Lodestar CL4B
Description
Technical specifications
| PARAMETER | VALUE |
| Operating parameters | |
| Operating voltage | 6-35 kV 36-70 kV (option with Faraday cage) |
| Operating current | 0-1000 A |
| Operating frequency | 50/60 Hz |
| Conductor size | 5-40 mm / 19,6-1256 mm² |
| Fault sensing | |
| Type of faults | PtP faults PtG faults Transient faults |
| Detection of earth fault direction | Forward & Backward (Lodestar CL0.5B)* |
| Absolute threshold | 20 A ... 1000 A |
| Differential thresholds | 20 ? … 500 A / 50 % ... 500 % |
| Minimum fault sensing (PtG) Zero sequence thresholds/3I0 |
0.5 – 100 A (Lodestar CL0.5B) 2 – 100 A (Lodestar CL2B) 4 – 100 A (Lodestar CL4B) |
| Response time | 20 ms |
| Fault notification | |
| Visual | Ultra bright LED (white) > 100 m – day time @sunny weather > 500 m – night time |
| Resistance | |
| Current withstand | 25 kA /500 ms |
| In-rush resistance | 0-200 ms /step 20 ms |
| Communication | |
| Short-range communication technology | Built-in BLE module, 50 m |
| On-site configuration and control | Mobile App Lodestar (Android, iOS) |
| Long-distance communication | Pole-mounted communication box (GSM) |
| Fault management software | KOMORSAN |
| Reset | |
| By timer | 1 hour ... 8 days (configurable) |
| Remote | Lodestar App, KOMORSAN |
| Reenergized line | By voltage |
| Manual | Magnet |
| Physical characteristics | |
| Dimensions | 140 x 114 x 158 mm |
| Weight | 0.55 kg |
| Housing | UV resistant polycarbonate |
| Ambient conditions | |
| Temperature range | -40 ... +75 °C |
| IP protection | IP68 |
| Salty fog | Resistant (IEC 60068-2-11) |
| Installation | |
| Installation tools | Dielectric rod Lodestar hotstick tool adaptor |
| Installation method | Live line |
| Battery | |
| Battery type and capacity | Lithium, 19 Ah, 3.6 V |
| Battery life time | >1000 h, >7 years |
| Low battery alarm | At 20 % of remaining battery load - visual by LED blinking (yellow color) - KOMORSAN notification |
| Other | |
| Applicable standards | ANSI / IEEE 495 |
| Internal memory | 20 000 events |
| Measured telemetry parameters | Currents (10-15% accuracy) Voltage absence/presence |
*Only for isolated neutral grounding. Min 5 km behind FPIs is required.
Lodestar CL4B was designed for fault detection with minimum load current 4A. This is a cost-effective and reliable solution for fixing an emergency process. Lodestar CL4B supports a range of communication options, including 3G or 4G LTE communications for a high speed data transfer. Lodestar CL4B devices operate independently of each other, transmitting information about the processes in each phase.
Lodestar CL4B benefits:
• Minimum fault sensing 4A;
• Identifies temporary and permanent faults;
• Registering and storing fault information such as timestamp, event type and measured values;
• Battery status control and indication.
