QUINT-PS/1AC/24DC/ 5 electrical components Germany QUINT-PS/1AC/24DC/ 5 model QUINT-PS/1AC/24DC/ 5 price

QUINT-PS/1AC/24DC/ 5 electrical component refers to an electrical device that disconnects the circuit by melting the fuse element with the heat generated by itself when the current exceeds the specified value. A fuse is a current protection device made based on the principle that when the current exceeds the specified value for a period of time, the heat generated by itself melts the fuse element, thereby disconnecting the circuit. Fuses are widely used in high and low voltage distribution systems, control systems, and electrical equipment as protectors against short circuits and overcurrents, and are one of the most commonly used protective devices. A metal conductor is used as the fuse element connected in series in the circuit. When overload or short-circuit current passes through the fuse element, it melts due to its own heating, thereby breaking the circuit. Fuses have a simple structure and are easy to use, and are widely used as protective devices in power systems, various electrical equipment, and household appliances.

QUINT-PS/1AC/24DC/ 5 electrical component principle

Two conductors of different compositions (called thermocouple wires or thermoelectrodes) are joined at both ends to form a loop. When the temperatures at the two junctions are different, an electromotive force is generated in the loop. This phenomenon is called the thermoelectric effect, and this electromotive force is called thermoelectric potential. Thermocouples use this principle for temperature measurement. The end directly used to measure the temperature of the medium is called the working end (also known as the measuring end), and the other end is called the cold end (also known as the compensation end). The cold end is connected to a display instrument or matching instrument, which indicates the thermoelectric potential generated by the thermocouple. A thermocouple is actually an energy converter that converts thermal energy into electrical energy and uses the generated thermoelectric potential to measure temperature. Regarding the thermoelectric potential of thermocouples, attention should be paid to the following issues: 1, the thermoelectric potential of a thermocouple is the difference between the temperature functions at the two ends of the working end of the thermocouple, not a function of the temperature difference between the cold end and the working end; 2, the magnitude of the thermoelectric potential generated by a thermocouple, when the thermocouple material is uniform, is independent of the length and diameter of the thermocouple, and depends only on the composition of the thermocouple material and the temperature difference between the two ends; 3, after the material composition of the two thermocouple wires is determined, the magnitude of the thermoelectric potential depends only on the temperature difference of the thermocouple; if the temperature of the cold end of the thermocouple is kept constant, the thermoelectric potential of the thermocouple is then a single-valued function of the working end temperature. Weld two conductors or semiconductors of different materials, A and B, to form a closed loop, as shown in the figure. When there is a temperature difference between the two junction points 1 and 2 of conductors A and B, an electromotive force is generated between them, thus forming a current of a certain magnitude in the loop. Thermocouples work by utilizing this effect.

QUINT-PS/1AC/24DC/ 5 electrical component principle

Inductance is the ratio of the magnetic flux in a wire to the current producing this magnetic flux, where alternating current flows through the wire, generating alternating magnetic flux inside and around the wire. When direct current flows through an inductor, only fixed magnetic field lines appear around it, which do not change with time; however, when alternating current flows through a coil, magnetic field lines that change with time appear around it. Analyzing according to Faraday's law of electromagnetic induction—magnetism generates electricity—changing magnetic field lines will generate an induced electromotive force at both ends of the coil, which is equivalent to a "new power source". When a closed loop is formed, this induced electromotive force will generate an induced current. According to Lenz's law, the total magnetic field lines generated by the induced current strive to prevent the change of the original magnetic field lines. Since the change in the original magnetic field lines originates from the change in the externally applied alternating power source, objectively speaking, the inductor coil has the characteristic of resisting changes in current in an AC circuit. Inductor coils have characteristics similar to inertia in mechanics, named "self-induction" in electrical engineering. Usually, sparks occur at the moment of opening or closing a knife switch, which is caused by the high induced electromotive force generated by the self-induction phenomenon.

QUINT-PS/1AC/24DC/ 5 electrical component characteristics

Under normal circumstances, the actual static characteristic output of a sensor is a curve rather than a straight line. In practical work, in order to enable the instrument to have uniformly scaled readings, a fitted straight line is often used to approximately represent the actual characteristic curve. Linearity (non-linear error) is a performance indicator of this degree of approximation. There are various methods for selecting the fitted straight line. For example, the theoretical straight line connecting the zero input and full-scale output points is used as the fitted straight line; or the theoretical straight line with the minimum sum of squared deviations from each point on the characteristic curve is used as the fitted straight line, which is called the least squares fitted straight line.

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