| Brand | ROCKWILL |
| Model NO. | CNCLA Series Converter Valve Lightning Arrester |
| Rated voltage | DC 1100kV |
| Series | CNCLA Series |
The converter valve is the core equipment of the UHV converter station, realizing AC-DC conversion. The valve lightning arrester is connected in parallel at both ends of the converter valve to protect it from overvoltage damage.
It can effectively limit the amplitude of overvoltage and restrict the amplitude of overvoltage to a safe level through its internal nonlinear resistance elements, protecting subsequent equipment from high voltage damage.
It can withstand large current impacts and energy releases in a short time, ensuring the stability and safety of the system.
After rigorous design and testing, it can maintain stable performance under various harsh environments and has a long service life.
A compact structural design is adopted to minimize the footprint, facilitating installation and improving system integration and operational efficiency.
| Project |
Value |
| Rated voltage（AC） |
1100kV |
| 4/10µs High Current（kA） |
100 |
| Resistor Disc Energy Tolerance（kJ） |
≥60 |
| Current Distribution Unevenness Coefficient for Multi-Column Parallel Connection |
≤1.05 |
| Aging Coefficient under 110% Valve Waveform |
＜0.9 |
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