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Impulse Voltage Test Equipment (Model : IT 12 PV) for PVC Cell (Solar Panel) Testing as per IEC 61180, IEC 61008-1,IEC 60335, IEC 60950, IEC 60947

Impulse tester 10KV

The Impulse Voltage Test Equipment is designed to generate voltage impulse of 12kV (both polarities, settable). The waveform generated has a rise time of 1.2 micro second and 50 micro second duration. This test is described in various standards including IEC 61180.

The peak voltage can be adjusted by the user. The test sequence i.e. number of Impulse for Positive and Negative polarity, time between two subsequent impulses & so on can be programmed with the help of a dedicated PLC module. The entire sequence, for both positive and negative impulse is automatic. At the end of the test, the test results are displayed on HMI. Output is provided for connecting an oscilloscope for displaying the Wave Form at the output Terminals. In case any flash over occurs, it is detected by a circuit which stops the test sequence, and PLC displays the number of cycles with polarities at which the failure has taken place.

Applications : Impulse voltage tests are recommended with the object to determine effect of voltage stress on insulation due to voltage surges of short durations. A surge is a form of over voltage, which may be defined as an exceptional voltage in excess of peak voltage to earth at line or electrical system of which line forms a part (can be caused as a result of lightning strikes as well as other overvoltage spikes in the power system level).

Impulse Tester (Model IT12 PV) is specially designed for PV (Solar Panels) testing as per IEC 61730 Section 10.12. The Solar Panels offer high capacitive load. The capacitance values differ for different panel size. To maintain the test waveform (1.2/50 µ sec), the correction network is required. Mainly it is provided with shorting links. Secondly the energy levels required are high. This model takes care of all the requirements.

  • Programmable and fully automatic sequence.
  • HMI / LCD Display for indication of test parameters and result.
  • Programmable module with sequencing for setting of: Positive , Negative or both polarities.
  • No. of pulse for Positive or Negative polarity.
  • Selection of polarity : Automatic through PLC Unit
  • RAutomatic flash over detection and cut–off circuit
  • Digital display for flashing number of cycles with polarities for breakdown; Voltage Indication: Digital Meter to indicate peak voltage.
  • Output pin for output to oscilloscopes to view exact shape of the wave
  • Correction networks to correct the waveform to compensate capacitive load.

  • Mains Supply : 230 V, 50 Hz. (Other supply optional)
  • Output Peak Voltage : 2 kV to 12kV adjustable manually
  • Wave Form : 1.2/50 µs
  • Output Impedance : 2Ω, 10Ω.
  • Energy Maximum : 360 Joules at 12kV peak.
  • Capacitor : 5 Micro Farad.
  • Minimum Charging time: 3 seconds.
  • Load: Capacitive 5 nF to 80 nF
  • Output for Oscilloscope: Attenuated output 0 to 12V for 0 to 12kV
Impulse tester

While many devices are required to confirm to withstand this voltage impulse and current surge, we are outlining a few IEC standards that refer to this test -

IEC 61000 – 4 - 5, IEC 60065, IEC 60335 & IS 13252.1.2010.

Sr. No. Description Model
1 Impulse Tester 1.2/50µSec
  • a) 6kV (1.2/50 µSec) Energy Max. 18J
  • b) 10kV (1.2/50 µSec) Energy Max 50J
  • c) 12kV (1.2/50 µSec) Energy Max 70J
  • d) 15kV (1.2/50 µSec) Energy 112J
  • e) 20kV (1.2/50 µSec) Energy 200J
  • f) 6kV (1.2/50 µSec) a) Energy Max. 18J & b) Energy 0.5J
  • IT 6A
  • IT 10A
  • IT 12A
  • IT 15A
  • IT 20A
  • IT 6A EM
2 Impulse Tester 6.5kV 1.2/50 µSec with Current Surge 8/20 µSec (Combination Waveform) ITC6A
Impulse Tester 10kV 1.2/50 µSec with Current Surge 8/20 µSec (Combination Waveform) ITC10A
3 Impulse Tester 10/700µSec
  • a) 6.5kV (10/700µSec)
  • b) 10kV (10/700µSec)
  • IT6B
  • IT10B
4 a) Impulse Tester 6.5kV 10/700 µSec with Current Surge 5/320 µSec (Combination Waveform) ITC6B
5 Impulse Test 6.5kV (1.2/50 µSec & 8/20 µSec with Online with POW and CDN as per IEC 61000-4-5 (Combination Waveform) ITC6/N
6 Ring Wave Generator with CDN as per IS 12640-1: 2016 / IEC 61008-1:2012 RWG-6
7 Surge Tester 10kV as per IEC IEC 60065 ST10

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