Testing of New Energy PV, Energy Storage and Converter Transformer Equipment-Inspection Service-Services-Xuchang KETOP Testing Research Institute Co., Ltd.

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Testing of New Energy PV, Energy Storage and Converter Transformer Equipment

KETOP provides testing services for high-power power electronic products such as photovoltaic (PV), energy storage, and power quality product.

Applicable Product Types

◆PV Products: PV power station, PV inverter, PV combiner box, etc.

◆Energy Storage Products: Energy storage station, Power conversion system (PCS), Grid-forming power conversion system, Battery management system (BMS), Energy management system (EMS), Energy storage battery pack, Central control system, etc.

◆Power Quality Products: Low-voltage reactive power compensation device, Low-voltage active power filter, etc.

Testing Capabilities

Environmental Testing

■ Capable of conducting various mechanical tests such as vibration test, impact test, collision test, drop test, etc.

■ Equipped with environmental test equipment like high and low temperature humidity chambers, low-pressure chambers, dust and water protection devices, salt spray test equipment, and noise test labs.

■ Possesses the capability to perform safety item tests such as electrical clearance, creepage distance, and ignition.

■ Has the high-acceleration life test chamber, which can provide an environmental temperature ranging from -100℃ to 200℃, with a maximum temperature change rate of 100℃/min. It can provide 6-axis random vibration with an intensity of 5Grms ~75Grms.

Electromagnetic Compatibility (EMC) Testing

■ Capable of conducting tests including radiated emission, conducted emission, slow damped oscillatory wave immunity, fast damped oscillatory wave immunity, electrostatic discharge immunity, conducted disturbance immunity induced by radio frequency fields, radio frequency electromagnetic field radiation immunity, electrical fast transient burst immunity, surge immunity, power frequency immunity, power frequency magnetic field immunity, voltage dip and short interruption immunity, power supply voltage slow drop/rise, and 0-150kHz radio frequency disturbance immunity tests.

Dynamic Simulation Testing

■ Possesses the capability of hardware-in-the-loop simulation testing for converter controllers in wind, solar, energy storage, charging, etc.

■ Has the capability to conduct dynamic model tests for microgrid and energy internet control devices.

■ Capable of performing dynamic simulation tests for devices such as coordination controllers related to new energy station.

■ Possesses the capability to conduct dynamic simulation tests for secondary equipment in new energy scenario.

■ Capable of performing dynamic simulation tests for UHV DC transmission control and protection equipment, flexible DC control and protection equipment, etc.

New Energy Testing

■ PV Products: PV inverter, PV combiner box, PV energy storage integrated machine etc.

■ Energy Storage Products: Power conversion system (PCS), Grid-forming power conversion system, Battery management system (BMS), Energy management system (EMS), Energy storage battery pack, Central control system, etc.

■ Power Quality Products: Low-voltage reactive power compensation device, Low-voltage active power filter, etc.

Scope of Testing Capabilities

Environmental testing

Environmental Testing – GB/T 2423 Series

GB/T 29309-2012 Accelerated stress testing procedures for electric and electronic products-Guidance for highly accelerated life test

GB/T 2689.2-1981 Life test and acceleration life test charts--Evaluation of their Weibull distributions

Fire Hazard Testing for Electrical and Electronic Products – GB/T 5169 Series

GB/T 4208-2017 Degrees of protection provided by enclosure(IP code)

GB/T 15153.2-2000 Elecontrol equipment and systems Part 2: Operating conditions Section2: Environmental conditions (Climatic,mechanical and other non-electrical influences)

Dynamic Model Test

NB/T 10316-2019 Test specification for grid connection behaviour of dynamic reactive power compensation device in wind farm

GB/T 40595-2021 Guide for technology and test on primary frequency control of grid-connected power resource

GB/T 34120-2023 Technical requirements for power conversion system of electrochemical energy storage system

GB/T 37409-2019 Testing specification for photovoltaic grid-connected inverter

GB/T 3804-2017 High-voltage alternating current switches for rated voltage above 3.6 kV and less than 40.5 kV

Electromagnetic Compatibility (EMC) and/New Energy Testing

● Energy Storage Products：

GB/T 34120-2023 Technical requirements for power conversion system of electrochemical energy storage system

GB/T/34133-2023 Testing code for power conversion system of energy storage system

GB/T 34131-2023 Battery management system for electrical energy storage

GB/T 36545-2023 Technical specification of mobile electrochemical energy storage system

GB/T 36558-2023 General technical requirements for electrochemical energy storage system of power system

GB/T 43526-2023 Technical requirements for connecting user-side electrochemical energy storage system to distribution network
NBT 10186-2019 Technical specification of power conversion equipment used for PV energy storage system
NBT 31016-2019 Technical specification for power control system of battery energy storage system: Converter

● PV Products：

GB/T 19964-2024 Technical requirements for connecting photovoltaic power station to power system

GB/T 29319-2024 Technical requirements for connecting photovoltaic power system to distribution network

GB/T 34933-2017 Technical code for combiner box test of photovoltaic power station

GB/T 34936-2017 Technical requirement of combiner box for photovoltaic power station

GB/T 37408-2019 Technical requirements for photovoltaic gird-connected inverter

GB/T 37409-2019 Testing specification for photovoltaic grid-connected inverter

NB/T 32004-2018 Technical specification of PV grid-connected inverter

NB/T 42142-2018 Technical specification of photovoltaic grid-connected micro inverter
CNCA/CTS 0002-2014 Technical specification for China efficiency of grid connected PV inverters
CNCA/CTS 0012-2013 Technical Requirement and Test Method of Grid-connected PV Micro inverter
CNCA/CTS 0033-2015 Technical Requirements for Commissioning Test of PV Systems
IEC 62116:2014 Utility-interconnected photovoltaic inverters - Test procedure of islanding prevention measures
IEC 61727:2004 Photovoltaic (PV) systems -Characteristics of the utility interface
IEC 62477-1:2022 Safety requirements for power electronic converter systems and equipment-Part 1: General
UL 1741:2021 Inverters, Converters, Controllers and Interconnection System Equipment for Use With Distributed Energy Resources
EN 50530:2010+A1:2013 Overall efficiency of grid connected photovoltaic inverters
IEC 62109-1:2010 Safety of power converters for use in photovoltaic power systems-Part 1: General requirements
IEC 62109-2:2011 Safety of power converters for use in photovoltaic power systems-Part 2: Particular requirements for inverters

Business Inquiries

Contact

Ming Chen

Telephone

0374-3212775/3212185

chenming@ketop.cn

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