Feature
- TFT colour display showing vector diagram, bar chart, weekly /monthly energy consumption comparison
- 17 energy parameter measurement support including net and absolute energy parameters
- Energy resolution: 7+3-digit, instantaneous parameters: 4+3-digit, high-resolution page for energy measurement
- Class 0.2S / 0.5S accuracy for energy measurement
- Configurable favourite parameter on the display page
- Time synchronisation options through SNTP
- Power quality features including individual harmonics, THD, sag, swell, voltage unbalance and interruption counter
- Total demand distortion (TDD) factors and waveform quality indices like K factor and crest factor
- Positive, negative and zero sequence components
- Flexible time-of-day tariff, maximum demand / demand support, DST (daylight saving time)
- Supports PIPO / DIDO, alarm and analogue output module
Application
- Energy transfer measurement and reconciliation
- Power plants, feeder monitoring, grid substations, wind turbines, renewables, industrial and commercial premises
- Online monitoring of energy exchange at various interface points
- Automation and system integration
- Process and factory automation
- Retrofit application up to 4000A can be served by using Rogowski coil
- Different field add-on modules supporting different applications like Modbus, BACnet, Profinet, IEC 61850 protocol support, analogue output and control IOs
- Various industries like oil and gas, mining, hospitals, malls, datacentres, etc.
- LV, MV, and HV switchgear
Specification
| Conventional | Rogowski | |
| Electrical | ||
| Connection type | LV 3P4W / HV 3P4W / 1CT 3PT / LV 3CT / HV 3P3W / 3CT 2PT / 2CT 2PT / 1P 2W | |
| Measurement voltage range | 35 V to 500 V (L-L) max, 20 V to 300 V (L-N) max | |
| Measurement current range | 10mA – 6 A (configurable) | 5% Ipr -Ipr (Ipr -1000 A or 4000 A) |
| Starting current range | 1mA | 1 A for 1000 A / 4 A for 4000 A |
| Frequency | 50 / 60 Hz | |
| Burden | Current circuit: < 0.2 VA/phase @ 1A & @ 5A | |
| Voltage circuit: < 0.2 VA/phase | ||
| Sampling rate | 156 samples / cycle / channel | |
| Accuracy | ||
| Active energy | Class 0.2S / class 0.5S | Class 0.5S |
| Reactive energy | Class 0.5S | |
| Voltage, Current, Power | 0.2% for measurement range | |
| Frequency | ±0.05 Hz | |
| Power factor | ±0.005 (0.5 lag to 0.5 lead) | |
| Maximum withstand Voltage | 2 times of nominal voltage value for 1 Sec repeated 10 times at 10 second interval | |
| Maximum withstand current | 1.2 times of Ib continuously | – |
| Short time over current | 20 times Imax for 1 second | – |
| Overload (continuous) | 1.5 times of Ib, Up to 7.5A (only measurement) | – |
| Standards | IEC 62052-11, IEC 62053-22, IEC 62053-24, IEC61557-12, IEC 62053-31,
IEC 60529, IEC 61010-1, IEC 61010-2-030, IEC 61326-1, IS14697, CE, UKCA |
|
| IEC 61850-6, 7-1, 7-2, 7-3, 7-4, 8-1, (as per edition 1 and 2) | ||
| Environmental | ||
| Ingress protection | IP 54 (front fascia); IP20 (at terminals), IP 65 with gasket (Optional) | |
| Insulation | 3.5 kV RMS 50 Hz, 5 seconds | |
| Impulse withstand | 6.4 kV | |
| Operating temperature | -10°C to + 60°C | |
| Storage temperature | -25°C to + 70°C | |
| Temperature coefficient | 0.02% / °C | 0.1% / °C |
| Mechanical dimension (H x W x D) | 96 x 96 x 57.6 mm (± 0.5 mm), 96 x 96 x 111.5 mm (± 0.5 mm) with module | |
| Weight | 365 g | 280 g |
| Software | – Two data loggers (16 MB memory): | |
| Primary data logger | ||
| Logging of up to 20 energy channels values, with integration | ||
| period 5, 15, 30 & 60 minutes | ||
| ~12500 parameter-days capacity at 30-minute interval | ||
| Secondary data logger | ||
| Logging of up to 20 instantaneous values with integration period | ||
| 1, 2, 5, 10, 15 & 30 minutes | ||
| ~40000 parameter-days capacity at 30-minute interval | ||
| – Configurable parameters: | ||
| • 8 time-of-use tariffs (TOU), 8 Seasons, 8 day types, DST dates, 6 billing history | ||
| • Logging daily energy snapshots values up to 90 days | ||
| • Alarms and event logging | ||
| • Up to 31st individual harmonic component measurement | ||
| • Up to 63rd total harmonic distortion (THD) measurement | ||
| • K-factor, Crest Factor, TDD, sequence components | ||
| • Power quality features including voltage sag, swell | ||
