1756-PB72  直流电源供应器  稳压器等电路模块

产品目录编号:1756-PB72

ControlLogix 24V直流电源供应器

生命周期状态:活跃的

1756-PB72直流电源供应器是一种重要的电源设备，它主要将输入的交流电信号转换为直流电信号，为电子设备、通讯系统以及实验室研究等领域提供稳定的电源。

1756-PB72直流电源供应器主要包含变压器、整流器模块、滤波器模块和稳压器等电路模块。变压器将电路的其余部分与交流电路电气隔离，并根据电源所需的最大直流输出电压，对来自交流电路的电压进行升高或降低。整流器模块将变压器的交流电压转换为单向交流电压，滤波器模块则将单向交流转换为带有纹波效应的不完美直流电压。最后，稳压器调整输出电压到所需的水平，并进一步进行滤波，以便输出是恒定的直流电压。

然而，1756-PB72直流电源供应器的输出并不总是能精确地提供用户设定的电压，可能会受到多种因素的影响，如组件的公差、温度系数以及在高电流负载下内部电阻的电压降低等。因此，制造商会基于这些因素定义直流输出的准确性，并可能指定一个温度系数来补偿输出误差。

Catalog number :1756-PB72

ControlLogix 24V DC power supply

Life cycle status: Active

The 1756-PB72 DC power supply is an important power supply equipment, which mainly converts the input AC electrical signal into DC electrical signal, providing stable power for electronic equipment, communication system and laboratory research and other fields.

1756-PB72 DC power supply mainly includes transformer, rectifier module, filter module and voltage regulator and other circuit modules. The transformer electrically isolates the rest of the circuit from the AC circuit and raises or lowers the voltage from the AC circuit depending on the maximum DC output voltage required by the power supply. The rectifier module converts the AC voltage of the transformer into a unidirectional AC voltage, and the filter module converts the unidirectional AC into an imperfect DC voltage with ripple effects. Finally, the regulator adjusts the output voltage to the desired level and further filters it so that the output is a constant DC voltage.

However, the output of the 1756-PB72 DC power supply does not always accurately deliver the user-set voltage and can be affected by a variety of factors, such as tolerance of the component, temperature coefficient, and voltage reduction of the internal resistance under high current loads. Therefore, the manufacturer will define the accuracy of the DC output based on these factors and may specify a temperature coefficient to compensate for the output error.