OEZ electrical components Germany OEZ models OEZ prices

OEZ electrical components are devices that change AC voltage using the principle of electromagnetic induction. The main components are the primary winding, secondary winding, and iron core (magnetic core). Main functions include: voltage transformation, current transformation, impedance transformation, isolation, and voltage stabilization (magnetic saturation transformers). Transformers can be classified by application into: distribution transformers, power transformers, fully sealed transformers, combined transformers, dry-type transformers, oil-immersed transformers, single-phase transformers, electric furnace transformers, rectifier transformers, reactors, anti-interference transformers, lightning protection transformers, box-type substation test transformers, phase-shifting transformers, high-current transformers, excitation transformers, etc.

OEZ electrical component classification

A self-inductor generates a magnetic field around the coil when current flows through it. When the current in the coil changes, the surrounding magnetic field changes accordingly, inducing an electromotive force (EMF) in the coil itself (induced EMF; EMF represents the terminal voltage of an ideal power source for active components). This is self-induction. An electronic component made by winding wire with a specific number of turns, capable of producing a certain amount of self-inductance or mutual inductance, is commonly called an inductor coil. To increase inductance, improve the quality factor, and reduce size, a core made of ferromagnetic material (iron core or magnetic core) is often added. Basic parameters of inductors include inductance, quality factor, inherent capacitance, stability, rated current, and operating frequency. An inductor composed of a single coil is called a self-inductor, and its self-inductance is also known as the self-inductance coefficient. A mutual inductor consists of two inductor coils placed close to each other; a change in the magnetic field of one coil affects the other. This effect is called mutual inductance. The magnitude of mutual inductance depends on the self-inductance of the coils and the degree of coupling between them. Components manufactured based on this principle are called mutual inductors.

OEZ electrical component features

Among various switches, there is a component with the ability to 'sense' objects approaching it: the displacement sensor. Using the sensitivity of the displacement sensor to approaching objects to control the opening or closing of a switch is known as a proximity switch. When an object moves toward the proximity switch and reaches a certain distance, the displacement sensor 'senses' it, and the switch activates. This distance is usually called the 'detection distance.' Different proximity switches have different detection distances. Sometimes, detected objects move toward the proximity switch one by one at certain time intervals and then leave one by one, repeating continuously. Different proximity switches have different response capabilities to detection objects. This response characteristic is called 'response frequency.'

OEZ electrical component applications

Basic circuits of analog integrated circuits include current sources, single-stage amplifiers, filters, feedback circuits, and current mirror circuits. Higher-level basic circuits composed of these include operational amplifiers and comparators. Even higher-level circuits include switched-capacitor circuits, phase-locked loops, and ADC/DAC. Based on the response relationship between output and input signals, analog integrated circuits can be divided into two categories: linear integrated circuits and nonlinear integrated circuits. The output of the former usually has a linear relationship with the input signal; the output signal shape is similar to the input signal, only amplified by a fixed coefficient. In contrast, the output signal of nonlinear integrated circuits has a nonlinear response to the input signal, such as square or logarithmic relationships, hence the name nonlinear circuits. Common nonlinear circuits include oscillators, timers, and phase-locked loop circuits. Typical applications of analog integrated circuits are shown in the figure below. External natural signals collected by various sensors (temperature, humidity, optical, piezoelectric, acoustic, etc.) or antennas are preprocessed by analog circuits and converted into suitable digital signals for input into digital systems. Signals processed by the digital system are then post-processed by analog circuits and converted into analog outputs such as sound, images, and radio waves.

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