Testing equipment: HT INSTRUMENTS and HIOKI IR4053
- Open circuit voltage of string;
- Short-circuit current of string;
- Voltage at time of maximum power (Vmp) of string;
- Measures IV curve to assess anomalies on string;
- Measures the insulation of string.
2. ELECTRICITY CABINET SYSTEM INSPECTION (AC SYSTEM)
Testing equipment: Fluke 435ii
- True Rms operating voltage;
- True Rms operating current;
- Power factor (Φ cos);
- THD voltage harmonies;
- TDD current harmonies;
- Inverse order component of phase voltage;
- Intrusion of one-way current;
- Operating frequency;
- Pst, Plt voltage flashing.
3. CHECK EARTHING SYSTEM
Equipment: Kyoritsu Kew 4105A
4. CHECK PHYSICS OF SYSTEM
4.1 Checking way: by visually, try 5% tightening force
4.2 Test and analyze whole system by thermal drone
Drone DJI Matrice 210
Visual Camera DJI Zenmuse XT2
Thermal Camera DJI Zenmuse XT2 640R
5. CLEAN PV PANEL SYSTEM
Checking equipment: Dedicated cleaning machine, Robot…suitable with each system.
During of cleaning process, combine with checking PV panel surface and connection by visually.