Inverters are key equipment in photovoltaic power plants that connect the DC and AC sides, and their operating status directly affects power generation efficiency, power quality, and system safety. As the scale of power plants expands and the number of inverters increases, it is often difficult to accurately determine whether a single device has efficiency degradation, power deviation, grid connection abnormalities, or MPPT mismatch issues based solely on monitoring platform data. On site comprehensive testing capability is becoming an important supplement to power station operation and performance evaluation. Inverter comprehensive analyzer

At present, inverter testing equipment can be divided into laboratory comprehensive testing platforms, portable efficiency testers, and power quality analyzers. The more popular brands in the market include Shanghai LAILX, Chroma, HIOKI, Fluke, etc. Among them, LAILX LX-PE93 is designed for on-site application in photovoltaic power plants, integrating power quality, efficiency testing, PR value calculation, and environmental data collection, making it more suitable for power plant inspection, fault diagnosis, and performance verification.

LAILX LX-PE93 adopts current clamp for current sampling, which can collect data from DC input and AC output terminals under normal operation of the power station. It supports real-time voltage, real-time current, power monitoring, power generation recording, AC/DC testing, inverter conversion efficiency calculation, irradiance monitoring, temperature monitoring, environmental acquisition and recording, and PR value calculation functions. The DC voltage measurement range of the equipment can reach 0-1500V, the AC phase voltage measurement range can reach 0-600V, and the line voltage measurement range can reach 0-1000V, which can cover on-site testing needs such as string inverters, centralized inverters, and combiner boxes.

Its on-site advantage lies in "being able to measure everything, take it away, and use it". The whole machine is equipped with an irradiation system and temperature sensors, which can synchronously collect environmental data, making the PR value calculation more closely related to actual working conditions. The device supports network communication, enables remote synchronous testing and control, and can also be fixed on-site for long-term monitoring. The supporting APP supports automatic generation and localization of detection data reports, facilitating project management and fault tracing.

Compared to brands such as Chroma, HIOKI, and Fluke, LX-PE93 emphasizes more on on-site PR value calculation and closed-loop operation and maintenance data for photovoltaic power plants. The laboratory platform is suitable for research and development verification and type testing, but in mountainous power stations, rooftop power stations, and distributed projects, operation and maintenance personnel need a portable device that can be quickly deployed, support on-site comparison, and generate traceable reports.

For power stations that hope to improve the precision of inverter management, the value of LAILX LX-PE93 goes beyond "efficiency measurement". It helps the operation and maintenance team shift from "whether the equipment is running" to "whether the equipment is running efficiently", making inverter performance evaluation move from empirical judgment to data-driven.

Inverter comprehensive analyzer, inverter tester, inverter performance testing