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Энергетические кабели - Испытания и диагностика Испытание напряжением СНЧ (VLF) VLF Sine Wave 54 kV
VLF Sine Wave 54 kV
Серия: SebaKMT
запросить ценуVLF Sine Wave Test System for medium voltage cables
Benefits
- High test capacity of 5 ?F
- Continuous Duty Cycle
- Single-button operation "easyGo"
- Integrated safety system
- Suitable for diagnosing 45 kV rated cables
Description
The VLF Sinus 54 kV is the ideal system for all users who want to or must test with a genuine 0.1 Hz sine wave voltage. The VLF testing system can be perfectly integrated in a fault location system or in combination with an OWTS and the optional tanDelta test attachment as part of a diagnostic test van.
As with 0.1 Hz sine wave voltage as well as with testing with square-wave and DC-voltages, the VLF Sinus 54 at any time fulfils the highest demands on quality and stability of the testvoltage. Moreover the integrated “breakdown recognition”, which will disconnect the test-voltage and earth the test-object in case of a too high load-current, assures a gentle and safe operation.
Depending on the integration of the system, the intuitive operation of the system is conducted either via the integrated operator guidance, a notebook or via the Centrix control-panel.
Logging takes place comfortably via a USB stick in .csv format for further data-processing purposes and is also saved in Easyprot format (software included in standard delivery) for clear and structured reports.
Together with the optional available step-voltage probe ESG80- 2, sheath faults can be precisely pinpointed by using the step voltage method. Moreover the VLF sine wave 54 kV can be upgraded to an accurate testing and diagnostic-system with the optional available tanDelta test attachment. (Further technical details can be taken from the corresponding leaflet or ask your local representative.)
Features
- AC testing acc. to CENELEC and IEEE
- Testing without system related interruptions
- Capable of testing 35 kV rated cables and diagnosing 45 kV rated cables acc. IEEE
- Sheath test / Sheath fault location
- Easy to use via programmable test sequences
- Maximum user safety thanks to the integrated safety system
- Breakdown detection and load recognition (R, C)
- Can load short cables with a load <10 nF
- Quick and comfortable logging and updating via USB port
- Ideal as component in diagnostic test van
Options
- Notebook with Centrix operating software
- tanDelta test attachment
- ESG 80-2
Технические характеристики:
| Output voltage | |||
| VLF sine wave | 0–38 kVeff | ||
| DC voltage | ±0–54 kV | ||
| Square wave voltageain | 0–54 kV | ||
| Accuracy | ±1% | ||
| Resolution | 0.1 kV | ||
| Output current | |||
| Measuring range | 0–35 mA | ||
| Accuracy | ± 1% | ||
| Resolution | 10 ?A | ||
| Frequency range | 0.01 Hz … 0.1 Hz autom. frequency adjustment |
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| Output | 0.7 ?F @ 0.1 Hz at 38 kVeff 5 ?F @ 0.01 Hz at 38 kVeff |
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| Output to cable rating voltage at 0.1 Hz |
Testing | Testing | Diagnosis |
| 2 Uo | 3 Uo | 1.5 Uo | |
| 6,35/ 11 kV | 2.9 ?F (13 kV) |
2.1 ?F (19 kV) |
4.7 ?F (10 kV) |
| 12.7/22 kV | 1.5 ?F (25 kV) |
1.05 ?F (38 kV) |
2.1 ?F (19 kV) |
| 19/ 33 kV | 1.05 ?F (38 kV) |
- | 1.4 ?F (29 kV) |
| 20/35 kV | 1.05 ?F (38 kV) |
- | 1.3 ?F (30 kV) |
| 32/45 kV | - | - | 1.0?F (38 kV) |
| Input voltage | 100 V … 260 V, 50/60 Hz, 1200 VA |
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| Sheath testing | 0 … 5 kV, 0 … 10 kV DC | ||
| Sheath fault pinpointing | 0 … 5 kV, 0 … 10 kV DC Pulse-rate 1:3 and 1:4 |
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| Safety | F-? Earthing monitoring, autom. discharging of test object |
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| Dimensions (W x H x D) | 1000 x 600 x 500 mm | ||
| Weight | 110 kg | ||
| Protection class | IP 20 | ||
| Operating temperature | -25 °C … +55 °C | ||
| Storage temperature | -25 °C … +70 °C | ||
| ------------------------------------------------------------ | |||
| This product contains free software licensed under the GNU General Public License. The source code of distributed open source files can be requested in writing from service@sebakmt.com. |
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