GE PQMII-T20

Technical Specifications:

  • Measurement Standards: IEC 61000-4-30 Class A compliant for power quality monitoring
  • Voltage Inputs: 3-phase or single-phase configurations, typical ranges up to 690 V AC
  • Current Inputs: Compatible with Rogowski coils, CTs (current transformers), or clamp sensors
  • Sampling Rate: High-speed sampling for transient and waveform capture
  • Frequency Range: 45 Hz to 65 Hz (extendable for special applications)
  • Voltage Accuracy: ±0.1% of reading
  • Current Accuracy: ±0.5% of reading
  • Harmonic Analysis: Up to 63rd harmonic for voltage and current
Category:
Description
  • Data Storage: Internal memory for long-term data logging; supports removable SD cards
  • Communication Interfaces: Ethernet, RS-485, USB, and optional wireless connectivity
  • Protocols Supported: IEC 61850, Modbus TCP/RTU, DNP3, IEC 60870-5-104
  • Display: Integrated color LCD screen for local monitoring and setup
  • Operating Temperature: -20°C to +60°C
  • Storage Temperature: -30°C to +70°C
  • Humidity Range: 5% to 95% relative humidity, non-condensing
  • Power Supply: 100–240 V AC or 24–48 V DC options
  • Mounting: DIN rail or panel mount
  • Enclosure Rating: IP51 (front panel), NEMA 1
  • Certifications: CE, UL, CSA, IEC 61010, IEC 61000-4-30 Class A

Functional Features:

  • Real-Time Power Quality Analysis: Continuous monitoring of voltage sags, swells, interruptions, flicker, unbalance, harmonics, and inrush currents
  • Event Recording: Captures transient events and power disturbances with time-stamped waveforms
  • Trending and Reporting: Built-in tools for generating power quality reports per EN 50160 and IEEE 519 standards
  • Web Interface: Integrated web server for remote access, configuration, and data retrieval
  • Alarm Outputs: Programmable relay outputs for critical event alerts
  • GPS Time Synchronization: Supports IRIG-B or PPS input for precise time stamping across multiple devices
  • Cybersecurity Features: Role-based access control, HTTPS, SNMPv3, and secure firmware updates

Applications:

  • Power Generation and Substations: Monitors grid compliance and power delivery quality at generation sites and transmission substations
  • Industrial Facilities: Identifies power disturbances affecting production equipment, motors, and automation systems
  • Commercial and Data Centers: Ensures stable and clean power supply for sensitive IT infrastructure
  • Renewable Energy Plants: Validates power quality from solar, wind, and energy storage systems before grid connection
  • Rail and Transportation Infrastructure: Used in traction power systems to maintain stable electrical supply
  • Utility Distribution Networks: Supports grid diagnostics, regulatory compliance, and customer power quality investigations
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