Entec - Model DTC-Vario - Digital Control System
The digital control system DTC-Vario is the most recent development of entec for controlling, supervision, protection, data acquisition and visualisation of small hydro power stations. Based on a hardware from SAIA, entec developed the appropriate software. Entec’s long term experience in the field of small hydro power stations is reflected by versatile possibilities of this controller.
Visualisation and Remote Control
The modularized software allows simple parametrisation of the application. The software remains standard leading to a maximum of security and compatibility.
The DTC-Vario is a full system integration by centralizing control, protection and metering in one device. Less components results in increased availability at low costs.
Controller Functions
- Centralized, fully automatic process control (Start, Run and Stop mode of small hydropower stations)
- Multiple turbine management, depending on consumption and waterlevel
- Fully automatic restart after harmless errors like water shortage or mains power failure
- Monitoring of speed, frequency, power, water level. voltage, reactive power, cos phi, etc. (over 40 redundant security functions)
- 4 alarm classes
- 3 independent algorithms for stop, fast stop and emergency shutdown
- Island operation, grid connected operation as well as resynchronisation between grid and local island-grid
- Operation with synchronous or asynchronous generators
- 2 governors per turbine/ oil-hydraulically or electrically driven
- Water level control, frequency control, power control with or without interval operation mode
- Local operation by panel or by PC
- Remote operation possible by PC and modem or fieldbus connection
- Detailed data acquisition of production data and alarm history
- SMS alarms and status
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