High Voltage Test System for Solid Dielectrics Testing
High Voltage Test System for Solid Dielectrics Testing
- Testing the high-voltage cables and the cables sheaths with 6,10,15,20 kW operating voltage and all types insulation such as XLPE and PILC.
- Testing insulators and other electric equipment by high voltage power frequency AC.
- Testing high-voltage switches’ vacuum chambers.
- Laboratory and research works.
Features: The test system contains a few units, which are easy to carry and use. For example, only one high-voltage unit without the switching unit is needed for testing the transformer substations’ isolators.
The system includes a convenient and maneuverable transport cart.
High Voltage Test System for Solid Dielectrics Testing;
- Testing the high-voltage cables and the cables sheaths with 6,10,15,20 kW operating voltage and all types insulation such as XLPE and PILC.
- Testing insulators and other electric equipment by high voltage power frequency AC.
- Testing high-voltage switches’ vacuum chambers.
- Laboratory and research works.
Features: The test system contains a few units, which are easy to carry and use. For example, only one high-voltage unit without the switching unit is needed for testing the transformer substations’ isolators.
The system includes a convenient and maneuverable transport cart.
Technical Specifications
| Parameter name | Value |
| Power supply AC voltage | 220 V ± 10%(50Hz) |
| Maximum supply current, at most | 5 A |
| Environment temperature | -10…+45 °C |
| Storage temperature | -20… +45 °C |
| Relative air humidity at + 25 ° C,%, at most | 80 |
| Atmospheric pressure, mm Hg. | 630 – 800 |
| The total weight with the transport cart, at most | 115 kg |
| Long operation mode, at least | 120 min. |
| Average service time | 10 years |
Output Voltage
| Parameter name | Value |
| Maximum voltage in ultra-low frequency (ULF) generator mode, cosine-rectangular (squarewave) waveform | 40 kV |
| Three fixed ULF generator’s frequencies | 0,1; 0,05; 0,02 Hz. |
| Maximum voltage in DC rectified voltage generator mode | +⁄- 40 kV |
| Maximum voltage in AC sinusoidal voltage generator mode (frequency 50 Hz) | 50 kV |
| Maximum load capacity in the ULF generator mode with frequency | 0,1 Hz – 0,3 (µF)0,05 Hz – 0,6 (µF)
0,02 Hz – 1,5 (µF) |
| Output voltage measuring accuracy | 3 % |
| Output voltage measurement resolution | 100 V |
Output Current
| Parameter name | Value |
| Maximum current of the test system in all modes | 14,5 mA |
| Two output current measuring range | 1 mA ⁄ 20 mA |
| Output current measurement resolution | 3 % |
Built-in timer for three fixed time interval (1 min., 5 min., 30 min.) with real-time clock function. Upon reaching the time setting, it automatically turns off the test mode, with sound and light indication.
High Voltage Test System for Solid Dielectrics Testing Package Contents
| № | Name | Quantity | Notes |
| 1 | Control unit CU | 1 | |
| 2 | High voltage unit HVD-50 | 1 | |
| 3 | Switching unit SU-40 | 1 | |
| 4 | Transport cart | 1 | |
| 5 | Power cable | 1 | 1,75 m |
| 6 | High voltage wire | 1 | 3,5 m |
| 7 | Ground wire | 3 | 3,5 m |
| 8 | Interconnect wires set | 4 | suite |
| 9 | Fuse-link 5 × 20 | 2 | 250 V, 1 A |
| 10 | Fuse-link 6 × 30 | 2 | 250 V, 10 A |
| 11 | Operation Manual | 1 | |
| 12 | Calibration certificate | 1 |
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