| 2 | Power converter of electrochemical energy storage system | 24 | Dielectric Strength | Semiconductor converters - General requirements and line commutated Converters - Part 1-1: Specification of basic requirements GB/T 3859.1-2013 7.2.2 |
| General specification for power control system of battery energy storage system NB/T 31016-2011 5.3.2.2 |
| 25 | Clearance and creepage distance | Testing code for power converter of electrochemical energy storage system GB/T 34133-2017 6.10.1.2 |
| Low-voltage switchgear and controlgear assemblies—Part 1:General rules GB/T 7251.1-2013 8.3 |
| General specification for power control system of battery energy storage system NB/T 31016-2011 5.3.2.3 |
| 26 | Short circuit protection | Testing code for power converter of electrochemical energy storage system GB/T 34133-2017 6.11.1 |
| 27 | Reverse polarity protection | Testing code for power converter of electrochemical energy storage system GB/T 34133-2017 6.11.2 |
| 28 | Dc overvoltage/undervoltage protection | Testing code for power converter of electrochemical energy storage system GB/T 34133-2017 6.11.3 |
| 29 | Off-grid overcurrent protection | Testing code for power converter of electrochemical energy storage system GB/T 34133-2017 6.11.4 |
| 30 | AC line phase sequence error protection | Testing code for power converter of electrochemical energy storage system GB/T 34133-2017 6.11.6 |
| 31 | Cooling system fault protection | Testing code for power converter of electrochemical energy storage system GB/T 34133-2017 6.11.8 |
| General specification for power control system of battery energy storage system NB/T 31016-2011 5.3.16.9 |
| 32 | ordinary inspection | Electrical safety of machinery - Electrical equipment of machines - Part 1: General requirements GB 5226.1-2008 |
| General specification for power control system of battery energy storage system NB/T 31016-2011 5.3.1 |
| 33 | Insulation resistance | Semiconductor converters - General requirements and line commutated Converters - Part 1-1: Specification of basic requirements GB/T 3859.1-2013 7.2.3.1 |
| General specification for power control system of battery energy storage system NB/T 31016-2011 5.3.2.1 |
| 34 | Overcurrent protection | General specification for power control system of battery energy storage system NB/T 31016-2011 5.3.16.3 |
| 35 | Overvoltage/undervoltage protection | General specification for power control system of battery energy storage system NB/T 31016-2011 5.3.16.4 |
| 36 | Precharge function | General specification for power control system of battery energy storage system NB/T 31016-2011 5.3.22 |
| 3 | DC charger | 1 | Input overvoltage protection | Inspection and test specifications for electric vehicle charging equipment. Part 1:off-board charger NB/T 33008.1-2018 5.4.1 |