Overview
Shahig Smart Navigator 2.0 is an overhead-line short-circuit indicator designed to reduce outage times through intelligent fault detection and network condition monitoring.
Key Features
- Intelligent overcurrent-based fault detection with adaptable parameters
- Overhead line monitoring data for network condition evaluation
- Energy harvesting power supply from overhead line current (operation from low load current)
- Remote maintenance: configuration and software updates from the control room
- Installation on live conductors using a hot stick (from the ground)
Applications
- Overhead MV distribution networks
- Fault location and service restoration programs
- Utilities aiming to reduce SAIDI/SAIFI through faster fault sectioning
Technical Data
- Short-circuit trip current: max. 1,200 A
- Reset: manual (magnet), automatic time reset (4 h), current restoration (>3 A), voltage restoration (≥5 kV)
- Current measurement accuracy: ±2 A (0–10 A), 3% (10–600 A)
- Power supply: energy harvesting (line current)
- Max permissible voltage: ≤69 kV (L–L)
- Withstand current: 25 kA / 3 s; 40 kA / 1 s (configuration dependent)
- Communication: DNP3, HTTP/HTTPs/FTP; cellular 2G/4G; TLS
- Cable diameter: up to 33 mm
- Housing: UV resistant polycarbonate, IP68
- Temperature range: −40 to +85 °C
Integrated Components
- Overhead line indicator unit with integrated sensing and LED indication
- Clamping mechanism for conductor mounting
- Remote communication interface (WAN) for control room integration
Compliance & Standards
IP68 enclosure; communication/security settings per utility requirements (TLS). Utility approval and radio parameters are project/country dependent.
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