From the lab to the field: A comprehensive verification system for high-voltage doorhandle capacitors
Drawing:
Parameters:
| No. | Specification | Dissipation | Withstanding voltage | Insulation resistance | Dimension(mm) |
| 1 | 20kV-2000pF |
≦0.0040 |
1.5Ur● 1min |
≧1.0×105MΩ | D | H | L | D | M |
| 2 | 20kV-10000pF | 45 | 19 | 23 | 12 | 5 |
| 3 | 20kV-18000pF | 65 | 15 | 19 | 12 | 5 |
| 4 | 30kV-1000pF | 80 | 17 | 25 | 12 | 5 |
| 5 | 30kV-2700pF | 45 | 24 | 32 | 12 | 4 |
| 6 | 30kV-12000pF | 60 | 20 | 28 | 12 | 4 |
| 7 | 40kV-150pF | 20 | 33 | 41 | 8 | 4 |
| 8 | 40kV-500pF | 28 | 33 | 41 | 8 | 4 |
| 9 | 40kV-7500pF | 80 | 24 | 29 | 12 | 6 |
| 10 | 40kV-10000pF | 80 | 22 | 26 | 16 | 5 |
| 11 | 50kV-1000pF | 50 | 30 | 34 | 12 | 4 |
| 12 | 50kV-1000pF | 32 | 27 | 31 | 16 | 5 |
| 13 | 50kV-5600pF | 80 | 31 | 35 | 16 | 5 |
| 14 | 60kV-1500pF | 50 | 31 | 34 | 12 | 5 |
| 15 | 60kV-3000pF | 65 | 32 | 35 | 16 | 5 |
| 16 | 100kV-500pF | 50 | 54 | 58 | 12 | 5 |
| 17 | 100kV-2000pF | 51 | 32 | 35 | 16 | 5 |
| 18 | Insulator type 100kV-1500pF | 68 | 36 | 40 | 16 | 5 |
| 19 | 150kV-820pF | 65 | 95 | 100 | 12 | 5 |
| 20 | 200kV-600pF | 50 | 90 | 94 | 16 | 5 |
In the high-voltage power communications sector, product reliability stems not only from design and manufacturing but also from a comprehensive verification system. We have established a comprehensive verification platform, spanning material, device, and system levels, to ensure that every high-voltage doorhandle capacitor delivers exceptional performance under real-world operating conditions.
Our verification system encompasses four key dimensions: At the material level, we use analytical techniques such as scanning electron microscopy and X-ray diffraction to ensure the microstructural consistency of dielectric materials. At the device level, we employ an automated testing system to subject each capacitor to a 72-hour burn-in screening process, including high-temperature and high-humidity load testing, temperature cycling testing, and surge testing. At the system level, through in-depth collaboration with major PLC equipment manufacturers, we verify product compatibility and reliability in real-world communication systems. At the field level, we have established an application monitoring network covering diverse climate conditions to continuously collect real-world performance data.
This verification system ensures that our products not only comply with standards such as IEC 60358 and GB/T 4705, but also adapt to the complex operating conditions found in real-world applications. In a large-scale application in a provincial power grid, our high-voltage door handle capacitors have achieved an excellent record of zero failures in three years of installation on 3,000 nodes, proving the effectiveness of this verification system.
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From the lab to the field: A comprehensive verification system for high-voltage doorhandle capacitors Images
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