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KDLJ-30 Impulse Voltage Test Device
KDLJ-30 Impulse Voltage Test Device

KDLJ-30 Impulse Voltage Test Device

Applications:

Complies with GB311.1-2007 and DL/T848.5-2004, used for lightning/operation impulse tests of power transformers, switches and cables. Applied in power labs, manufacturers and universities for insulation performance verification and product certification.

  • Response within
    24 hours

  • Free warranty
    12 month

  • On-line training
    Support

Profile:

KDLJ-30 is an intelligent impulse test system with PLC control and computer integration. It features 0~30kV output, standard 1.2/50μs waveform and automatic control, ensuring reliable high-voltage insulation testing.

Features:

  • Outputs standard lightning (1.2μs±30%/50μs±20%) and operation (250μs±20%/2500μs±60%) impulse waves
  • Multi-polarity output: positive/negative/alternating, with automatic polarity switching
  • PLC + computer control, supporting manual/automatic/program control modes for flexible operation
  • Automatic ball gap adjustment, constant current charging (stability ±0.5%) and breakdown detection
  • 100M sampling rate oscilloscope + dedicated software for waveform analysis, storage and report generation
  • Comprehensive protections: overvoltage/overcurrent, door interlock, grounding interlock and polarity conversion interlock
  • Compact integrated design with 19-inch standard chassis, easy to install and operate

Parameter:

  • Output Performance
    • Lightning impulse voltage: 0~30kV (peak); Waveform: 1.2μs±30% (front time), 50μs±20% (half-peak time)
    • Operation impulse voltage: Standard full wave (250μs±20% front time, 2500μs±60% half-peak time)
    • Overshoot: <5%; Efficiency: ≥90% (lightning), ≥80% (operation); Peak deviation: ±3%
  • Charging Parameters
    • Charging voltage: 3.0~30.0kV; Polarity: Positive/negative/alternating
    • Charging time: 10~180s (adjustable, resolution 1s); Charging stability: ±0.5%
    • Stage capacitance: 0.5μF; Stage voltage: 30kV (dry full insulation package)
  • Test Settings
    • Impulse times: 1~9999 times (0 = continuous); Interval time: ≥3s (default 5s)
    • Virtual impedance: 2Ω/5Ω; Synchronization phase: 0~360° adjustable
  • Power & Environment
    • Power supply: AC220V±10%, 10A; Working temperature: -10℃~40℃
    • Relative humidity: 20%~80%RH (no condensation); Air pressure: 86~106kPa
  • Measurement & Control
    • Measurement system: 2-channel digital oscilloscope (100M sampling rate), 10x attenuator (5ns)
    • Control interface: 15-inch LCD computer + graphical touchscreen; Data storage: Waveform/parameter/report
  • Safety & Accessories
    • Safety: Ground resistance <0.5Ω, overcurrent/overvoltage protection, emergency stop
    • Standard accessories: 30kV generator main unit, oscilloscope, computer + control software, user manual, inspection report, certificate of conformity

Contact Us

Kaidi Zhengda Electric
Kaidi Zhengda

Oversea Sales Manager

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Phone：+852 5745 8949

Address：4th Floor, Building 12, No. 88, Huanhu Middle Road, Dongxihu District, Wuhan City, Hubei Province, China

+86-027-83551828

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