PROTECTION AND CONTROL SYSTEM
First Claim
Patent Images
1. A system for protecting, controlling, and monitoring substation devices of a power system, the system comprising:
- a plurality of protection and control units that is connected to a first bus and a second bus and performs a protection and control operation for the substation devices;
a database unit that is connected to the second bus and stores therein unit information that includes software and a device setting value for each of the protection and control units; and
a spare protection and control unit that is connected to the first bus and the second bus, and when there is a failure in a protection and control unit from among the protection and control units, downloads the unit information of failed protection and control unit from the database unit via the second bus and functions as an alternative unit for the failed protection and control unit, whereinthe first bus is for transmitting analog signals and device data from the substation devices as serial data, andthe second bus is for transmitting protection and control data of the substation devices as serial data.
1 Assignment
0 Petitions
Accused Products
Abstract
A system for protecting, controlling, and monitoring substation devices of a power system, includes a spare protection and control unit that, when there is a failure in a protection and control unit from among protection and control units that perform a protection and control operation for the substation devices, downloads unit information including software and a device setting value of failed protection and control unit from a database unit and functions as an alternative unit for the failed protection and control unit.
-
Citations
4 Claims
-
1. A system for protecting, controlling, and monitoring substation devices of a power system, the system comprising:
-
a plurality of protection and control units that is connected to a first bus and a second bus and performs a protection and control operation for the substation devices; a database unit that is connected to the second bus and stores therein unit information that includes software and a device setting value for each of the protection and control units; and a spare protection and control unit that is connected to the first bus and the second bus, and when there is a failure in a protection and control unit from among the protection and control units, downloads the unit information of failed protection and control unit from the database unit via the second bus and functions as an alternative unit for the failed protection and control unit, wherein the first bus is for transmitting analog signals and device data from the substation devices as serial data, and the second bus is for transmitting protection and control data of the substation devices as serial data. - View Dependent Claims (2, 3, 4)
-
Specification