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3ctest LCG M Series Automatic Square Wave Impulse Current Test System View larger

3ctest LCG 5M Automatic Square Wave Impulse Current Test System

New

  • 10 level LC chain to consist square wave circuit, smooth waveform with little oscillatory
  • Controlled silicon continuous current for charging to save energy
  • Color touch screen, easy operation
  • Controlled by manual, automatic or programmable to different test requirements
  • PLC control system, powerful and stable immunity system
  • Protection function, visual and audible alarm
  • Measure and analyze waveform parameters automatically

Industries

  • Communication
  • Medical
  • Broadcast
  • Railway
  • Telecom
  • Technology
  • New energy
  • Military
  • Avionics

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Test Equipment Description

The 3ctest LCG M Series automatic square wave impulse current test system adopts two-path 10-level LC chain circuit to output square wave impulse current with 2ms duration. This system is mainly used for 2ms square wave impulse current withstand test for MOV. Controlled automatically, it is featured with high system integration and intelligence and easy operation. Setting test requirements on parameters setting page, test can be conducted with one button.

As per

  • IEC 61643-1
  • GB 18802.1
  • GB 11032
  • UL1449
  • YD-T 1235.2
  • YD/T 5098
Technical Parameters
Item2ms square wave current
Output peak1KA,2KA,3KA,4KA,5KA
Td duration2ms(-0%﹢20%)
Attenuation time<Td×1.5
Reversed overshoot--
Wave-front oscillatory<5%
Voltage polarity+/-,(Switch automatically)
Waveform switchSwitch automatically
Charging time10s~999s
Instability of charging voltageLess than 1%
Trigger modeAutomatic or manual, single trigger available
Trigger malfunction rateLess than 1%
Trigger range100% rated charging voltage
Display screen10 inch TFT color touch screen
Measurement display resolutionBetter than 3%
Type of DUTMOV, TVS, GDT, SPD or mains surge protection device
DUT residual voltage<5kV
Current measurement(optional)Internal test box, Roosevelt coil measurement, BNC output
Voltage measurement(optional)Internal test box, resistive voltage divider, BNC output
OscilloscopeMDO3012, optional
Insulation strength≤500V RMS(common port COMMON to ground reference PE)
General Data
Power supplyAC220V±10%,50/60Hz,10A
Temperature15~35°C
Humidity45%-75%
Ground resistanceNo more than 0.5Ω
ConstructionOpen style, control system split base system
Size of test roomDepend on model(base system)+3M*5M(control system)
Operation table1.8M(width)*1.1M(height)*1M(depth)
No conductive dust, no fire or explosion danger, no corrosive metal and insulation air. Waveform of mains voltage is sine wave. The THD is <5%.

Technical Parameters of Standard Models
Models LCG 1M LCG 2M LCG 3M LCG 4M LCG 5M
Current peak0.1~1kA0.2~2kA0.15~3kA0.2~4kA0.25~5kA
Stored energy30kJ60kJ100kJ200kJ300kJ
Charging voltage20kV20kV30kV40kV50kV
Equivalent output impedance20Ω,10Ω20Ω,10Ω20Ω,10Ω20Ω,10Ω20Ω,10Ω
DUT residual voltage6kV,20kV6kV, 20kV6kV,20kV6kV,20kV6kV,20kV
Supply mainsAC220V 32AAC220V 50AAC220V 50AAC220V 100AAC220V 150A
InstallationFrame styleFrame styleFrame styleFrame styleFrame style

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