2026-30-C3

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Gas discharge tube arresters (GDT) are used for protection against electromagnetic pulses caused by electrical over voltage. They have been used in many applications since they were first developed in 1919. 2026-30-C3 is one such example of a GDT which is designed for high voltage and high energy applications. In this article we will discuss the applications and working principle of the 2026-30-C3.

The 2026-30-C3 is designed for use in high voltage applications, such as substations and power transmission lines. The arrester consists of a sealed, metal cylinder containing a number of electrodes, an insulating gap, and a ceramic seal. When voltage is applied across the electrodes, the gap creates an ionized path to reduce the electric field strength, while the ceramic seal prevents moisture from entering the arrester. This prevents arc-over and increases the lifetime of the arrester.

In terms of performance, the 2026-30-C3 has an Impulse-Withstand Voltage (IWV) rating of 3,000 kV (kilovolts). This means that it can withstand pulses of up to 3,000 kV without sustaining any damage. Additionally, the arrester has a maximum standby voltage rating of 260 kV, meaning it can safely handle voltages up to this level without triggering discharge. The arrester’s fast response time also ensures that any transient or overvoltage events are quickly and safely dissipated.

The working principle of 2026-30-C3 is that of a spark gap, which is a device designed to protect against high voltage pulses. In a spark gap, a gas-filled chamber has two electrodes placed in close proximity, with the gap between them providing insulation. When the voltage potential increases beyond a certain threshold, the spark gap will trigger a spark to jump the gap, reducing the voltage and dissipating the energy. In the 2026-30-C3, this is performed by the gap between the electrodes and the insulating ceramic seal, which provide the necessary insulation and enable the spark to jump.

In addition to providing protection against damaging voltage pulses, the 2026-30-C3 can also be used to protect against electrical noise. The arrester can be connected to the power line using appropriate circuitry to detect electrical noise and act as a low-pass filter, allowing only frequencies below a certain threshold to pass. This can help reduce the effects of electrical noise on appliances connected to the same power line.

The 2026-30-C3 has been used for various applications, including telecommunications, industrial process control systems, power plants, commercial electrical systems, and computer networks. It is an effective tool for protecting against electrical overvoltages and providing noise filtering. Its fast response time, long life, and high IWV rating make it a popular choice for many applications.

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