| 1 | PV grid-connected inverter | 1 | Contact current | Methods of measurement of touch current and protective conductor current GB/T 12113-2003 Figure 4 |
| Technical specification of PV grid-connected inverter NB/T 32004-2018 11.2.2.3 |
| 2 | Impact tolerance voltage | High-voltage test techniques for low-voltage equipment Part 1: Definitions,test and procedure requirements GB/T 17627.1-1998 6.1~6.2 |
| Technical specification of PV grid-connected inverter NB/T 32004-2018 11.2.2.4.2 |
| 3 | Power frequency tolerance voltage | Technical specification of PV grid-connected inverter NB/T 32004-2018 11.2.2.4.3 |
| 4 | Clearance and creepage distance | Insulation coordination for equipment within low-voltage systems - Part 1: Principles requirements and tests GB/T 16935.1-2008 6.2 |
| Technical specification of PV grid-connected inverter NB/T 32004-2018 11.2.2.4.6 |
| 5 | Partial discharge | Insulation coordination for equipment within low-voltage systems - Part 1: Principles requirements and tests GB/T 16935.1-2008 appendix C |
| Technical specification of PV grid-connected inverter NB/T 32004-2018 11.2.2.4.7 |
| 6 | Glow wire | Fire hazard testing for electric and electronic products—Part 11:Glowing/hot-wire based test methods—Glow-wire flammability test method for end-products(GWEPT) GB/T 5169.11-2017 |
| Technical specification of PV grid-connected inverter NB/T 32004-2018 11.2.4.1 |
| 7 | square array insulation impedance | Technical specification of PV grid-connected inverter NB/T 32004-2018 11.2.6 |
| 8 | residual current in square matrix | Technical specification of PV grid-connected inverter NB/T 32004-2018 11.2.7 |
| 9 | Automatic switch machine | Technical specification of PV grid-connected inverter NB/T 32004-2018 11.3.1 |
| 10 | Maximum conversion efficiency | Technical specification of PV grid-connected inverter NB/T 32004-2018 11.4.3.1 |
| 11 | MPPT efficiency | Technical specification of PV grid-connected inverter NB/T 32004-2018 11.4.3.2 |
| 12 | Inversion efficiency | Technical specification of PV grid-connected inverter NB/T 32004-2018 11.4.3.3 |
| 13 | Weighted total efficiency | Technical specification of PV grid-connected inverter NB/T 32004-2018 11.4.3.4 |
| 14 | Harmonic and waveform distortion | Technical specification of PV grid-connected inverter NB/T 32004-2018 11.4.4.1.1 |
| 15 | Power factor | Technical specification of PV grid-connected inverter NB/T 32004-2018 11.4.4.1.2 |