Patents Assigned to Alstom Grid Protection & Controle SAS
  • Patent number: 8755155
    Abstract: 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.
    Type: Grant
    Filed: October 5, 2009
    Date of Patent: June 17, 2014
    Assignees: Schneider Electric Protection & ContrĂ´le SA, ALSTOM Grid Protection & ContrĂ´le SAS
    Inventor: Jean Marmonier
  • Publication number: 20110299199
    Abstract: 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.
    Type: Application
    Filed: October 5, 2009
    Publication date: December 8, 2011
    Applicant: Alstom Grid Protection & Controle SAS
    Inventor: Jean Marmonier