Travelling Wave Recorder – SIPROTEC 7SE20
Travelling Wave Recorder – SIPROTEC 7SE20
Monitors your transmission and distribution lines
Basis of the travelling waves
Abrupt changes in the electrical parameters of the primary system, such as lightning strikes, short circuits, arc flashes or switching operations, cause traveling waves. From the source, traveling waves spread along lines at nearly the speed of light. Travelling waves can be measured in currents and voltages (e.g., via the normal protection transformers). The position of the fault can be determined very precisely via a highly accurate time-measurement of the travelling wave.
Applications
Where can you use the SIPROTEC 7SE20 Traveling Wave Recorder?
- Overhead lines for high- and extra high-voltage
- HVDC transmission lines
- High-voltage lines in grounded and isolated systems
- Sea cables
Benefits
Benefit from fault location with the SIPROTEC 7SE20 Traveling Wave Recorder
- with a highly accurate and reliable fault location system
- by monitoring long cable runs, even in difficult-to-access areas
- by saving time when locating faults, regardless of the cable length
- with simple device installation
- without entering cable parameters, only the cable length needs to be specified