Procentec electrical components Germany Procentec model Procentec price

Procentec electrical component is a transducer that converts guided waves propagating on a transmission line into electromagnetic waves propagating in an unbounded medium (usually free space), or performs the reverse conversion. It is the component used in radio equipment to transmit or receive electromagnetic waves. Engineering systems such as radio communication, broadcasting, television, radar, navigation, electronic countermeasures, remote sensing, and radio astronomy, which use electromagnetic waves to transmit information, all rely on antennas for operation. In addition, in terms of transmitting energy using electromagnetic waves, non-signal energy radiation also requires antennas. General antennas possess reciprocity, meaning the same antenna can be used as both a transmitting antenna and a receiving antenna. The basic characteristic parameters of the same antenna for transmission or reception are identical. This is the antenna reciprocity theorem. As we know, radio equipment such as communication, radar, navigation, broadcasting, and television devices transmit information via radio waves and require the radiation and reception of radio waves. In radio equipment, the device used to radiate and receive radio waves is called an antenna. The antenna provides the necessary coupling between the transmitter or receiver and the medium through which radio waves propagate. Like the transmitter and receiver, the antenna is also an important component of radio equipment.

Procentec electrical component function

In DC circuits, a capacitor is equivalent to an open circuit. A capacitor is a component capable of storing electric charge and is one of the most commonly used electronic components. Starting with the structure of a capacitor: the simplest capacitor consists of two end plates and an insulating dielectric medium in between (including air). When energized, the plates become charged, forming a voltage (potential difference). However, due to the insulating material in between, the entire capacitor does not conduct electricity. Nevertheless, this situation holds under the premise that the critical voltage (breakdown voltage) of the capacitor is not exceeded. We know that any material is relatively insulating; when the voltage across a material increases to a certain level, the material can conduct electricity. We call this voltage the breakdown voltage. Capacitors are no exception; once a capacitor breaks down, it is no longer an insulator. However, at the secondary school level, such voltages are not encountered in circuits, so they operate below the breakdown voltage and can be regarded as insulators. However, in AC circuits, because the direction of current changes over time according to a specific functional relationship, and the charging and discharging process of a capacitor takes time, a changing electric field is formed between the plates, and this electric field is also a function of time. In reality, current passes through the capacitor in the form of an electric field.

Procentec electrical component function

In DC circuits, a capacitor is equivalent to an open circuit. A capacitor is a component capable of storing electric charge and is one of the most commonly used electronic components. Starting with the structure of a capacitor: the simplest capacitor consists of two end plates and an insulating dielectric medium in between (including air). When energized, the plates become charged, forming a voltage (potential difference). However, due to the insulating material in between, the entire capacitor does not conduct electricity. Nevertheless, this situation holds under the premise that the critical voltage (breakdown voltage) of the capacitor is not exceeded. We know that any material is relatively insulating; when the voltage across a material increases to a certain level, the material can conduct electricity. We call this voltage the breakdown voltage. Capacitors are no exception; once a capacitor breaks down, it is no longer an insulator. However, at the secondary school level, such voltages are not encountered in circuits, so they operate below the breakdown voltage and can be regarded as insulators. However, in AC circuits, because the direction of current changes over time according to a specific functional relationship, and the charging and discharging process of a capacitor takes time, a changing electric field is formed between the plates, and this electric field is also a function of time. In reality, current passes through the capacitor in the form of an electric field.

Procentec electrical component principle

The basic working principle of fiber optic sensors is to guide light from a light source through an optical fiber into a modulator. After the parameter to be measured interacts with the light entering the modulation region, the optical properties of the light (such as intensity, wavelength, frequency, phase, polarization state, etc.) change, resulting in modulated signal light. The measurement is then completed by utilizing the influence of the measured quantity on the transmission characteristics of the light. There are two types of measurement principles for fiber optic sensors: (1) Principle of intrinsic fiber optic sensors: Intrinsic fiber optic sensors utilize the sensitivity of the optical fiber to environmental changes to convert input physical quantities into modulated optical signals. Their working principle is based on the optical modulation effect of the fiber, i.e., the phenomenon where its light transmission characteristics, such as phase and light intensity, change when external environmental factors such as temperature, pressure, electric field, and magnetic field change. Therefore, if the changes in optical phase and light intensity passing through the fiber can be measured, the changes in the measured physical quantity can be determined. Such sensors are also known as sensitive element type or functional fiber optic sensors. The point source beam of the laser is diffused into parallel waves and split into two paths by a beam splitter: one is the reference path, and the other is the measurement path. External parameters (temperature, pressure, vibration, etc.) cause changes in fiber length and optical phase, thereby generating different numbers of interference fringes. By counting their lateral movement, temperature or pressure can be measured. (11) Principle of extrinsic fiber optic sensors: Extrinsic fiber optic sensors are measurement systems composed of optical detection elements (sensitive elements), optical fiber transmission loops, and measurement circuits. Here, the optical fiber serves only as the propagation medium for light, so they are also called non-functional or light-transmitting fiber optic sensors.

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