Biviator electrical components Germany Biviator model Biviator price

Biviator electrical components are current fuses that provide overload protection. When a circuit fault or abnormality occurs, the current continues to rise. This rising current may damage certain important devices in the circuit, burn out the circuit, or even cause a fire. If a fuse is correctly installed in the circuit, it will melt and cut off the current when the current abnormally rises to a certain level and temperature, thereby protecting the safe operation of the circuit. With the fuse correctly installed in the circuit, the fuse will melt and cut off the current when the current abnormally rises to a certain level and temperature, protecting the safe operation of the circuit. The fuse invented by Edison was used to protect the expensive incandescent lamps of the time. With the development of the times, fuses protect power equipment from damage due to overcurrent and overheating, avoiding serious damage to electronic equipment caused by internal faults.

Biviator electrical component function

The self-induced electromotive force in an inductor coil always opposes the change in current within the coil. The inductor coil impedes alternating current; the magnitude of this impedance is called inductive reactance xl, measured in ohms. Its relationship with inductance l and AC frequency f is xl=2πfl. Inductors are mainly classified into high-frequency choke coils and low-frequency choke coils. An inductor coil connected in parallel with a capacitor can form an lc tuned circuit. That is, when the natural oscillation frequency f0 of the circuit equals the frequency f of the non-AC signal, the inductive reactance and capacitive reactance of the loop are equal. Electromagnetic energy then oscillates back and forth between the inductor and the capacitor; this is the resonance phenomenon of the lc loop. At resonance, the inductive reactance and capacitive reactance of the circuit are equal in magnitude but opposite in direction. The total inductive reactance of the loop is minimal, and the current is maximal (referring to AC signals where f="f8"). The lc resonant circuit has a frequency selection function, capable of selecting AC signals of a specific frequency f.

Biviator electrical component principle

A transformer is a device that changes AC voltage using the principle of electromagnetic induction. Its main components are the primary winding, secondary winding, and iron core (magnetic core). In electrical equipment and wireless circuits, it is commonly used for stepping voltage up or down, impedance matching, and safety isolation. In generators, whether the coil moves through a magnetic field or the magnetic field moves through a fixed coil, an electromotive force is induced in the coil. In both cases, the value of the magnetic flux remains unchanged, but the amount of magnetic flux linking the coil varies; this is the principle of mutual induction. A transformer is a device that uses electromagnetic mutual induction to transform voltage, current, and impedance.

Biviator electrical component structure

Inductors generally consist of a bobbin, winding, shield, encapsulation material, and magnetic core or iron core. 1, Bobbin: The bobbin refers to the support for winding the coil. For most larger fixed inductors or adjustable inductors (such as oscillator coils and chokes), enameled wire (or silk-covered wire) is wound around the bobbin, and a magnetic core, copper core, or iron core is inserted into the inner cavity of the bobbin to increase inductance. Bobbins are usually made of plastic, bakelite, or ceramic and can be shaped according to actual needs. Small inductors (such as color-coded inductors) generally do not use bobbins but wind the enameled wire directly onto the magnetic core. Air-core inductors (also known as former-less coils or air coils, mostly used in high-frequency circuits) do not use magnetic cores, bobbins, or shields. Instead, they are wound on a mold, which is then removed, and the turns of the coil are spaced apart by a certain distance. 2, Winding: The winding refers to a set of coils with specified functions and is the basic component of an inductor. Windings are divided into single-layer and multi-layer types. Single-layer windings come in two forms: close-wound (where wires are wound turn by turn adjacent to each other) and space-wound (where a certain distance is maintained between each turn). Multi-layer windings include layered flat winding, random winding, and honeycomb winding, among others. 3, Magnetic Core and Magnetic Rod: Magnetic cores and rods are generally made of materials such as nickel-zinc ferrite or manganese-zinc ferrite. They come in various shapes, including "I" shape, cylindrical, cap shape, "E" shape, and pot shape. 4, Iron Core: Iron core materials mainly include silicon steel sheets and permalloy, and their shape is mostly "E" type. 5, Shield: To prevent the magnetic field generated by some inductors during operation from affecting the normal operation of other circuits and components, a metal shield is added (such as for oscillator coils in semiconductor radios). Using a shield increases coil loss and reduces the Q value. 8, Encapsulation Material: Some inductors (such as color-coded inductors and color-ring inductors) are sealed with encapsulation material after winding. The encapsulation material is typically plastic or epoxy resin.

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