In modern communication, security, and weak current systems, the threat of lightning always exists. The ground flashback protective box, as an integration of a lightning protection box and an SPD for lightning protection (Surge Protection Device) discharge unit, has become an important equipment to counter the lightning threat. It can effectively protect equipment from lightning, ground potential back-strike, and surges, ensuring the safe and stable operation of the system.
Lightning Protection Function
The ground flashback protective box provides lightning current discharge protection for protected equipment and ensures that the lightning current does not damage the equipment through a low residual voltage design. Its efficient surge protection function can ensure the safety of the equipment, avoiding voltage surges caused by lightning strikes and surges.
Suppressing Ground Potential Back-strike
When lightning current discharges underground, the network potential may rise, causing equipment to suffer from ground potential back-strike. The ground flashback protective box effectively reduces the probability of ground potential back-strike through special design, with a back-strike suppression ratio of ≥30dB, ensuring safe system operation.
Relaxed Grounding Resistance Requirements
It reduces the response sensitivity to the grounding resistance value, allowing for relatively high grounding resistance to achieve the same protection effect, simplifying the construction of the grounding system, and reducing engineering difficulty and cost.
Three Grounds Separation
Working grounding, protection grounding, and lightning protection grounding are independent of each other and do not affect each other, ensuring optimal lightning protection effect and preventing grounding interference.
High Current Handling Capacity
Equipped with a thermal backup function, it can withstand a high current handling capacity, preventing large current surges from damaging system equipment and enhancing the protective capability of the system.
Low Residual Voltage Design
Works in tandem with a surge protector for sale to divide voltage in series and reduce lightning current residual voltage, protecting equipment from voltage surges caused by lightning strikes and extending the equipment's service life.
Low Construction Difficulty and Cost
By relaxing the grounding resistance requirements, the ground flashback protective box lowers the strict requirements for grounding resistance, reducing construction difficulty and time, effectively saving construction costs.
Simple Operation and Maintenance
Supports remote real-time monitoring, making operation and maintenance management convenient. Periodic inspections can be conducted before the rainy season to ensure the system is always in optimal lightning protection state.
Low Voltage Distribution Transformer Protection
Connected between the power system neutral point and the ground, referred to as arc suppression coil or small reactance grounding in the power system, it plays a role in grounding capacitance current caused by single-phase grounding faults and suppresses ground potential rise due to lightning strikes, preventing neutral point breakdown to phase lines that could damage transformers.
Communication Base Stations
It can effectively protect communication equipment from the impact of ground potential rise caused by lightning strikes, ensuring the stability and reliability of the communication system and guaranteeing the normal operation of the smart city communication network.
Smart Light Poles and Data Rooms
In the power systems of smart cities and data centers, the ground flashback protective box provides comprehensive lightning protection, ensuring that critical equipment and infrastructure are free from lightning interference.
New Energy and Building Distribution Systems
Provides reliable lightning protection for new energy facilities and building distribution systems, ensuring long-term stable operation of the systems.
The ground flashback protective box and an SPD, as an integrated weapon of modern lightning protection technology, provide reliable surge protection solutions for communication, security, weak current systems, and transformer protection across multiple fields through its unique design and excellent performance. Its multifunctional integration and intelligent monitoring capability not only enhance system safety and reliability but also reduce the construction difficulty and cost of lightning protection projects. The application of the ground flashback protective box is undoubtedly the best choice to ensure the normal operation of the system, becoming an indispensable core device in the lightning protection system.
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