xDESKO electrical components German xDESKO models xDESKO prices

xDESKO electrical components are energy conversion devices that convert DC electrical energy into AC electrical energy with a specific frequency; the circuit they form is called an oscillating circuit. An oscillator is simply a frequency source, generally used in phase-locked loops. In detail, it is a device that can convert DC electrical energy into AC electrical energy on its own without external signal excitation. It is generally divided into two types: positive feedback and negative resistance. The term "oscillation" implies AC; an oscillator includes the process and function of transitioning from non-oscillating to oscillating. Devices capable of converting DC electrical energy to AC electrical energy are called "oscillators." Oscillators are mainly divided into two types: harmonic oscillators and relaxation oscillators. They are electronic components used to generate repetitive electronic signals (usually sine waves or square waves). The circuit they form is called an oscillating circuit. These are electronic circuits or devices that can convert DC power into AC signal outputs with a specific frequency. There are many types; classified by oscillation excitation method, they include self-excited oscillators and externally excited oscillators; classified by circuit structure, they include RC oscillators, LC oscillators, crystal oscillators, tuning fork oscillators, etc.; classified by output waveform, they include sine wave, square wave, and sawtooth wave oscillators. They are widely used in the electronics industry, medical care, scientific research, and other fields.

xDESKO electrical component functions

In DC circuits, capacitors act as open circuits. 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), but due to the insulating material in between, the entire capacitor does not conduct electricity. However, 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 seen in circuits, so they operate below the breakdown voltage and can be regarded as insulators. But in AC circuits, because the direction of current changes over time according to a certain functional relationship, and the charging and discharging process of a capacitor takes time, a changing electric field forms between the plates, and this electric field is also a function of time. In fact, current passes through the capacitor in the form of an electric field.

xDESKO electrical component classification

Standard power supplies can be further divided into: switching power supplies, inverter power supplies, AC stabilized power supplies, DC stabilized power supplies, DC/DC power supplies, communication power supplies, module power supplies, variable frequency power supplies, UPS power supplies, EPS emergency power supplies, purified power supplies, PC power supplies, rectifier power supplies, custom power supplies, heating power supplies, welding power supplies/arc power supplies, electroplating power supplies, network power supplies, power operation power supplies, adapter power supplies, linear power supplies, power controllers/drivers, high-power supplies, other standard power supplies, parameter power supplies, voltage-regulating power supplies, transformer power supplies. Special power supplies can be further divided into: shore power supplies, security power supplies, high-voltage power supplies, medical power supplies, military power supplies, aerospace power supplies, laser power supplies, other special power supplies.

xDESKO electrical component composition

Internal accessories of circuit breakers: Auxiliary contacts are mechanically linked to the opening and closing mechanism of the circuit breaker's main circuit. They are mainly used to display the open/closed status of the circuit breaker. Connected in the control circuit of the circuit breaker, they control or interlock related electrical appliances through the opening and closing of the circuit breaker. Alarm contacts are used for accident alarms in circuit breakers. These contacts only act after the circuit breaker trips and opens. They are mainly used when the load on the circuit breaker experiences faults such as overload, short circuit, or undervoltage, causing free tripping. The alarm contact switches from its normally open position to a closed position, connecting indicator lights, bells, buzzers, etc., in the auxiliary circuit to display or alert to the fault trip status of the circuit breaker. Since the probability of free tripping due to load faults is not high. Shunt release: A shunt release is a release device excited by a voltage source, and its voltage is independent of the main circuit voltage. A shunt release is an accessory for remote opening operation. When the power supply voltage is equal to any voltage between 70% and 110% of the rated control power supply voltage, the circuit breaker can reliably open. The shunt release operates on a short-time duty cycle; the coil energization time generally must not exceed 11S, otherwise the coil will burn out. To prevent coil burnout in molded case circuit breakers, a microswitch is connected in series with the shunt release coil. When the shunt release engages via the armature, the microswitch switches from normally closed to normally open. Since the control circuit for the shunt release power is cut off, even if the button is manually held down, the shunt coil will not be energized, thus avoiding coil damage. After the circuit breaker is reset and closed, the microswitch returns to the normally closed position. Undervoltage release: An undervoltage release is a release device that causes the circuit breaker to open with or without delay when its terminal voltage drops to a specified range. Under thermal conditions, it must ensure reliable closing of the circuit breaker. Therefore, when a certain voltage drop occurs in the power supply voltage of the protected circuit, it can automatically open the circuit breaker to cut off the power, protecting the load appliances or electrical equipment downstream from undervoltage damage. During use, the undervoltage release coil is connected to the power side of the circuit breaker; the circuit breaker can only be closed after the undervoltage release is energized.

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