Profile:
Components of equipment:
1, high voltage cable office release test system software (including laptop)
2, AC oscillating wave high voltage test power supply
(1) Output power: 10kW
(2) Output frequency: 30HZ-300HZ
(3) Frequency resolution: 0.1HZ
(4) Input power supply: AC220V±10% or AC380V
3. Special reactor for cable oscillation wave local discharge
Performance parameters (a total of 3 sections, can be used in parallel according to the field)
(1) Inductance: 50H/2A/ single section
(2) Working frequency: 30HZ-300HZ
4, special office release data filtering acquisition device
Sampling frequency: 125MHz
Storage depth: 64M
5, local discharge calibrator (50PC, 100PC, 200PC, 500PC, 1nC, 2nc, 5nC, 10nC, 20nC)
6, excitation and oscillation wave generator
Features:
This device can not only measure and position the cable discharge under the condition of damped oscillation wave in the field, but also carry out the cable on-site handover and preventive series frequency conversion resonant AC voltage withstand test according to the current standard (procedure), which can be used in one machine and greatly improve the use efficiency of equipment.
Parameter:
Power capacity: ≤1.3uF.
Maximum test voltage: AC 22kV
Frequency range of damped oscillation wave: 30 ~ 300Hz
Frequency range of series resonance voltage test: 30 ~ 300Hz
Office release test range: 20PC ~ 20nC,
Position accuracy: 1%
Applicable cable specifications: voltage 10kV and below grade, 400mm² section cable 3 km