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Distribution Network Terminal Device Testing


Equipped with full testing capabilities for distribution network protection and automation products, including protection functions, measurement accuracy, variation due to an influence quantity, feeder automation, and primary-secondary system coordination.

Applicable Product Types

Feeder Terminal Unit, Distribution Terminal Unit, Transformer Terminal Unit,Distribution Line Dault Indicator, Primary-Secondary Integrated Products, etc.

Testing Capabilities   


Electrical Testing

 ■ Possesses distribution terminal automated testing systems, relay protection testers, standard meters, and other testing instruments to meet testing requirements for measurement accuracy, variation due to an influence quantity, protection functions, feeder automation, etc.

 ■ Possesses a full set of automated safety compliance testers capable of conducting insulation resistance, dielectric strength, impulse voltage, and other safety tests


Environmental testing

 ■  Capable of conducting various types of mechanical tests, including vibration tests, shock tests, collision tests, and drop tests;

 ■  Equipped with environmental testing devices such as temperature-humidity chambers, low-pressure chambers, dust and water protection devices, salt mist test chambers, and noise test chambers;

 ■ It is competent to perform safety-related testing items encompassing electrical clearance, creepage distance, and fire hazard testing, among others.

 ■ Equipped with highly accelerated life test chambers capable of providing an environmental temperature range of -100°C to 200°C, with temperature change rates up to 100°C/min; capable of providing 6-axis random vibration with intensities from 5 Grms to 75 Grms


Electromagnetic Compatibility (EMC) Testing

 ■ Features a 10-meter EMC chamber capable of conducting tests such as samped oscillatory wave immunity, electrostatic discharge immunity, radiated,radio-frequency,electromagnetic field immunity, electrical fast transient/burstimmunity, surge immunity, power frequency magnetic field immunity, damped oscillatory magnetic field immunity, pulsed magnetic field immunity, conducted disturbances induced by RF fields, radiated emission limits, and conducted emission limits.


Testing Capabilities

GB/T 7261-2016 Basic testing method for relaying protection and security automatic equipment;

DL/T 721-2024 Technical specification for terminal unit of distribution automation;

DL/T 1529-2024 Inspection code for terminal unit of distribution automation;

DL∕T 1157-2019 General specification for distribution line fault indicators;

GB/T 11022-2020 Common specifications for high-voltage alternating-current switchgear and controlgear standard;

GB/T 16927.1-2011 High-voltage test techniques-Part 1:General definitions and test requirements.

Business Inquiries 

Contact                                        

Ming Chen(Xuchang)/Xinmei Chen(Zhuhai) 

                                   
Telephone                                        

0374-3212775/3212185(Xuchang)0756-3869069 (Zhuhai) 

                                     

Email                                   

chenming@ketop.cn(Xuchang)chenxinmei@ketop.cn(Zhuhai)        










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