HXGN26-40.5(F, Z) Gas-insulated Metal-enclosed Switchgear for Offshore Wind Power
Main Features:
Standardized complete sets factory-assembled based on offshore wind power standard ring network connection schemes DV, DCV, DCCV
Primary and secondary connections between cabinets completed at the factory, with standardized mounting base
Compact and lightweight design, easily passing through wind turbine tower doors
Low maintenance cost, maintenance-free throughout a 30-year service life
Standardized modular design, enabling flexible combinations
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Project |
Unit |
Parameters |
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Rated voltage |
kV |
40.5 |
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Rated frequency |
Hz |
50 |
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Rated current of main bus |
A |
630 |
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Rated current |
A |
630 |
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Rated insulation level |
1min power frequency withstand voltage |
Interphase, relatively |
kV |
95 |
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fracture |
118 |
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Lightning impulse withstand voltage (peak) |
Interphase, relatively |
185 |
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Fracture |
215 |
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Rated short-circuit breaking current |
kA |
20/25/31.5 |
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Rated short-circuit closing current |
kA |
50/63/80 |
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Rated short-time withstand current (4S) |
kA |
20/25/31.5 |
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Rated peak withstand current |
kA |
50/63/80 |
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Main circuit resistance |
≤ 0.05% |
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SF6 gas |
Rated charging pressure (20℃, gauge pressure) |
Mpa |
0.04 |
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Minimum functional pressure (20℃, gauge pressure) |
0.01 |
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Pressure of pressure release device (20℃, gauge pressure) |
0.1 |
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Annual leakage rate of SF6 gas |
- |
≤ 0.05% |
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Protection class of equipment enclosure |
- |
IP3X |
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Overall dimension (W×D×H) |
mm |
430 × 890 × 2600 |
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Weight |
kg |
350 |
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