Single-phase single-stage six-switch dual-output split-source boost inverter

A single-stage, six-switch technology, applied in the direction of output power conversion device, AC power input conversion to DC power output, electrical components, etc., can solve the problems of converter volume and cost increase, passive components increase, etc., to achieve Simple structure, wide application prospect, continuous current effect

Active Publication Date: 2021-10-19
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Using these impedance source networks can make the nine-switching converter obtain high voltage gain, but the problem it brings is the increase of passive components, which will lead to an increase in the size and cost of the converter

Method used

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  • Single-phase single-stage six-switch dual-output split-source boost inverter
  • Single-phase single-stage six-switch dual-output split-source boost inverter
  • Single-phase single-stage six-switch dual-output split-source boost inverter

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Embodiment Construction

[0019] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0020] refer to figure 1, the present invention discloses a single-phase single-stage six-switch double-output split source boost inverter circuit, which includes: a first inductor L 1 , the first MOS tube S 1 , the second MOS tube S 2 , the first capacitance C 1 The boost circuit composed of the third MOS tube S 3 , the fourth MOS tube S 4 , the sixth MOS tube S 6 , the seventh MOS tube S 7 , the first resistive load RL 1 The first output circuit composed of, and, the fourth MOS transistor S 4 , the fifth MOS tube S 5 , the seventh MOS tube S 7 , the eighth MOS tube S 8 , the second resistive load RL 2 composed of the second output circuit.

[0021] figure 1 The connection relationship of each device in the shown single-phase single-stage six-switch double-output split source boost inverter circuit is as follows: input voltage...

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Abstract

The invention discloses a single-phase single-stage six-switch dual-output split-source boost inverter, and belongs to the technical field of power generation, power transformation or power distribution. The circuit comprises a booster circuit composed of a first inductor, a first MOS tube, a second MOS tube and a first capacitor, a first output circuit composed of a third MOS tube, a fourth MOS tube, a sixth MOS tube, a seventh MOS tube and a first resistance-inductance load, and a second output circuit composed of a fourth MOS tube, a fifth MOS tube, a seventh MOS tube, an eighth MOS tube and a second resistance-inductance load. The whole circuit is simple in structure, the power input current is continuous, the input end is connected with an inverter bridge by an MOS tube instead of a diode, and the problem of high-frequency commutation of a diode is effectively avoided. According to the circuit, fewer passive devices are adopted, and the first output circuit has higher output voltage gain under the condition of ensuring that the second output circuit does not reduce voltage. The load current is continuous, and same-amplitude and same-frequency output, same-amplitude and different-frequency output, different-amplitude and same-frequency output and different-amplitude and different-frequency output can be achieved by the first output circuit and the second output circuit.

Description

technical field [0001] The invention relates to power electronic circuit technology, in particular to a single-phase single-stage six-switch double-output split-source boost inverter, which belongs to the technical field of power generation, transformation or distribution. Background technique [0002] One of the trends that researchers are following when designing power converters is to reduce the number of passive and active components used, thereby reducing the overall cost of the converter. However, in different applications, in order to meet the growing demand for independent power supply of AC loads, an independent inverter is usually configured for each load, but the use of independent inverters increases the number of switching tubes such as IGBTs and MOSFETs, driving The number of circuits and driving power sources also increases, which may result in an unnecessary increase in system cost, size and weight. [0003] In order to maintain high power quality and improv...

Claims

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Application Information

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IPC IPC(8): H02M7/537H02M7/5387
CPCH02M7/537H02M7/5387H02M7/53871
Inventor 朱小全叶开文金科
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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