People with Passion Best in Class Technology Power System Focus RecordBase Central Station Modem RecordBase Link RecordBase Sub-Station to Corporate LAN Link RecordBase central station software provides automated collection, storage and network access to transient fault and dynamic swing records produced by TESLA recorders. • Automated record transfer from TESLA recorders on a scheduled call-out or by recorder initiation • Unique central cross-triggering of TESLA recorders provide system-wide dynamic swing recordings for stability analysis • Accelerated post-disturbance analysis, NERC-compliant • Supports COMTRADE, PTI and Excel output formats, plus graph export for report generation • Company-wide access to record database on existing Windows® computers through the corporate LAN The RecordBase central station features: • Integrated record database with search, sort and filter functions by date/time, IED, fault class data, swing class data and record sets • Graphical, interactive record display with timebase, phasor, harmonics and symmetrical component analysis tools • Record summaries with classification, priority assignment, event lists and shared analysis comment field • Status reporting and self-monitoring • Runs on a standard PC platform (Windows® 2000/XP), supports TCP/IP protocol RecordBase manages system wide dynamic swing recording RecordBase accepts a dynamic swing recording trigger from a TESLA recorder (A) and issues time synchronized cross triggering commands to other TESLA recorders (B–E). RecordBase ensures a system wide synchronized snapshot of the grid’s response to a dynamic disturbance using TESLA recorder’s 20 minute record buffer and IRIGB time synchronization features. A TESLA TESLA ERL PHASE

RecordBase Central Station Network access to records from any desktop RecordBase maintains a central database of fault and dynamic swing records, providing company-wide access to data though the LAN. From any Windows desktop, search the database, display and sort a record list and view record summaries. The display integrates tools to generate reports, launch the interactive record analysisgraphics and export record data. Automatic Record Collection RecordBase automatically retrieves records via LAN or modem and adds them to its database. Configure record retrieval to occur on a polled schedule...