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Help CenterThree Phase High Voltage Vacuum Circuit Breaker for Wind Farm Applications
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As a specialized manufacturer of electrical equipment, Jinhua Dika Electrical Equipment Co., Ltd. leverages its ISO9001-certified production expertise to deliver robust Three Phase High Voltage Vacuum Circuit Breakers engineered for demanding wind farm environments. With over $1 million in annual exports and a presence across 15 global markets including North America and Europe, our solutions ensure grid reliability while minimizing maintenance downtime.
This breaker features vacuum interruption technology that eliminates arc-chute maintenance and withstands coastal corrosion – critical for offshore wind installations. The spring-operated mechanism enables 0.1-second tripping during fault currents, protecting transformers and inverters from voltage surges caused by turbine switching transients.
Key technical specifications include:
| Parameter | Value |
|---|---|
| Rated Voltage | 12kV - 40.5kV |
| Breaking Current | 25kA - 63kA |
| Mechanical Life | 20,000 operations |
| Ambient Temperature | -30°C to +65°C |
Wind Farm-Specific Advantages:
- Sealed vacuum chambers prevent humidity ingress in coastal environments
- Integrated surge arrestors mitigate switching overvoltages
- Low operating energy (≤120W) reduces substation auxiliary power load
- Retrofit-compatible design for existing switchgear modernization
For wind farm operators, this translates to:
- 15% lower lifecycle costs versus SF6 alternatives
- 99.5% availability guarantee through reduced maintenance intervals
- Compliance with IEC 62271-100 & IEEE C37.04 grid codes
Global Reliability: With shipments from Shanghai, Tianjin, Guangzhou, and Ningbo ports reaching customers in 6 continents, our circuit breakers have been deployed in over 200 wind farms worldwide. The 50-person engineering team provides region-specific adaptations for Arctic cold starts (down to -40°C optional) or tropical humidity resistance.
FAQ Section
Q: What maintenance intervals are required?
A: Visual inspections annually with full dielectric testing every 8 years – significantly less than air-blast breakers.
Q: Can it interface with SCADA systems?
A: Yes, integrated MODBUS RTU interfaces enable remote status monitoring and automated switching.
Q: Is seismic protection available?
A: Optional seismic reinforcement kits rated for Zone 4 (IEC 62271-3) can be specified.
Q: What's the lead time for 35kV units?
A: Standard configurations ship in 8 weeks; express 4-week production is available.
Q: Do you provide testing reports?
A> Complete KEMA type tests and individual routine test reports accompany every shipment.
Q: Can it replace older oil-filled breakers?
A: Yes, our retrofit kits include adapter plates and extended drawout rails for seamless replacement.
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