
【计】 large power semiconductor device
大功率半导体器件(又称功率半导体器件或电力电子器件)是专门用于处理高电压、大电流的半导体元件,主要承担电能转换与电路控制的核心功能。以下是其详细解释:
核心功能
通过开关状态控制电流通断,实现电能的变频、变压、变流及功率管理。例如,将交流电转换为直流电(整流),或调整电压以适应不同设备需求。
技术参数
根据控制方式可分为三类:
不控型器件
如电力二极管,仅允许单向导通,无法通过外部信号控制通断,多用于低频整流电路。
半控型器件
典型代表是晶闸管(可控硅),可通过门极信号控制导通但无法主动关断,适用于可控整流、交流调压等低频场景。
全控型器件
包括IGBT、MOSFET、GTR等,可通过信号控制导通与关断,广泛应用于高频开关场景(如新能源汽车、逆变器)。
随着第三代半导体材料(如SiC、GaN)的普及,器件在高温、高频场景的性能显著提升,进一步推动新能源与高效能源管理的发展。
如需更完整的分类或技术细节,可参考电力电子或半导体器件相关专业文献。
大功率半导体器件(dà gōnglì bàn dǎotǐ qìjiàn),即在高功率、高电流和高电压的情况下工作的半导体器件。它可以在电力电子设备中扮演重要角色,如电力逆变器、电力放大器、变流器以及交直流电机控制器。
High-power semiconductor device, refers to a semiconductor device that operates under high power, high current, and high voltage. It can play important roles in power electronic equipment, such as power inverters, power amplifiers, converters, and AC/DC motor controllers.
[hahy-pou-er see-kuh n-duh kwey-ter dih-vahys]
The high-power semiconductor device is widely used in various power electronic equipment, including power inverters, amplifiers and motor controllers. It's also widely used in aerospace, communications, and transportation industries, among others.
The high-power semiconductor device plays an important role in the power inverter, which can convert DC power into AC power.(高功率半导体器件在功率逆变器中扮演重要角色,该器件能将直流电源转换为交流电源。)
High-power semiconductor devices can also be called power semiconductors or power electronic devices.
The opposite of high-power semiconductor devices is low-power semiconductor devices.
The term "high-power semiconductor device" has a moderate level of usage in English. It is commonly used in the field of power electronics and related industries.
【别人正在浏览】