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lingg janke electrical components are devices that convert other forms of energy into electrical energy and supply it to circuits (electronic devices). Power sources operate on the principle of electromagnetic induction, generating electricity from renewable sources such as hydropower, wind power, tidal energy, hydrostatic pressure differences in dams, and solar energy, as well as from burning coal and oil residues. A power supply is a device that delivers power to electronic equipment, also known as a power supply unit; it provides the electrical energy required by all components in a computer. The magnitude of the power supply rating, and the stability of current and voltage, directly affect the operating performance and service life of the computer.

lingg janke electrical component characteristics

The static characteristics of a sensor refer to the relationship between the output and input quantities for static input signals. Since the input and output quantities are independent of time in this case, their relationship, i.e., the static characteristics of the sensor, can be described by an algebraic equation without time variables, or by a characteristic curve plotted with the input quantity as the abscissa and the corresponding output quantity as the ordinate. The main parameters characterizing the static characteristics of a sensor include: linearity, sensitivity, hysteresis, repeatability, drift, etc. (1) Linearity: Refers to the degree to which the actual relationship curve between the sensor output and input deviates from the fitted straight line. It is defined as the ratio of the maximum deviation between the actual characteristic curve and the fitted straight line over the full scale range to the full-scale output value. (2) Sensitivity: Sensitivity is an important indicator of the static characteristics of a sensor. It is defined as the ratio of the increment in the output quantity to the corresponding increment in the input quantity that causes this increment. Use S to denote sensitivity. (3) Hysteresis: Hysteresis is the phenomenon where the input-output characteristic curves do not coincide when the input quantity changes from small to large (forward stroke) and from large to small (reverse stroke). For the same magnitude of input signal, the output signals for the forward and reverse strokes of the sensor are not equal; this difference is called the hysteresis error. (4) Repeatability: Repeatability refers to the degree of inconsistency in the characteristic curves obtained when the sensor input undergoes multiple consecutive full-scale changes in the same direction. (5) Drift: Sensor drift refers to the phenomenon where the sensor output changes over time while the input remains constant. There are two causes of drift: one is the sensor's own structural parameters; the other is the surrounding environment (such as temperature, humidity, etc.). (6) Resolution: When the sensor input increases slowly from a non-zero value, an observable change in the output occurs after exceeding a certain increment; this input increment is called the sensor resolution, i.e., the minimum input increment. (7) Threshold: When the sensor input increases slowly from zero, an observable change in the output occurs after reaching a certain value; this input value is called the sensor threshold voltage.

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1. The electrodes are the sites of electrochemical reactions in a fuel cell where the fuel undergoes oxidation and the oxidant undergoes reduction; their performance depends critically on catalyst performance, electrode materials, and electrode manufacturing processes. 2. The main function of the electrolyte membrane is to separate the oxidant from the reductant and conduct ions. 13. The current collector, also known as the bipolar plate, serves to collect current, separate the oxidant from the reductant, and guide reaction gases. The performance of the current collector mainly depends on its material properties, flow field design, and processing technology.

lingg janke electrical component structure

The basic structure of a voltage transformer is very similar to that of a transformer; it also has two windings, one called the primary winding and the other called the secondary winding. Both windings are mounted on or wound around an iron core. Insulation is provided between the two windings and between the windings and the iron core, ensuring electrical isolation between the two windings and between the windings and the iron core. During operation of the voltage transformer, the primary winding N1 is connected in parallel to the line, and the secondary winding N8 is connected in parallel to instruments or relays. Therefore, when measuring voltage on high-voltage lines, although the primary voltage is high, the secondary side is low voltage, ensuring the safety of operators and instruments.

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