Edge solutions
Hardware that
future-proofs the grid
- One stop hardware and software solution
- Simple, live installation transformer monitors
- Simple, real time grid visualisation and alerts, tailored to individual network management needs
- Real time power quality data and fault detection
- Actual data at the transformer asset and feeder level
- Live, day ahead and long term customer capacity utilisation forecasting based on transformer and feeder level data
Hardware solution 01
Transformer Monitoring
The low voltage monitoring range is a compact distribution monitoring product for grid intelligence and transformer asset management. It is an intelligent, software-driven technology that provides monitoring of a wide range of power quality metrics, power quality alarms and transformer management capabilities, all guaranteed for 15 years of asset life.
Key features of the range
Install live, with zero distruption to connected customer supply. IPC supported installation.
Flexible Rogowski coils fit around conductors, suitable for all variation in transformer configurations.
Inline fuses maximise saftety, reliability and infield servicing.
Easy fit IP67 rated connectors support 1,2,3 phase installation variations.
External omni-directional high gain antenna with auto ranging to maximise reliable connectivity.
Remote Firmware Upload to add upgrade Custom Options and modify Alarm Limits. Data Communication module – 4G / 4G Cat M1 / LoRaWAN
Encryption AES 256 over private APN with quick install Utility Grade Rogowski Current Transformers
REST API, MQTT, DNP3, LV analytics, Live Grid state mapping of LV network
Electrical specifications
Available configurations
- 1 phase, 2 wire configurations
- 2 phase, 3 wire configurations
- 3 phase, 4 wire configurations
Electrical frequency
50/60 Hz
Rated voltage
- 100 - 300 VAC line - neutral
- 173 - 520 VAC 4-wire/3 phase network line (line - line)
Current full scale range
- 2000 Amps RMS with auto-range function
- 4000 Amps RMS with auto-range function
- 8000 Amps RMS with auto-range function
Lightning strike
Power line surge protected to 10KV per IEC61000-4-5
Voltage accuracy
± 0.5%
Power & Energy Accuracy
± 1% + 0.1% of current full scale (2kA, 4kA, 8kA variants)
Power Factor Accuracy
± 1 degree
Power Quality Measurements
Voltage, current, power, energy, vTHD, ITHD, individual harmonies up to 21st order
Reporting Interval
1min transmit time, 4GB memory allocated for 1 min data logging
Temperature Measurement Accuracy
± 1 degree
‘Last Gap’ Hold-up Time
30 seconds
Alarms and event logging
Power Quality Alert
Power outage, power restore Current imbalance, maximum iHTD, reverse current flow, low power factor Voltage imbalance, maximum vTHD, over-voltage, under-voltage, voltage swell, voltage sag, voltage flicker Over-frequency, under-frequency
Transformer Asset Management
Overload (power), peak demand alert, over-current, fault current reading, no current reading No voltage reading In development - transformer overheating temperature alert (hotspot & top-oil), transformer overheating temperature limit (hotspot & top-oil), end-of-life warning Device tampering, communication alarm, watchdog alarm
Measured Parameters
V, I, PF, kW, kVA, kVAr, Energy, vTHD, iTHD, V/I harmonics (up to 21st), T unit internal, T transformer top oil (in development), T transformer hotspot (in development)
Connectivity
Communication Options
Cellular communications with embedded 3G / 4G / CAT-M1 modem, private APN with AES128 & SHA256 encryption IPSec tunnel
Communications Architecture
Periodic reporting to a central IoT cloud server On demand reporting to a SCADA system
IoT Communications
Push notifications on alerts CoAP with DTLS security
SCADA Communications
DNP3 with TLS security
Systems Logs
Fully configurable measurement interval, 4GB memory allocated to data logging
Edge Zero offers a safe and efficient way to enable a smarter energy grid, allowing energy networks to coordinate and track new technologies.
Hardware solution 02
LV Line Monitoring
The Edge Line Monitor is a compact distribution monitoring device for grid intelligence along the line. It is an intelligent, software-driven technology that provides monitoring of a wide range of power quality metrics, power quality alarms and monitoring capabilities.
Key features of the range
Easy to install, robust, reliable.
Live installation, avoid network outages and customer disruption.
Live and Market aligned data steams.
Power Quality data streams and network performance alerts.
Last gasp self powering technology to transmit network outages in real time.
Electrical specifications
Available configurations
- 1 phase, 2 wire configurations
- 3 phase, 4 wire configurations
Electrical frequency
50/60 Hz
Rated voltage
- 100 - 300 VAC line - neutral
- 173 - 504 VAC 4-Wire/3 phase network (line - line)
Current full scale range
2000 Amps RMS
Lightning strike
Power line surge protected to 10KV per IEC61000-4-5
Voltage accuracy
± 1%
Power & Energy Accuracy
± 3% + 0.5% of current full scale
Power Factor Accuracy
± 1 degree
Power Quality Measurements
Voltage, current, power, energy, vTHD, iTHD, individual harmonics
Reporting Interval
1min transmit time
Alarms and event logging
Grid Power Quality Alert
Power outage, power restore upon re-initialization Current imbalance, maximum iHTD, reverse current flow, low power factor Voltage imbalance, maximum vTHD, over-voltage, under-voltage, voltage swell, voltage sag, voltage flicker Over-frequency, under-frequency
Transformer Asset Management
Overload (power), peak demand alert, over-current, fault current reading, no current reading No voltage reading
Measured Parameters
V, I, PF, kW, kVA, kVAr, energy, vTHD, iTHD, up to 21st harmonics
Connectivity
Communication Options
Cellular communications with embedded 4G modem, private APN with AES256 encryption IPSec tunnel
Communications Architecture
Periodic reporting to a central IoT cloud server Push notifications on alerts
IoT Communications
CoAP with DTLS security
Mechanical and environmental
Dimensions
L160 x W80 x H90 mm
Weight
4.0 kg
Power Supply Button
Phase 1 power supply button to initialize the unit
Operating Temperature and Humidity
-10℃ to 50℃, 0-95% RH non-condensing
Storage Temperature
-30℃ to 80℃
Operating Altitude
2000m
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