GE PQMII-T20-C-A Power quality monitor

GE PQMII-T20-C-A Overview

The GE PQMII-T20-C-A is an advanced Power Quality Meter from the Power Quality Meter II (PQMII) series. It is designed for precise measurement, analysis, and recording of various parameters in electrical power systems, helping users identify, diagnose, and resolve power quality issues, thereby improving the reliability and efficiency of the power system.

Product Detailed Description

• Function:

• Accurately measures voltage, current, frequency, power (active, reactive, apparent), power factor, and energy (active, reactive).

• Monitors and records power quality events such as voltage sags, swells, interruptions, harmonics, flicker, and unbalance.

• Provides real-time data and trend analysis to help users understand the operating status of the power system.

• Features event capture and waveform recording for detailed analysis of power quality problems.

• Supports multiple communication protocols for easy data acquisition and integration into monitoring systems.

• Configurable alarm functions to alert when power quality parameters exceed set thresholds.

• Features:

• Robust industrial-grade design suitable for various environments.

• Large color touchscreen for intuitive display of measurement data and analysis results.

• Easy to install and use.

• Configurable and data analyzable via software.

• Supports multiple languages.

• Scalability for expanded functionality through additional modules.

Product Parameters

As the model number is very specific, the following are some typical parameters for the PQMII series power quality meters. Always refer to the official datasheet for the specific PQMII-T20-C-A model:

• Voltage Measurement Range:

• E.g., 50 V L-N to 690 V L-L (AC).

• Current Measurement Range:

• Dependent on the connected current transformers (CTs).

• Frequency Range:

• E.g., 45 Hz to 65 Hz.

• Accuracy:

• Voltage and Current: ±0.2% of reading.

• Power and Energy: ±0.5% of reading.

• Harmonics: Complies with IEC 61000-4-30 Class A.

• Sampling Rate:

• High sampling rate to ensure accurate capture of fast transient events.

• Storage Capacity:

• Large memory capacity for storing historical data, events, and waveforms.

• Communication Interfaces:

• Ethernet.

• RS-485 (Modbus RTU/TCP).

• USB (for local configuration and data download).

• Power Supply:

• E.g., 85 V AC to 264 V AC or 100 V DC to 300 V DC.

• Degree of Protection:

• E.g., IP54 (front).

• Operating Temperature:

• E.g., -20 °C to +60 °C.

• Display:

• Large color touchscreen.

Product Advantages

• High-Accuracy Measurement:

• Provides precise measurement and analysis of power quality parameters.

• Comprehensive Power Quality Monitoring:

• Capable of monitoring and recording various power quality issues.

• Real-Time Data and Trend Analysis:

• Helps users quickly understand the operating status of the power system.

• Powerful Event Capture and Waveform Recording:

• For in-depth analysis of the causes of power quality problems.

• Easy to Use and Configure:

• Intuitive touchscreen interface and user-friendly software.

• Extensive Communication Capabilities:

• Facilitates integration into existing monitoring and automation systems.

• Improved Power System Reliability and Efficiency:

• Reduces equipment failures and energy waste by identifying and resolving power quality issues.

Precautions

• Correct Installation:

• Follow GE's installation guidelines, ensuring proper wiring and grounding of the meter.

• Selection of Appropriate Current Transformers (CTs):

• Choose the correct CTs based on the current range of the circuit being measured to ensure accuracy.

• Parameter Configuration:

• Configure the meter's measurement parameters, alarm thresholds, and communication settings according to specific application requirements.

• Software Usage:

• Familiarize yourself with the analysis software provided by GE for data download, analysis, and report generation.

• Regular Maintenance:

• Periodically inspect the meter's connections and operating status to ensure proper functioning.

• Safe Operation:

• Always adhere to electrical safety regulations during installation and maintenance.

Product Applications

The GE PQMII-T20-C-A power quality meter is widely used in various applications requiring power quality monitoring and analysis, including but not limited to:

• Industrial Facilities:

• Monitoring power quality for production equipment, motor drives, welding equipment, etc., to improve production efficiency and equipment reliability.

• Commercial Buildings:

• Monitoring power quality for HVAC systems, lighting systems, IT equipment, etc., to reduce energy costs and equipment failure rates.

• Utilities:

• Monitoring the power quality of the grid, diagnosing and resolving power quality issues, and improving power supply reliability.

• Renewable Energy:

• Monitoring the power quality of photovoltaic systems, wind power systems, etc., to ensure grid connection quality.

• Data Centers:

• Monitoring the power quality of critical equipment to ensure stable data center operation.

• Hospitals:

• Monitoring the power quality of medical equipment to ensure normal operation and patient safety.

Payment: Bank of Chicago, Bank of Singapore

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