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National Repository of Grey Literature 51 records found  beginprevious50 - 51  jump to record: Search took 0.00 seconds. 
Testing of the relay communication according IEC 61850
 Uchytil, Tomáš ; Topolánek, David (referee) ; Toman, Petr (advisor)
This thesis contains an overview of a new standard IEC 61850. Parts of the standard are described particularly. More space is devoted to the analysis of communication in substations and to features of horizontal GOOSE messages. The other part is devoted to testers of protection and their use in testing of communication in substations according with IEC 61850. The last part is a practical example of using the tester and software for communication network monitoring and measurement of reaction of the system which is controlled with GOOSE messages.
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Project of Communication for Distance Protections 7SA 610 Protecting a Transmission Line
 Bartko, Jan ; Topolánek, David (referee) ; Orságová, Jaroslava (advisor)
This work describes the structure and function of the distance protection relay Siemens 7SA610 SIPROTEC and presents the basic theoretical knowledge of the communication standard IEC 61850 at the beginning. It focuses on the configuration of the topology of two 7SA610 distance protection relays, PC and secondary relay test set Omicron CMC256 +. These two distance protection relays were programmed by using software implement DIGSI to transmit and receive GOOSE messages. It served to testing this created network by simple function. Computer and tester simulated the control system and commanded auto-reclosure to the first distance protection. Instruction was processed and also sended to the second distance protection. The final objective was to measure the tranfer time of GOOSE message between two distance protection relays. There was used a secondary tester. This measurement was implemented the tester Omicron CMC 256 +, which involves extending the NET-1 and so is compatible with the standard IEC 61850. The results and further actions are summarized in conclusion.
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National Repository of Grey Literature : 51 records found   beginprevious50 - 51  jump to record:
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