FWP-100A22FI

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FWP-100A22FI application field and working principle

As part of the electrical power systems that are widely used throughout the world, specialty fuses have been developed to provide protection for key components in these systems and guarantee safe operation in varying environments. FWP-100A22FI is a type of specialty fuse designed for current limiting in high-voltage systems. This article will address the applications and functioning of the FWP-100A22FI fuse.

Applications

The FWP-100A22FI fuse, like other specialty fuses, are designed to provide protection for power transmission and distribution as well as other electrical devices. FWP-100A22FI fuses specifically are designed for use in high voltage power systems and are often integrated in electrical distribution systems. They are used to protect circuit components from short-circuits and current overloads by limiting the maximum current within the circuit and thus prevent damage to the components. In certain conditions, they are also used to prevent arc flashes.

Working principle

The working principle of FWP-100A22FI fuse is based on the physical characteristics of the fuse wire. The fuse wire is a fine wire composed of a blend of two or more metals. This particular blend allows the fuse wire to have a low melting point and heat up fast. When the electric current flowing through the fuse exceeds the lead threshold, the fuse wire heats up and melts due to its oxidation, thus breaking the circuit and limiting its current. When the current drops below the lead threshold, the fuse cools down and re-establishes the connection across the fuse. This kind of fuse also has an added advantage; they limits the total arc energy and thus reduce the chances of arc flashes.

In theory, the FWP-100A22FI fuse operates as a short-circuit. It is connected in series to the phase-line of the circuit and when an overload or fault occurs the series is disconnected and the current is interrupted to protect the components of the circuit. The fuse must be rated to meet the specific requirements of the device and system it is used in to ensure proper protection.

Conclusion

FWP-100A22FI fuses offer a reliable and safe option for overcurrent protection in high-voltage systems. They are designed for series connection and operate on the principle of wire heating and melting. Due to their design they are able to limit the total arc energy, thus reducing the chances of arc flashes. When selecting a fuse, it is important to ensure that all fuse ratings meet the specific requirements of the devices or systems for which it is used.

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