Product Short Description
Technical Specifications
- Measurement Parameters:
- Voltage: Supports three-phase four-wire/three-phase three-wire systems, with a range of 100 V to 690 V AC (configurable via PT ratio expansion).
- Current: External CT input, standard ratings of 1 A or 5 A.
- Frequency Range: 45 Hz to 65 Hz.
Description
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- Power Parameters: Active power (kW), reactive power (kvar), apparent power (kVA), power factor (PF), and phase angle.
- Energy Metering: Forward/reverse active energy (kWh) and reactive energy (kvarh).
- Power Quality Analysis:
- Harmonic Analysis: Supports up to 50 harmonics (higher with specific firmware), compliant with IEC 61000-4-7.
- Total Harmonic Distortion (THD): Real-time calculation of voltage and current THD.
- Voltage Sags/Swells: Records event timing, duration, and magnitude.
- Flicker: Measures short-term (Pst) and long-term (Plt) flicker per IEC 61000-4-15.
- Three-Phase Imbalance: Calculates voltage and current imbalance.
- Event Recording and Alarms:
- Built-in event triggering mechanism records voltage interruptions, transients, and harmonic exceedances.
- Supports user-defined alarm thresholds (e.g., voltage deviation, harmonic over-limit).
- Communication Interfaces:
- Standard: RS-485 (Modbus RTU protocol).
- Optional: Ethernet (Modbus TCP), Profibus, BACnet (configuration-dependent).
- Display and Installation:
- No local display; data viewed via software or upper computer.
- Installation: DIN rail mounting (35 mm standard rail).
- Protection Rating: IP20 (indoor use only).
- Power Supply:
- Universal AC/DC 85–265 V (wide voltage range).
- Standards Compliance:
- IEC 61000-4-30 Class S (power quality measurement accuracy).
- IEC 62053-22 (energy metering accuracy).
- EN 50160 (supply voltage characteristics).
Functional Features
- Real-Time Monitoring: Continuously tracks key electrical parameters to detect anomalies.
- Programmable Alarms: User-defined thresholds trigger alerts for over/under voltage/current, imbalance, and other issues.
- Event and Data Logging: Records up to 150 events and 98,000 data points for trend analysis and troubleshooting.
- Control Integration: Four programmable output relays enable load shedding, power factor correction, and other control actions.
- Remote Access: Supports remote data retrieval and parameter configuration via communication interfaces.
- Software Compatibility: Works with GE’s EnerVista software for data visualization, reporting, and firmware updates.
Application Scenarios
- Industrial Facilities: Monitors power quality in factories, manufacturing plants, and process industries to prevent equipment damage and downtime.
- Data Centers: Ensures stable power supply for critical IT infrastructure, reducing the risk of data loss or service interruptions.
- Renewable Energy: Evaluates power quality in wind/solar farms and grid-tied systems, ensuring compliance with standards.
- Utility Networks: Assists power companies in monitoring distribution feeders, transformers, and generators for grid stability.
- Commercial Buildings: Optimizes energy use in offices, hospitals, and shopping centers by identifying inefficiencies and power quality issues.
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