Our automated system solution operates in the medium voltage network between 10 kV and 24 kV for the feeder lines. It serves for
- System control
- Data acquisition
- Fault identification
- Fault location finding
- Restore of power for the non-fault areas
Required hardware components:
Distribution Terminal Unit DTU
Tasks:
- Transmit data wireless
- Real-time data acquisition
- Multi-line data acquisition
- Monitor management
- Recognize, locate and isolate the feeder line fault
Feeder Terminal Unit (FTU)
Tasks:
- Measure feeder phases parameters
- Communicate wireless with the master station
- Control of the feeder
- Execute the order from the master station
Transformer Terminal Unit (TTU)
Tasks
- Real time operating monitoring
- Adjusts the reactive power compensation
- Protect the transformer
- Transmit the information to the main station
Fault Current Indicator (FCI)
Tasks
- Locate earthing or short-circuit faults
- Fast troubleshooting
- Repair and restoration of feeder lines
- Monitor and transmit real-time running information
- Remotely fault Location, isolation and restoration.
Ring Main Unit (RMU)
Tasks
- Flexible rerouting of power flow
- Flexible breaker control
- Improvement of the power supply performance
These components can either be CLOU products or from 3rd party. We support this communication protocols:
- Energy management system application program interface EMS-API IEC 61970
- Application integration at electric utilities
System interfaces for distribution management IEC 61968 - SCADA Supervisory Control And Data Acquisition IEC 60870
Distribution Management Software DMS
The CLOU DMS software has a modular concept. The main elements are:
- Network Topology
- Short Circuit Analysis
- Voltage and Reactive Power Control
- Fault location, Isolation and Restoration
- Load Shedding
- Network Reconfiguration
Features Screenshots
Grid Drawing Editor
Used to customize the grid plans
Network Topology
Visualization of faults and possible problems
Load Control
- Manual Load Shedding and Restoration
- Frequency Based Auto Load Shedding and Restoration
- Time of Day Based Auto Load Shedding and Restoration
Alarm Monitoring
Overview of alarm indications based on priority
What are the main benefits of a Distribution Management System?
- Real-time Monitoring and Control for Distribution
- Fault Diagnosis, Fault Location, Fault Restoration
- Outage Management & More Efficient Decision Support
- Closed loop control for load forecast
- Self-healing and strong grid construction
- Asset management
- Losses analysis
- Improvement of service
- Power quality optimization
Automated systems like this, or our AMI system for meter data acquisition, always need individual consultancy and support. Click on the button for more info.
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Editor's note: This article was originally published in June 2022 and has been updated for comprehensiveness.
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