Photovoltaic (PV) Power Station

New‑energy power plants, energy‑storage stations and power grid facilities require reliable field‑grade test instruments for commissioning, routine inspection and fault diagnosis.

UNI‑T provides full‑lifecycle testing solutions covering photovoltaic power stations, energy‑storage stations, transmission lines, substations and distribution networks, supporting insulation test, thermal inspection, power‑quality analysis, grounding measurement and on‑site fault location, ensuring safe and efficient operation of energy infrastructure.

1. PV Power Station Operation & Maintenance Test Solution Carry out PV module performance test, hot‑spot inspection, insulation & continuity check, inverter efficiency and power‑quality measurement for centralized and distributed photovoltaic plants.

   Applicable instruments: PV maximum‑power tester, PV insulation resistance tester, thermal imager, power‑quality analyzer, true‑RMS clamp meter, grounding resistance tester

2.Energy‑Storage Power Station O&M Test Solution Complete battery cabinet health inspection, BESS cabinet temperature screening, insulation test, leakage‑current detection and grid‑tied power‑quality verification for container‑type and industrial‑commercial energy‑storage systems.

Applicable instruments: Battery internal‑resistance tester, insulation resistance tester, thermal imager, power‑quality analyzer, leakage‑current clamp meter, harmonic power clamp meter

3.Transmission Line Operation & Maintenance Test Solution Field testing for overhead transmission towers and lines, including tower grounding resistance, cable insulation, partial‑discharge detection, thermal screening and high‑voltage phase verification.

Applicable instruments: Multi‑function grounding resistance tester, 10kV insulation resistance tester, acoustic imager, thermal imager, wireless high‑voltage current tester

4.Substation Facility Maintenance Test Solution Daily inspection and fault verification for transformers, switchgears, busbars, arresters and DC UPS battery packs; cover core items such as insulation, grounding, core‑grounding current and thermal anomaly diagnosis.

Applicable instruments: Insulation resistance tester, grounding resistance tester, transformer core‑ground current tester, thermal imager, battery internal‑resistance tester, power‑quality analyzer

5.Distribution Network Operation & Maintenance Test Solution Routine field test for distribution cabinets, transformers and low‑voltage feeders; realize insulation check, leakage‑current measurement, harmonic analysis and infrared thermal screening of connection points.

Applicable instruments: Digital multimeter, clamp meter, leakage‑current clamp meter, insulation resistance tester, grounding resistance tester, power‑quality analyzer, thermal imager.

From new‑energy power generation to power transmission and distribution, we provide rugged, field‑proven test instruments suitable for complex outdoor power‑site environments. Our solutions cover the full asset lifecycle from commissioning, routine maintenance to fault troubleshooting, helping energy operators improve inspection efficiency, mitigate safety risks and reduce overall operating costs. Our technical team can also assist with instrument selection, safety‑grade accessories recommendation and customized testing workflows to match your on‑site project requirements.