1X00781H01L 电源模块  数字信号处理器

1X00781H01L电源模块

1X00781H01L电源模块是一种可直接贴装在印刷电路板上的电源供应器或电源转换器，其作用是将交流电或直流电进行相互转换，为专用集成电路（ASIC）、数字信号处理器（DSP）、微处理器、存储器、现场可编程门阵列（FPGA）及其他数字或模拟负载提供供电。

按照变换方式，电源模块一般分为AC转DC或DC转DC两种模式。一个完整的电源模块通常由输入整流滤波器、单片开关电源、高频变压器、漏级钳位保护电路、光耦反馈电路、输出整流滤波器、偏置电路等部分组成。这些部分共同协作，使得电源模块具有小体积、高集成度、高性价比和最佳性能指标。

1X00781H01L电源模块的设计小巧灵活，维护方便快捷，能够节约成本和时间，并具有高功率、高效率、高稳定性等优点，因此在交换设备、接入设备、移动通讯、微波通讯以及光传输、路由器等通信领域和汽车电子、航空航天等行业中得到了广泛应用。

在选择电源模块时，1X00781H01L需要考虑一些关键参数，如操作温度、输入电压等。操作温度一般可分成商规（0℃~60℃）、工规（-25℃~71℃）、军规（-55℃~85℃）等，选择时需根据实际系统操作温度范围来选用合适的温度等级。输入电压则是指电源模块能正常操作的电压范围，选择时需考虑前端电源所提供的电压及其变化量是否在电源模块可操作的电压范围内。

1X00781H01L 电源模块  数字信号处理器

Model: REX521GHHPSH51G

REX 521 is more than just a high-performance feeder protection device, it also offers a complete set of value-added information services packages. Includes technical data, user documentation as well as basic information such as wiring diagrams to ensure that relays are installed from the start. Configuration. Debugging and its life cycle always run smoothly and efficiently. Users can easily access information through the operator interface or through a computer equipped with the free software Inform "Aspect Object Viewer.

Excellent protection features

The new features of the REX521GHHPSH51G feeder protection relay make it more widely suitable for power system protection. Measurement. Monitoring and control requirements. This relay is typically used in neutral ungrounded systems. Resonant grounding systems. Neutral direct grounding systems and resistance grounding systems. It can meet the fast break between incoming and outgoing lines. Overcurrent and ground zero sequence protection functions. The powerful protection features of REX 521 make it more suitable for large applications. Medium cut only field hundred -

REX 521 In addition to protection functions. The following functions are also provided:. Comprehensive measurement capabilities for monitoring user networks

REX521GHHPSH51G For accurate fault capture and analysis. Integrated high sampling rate fault recording module local/remote circuit breaker control

The REX521GHHPSH51G can be configured with multiple rounds of automatic reclosing. Circuit breaker condition monitoring

The total harmonic distortion rate (THD) of voltage or current can be measured for power quality monitoring. All Chinese interface identification and display information

Innovative technology

The REX 521 feeder protection relay is part of ABB's integrated substation automation system. The relay uses a common configuration. Setting and monitoring tool software - CAP 501 and CAP 505, and use the exact same technology as the RED 500 series protective relays. So you don't have to repeat learning operations.