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Testing Capability

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Photovoltaic products
No. Testing Object Item/ Parameter Testing Standard (Method)
No. Name
1PV grid-connected inverter31Lightning protection inspectionTechnical specification of PV grid-connected inverter NB/T 32004-2018 11.5.11
32Appearance and structure inspectionTechnical specification of PV grid-connected inverter NB/T 32004-2018 11.7
2Power converter of electrochemical energy storage system1Charge-discharge conversion timeTesting code for power converter of electrochemical energy storage system GB/T 34133-2017 6.1.2
General specification for power control system of battery energy storage system NB/T 31016-2011 5.3.21
2Charging current errorTesting code for power converter of electrochemical energy storage system GB/T 34133-2017 6.1.3.1
3Constant current charge steady current accuracyTesting code for power converter of electrochemical energy storage system GB/T 34133-2017 6.1.3.2
General specification for power control system of battery energy storage system NB/T 31016-2011 5.3.9
4Constant current charging current rippleTesting code for power converter of electrochemical energy storage system GB/T 34133-2017 6.1.3.3
General specification for power control system of battery energy storage system NB/T 31016-2011 5.3.10
5Voltage errorTesting code for power converter of electrochemical energy storage system GB/T 34133-2017 6.1.3.4
6Off-grid switching timeTesting code for power converter of electrochemical energy storage system GB/T 34133-2017 6.2
7effectivenessTesting code for power converter of electrochemical energy storage system GB/T 34133-2017 6.3.1~6.3.3
Semiconductor converters—Electrical test methods GB/T 13422-2013 5.1.10
General specification for power control system of battery energy storage system NB/T 31016-2011 5.3.6
8LossTesting code for power converter of electrochemical energy storage system GB/T 34133-2017 6.3.4
9Overload capacityTesting code for power converter of electrochemical energy storage system GB/T 34133-2017 6.4
Semiconductor converters—Electrical test methods GB/T 13422-2013 5.1.13
General specification for power control system of battery energy storage system NB/T 31016-2011 5.3.3
10Current harmonicTesting code for power converter of electrochemical energy storage system GB/T 34133-2017 6.5.1
Semiconductor converters—Electrical test methods GB/T 13422-2013 5.3.8.2
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