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相关概念视频

Voltage Doubler Circuit01:23

Voltage Doubler Circuit

500
A voltage doubler circuit integrates two main components: a clamping section and a rectifier section. The clamping section consists of a capacitor (C1) and a diode (D1), whereas the rectifier section is equipped with another diode (D2) and capacitor (C2). This circuit produces an output voltage with twice the amplitude of the sinusoidal input voltage.
500
Switching of BJT01:22

Switching of BJT

369
Switching behavior in Bipolar Junction Transistors (BJTs) is a fundamental aspect utilized in various electronic circuits, particularly for digital logic applications like switches and amplifiers. In a typical switching circuit, a BJT alternates between cut-off and saturation modes, corresponding to the "off" and "on" states, respectively, thus behaving like an ideal switch.
Cut-off Mode ("Off" State): In this state, both the emitter-base and collector-base junctions are...
369
Full wave rectifier01:22

Full wave rectifier

919
A full-wave rectifier is a device that converts alternating current (AC) to direct current (DC) and is more efficient than its half-wave counterpart. It typically includes a center-tapped transformer, two diodes, and a load resistor. The secondary winding of the transformer is divided to provide two equal voltages of opposite polarities, which is the pivotal element of full-wave rectification.
919
Design Example: Capacitance Multiplier Circuit01:20

Design Example: Capacitance Multiplier Circuit

730
In integrated circuit technology, a capacitance multiplier is often utilized to produce a larger capacitance value when a small physical capacitance falls short. This is achieved by a circuit that multiplies capacitance values by a factor of up to 1000, such that a 10-pF capacitor can replicate the performance of a 100-nF capacitor.
The circuit illustrated in Figure 1 below incorporates two op-amps, with the first operating as a voltage follower and the second acting as an inverting amplifier.
730
Bridge rectifier01:24

Bridge rectifier

545
The bridge rectifier is essential in electronics for efficiently converting alternating current (AC) to direct current (DC). Comprised of four diodes configured in a bridge layout, this rectifier effectively processes both the positive and negative halves of the AC waveform, making it superior to half-wave and full-wave center-tapped rectifiers in terms of voltage regulation and output stability.
Operationally, the bridge rectifier allows current flow through two of its diodes during each...
545
MOSFET Amplifiers01:17

MOSFET Amplifiers

147
The MOSFET, when operating in its active region, functions as a voltage-controlled current source. In this region, the gate-to-source voltage controls the drain current. This principle underlies the operation of the transconductance MOSFET amplifier. The output current is directed through a load resistor to convert this amplifier into a voltage amplifier. The output voltage is then obtained by subtracting the voltage drop across the load resistance from the supply voltage. This process results...
147

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相关实验视频

Updated: Jun 13, 2025

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
06:04

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Published on: February 14, 2025

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新的单开关反推转器具有连续输入/输出电流和广泛的转换范围.

Mohammad Lotfi-Nejad1, Hossein Hajisadeghian1, Amir Abbas Aghajani1

  • 1Faculty of Electrical Engineering, Shahid Rajaee Teacher Training University, Tehran, Iran.

Heliyon
|September 17, 2024
PubMed
概括

本研究介绍了一种新型的单开关buck-boost转换器,用于高效的高阶上下功率转换. 创新的设计确保了连续的输入/输出电流,适合各种苛刻的应用.

关键词:
这是一个 Buck-boost.这是一个直流-直流转换器.高级的升级阶段.一个单开关的开关.广泛的转换比率.

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The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy
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科学领域:

  • 电气工程 电气工程
  • 电力电子 电力电子 电力电子

背景情况:

  • 传统的直流-直流转换器经常与高压转换比率作斗争,或需要复杂的开关安排.
  • 用最小的组件实现显著的电压升级和降低功能,在功率电子中是一个持续的挑战.

研究的目的:

  • 为高升级和下降级应用提出一个新的单开关buck-boost转换器拓.
  • 引入一个修改版的双输出,提供明显的电压增益.
  • 为了验证拟议的转换器的性能和效率.

主要方法:

  • 在连续导电模式 (C.C.M.) 中对稳定状态运行进行分析.
  • 拟议的转换器电路的开发和模拟.
  • 使用实验室原型进行实验验证.

主要成果:

  • 拟议的单开关半正方形转换器有效地实现了高升级电压增益.
  • 一个修改的拓提供了两个输出与不同的电压增益,包括一个二次增益输出.
  • 模拟和实验结果表明,对于阶段式上升和阶段式下降模式,它们与理论分析的兼容性.

结论:

  • 引入的单开关buck-boost转换器为高阶上下功率转换提供了多功能和高效的解决方案.
  • 双输出变体扩大了对需要多个电压级的系统的适用性.
  • 验证的性能证实了拟议的拓学的实际实用性.