HVU-1

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High voltage fuse is an important component in electrical system, and HVU-1 is an advanced type of fuse. It can protect electric cables, AC and DC electric appliances, power system etc. from high voltage impact by quickly reacting to over-current protection. In this article, we\'ll discuss HVU-1 application fields and working principle.

Application Fields

HVU-1 is a reliable over-current protective device, with 2 poles and rated voltage up to 690V. It is mainly used to protect the power-distribution, household appliances, AC/DC wire and cables, communication network, and power system from high voltage, causing the circuit to not function normally or burn out.

The HVU-1 is currently used extensively in a variety of industrial applications, such as:

• Power plants
• Power supply
• Substation
• High-tech industries
• Communication networks

Working Principle

The HVU-1 fuse has the ability to quickly detect and react to high voltage overloads. It works in two ways; Firstly, the current rating is generally set higher than the short circuit current, in order to ensure that any incoming short circuits are detected before the overload current trips; secondly, the temperature inside the fuse tube is increased as current passes through it, thus causing the fuse wire to melt and the circuit to trip.

The fuse will go through three stages when it is working. When the current passing through the fuse is below the rated current, the fuse will still be in the normal condition. When the current exceeds the rated current, the fuse will begin to heat up and this will cause its internal temperature to rise, resulting in the fuse wire melting and breaking the circuit. Finally, when the fuse wire has completely melted, the fuse will be burned out, indicating that it has done its job.

The HVU-1 fuse is also equipped with a temperature monitoring system, which prevents the fuse from overheating due to extended periods of current over its rated value. This safeguard helps to protect the fuse from any possible damage. It is also designed to withstand high-frequency over-currents and surge currents.

Conclusion

The HVU-1 fuse is a reliable and efficient way to protect electric cables, AC/DC electric appliances, power systems and other electrical systems from high voltage overloads. It is used in a variety of industrial applications, including power plants, power supply, substations, communication networks and many other industries. The fuse works by detecting over-current and quickly tripping the circuit. The temperature monitoring system also ensures that the fuse does not become overly hot and is not damaged. The HVU-1 fuse is a reliable and cost-effective way to ensure the safety of an electrical system.

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