ARITECH electrical components Germany ARITECH model ARITECH price

ARITECH electrical components consist of wire wound turn by turn around an insulating tube. The wires are mutually insulated, and the insulating tube can be hollow or contain an iron core or magnetic powder core. An inductor coil is a device that operates based on the principle of electromagnetic induction. When current flows through a wire, it generates an electromagnetic field around the wire, and this electromagnetic field induces effects on the wire itself within the field range. The effect on the wire generating the electromagnetic field is called "self-inductance," meaning the changing current produced by the wire itself generates a changing magnetic field, which further affects the current in the wire; the effect on other wires within this electromagnetic field range is called "mutual inductance." The electrical characteristics of an inductor coil are opposite to those of a capacitor: "passes low frequencies, blocks high frequencies." High-frequency signals encounter significant resistance when passing through an inductor coil and are difficult to pass through; whereas the resistance presented to low-frequency signals is relatively small, meaning low-frequency signals can pass through more easily. The resistance of an inductor coil to direct current is almost zero. Resistance, capacitance, and inductance all present a certain resistance to the flow of electrical signals in a circuit, which we call "impedance." The impedance presented by an inductor coil to current signals utilizes the self-inductance of the coil. We sometimes refer to an inductor coil simply as "inductance" or "coil," represented by the letter "L." When winding an inductor coil, the number of turns wound is generally referred to as the "number of turns" of the coil.

ARITECH electrical component classification

Generator classifications include: (1) Generators are divided into: DC generators and AC generators; (2) AC generators are divided into: synchronous generators and asynchronous generators (rarely used); (3) AC generators can also be divided into single-phase generators and three-phase generators. There are many types of generators. Principally, they are divided into synchronous generators, asynchronous generators, single-phase generators, and three-phase generators. By generation method, they are divided into steam turbine generators, hydroelectric generators, diesel generators, gasoline generators, etc. By energy source, they are divided into thermal power generators, hydropower generators, etc.

ARITECH electrical component characteristics

Common types include RC phase-shifting bridge trigger circuits, unijunction transistor trigger circuits, bipolar junction transistor trigger circuits, and trigger circuits using small thyristors to trigger large thyristors, among others. The main parameters of a thyristor are: 1, rated on-state average current IT: the average value of the 50 Hz sinusoidal half-wave current that can continuously pass between the anode and cathode under specified conditions. 2, forward blocking peak voltage VPF: the forward peak voltage that can be repeatedly applied across the thyristor when the gate is open without a trigger signal and the anode forward voltage has not exceeded the conduction voltage. The forward peak voltage withstandable by the thyristor must not exceed this parameter value given in the manual. 3, reverse blocking peak voltage VPR: the reverse peak voltage that can be repeatedly applied across the thyristor when reverse voltage is applied and the thyristor is in the reverse blocking state. During use, this parameter value given in the manual must not be exceeded. 4, trigger voltage VGT: the minimum gate current and voltage required for the thyristor to switch from the off state to the on state when a certain voltage is applied between the anode and cathode at a specified ambient temperature. 5, holding current IH: the minimum anode forward current required to maintain the thyristor in the conducting state at a specified temperature with the gate circuit open. Many new types of thyristor components have been introduced, such as fast thyristors suitable for high-frequency applications, bidirectional thyristors that can be controlled to conduct in both directions using positive or negative trigger signals, and thyristors that can be turned on by a positive trigger signal and turned off by a negative trigger signal, among others.

ARITECH electrical component principles

LCD is a display that uses liquid crystal as the material. Liquid crystals are a class of organic compounds intermediate between the solid and liquid states. At ambient temperature, they exhibit both the fluidity of a liquid and the optical anisotropy of a crystal. When heated, they become a transparent liquid; when cooled, they become a crystalline, opaque solid. Under the influence of an electric field, the alignment of liquid crystal molecules changes, thereby affecting the intensity of light transmitted through the liquid crystal. This change in light intensity is further manifested as a variation in brightness due to the action of polarizers. Accordingly, by controlling the electric field applied to the liquid crystal, variations in light and dark can be achieved, thereby enabling information display. Thus, the function of the liquid crystal material is analogous to an array of small "light valves." Because control and driver circuits are present around the liquid crystal material, when electrodes in the LCD generate an electric field, the liquid crystal molecules twist, causing regular refraction of the light passing through them (the optical activity of the liquid crystal material), which is then filtered by a second polarizer and displayed on the screen. It is worth noting that because liquid crystal materials do not emit light themselves, LCD units typically require an additional light source for the display panel. The primary lighting system is called the "backlight module," in which the backlight plate consists of fluorescent materials that emit light, mainly to provide a uniform backlight source.

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