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Stadtwerke Langen is a communal supplier for electricity and natural gas.
Take-over of the new ProWin® control system at the end of 2003. |
Following requirements of Stadtwerke were realized:
- Redundant construction of SCADA system to increase availability
- Using standard PC hardware and operating system Windows/NT
- Clear display of electricity and gas facilities on multiple screen systems
- Direct link to existing Geadat U120 remote stations
- Direct link to existing ripple control unit RMR-2
- Event display controlled by system via U120
- Cost optimization for delivery of electricity and natural gas
- Topological colouring of electricity network with short circuit and earth fault indication
- Power flow calculation and up-to-date visualization in network images
- Workstation for training and simulation
- Logging of daily, monthly and annual balance values of gas facilities in Stadtwerke protocol layout
- Archive of measured values and messages, values compressible
- SCADA system is simple to operate, data administration by Stadtwerke personnel
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| Number of process variables |
10.000 |
| Number of images |
40 |
| Number of protocols |
3 |
| Process connection |
Remote connection Modnet 1/F with 5 lines in leased line operation, SEAB 1/N RMR link with ripple control microcomputer RMR 2 |
| Remote station types |
U120, RMR |
| Number of remote stations |
32 |
| SCADA server |
Hot-Standby Twin SCADA server |
| Number of workstations |
2 workstations with 2 screens each, 1 training/simulation workstation |
| Installed software |
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| ProWin® V5 |
SCADA system |
| ProEko-Strom |
Cost optimization Electricity |
| ProEko-Gas |
Cost optimization Natural Gas |
| ProTop |
Topological colouring Short circuit search Earth fault search |
| ProLast |
Power flow calculation |
| ProSim |
Simulation/training |
| Operating system |
Windows 2000 |
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