ELEKTROSYSTEMTE electrical components German ELEKTROSYSTEMTE models ELEKTROSYSTEMTE prices

ELEKTROSYSTEMTE electrical components are high-power electronic components, also known as thyristors. They offer advantages such as compact size, high efficiency, and long service life. In automatic control systems, they can serve as high-power drive devices, enabling low-power control signals to manage high-power equipment. They are widely used in AC/DC motor speed control systems, power regulation systems, and servo systems. Thyristors are classified into unidirectional and bidirectional types. Bidirectional thyristors are also called triac bidirectional thyristors, abbreviated as TRIAC. Structurally, a bidirectional thyristor is equivalent to two unidirectional thyristors connected in reverse parallel, providing bidirectional conduction capability. Its on/off state is determined by the gate G. Applying a positive pulse (or negative pulse) to the gate G enables forward (or reverse) conduction. The advantages of this device include simple control circuitry and no reverse voltage withstand issues, making it particularly suitable for use as an AC contactless switch.

ELEKTROSYSTEMTE electrical component features

Solid-state relays are contactless electronic switches with isolation functionality. They have no mechanical contact parts during switching. Therefore, in addition to having the same functions as electromagnetic relays, solid-state relays are compatible with logic circuits, resistant to vibration and mechanical shock, unrestricted in installation position, and offer good moisture, mold, and corrosion resistance. They also exhibit excellent performance in explosion-proofing and ozone pollution prevention. Other characteristics include low input power, high sensitivity, low control power, good electromagnetic compatibility, low noise, and high operating frequency. With no internal mechanical parts and a fully sealed potting structure, solid-state relays provide benefits such as vibration resistance, corrosion resistance, long service life, and high reliability. AC solid-state relays use zero-crossing triggering technology, resulting in short switching times, making them suitable for higher-frequency applications. Optical isolation is used between the input and output circuits, resulting in very low input power consumption. The output end includes protection circuitry and strong load capacity.

ELEKTROSYSTEMTE electrical component functions

In DC circuits, capacitors act as open circuits. A capacitor is a component capable of storing electric charge and is one of the most commonly used electronic components. Regarding the structure of a capacitor, the simplest type consists of two end plates and an insulating dielectric medium in between (including air). When energized, the plates become charged, creating a voltage (potential difference). However, due to the insulating material in between, the entire capacitor does not conduct electricity. This holds true provided the critical voltage (breakdown voltage) of the capacitor is not exceeded. It is known that all materials are relatively insulating; when the voltage across a material increases to a certain level, the material becomes conductive. We refer to this voltage as the breakdown voltage. Capacitors are no exception; once broken down, they are no longer insulators. However, at the secondary education level, such voltages are not encountered in circuits, so capacitors operate below the breakdown voltage and can be treated as insulators. In AC circuits, however, the current direction changes over time according to a specific functional relationship. The charging and discharging process of a capacitor takes time, forming a changing electric field between the plates, which is also a function of time. In effect, current passes through the capacitor in the form of an electric field.

ELEKTROSYSTEMTE electrical component types

(1) electron tubes are classified by application into voltage amplifier tubes, power amplifier tubes, gas-filled tubes, thyratrons, ignitrons, frequency converter tubes, rectifier tubes, detector tubes, tuning indicator tubes (magic eyes), voltage regulator tubes, etc. (2) Electron tubes are classified by the number of electrodes into voltage amplifier tubes, triodes, tetrodes, pentodes, hexodes, heptodes, octodes, nonodes, and composite tubes. Tubes with more than three electrodes are also called multi-electrode or multi-grid tubes. (3) Electron tubes are classified by form factor and envelope material into bottle-shaped glass tubes (ST tubes), "acorn" tubes, cylindrical glass tubes (GT tubes), large glass tubes (G style tubes), metal-ceramic tubes, miniature tubes (also called peanut or finger tubes, MT tubes), lighthouse tubes (tower tubes), and sub-miniature tubes (pencil-shaped tubes). Four) By internal structure (4) Electron tubes are classified by internal structure into single diodes, diodes, double-diode triodes, dual diodes, single triodes, power pentodes, beam tetrodes, beam pentodes, dual diodes, diode-pentode composite tubes, beam tetrodes, triode-pentode composite tubes, triode-hexode composite tubes, triode-heptode composite tubes, and various beam power types. (5) Electron tubes are classified by cathode heating method into directly heated cathode electron tubes (current passes directly through the cathode to achieve thermionic emission) and indirectly heated cathode electron tubes (the cathode is heated by a filament adjacent to it). (6) Electron tubes are classified by shielding method into sharp-cutoff shielded electron tubes and remote-cutoff shielded electron tubes. (7) Electron tubes are classified by cooling method into water-cooled, air-cooled, and natural convection-cooled electron tubes.

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