Real Time Thermal Rating (RTTR)
Bandweaver’s RTTR is a key component of a utility operator’s intelligent condition monitoring systems. This system helps you to reduce risk, to implement smart maintenance programs and to increase the efficiency of your load management system
Based on the thermal analysis defined by IEC-60287 and IEC-60853 and combined with Distributed Temperature Sensors (DTS) and Distributed Acoustic Sensors (DAS), the Bandweaver RTTR can be used in the following applications
- Subsea power cable
- Cable tunnels & Cable bridges
- Underground Cable and Cable Pipes
- Subsea Umbilical cables and ROV cables
- Power generation, transmission and substations
- Overhead Lines utilizing OPPC
| Alarm Indicators | Fault Monitoring | |
| Maximum Temperature Conductor Surface (MaxTCS) Peak Temperature Conductor Surface (Peak TCS) |
||
| Load Monitoring | ||
| Circuit Load (Amps from current sensor or SCAD feed) Temperature of cable conductor (TCC) |
||
| Emergency Load | Short Term Permissable Load (STPL – Amps) Short Term Permissable Duration (STPD) 30 min, 1 hr, 2hr, 4hr, 8hr |
|
| Medium Term Permissible Duration 8hr – 48hr |
||
| Software Input paremeters | Cable | Environment |
| Cable dimensions Dielectric loss Sheath Loss Nominal rating |
Tunnel/room – convection characteristics Buried – Soil thermal resistance & capacity Buried – multilayer option IEC – T4option Self adpation option |
|
| Sensor Input Parameters | Temperature – Distributed Temperature Sensor (Bandweaveror 3rd party) Current sensor (Bandweaver supplied or 3rd party) Security & Environemnts sensors (Gas, CCTV, PSTN) Vibration & Acoustic (Distributed Acoustic Sensors) |
|
Approvals & Testing
Bandweaver is ISO 9001 certified and undergoes a rigorous continuous improvement program and tests all of its products to leading international standards
- Extensive environmental testing on all products
- Components to telecom standards > 25 years MTBF
- Products are designed for low maintenance and cost of ownership (e.g. fan free design..)
Industry Approvals
Bandweaver tests all of it’s equipment to the highest standards both based on internal specifications and guidelines and also to leading industry 3rd party standards. Bandweaver has extensive internal testing facilities but in addition we also test with internationally leading 3rd party test houses.
Real Time Thermal Rating (RTTR)
Bandweaver’s RTTR is a key component of a utility operator’s intelligent condition monitoring systems. This system helps you to reduce risk, to implement smart, proactive maintenance programs and to increase the efficiency of your load management system
Based on the thermal analysis defined by IEC-60287 and IEC-60853 and combined with Bandweaver’s Distributed Temperature Sensors (DTS) and Distributed Acoustic Sensors (DAS) our RTTR provides the following benefits:
Determine current and future loading and provide emergency rating calculations
Fault Location for the precise localisation of any issues in the circuit
Analyse power cable hot-spots to determine if a circuit requires upgrading or providing required quantitative information for life extension case
Circuit Diagnostics of a variety of circuit parameters including potential partial discharges.
Screenshot of the Interface
Advanced Visualisation and User Friendly Interface
Bandweaver’s RTTR provides a user friendly solution to managing your network. The RTTR software can pull multiple sensors (current sensors, 3rd party DTS, security sensors…) from multiple circuits across a number of sites into one central location for complete control.
The RTTR also has the output to interface with legacy systems and can output in a number of industry standard formats (Modbus, RS485, RS232 …) or can be customised according to customer requests