GDCY-300kV/30kJ Impulse Voltage Test System

A. Computer controlled measurement and control system

B. Charging device

C. Impulse voltage generator

D. Weak damped capacitance divider

E. Auxiliary cabinet

 • Nominal voltage: ±300kV

 • Rated energy: 30kJ

 • Impulse capacitance: 0.67µF

 • Nominal stage voltage: ±100kV

 • Number of Stage: 3

 • Rated stage energy: 10kJ

 • Rated stage capacitance: 2.0µF

 • Synchronization error rate: ≤1%

 • Min. output voltage: ≥15%Un

 • Waveform resistors are supplied, it can be adjusted based on load.

 • Impulse voltage waveform and efficiency

• Standard lighting wave: wave head time: 1.2±30µs, wave tail time: 50±20%µs.
• Standard lightning wave ≥90% when load capacitance is below 1000pF, standard lightning wave ≥85% when load capacitance is below 2000pF.

 • Continuous time: Above 2/3 of rated voltage, continuous working when charge and discharge once every 120s. Below 2/3 of rated voltage, continuous working when charge and discharge once every 60s.

 • It can be manually controlled and constant current charging. The instability of the charging voltage is no more than ±1%, the deviation between the charging voltage and the reference voltage is no more than ±1%, and the charging voltage can be adjusted with an accuracy of ±1%