KDCW-20 equipment can generate impulse voltage (1.2/50μs) and impulse current (8/20μs) for the level III test and limit voltage test of SPD and components in low-voltage distribution system.
MOV valve disc, unit and surge protector (SPD) can be used for impulse current test and residual pressure verification, or for other scientific research tests;
The device adopts computer and PLC control technology, the main performance can meet the domestic and foreign requirements of SPD products and devices for all kinds of combined wave testing.

The device adopts computer and PLC control technology, the main performance can meet the domestic and foreign requirements of SPD products and devices for all kinds of combined wave testing. The device adopts computer and PLC control technology, the main performance can meet the domestic and foreign requirements of SPD products and devices for all kinds of combined wave testing.

The main technical parameters of the test platform are:
Input power: AC220V/3kVA, 50Hz/60Hz
Maximum DC charging voltage: DC22kV, maximum charging current 0.1A
Charging time: 22kV40s~60s to complete
Charge voltage setting: Test initialization for charge voltage preset and setting
Residual pressure level: ≤2.5kV
Automatic polarity conversion: The number of positive and negative polarity shocks can be set separately.
Automatic phase tracking, 0-359° adjustable
Action load power supply AC5-500V/5A, built-in decoupling capacitor, inductance. Manual boost, buck, head display.
Combined wave impact generator loop
Capacity: 8uF charging voltage 25kV
Output capacity: 10%~110%, inverse peak <20%(no decoupling load)
Open circuit voltage waveform: T1:1.2±30%, T2:50±10%
Short-circuit current waveform: T1:8±10%, T2:20±10%(not connected to decoupling load)
Short-circuit current waveform: T1:8±20%, T2:20±20%(connected to decoupling load)
Output impedance: 2 ohms ±10%
Sample cabinet: Width x diameter x height =400*400*300mm (can also be customized according to customer requirements)
Cabinet size: Width x diameter x height =600*800*1800mm The main technical parameters of the test platform are:
Input power: AC220V/3kVA, 50Hz/60Hz
Maximum DC charging voltage: DC22kV, maximum charging current 0.1A
Charging time: 22kV40s~60s to complete
Charge voltage setting: Test initialization for charge voltage preset and setting
Residual pressure level: ≤2.5kV
Automatic polarity conversion: The number of positive and negative polarity shocks can be set separately.
Automatic phase tracking, 0-359° adjustable
Action load power supply AC5-500V/5A, built-in decoupling capacitor, inductance. Manual boost, buck, head display.
Combined wave impact generator loop
Capacity: 8uF charging voltage 25kV
Output capacity: 10%~110%, inverse peak <20%(no decoupling load)
Open circuit voltage waveform: T1:1.2±30%, T2:50±10%
Short-circuit current waveform: T1:8±10%, T2:20±10%(not connected to decoupling load)
Short-circuit current waveform: T1:8±20%, T2:20±20%(connected to decoupling load)
Output impedance: 2 ohms ±10%
Sample cabinet: Width x diameter x height =400*400*300mm (can also be customized according to customer requirements)
Cabinet size: width x diameter x height =600*800*1800mm