GTCA28-801L-R05

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Gas discharge tube arresters (GDT) are an important component of electric power systems to protect the electrical equipment against lightning stroke damage and ground fault damage. GTCA28-801L-R05 is an advanced type of Gas Discharge Tube Arresters (GDT) offered by Cambridge Electronics. It is a low capacitance, high speed and highly reliable GDT suitable for high-voltage power transmission and distribution systems.

The GTCA28-801L-R05 arrester is composed of a surge arrester section and a ground fault protector section. The surge arrester part consists of two optical gas discharge tubes (OGDTs) that are connected in series. These OGDTs serve the purpose of protecting the system against lightning stroke surge stress. It also contains a high-speed auxiliary switch (HSA) to increase the arrester\'s response time to lightning stroke surge stress.

The ground fault protector part consists of a transition section that is connected to the OGDTs, a ground fault detector (GFD) and an arc furnace. The transition section is made of three insulated rods that are situated in a hexagonal array. This is designed to ensure uniform distribution of current during ground fault detection and arc fault. The GFD is used to detect any ground faults that may occur in the electric power system. The arc furnace is used to disconnect the faulted circuit from the system as soon as ground fault detection is made.

The GTCA28-801L-R05 arrester is designed to meet the protection and reliability requirements of the electrical power system. The combination of the OGDTs and GFD, along with the arc furnace provides a highly reliable surge and fault protection. Furthermore, the arrester provides high-speed response and low capacitance to prevent the system from any transient overvoltage stresses.

The GTCA28-801L-R05 is suitable for AC systems operating between 10kV and 36kV and can be used to protect electric power systems from lightning strike surges, ground fault currents and arc faults. It is suitable for both indoor and outdoor locations and can be mounted directly on the equipment or on the distribution system. The arrester has a long service life and requires minimal maintenance, making it an ideal solution for remote locations or difficult-to-access places. Its compact size also makes it suitable for installations in limited spaces.

The GTCA28-801L-R05 is an ideal choice for protecting electrical power systems from lightning strike surges, ground fault currents and arc faults. It offers a highly reliable surge and ground fault protection, with a low capacitance and high-speed response. With its long service life and low maintenance requirements, it is a suitable solution for protecting power systems in remote locations or difficult-to-access places.

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