINK IN A MEDIUM, HIGH, OR VERY HIGH VOLTAGE ELECTRICAL NETWORK - A device and method of protecting a link in a medium, high, or very high voltage power network, with current and voltage transformers and trip circuits being disposed on the link. The protection device includes a mechanism to directly connect to a power supply, to the current and voltage transformers, and to the trip circuits, via analog links, and a mechanism to convert from analog to digital that is connected to a central processor unit via a digital link, the analog-digital conversion mechanism including an integrated test plug socket function. | 12-08-2011 |