lso known as DC voltage regulator. Its power supply voltage is mostly AC voltage. When the voltage of the AC power supply voltage or the output load resistance changes, the direct output voltage of the voltage stabilizer can remain stable. The parameters of the voltage regulator include voltage stability, ripple coefficient and response speed. The former represents the effect of changes in the input voltage on the output voltage. The ripple factor indicates the magnitude of the AC component in the output voltage under rated operating conditions; the latter indicates the time it takes for the voltage to return to its normal value when the input voltage or load changes sharply. The DC regulated power supply is divided into two types: continuous conduction type and switching type. In the former, the single-phase or three-phase AC voltage is changed to an appropriate value by the power frequency transformer, and then rectified and filtered to obtain an unstable DC power supply, and then a stable voltage (or current) is obtained through a voltage regulator circuit. This kind of power supply circuit is simple, small in ripple, and small in mutual interference, but it is large in size, many consumables, and low in efficiency (often lower than 40% to 60%). The latter adjusts the output voltage by changing the on-off time ratio of the adjusting element (or switch) to achieve regulation. This type of power supply has low power consumption and an efficiency of about 85%, but the disadvantage is that the ripple is large and the mutual interference is large. Therefore, it has developed rapidly since the 1980s. From the way of work, it can be divided into:
Regulated DC Power Supply
Regulated DC Power Supply
①Controlled rectification type. The output voltage is adjusted by changing the on-time of the thyristor.
② chopper type. The input is an unstable DC voltage, and the unidirectional pulsating DC is obtained by changing the on-off ratio of the switching circuit, and then a stable DC voltage is obtained after filtering.
③Converter type. The unstable DC voltage is first converted into high-frequency AC power by the inverter, and then transformed, rectified and filtered, and the new DC output voltage is sampled to feedback control the inverter operating frequency to achieve the purpose of stabilizing the output DC voltage.
DC Power supply 30V 10A White color Link:
Pls Clink Below Photo and Read more details about this DC Power supply 30V 10A White color:
