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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 inverter16Three - phase current imbalanceTechnical specification of PV grid-connected inverter NB/T 32004-2018 11.4.4.1.3
17DC componentTechnical specification of PV grid-connected inverter NB/T 32004-2018 11.4.4.1.4
18Active power controlTechnical specification of PV grid-connected inverter NB/T 32004-2018 11.4.4.2
19Voltage reactive power regulationTechnical specification of PV grid-connected inverter NB/T 32004-2018 11.4.4.3
20fault ride-throughTechnical requirements for connecting photovoltaic power station to power system GB/T 19964-2012 8.1-8.2
Technical specification of PV grid-connected inverter NB/T 32004-2018 11.4.4.5
Test code for low voltage ride through of photovolatic power station NB/T 32005-2013
21Dc input side overload protectionTechnical specification of PV grid-connected inverter NB/T 32004-2018 11.5.2.1
22Ac output side over/under voltage protectionTechnical specification of PV grid-connected inverter NB/T 32004-2018 11.5.2.2
Test code of voltage and frequency response for invertor of photovolatic power station NB/T 32009-2013 6.5~6.8
23Over/under frequency protectionTechnical specification of PV grid-connected inverter NB/T 32004-2018 11.5.3
24Reverse polarity or phase sequence error protectionTechnical specification of PV grid-connected inverter NB/T 32004-2018 11.5.4
25DC input overload protectionTechnical specification of PV grid-connected inverter NB/T 32004-2018 11.5.5
26Short circuit protectionTechnical specification of PV grid-connected inverter NB/T 32004-2018 11.5.6
27Against reverse discharge protectionTechnical specification of PV grid-connected inverter NB/T 32004-2018 11.5.7
28Anti-islanding effectTechnical specification of PV grid-connected inverter NB/T 32004-2018 11.5.8
The anti-islanding testing code for inverter of utility-interconnected photovoltaic power station NB/T 32010-2013
29Network access restoredTechnical specification of PV grid-connected inverter NB/T 32004-2018 11.5.9
Test code of voltage and frequency response for invertor of photovolatic power station NB/T 32009-2013 6.11
30Cooling systemTechnical specification of PV grid-connected inverter NB/T 32004-2018 11.5.10
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