High-voltage direct-current ripple power supply sampling circuit

• Main Authors: YU JINBIAO, BAI HONGCHAO, HU ZHITONG, PARK BOO-YONG
• Format: Patent
• Language: Chinese; English
• Published: 26.07.2024
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The invention provides a high-voltage direct-current ripple power supply sampling circuit, which belongs to the technical field of high-voltage direct-current ripple power supplies, and comprises a high-voltage direct-current ripple power supply, a high-voltage direct-current ripple power supply controller, an operational amplifier U1, an operational amplifier U2, a sampling resistor and a sampling capacitor. Sampling and separation of kilovolt-level direct-current voltage and ripples are achieved, high-quality high-frequency alternating-current voltage is collected, and it is possible for a high-voltage direct-current ripple power supply to accurately control the amplitude and frequency of the ripples at the load end. 本发明提供一种高压直流纹波电源采样电路，属于高压直流纹波电源技术领域，包括高压直流纹波电源、高压直流纹波电源控制器、运算放大器U1、运算放大器U2、采样电阻和采样电容，用非常简洁的电路，实现高压电压直接接入运算放大器，实现了千伏级直流电压和纹波的采样与分离，将高频交流电压高质量地采集出来，使高压直流纹波电源对负载端纹波幅值和频率精准控制成为可能。