sangel electrical components Germany sangel model sangel price

sangel electrical components are instruments that measure by converting high primary current to low secondary current based on the principle of electromagnetic induction. A current transformer consists of a closed iron core and windings. Its primary winding has very few turns and is connected in series in the circuit where the current needs to be measured. Therefore, the full line current often flows through it. The secondary winding has more turns and is connected in series in the measuring instrument and protection circuits. When the current transformer is in operation, its secondary circuit is always closed, so the impedance of the coils connected in series with the measuring instrument and protection circuit is very small, and the operating state of the current transformer is close to a short circuit. The current transformer converts high primary current to low secondary current for measurement; the secondary side must not be open-circuited. The principle of the current transformer is based on electromagnetic induction. A current transformer consists of a closed iron core and windings. Its primary winding has very few turns and is connected in series in the circuit where the current needs to be measured, so the full line current often flows through it. The secondary winding has more turns and is connected in series in the measuring instrument and protection circuits. When the current transformer is in operation, its secondary circuit is always closed, so the impedance of the coils connected in series with the measuring instrument and protection circuit is very small, and the operating state of the current transformer is close to a short circuit.

sangel electrical component composition

1. Generally, a fuse consists of three parts: First, the fuse element part, which is the core of the fuse and serves to cut off the current when it blows. For fuses of the same type and specification, the fuse elements must have the same material, the same geometric dimensions, as small and consistent resistance values as possible, and most importantly, consistent fusing characteristics. Household fuses are commonly made of lead-antimony alloy. Second, the electrode part, usually having two electrodes, is an important component connecting the fuse element to the circuit. It must have good conductivity and should not produce significant installation contact resistance. Third, the holder part. Since fuse elements are generally thin and soft, the holder's function is to fix the element and make the three parts a rigid whole for easy installation and use. It must have good mechanical strength, insulation, heat resistance, and flame retardancy, and should not exhibit phenomena such as breaking, deformation, combustion, or short circuits during use. 2. Arc extinguishing device: Fuses used in power circuits and high-power equipment not only have the three parts of general fuses but also include an arc extinguishing device. This is because the circuits protected by such fuses not only have larger operating currents, but also have high voltage across the ends when the fuse element blows. Often, the fuse element may have melted (blown) or even vaporized, but the current is not cut off. The reason is that arcing occurs between the two electrodes of the fuse at the moment of blowing due to the action of voltage and current. This arc extinguishing device must have strong insulation and good thermal conductivity, and be negatively charged. Quartz sand is a commonly used arc extinguishing material. 11. Fusing indication device: Some fuses have a fusing indication device. Its function is to cause a certain change in appearance after the fuse operates (blows), making it easy for maintenance personnel to detect, such as emitting light, changing color, or popping out a solid indicator.

sangel electrical component characteristics

Common types include RC phase-shifting bridge trigger circuits, unijunction transistor trigger circuits, bipolar junction transistor trigger circuits, and trigger circuits using small thyristors to trigger large thyristors, etc. The main parameters of thyristors are: 1, rated on-state average current IT: the average value of the 50 Hz sinusoidal half-wave current that can continuously pass between the anode and cathode under certain conditions. 2, forward blocking peak voltage VPF: the forward peak voltage that can be repeatedly applied across the thyristor when the gate is open without a trigger signal and the anode forward voltage has not exceeded the conduction voltage. The forward peak voltage withstand by the thyristor must not exceed this parameter value given in the manual. 3, reverse blocking peak voltage VPR: the reverse peak voltage that can be repeatedly applied across the thyristor when reverse voltage is applied and the thyristor is in the reverse blocking state. During use, this parameter value given in the manual must not be exceeded. 4, trigger voltage VGT: the minimum gate current and voltage required for the thyristor to switch from the off state to the on state when a certain voltage is applied between the anode and cathode at a specified ambient temperature. 11, holding current IH: the minimum anode forward current required to maintain the thyristor in the conducting state at a specified temperature with the gate circuit open. Many new types of thyristor components have been introduced, such as fast thyristors suitable for high-frequency applications, bidirectional thyristors that can control conduction in both directions with positive or negative trigger signals, and thyristors that can be turned on by a positive trigger signal and turned off by a negative trigger signal.

sangel electrical component classification

1. By application: pressure-sensitive and force-sensitive sensors, position sensors, level sensors, energy consumption sensors, speed sensors, acceleration sensors, radiation sensors, thermal sensors. 2. By principle: vibration sensors, humidity-sensitive sensors, magnetic-sensitive sensors, gas-sensitive sensors, vacuum degree sensors, biosensors, etc. 3. By output signal: (1) Analog sensors convert the measured non-electrical quantity into an analog electrical signal. (2) Digital sensors: convert the measured non-electrical quantity into a digital output signal (including direct and indirect conversion). (3) Pseudo-digital sensors: convert the measured signal quantity into a frequency signal or short-period signal output (including direct or indirect conversion). (4) Switch sensors: when a measured signal reaches a specific threshold, the sensor correspondingly outputs a set low-level or high-level signal. 4. By manufacturing process: Integrated sensors are manufactured using standard production processes for silicon-based semiconductor integrated circuits. Usually, part of the circuit for preliminary processing of the measured signal is also integrated on the same chip. Thin-film sensors are formed by depositing thin films of corresponding sensitive materials on a dielectric substrate (base plate). When using hybrid processes, part of the circuit can also be manufactured on this substrate. Thick-film sensors are made by coating slurry of corresponding materials onto ceramic substrates, typically made of alumina, followed by heat treatment to form the thick film. Ceramic sensors are produced using standard ceramic processes or their variants (sol-gel, etc.). After appropriate preparatory operations, the formed components are sintered at high temperatures. There are many common characteristics between thick-film and ceramic sensor processes; in some aspects, thick-film process can be considered a variant of ceramic process. Each process technology has its own advantages and disadvantages. Due to lower capital investment required for research, development, and production, as well as the high stability of sensor parameters, it is more reasonable to adopt ceramic and thick-film sensors. 5. By measurement purpose: Physical sensors are made using the characteristic that certain physical properties of the measured substance undergo significant changes. Chemical sensors are made using sensitive elements that can convert chemical quantities such as the composition and concentration of chemical substances into electrical quantities. Biological sensors are made using various biological or biomaterial characteristics to detect and identify chemical components in biological bodies. 6. By composition: (1) Basic sensors are the most fundamental single transformation devices. (2) Combined sensors are sensors composed of different single transformation devices. (3) Application-specific sensors are sensors composed of basic sensors or combined sensors with other mechanisms. 10. By mode of action: Sensors can be divided into active and passive types based on their mode of action. Active sensors include acting and reacting types. Such sensors can emit a certain detection signal to the measured object, detect changes produced by the detection signal in the measured object, or form a signal by producing a certain effect in the measured object by the detection signal. Those detecting changes in the detection signal are called acting type, while those detecting responses to form signals are called reacting type. Radar and radio frequency range detectors are examples of acting type, while photoacoustic effect analysis devices and laser analyzers are examples of reacting type. Passive sensors only receive signals generated by the measured object itself, such as infrared radiation thermometers and infrared imaging devices.

Weidou Intelligent Technology specializes in selling German sangel connectors, sangel switches, sangel relays, sangel controllers, sangel plugs, sangel sensors, sangel resistors, sangel capacitors, sangel buses, sangel modules, sangel cables, sangel power supplies, sangel interfaces, sangel gateways, sangel circuit breakers, sangel original imports from Germany. Welcome customers to inquire and order.