Intelligent disconnector IDD
Technical specifications
| PARAMETER | VALUE |
| Rated voltage (U) | 10 kV |
| Maximum operating voltage (U) | 12 kV |
| Rated current (I) | 400 A/630 A |
| Rated short-term sustained current (thermal resistance) (I tr.) | 10 kA when the action time for the main knives is within 3 sec. |
| The highest peak of the rated short-term current (electrodynamic resistance) (I ed.) | 25 kA |
| Integration with SCADA systems | Connection to SCADA system via the IEC-104 protocol |
| Remote communication | GSM/GPRS modem |
| Remote control (for field config) | Bluetooth BLE (2,4 GHz) |
| Temperature range | Operating from – 40°C to +60°C |
The intelligent disconnector IDD by Atriy provides a modern approach to managing overhead power lines by remotely segmenting faulty sections. Designed for high-voltage applications, it is essential for improving grid stability, safety, and service continuity.
Comprehensive Fault Management
The intelligent disconnector IDD is a versatile solution, capable of detecting both stable and unstable faults, including phase-to-ground faults. Its intelligent control system ensures accurate identification and immediate response, significantly reducing downtime and service interruptions. Atriy's unique Lodestar technology is integrated into the intelligent disconnector IDD for enhanced precision and reliability in fault detection and effective operational control.
Key Benefits:
- Remote control and rapid automated switching the line, eliminating manual intervention
- Efficient handling of both stable and unstable fault conditions
- Immediate isolation of faults to enhance safety and grid stability
- Real-time feedback and SCADA integration
- Robust design suitable for challenging environment
Detailed Technical Advantages and Specifications
The IDD's high voltage three-phase disconnector ensures effective management of overhead line faults by precisely isolating problematic segments and maintaining uninterrupted power flow. Key technical specifications include:
- Rated voltage: 10 kV
- Maximum operating voltage: 12 kV
- Rated current: 400 A/630 A
- Short-term sustained current: 10 kA (within 3 seconds)
- Electrodynamic resistance: 25 kA peak
- SCADA Integration via IEC-104 protocol
- GSM/GPRS modem for remote communication
- Bluetooth BLE for remote configuration
- Operating temperature range: –40°C to +60°C
Operational switching is carried out via the automated drive located in the disconnector’s control cabinet, with the status clearly visible both remotely on the dispatcher’s control panel and locally at the device.
Lodestar IDD Functional Features:
- Directional determination of fault (with Lodestar CL0.5 model)
- Safety interlocks preventing switching under load
- Remote grid section management
- SCADA system compatibility
- Extended battery life ensuring at least 50 cycles within 24 hours
- Safety features such as switch lock when earthing switch is active
Integrating Atriy’s intelligent disconnector IDD ensures robust, secure and highly reliable electrical networks, capable of swiftly responding to faults and maintaining uninterrupted service.
