CN114062743A - Full-bridge switch characteristic current generating device applied to power industry - Google Patents
Full-bridge switch characteristic current generating device applied to power industry Download PDFInfo
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- CN114062743A CN114062743A CN202111337717.1A CN202111337717A CN114062743A CN 114062743 A CN114062743 A CN 114062743A CN 202111337717 A CN202111337717 A CN 202111337717A CN 114062743 A CN114062743 A CN 114062743A
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- 238000004146 energy storage Methods 0.000 claims abstract description 19
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/28—Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
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Abstract
本发明公开了一种应用于电力行业的全桥开关特征电流发生装置,包括储能电感L1,用于滤波的安规电容C1,用于储能的电解电容C2,MOS管Q1、Q2,用于选择电源工作模式的MOS管Q3、Q4;C1第一端与L1第一端连接于电网火线,L1第二端与Q4源极、Q1漏极连接,Q4漏极与Q2漏极、C2阳极连接,C1第二端与Q3源极、Q2漏极连接于电网零线,Q1源极与Q2源极、C2阴极连接。本发明在保证了相位识别准确率的基础上,通过BUCK、BOOST电路交替工作的方式实现了接近无损的特征电流发生,具备了更高的功率转换效率,有效地降低了线损,提升了线路的安全性,具有很强的工程实用性。
The invention discloses a full-bridge switch characteristic current generating device applied to the power industry, comprising an energy storage inductor L1, a safety capacitor C1 for filtering, an electrolytic capacitor C2 for energy storage, MOS transistors Q1 and Q2, MOS transistors Q3 and Q4 for selecting the working mode of the power supply; the first end of C1 and the first end of L1 are connected to the grid live wire, the second end of L1 is connected to the source of Q4 and the drain of Q1, the drain of Q4 is connected to the drain of Q2 and the anode of C2 connected, the second end of C1 is connected to the source electrode of Q3 and the drain electrode of Q2 is connected to the neutral line of the grid, and the source electrode of Q1 is connected to the source electrode of Q2 and the cathode electrode of C2. On the basis of ensuring the accuracy of phase identification, the present invention realizes near-lossless characteristic current generation through the alternate operation of BUCK and BOOST circuits, has higher power conversion efficiency, effectively reduces line loss, and improves line security, with strong engineering practicability.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116223868A (en) * | 2023-05-06 | 2023-06-06 | 青岛鼎信通讯科技有限公司 | Double-switch-tube characteristic current generating device applied to power industry |
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2021
- 2021-11-11 CN CN202111337717.1A patent/CN114062743B/en active Active
Patent Citations (15)
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CN105048490A (en) * | 2015-06-24 | 2015-11-11 | 盐城工学院 | Low current stress photovoltaic micro inverter and digital control device associated with the same |
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CN212989444U (en) * | 2020-07-09 | 2021-04-16 | 武汉福润斯电气有限公司 | Ultralow frequency high voltage generator |
CN112821797A (en) * | 2021-01-06 | 2021-05-18 | 常州大学 | Boost-buck type self-adaptive switch capacitor inverter for circuit breaking |
CN112910244A (en) * | 2021-01-28 | 2021-06-04 | 三峡大学 | Single-phase three-level power factor correction circuit of hybrid bridge arm |
CN113224942A (en) * | 2021-06-16 | 2021-08-06 | 广东工业大学 | Non-isolated Buck-Boost bridgeless PFC converter system |
CN113507228A (en) * | 2021-08-11 | 2021-10-15 | 南京信息工程大学 | Single-stage boost DC/AC converter with less switches and no leakage current and control method thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116223868A (en) * | 2023-05-06 | 2023-06-06 | 青岛鼎信通讯科技有限公司 | Double-switch-tube characteristic current generating device applied to power industry |
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Address after: No. 858, Huaguan Road, high tech Zone, Qingdao, Shandong Province 266000 Patentee after: QINGDAO TOPSCOMM COMMUNICATION Co.,Ltd. Country or region after: China Patentee after: Qingdao Zhidian New Energy Technology Co.,Ltd. Patentee after: QINGDAO DINGJUN ELECTRIC Co.,Ltd. Address before: No. 858, Huaguan Road, high tech Zone, Qingdao, Shandong Province 266000 Patentee before: QINGDAO TOPSCOMM COMMUNICATION Co.,Ltd. Country or region before: China Patentee before: QINGDAO DINGJUN ELECTRIC Co.,Ltd. |
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Address after: No. 858, Huaguan Road, high tech Zone, Qingdao, Shandong Province 266000 Patentee after: QINGDAO TOPSCOMM COMMUNICATION Co.,Ltd. Country or region after: China Patentee after: Qingdao Zhidian New Energy Technology Co.,Ltd. Patentee after: Qingdao Tuowei Technology Co.,Ltd. Address before: No. 858, Huaguan Road, high tech Zone, Qingdao, Shandong Province 266000 Patentee before: QINGDAO TOPSCOMM COMMUNICATION Co.,Ltd. Country or region before: China Patentee before: Qingdao Zhidian New Energy Technology Co.,Ltd. Patentee before: QINGDAO DINGJUN ELECTRIC Co.,Ltd. |