Application DC voltage test system is widely applied in the DC withstanding voltage test and polarity change-over test of high voltage apparatus, such as high voltage transformers, surge arresters....
Founded in 2004 Shanghai GrandTop Lightning Technology Co., Ltd aims to provide power impulse equipments and test solutions. We can provide SPD test equipments, high voltage test equipments, control....
General The 10-pulse multi stroke test system can output 1~ 10 lightning pulses with an interval of1 s to 999ms. The output current peak of every pulse can reach to 100kA. The time interval can....
Application The lightning stoke system for direct current test on aircraft comprises of three sets of impulse generators and one set DC power source, which can generate A, B, C, D four current....
Application AC/ DC Aging Test System is specially designed to do the heating aging test with zinc oxide valve used in DC arrester. The box is equipped with air inlet, air outlet, over air pressure....
Application H Type impulse current test system can generate different types lightning impulse current shapes such as 4/ 10 s, 8/ 20 s, 1 20 s, 30/ 80 s, 60/ 100 s , long duration current....
Application The automatic varistor test system is mainly designed to measure the varistor voltage and leakage current of varistors, which can output 100V/ s to test the GDT product. Standards ....
GTJZF-9 calibration generator is a small and cheap partial discharge corrector, which is powered by batteries. It is easy to carry and use with high accuracy. It can be on-demand with a range of four....
GTPD-2013 is specially designed for the qualitative detection of partial discharge of the medium voltage and high voltage electrical apparatus, such as transformers, GIS. It can visually analyze the....
Application This equipment is mainly used for SPD TOV test caused by the failure in low-voltage system. It can be also used in other scientific research. Standard IEC61643.1-2005, GB18802.1-2011, ....
Application Thermal stability test equipment is mainly used to apply DC supply between constant current 2mA~ 20A for SPD and varistors through continuously monitoring the current and surface....
Application GVD series weak damped-capacitive impulse voltage divider are used to measure high voltage full and tail chopped lightning and full switching impulses. Provided with an adequate....
The computer control & measuring system is including portable computer, Programmable Logic Controller ( PLC) , console, measuring devices and the printer. The console can communicated with the....
Application AC Resonant Systems are applied to the generation of high voltage AC of power frequency for routine, type and development testing of capacitive test objects. Their main applications are....
H Type of the Equipment H Type of the Equipment can generate different types lightning impulse current shapes such as 1/ < 20 s, 4/ 10 s, 8/ 20 s, 18/ 40 s and 2ms shapes according the....
Application The C type impulse current test systems with crowbar are sophisticatedly designed to generate impulse current of exponential shapes. The system can be designed in various ways for....