The equipment is according to combination wave testing requirement of the low-voltage power distribution system SPD II product, enable to generate impulse voltage (1.2/50μs) and impulse current (8/20μs), is used for grade III test and limiting voltage test of SPD and components.

Technical Specifications:-

The main technical parameters of the test platform are:
● Input power: AC220V/22kV/3kVA, 60Hz
● Max. DC charging voltage: DC12kV, max. charging current 0.5A
● Charging time: 22kV completed within 40s~60s
● Charging voltage setting: Test initialization, pre-setting and adjusting of charging voltage
● Residual voltage level: ≤2.5kV
● Automatic polarity conversion: the number of positive and negative polarity impulse can be set separately
● Phase angle: 0-360° adjustable
● Impulse current generating circuit
Lightning current 8/20μs, lightning current rated amplitude: 2-20kA
Capacitance: 16uF, charging voltage: 12kV
Output capacity: 10%~100%, anti-peak <20% (do not connect the decoupling load)
Output impedance: 0.5Ω (10kV/20kA)
● Combination wave generating circuit
Lightning current 8/20μs, lightning current rated amplitude: 1-10kA
Lightning voltage 1.2/50μs, lightning voltage rated amplitude: 2-20kV
Capacitance: 8uF, charging voltage 22kV
Output capacity: 10%~100%, anti-peak <20% (do not connect the decoupling load)
Output impedance: 2Ω± 10%
● Cabinet dimension: 600(L) * 800(W) * 1800(H)mm
● Test object cabinet: 400(L) * 400(W) * 300(H)mm
● Weight: about 650kg
● The cabinet is equipped with movable casters and fixed supports, which can be easily moved and positioned

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