IDD (Intellig. Diagn. Device) Applications » Monitoring of suspect bushings and/or CTs » Monitoring of critical transformers Benefits » Continuous, cost-effective, assessment » Eliminates forced outages by diagnosing the severity of the problem using expert system software » Eliminates false alarms by advanced signal processing and field-proven algorithms » Large amounts of data are processed by the IDD and the user only notified when necessary via detailed Alert messages Specifications » Inputs: » Up to 12 bushings (4 sets of 3) » Up to 3 Moisture-in-Oil sensors » Up to 3 Dissolved gas sensor » 2 via SCADA - Acknowledge and Reset Alerts » Outputs: 4 via SCADA - Action Alert, Warning Alert, Information Alert and Self Monitoring » Communications: Ethernet TCP/IP, RS485 (DNP3 and ASCII), Modem, RS232 (DNP3 and ASCII), Supervisory I/O » Operating Environment: -40° to +65°C, 5 to 95% RH » Power Supply: 100 to 280 VDC, 90 to 264 VAC » Could combined with other transformer monitoring systems (e.g. Partial Discharge Monitoring) Accessories » Large range of bushing tap adapters » Enclosure » Shorting Blocks » Fibre-optic communications Doble Lemke GmbH Zschoner Ring 9, 01723 Kesselsdorf / Dresden Germany www.doble-lemke.eu Doble Lemke AG Kaiserstrasse 9, 4310 Rheinfelden Switzerland www.doble-lemke.eu