Cabur electrical components Germany Cabur model Cabur price

Cabur electrical components are commonly used temperature-sensing elements in temperature measurement instruments. They directly measure temperature and convert the temperature signal into a thermoelectric EMF signal, which is then converted into the temperature of the measured medium by an electrical instrument (secondary instrument). The external shapes of various thermocouples often differ significantly depending on requirements, but their basic structures are largely similar, typically consisting of main parts such as hot electrodes, insulating protective tubes, and terminal blocks. They are usually used in conjunction with display instruments, recording instruments, and electronic regulators. In industrial production processes, temperature is one of the important parameters that need to be measured and controlled. In temperature measurement, thermocouples are widely used due to many advantages such as simple structure, ease of manufacturing, wide measurement range, high accuracy, low inertia, and output signals suitable for long-distance transmission. Additionally, since a thermocouple is a passive sensor that does not require an external power supply during measurement, it is very convenient to use and is often employed to measure the temperature of gases or liquids inside furnaces and pipelines, as well as the surface temperature of solids.

Cabur electrical component composition

Transformer components include the core assembly (core, windings, insulation, leads), transformer oil, tank and cooling device, voltage regulation device, protection devices (breather, safety air duct, gas relay, oil conservator, and temperature measurement device, etc.), and bushings. Specific composition and functions: (1) The core is the main magnetic circuit part of the transformer. It is usually made by stacking hot-rolled or cold-rolled silicon steel sheets with high silicon content and coated with insulating varnish. The core is divided into two parts: the core column and the yoke. The core column is fitted with windings; the yoke is used to close the magnetic circuit. (2) The winding is the circuit part of the transformer, wound using double-insulated flat wire or enamel-coated round wire. The basic principle of a transformer is electromagnetic induction. Taking a single-phase two-winding transformer as an example to illustrate its basic working principle: when voltage is applied to the primary winding, current flows, generating alternating magnetic flux in the core. This flux is called the main magnetic flux. Under its influence, electromotive forces are induced in the windings on both sides, finally driving the transformer control device.

Cabur electrical component classification

According to different structures, they are divided into full-availability trunks, partial-availability trunks, and link systems; according to different service methods, they are divided into loss-system trunks and waiting-system trunks (see random service systems); according to the number of traffic sources served, they are divided into infinite-source trunks and finite-source trunks. In telecommunication systems, equipment directly used for communication between users is mostly infinite-source loss-system full-availability link systems, while equipment used to control the connection process of communication devices is mostly infinite-source waiting-system full-availability systems. When the number of traffic sources is not large relative to the trunk capacity, finite-source full-availability systems or partial-availability systems are generally adopted. Based on the call behavior of traffic sources, i.e., whether users make new call attempts after a failed call, trunks can be divided into repeated-call systems and non-repeated-call systems. Actual communication systems all involve repeated calls; non-repeated-call systems are an approximation of repeated-call systems. (1) Full-availability trunk. If any service device (trunk line or selector) in the trunk can be used by any traffic source in the group of traffic sources it serves, such a trunk is called a full-availability trunk. (2) Partial-availability trunk. If any traffic source in the traffic source group can only use part of the service devices in the trunk, such a trunk is called a partial-availability trunk. Partial-availability trunks divide the traffic source group into several subgroups, performing grading multiple connections between the outlets of the traffic groups. This structure can be described by the example shown in the figure below.

Cabur electrical component classification

An inductor generates a magnetic field around the coil when current passes through it. When the current in the coil changes, the surrounding magnetic field also changes correspondingly. This changing magnetic field induces an electromotive force (induced EMF) in the coil itself (EMF is used to represent the terminal voltage of the ideal power source of an active component), which is self-inductance. An electronic component made by winding wire with a certain number of turns, capable of producing a certain amount of self-inductance or mutual inductance, is often called an inductor coil. To increase the inductance value, improve the quality factor, and reduce the volume, a core made of ferromagnetic material, such as an iron core or magnetic core, is often added. The basic parameters of an inductor 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 refers to the phenomenon where, when two inductor coils are close to each other, the 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 the two inductor coils. Components manufactured based on this principle are called mutual inductors.

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