PV INVERTER PERFORMANCE TESTING

Inverter Efficiency Tester

Measure DC/AC power, solar irradiance and inverter efficiency for PV system commissioning, maintenance and performance evaluation.

Inverter efficiency testers

  • Simultaneous DC & AC Measurement

  • Real-Time Inverter Efficiency

  • Performance Ratio (PR)

  • Long-Term Monitoring

  • Remote Data Communication

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DESIGNED FOR PV INVERTER PERFORMANCE VERIFICATION

Product Overview

The Inverter Efficiency Tester is designed for on-site performance verification of photovoltaic inverters and PV systems. It simultaneously measures DC input, AC output, solar irradiance, module temperature and ambient temperature to evaluate inverter efficiency and Performance Ratio (PR) under real operating conditions.

Ideal for PV system commissioning, preventive maintenance, troubleshooting and long-term performance monitoring, the tester provides real-time measurement data to help identify energy losses and evaluate system performance.

Key Features & Benefits

Simultaneous DC & AC Measurement

Measure inverter DC input and AC output simultaneously for accurate efficiency calculations.

Performance Ratio (PR) Evaluation

Automatically calculate system PR using synchronized environmental measurements.

Real-Time Monitoring

Monitor inverter operating performance continuously during normal system operation.

Long-Term Data Logging

Support continuous monitoring and historical performance analysis.

Remote Network Communication

Remote synchronization and data transfer through Ethernet communication.

Irradiance & Temperature Measurement

Integrated irradiance, module temperature and ambient temperature acquisition.

Fault Diagnosis

Quickly identify inverter abnormalities and PV array performance degradation.

High Accuracy Measurement

Industrial-grade voltage, current and power measurement for reliable field testing.

Measurement Principle

The tester measures DC input power, AC output power, solar irradiance, module temperature and ambient temperature simultaneously. The software automatically calculates inverter efficiency, system Performance Ratio (PR) and overall energy conversion performance for photovoltaic systems.

Inverter Efficiency Tester

Typical Applications

Utility-Scale PV Plants

Commissioning, acceptance testing and routine performance verification.

Commercial & Industrial PV Systems

Evaluate inverter efficiency and detect energy losses during operation.

Preventive Maintenance

Routine inspection and long-term performance monitoring.

Troubleshooting

Rapid fault diagnosis for inverter and PV system performance issues.

Technical Specifications

Parameter
Specification

DC Voltage Range

0–1500 V

AC Voltage Range

0–1000 V

DC Current Range

0.5–150 A

AC Current Range

0.5–1500 A (Clamp)

Power Accuracy

±0.2%

Frequency Range

42.5–69 Hz

PR Calculation

Supported

Irradiance Measurement

Supported

Module Temperature

Supported

Ambient Temperature

Supported

Communication

Ethernet

Data Logging

Supported
SUPPORT & INFORMATION

Inverter Efficiency Tester – FAQ

Find answers about inverter efficiency testing, PR calculation, measurement accuracy, long-term monitoring, and field applications.

Yes. The tester simultaneously measures DC input and AC output power to calculate real-time inverter efficiency during system operation.

Yes. The system combines electrical measurements with irradiance and temperature data to automatically calculate PV system Performance Ratio (PR).

Yes. The tester is designed for on-site measurements under normal operating conditions without interrupting plant operation.

The tester supports solar irradiance, module temperature and ambient temperature measurements for accurate performance evaluation.

An inverter efficiency tester is used to verify inverter performance during PV system commissioning, preventive maintenance and troubleshooting. It helps technicians measure DC input, AC output, solar irradiance and temperature, evaluate inverter efficiency and Performance Ratio (PR), and identify potential energy losses during field operation.

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