dLaboratory - Relay Protection System
dLaboratory's relay protection system dProtection is a modern centralized computer system for relay protection functionality, registration of incidents and incident analysis.
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Details
The system is based on hardware from Beckhoff Automation AB. The computers and related components are designed for industrial environments, has long lifecycle and high endurance and fulfills EN 61000-6-2 and EN 61000-6-4 among other standards. All components in dProtection are tested and proven in several industrial and power engineering environments, for example robotics and wind power control.
The relay protection system consists of two computers with associated bus components and I/O terminals. The computers has all software on memory cards and lacks almost completely moving parts (e.g. hard drives), with the exception of a CPU fan. The system builds an information network to which groups of I/O terminals are connected. Between the bus components and the computers Ethernet cabling is used and in the information network between the terminal groups plastic fiber cables are used.
The system construction is flexible and scalable and is customized for each station. All components are replaceable with equivalent components without extra configuration. This includes the computers as well, as all the information is saved on memory cards.
The bus components are used to create a redundant information network based on EtherCAT technology, which has real-time performance and high reliability. Data can be sent two different ways and is protected by an error detection and error handling protocol. The topology of the information network can be customized based on the station.
A terminal group consists of I/O terminals. The I/O terminals are available as input and output terminals and in different versions depending on signal level and signal type. The terminal composition is customized based in the need of protection functionality, incident recording and monitoring of general signals, like alarm signals from other units.
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