GTCN28-231L-P05

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Gas Discharge Tube Arresters (GDT) are widely used for lightning protection and overvoltage protection in a broad range of context. One example of a commonly used GDT is the GTCN28-231L-P05, a powerful three-phase lightning protection device featuring a high-voltage capacity and a strong lightning current withstand. It is used often in industrial production and hazardous areas, both for its superior surge protection qualities and overall cost-efficiency.

A GTCN28-231L-P05 GDT comprises three main modules: the housing, the terminal block, and the core module arrester. The housing is made of high-tensile stainless steel which provides a robust exterior for the arrester. The terminal block is made of insulation material and connects the unit to the power supply cables. The core module arrester is made of an external insulating material and internally contains a zinc oxide varistor. When the arrester is connected to the power supply, the zinc oxide varistor works to protect the power supply from damaging or overvolt course.

This GTCN28-231L-P05 is specifically designed to divert and attenuate high-voltage surges, primarily generated by lightning strikes. The flexible design of the GDT allows it to be used for a variety of wind turbine-specific load rate and lightning protection circuits. Additionally, the arrester has been pre-calibrated and tested to ensure that it meets the highest standards of safety and reliability.

The mechanisms of protection provided by a GTCN28-231L-P05 rely on the instantaneous discharge of electrical energy using the zinc oxide varistor, which acts as a spark gap when subjected to a high-voltage surge. When a surge is detected, the varistor becomes an electrical conductor and rapidly begins discharging the energy from the conductor to the terminal block. This rapid energy transfer stops the surge from entering the power supply and damaging any of the connected components.

The GTCN28-231L-P05 is comprised of three main components: an RS485 communication module, an independent lighting protection module, and a Helical copper coil grounding module. The RS485 module ensures the coordinator’s power supply is monitored , whilst the lightning protection module safeguards the system from powerful electric shocks. Lastly, the helical copper coil module provides an effective grounding medium for the system. The load shedding feature of GTCN28-231L-P05 further bolsters its surge protection capabilities, as the device automatically drops out of service during lightning strikes, thus providing an extra safeguard for the system.

The GTCN28-231L-P05 is also equipped with an automatic reset feature. This design ensures that, once the surge has passed and the system is back to normal, the device will automatically reset itself and go back into service. This quick reset feature also helps to eliminate any additional operational costs associated with manual device resetting.

In conclusion, the GTCN28-231L-P05 is an effective and cost-efficient solution for surge protection, lightning protection, and overvoltage protection. With its robust stainless steel housing, lightning protection module, an helical copper coil grounding module, and automatic reset feature, the GTCN28-231L-P05 provides reliable, cost-effective protection against damaging high-voltage surges.

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