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Control method and device of feeding type inversion power supply

A technology of inverter power supply and control method, which is applied in the direction of single-network parallel feeding arrangement, etc., can solve problems such as affecting test efficiency, and achieve the effect of improving efficiency and reducing operational complexity.

Active Publication Date: 2018-09-04
SHENZHEN ECOWATT POWER
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Problems solved by technology

Both of the above two modes need to understand the characteristics and parameters of the equipment under test. If the capacity changes, the operating parameters need to be reset, which will seriously affect the test efficiency

Method used

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  • Control method and device of feeding type inversion power supply
  • Control method and device of feeding type inversion power supply
  • Control method and device of feeding type inversion power supply

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Embodiment Construction

[0036] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0037] In one embodiment, such as figure 1 As shown, a feed-in inverter power supply control method includes the following steps:

[0038] S1: Real-time sampling of the current output current and current output voltage of the device under test;

[0039] S2: Adjust the grid-connected current output from the inverter to the grid according to the sampled current output current and current output voltage, so that the device under test operates at a maximum output power state.

[0040] Further, the S1 step also includes the following steps:

[0041] S11: Calculate the current output power of the devi...

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Abstract

The invention discloses a control method and device of a feeding type inversion power supply. The method comprises the steps of sampling a current output current and a current output voltage of testedequipment in real time, calculating a current output power according to the sampled current output current and the current output voltage, and adjusting a grid-connected current output to a power grid form an inverter according to the current output power so that the tested equipment runs under the maximum output power state. The control method and device of the feeding type inversion power supply can be applicable to various different power supplies, parameters and characteristic of the tested equipment are not needed to be understood, a running parameter of the tested equipment is also notneeded to be set, the operation complexity caused by change of the tested equipment is reduced, the defect caused by manual setting of the parameter is prevented, and moreover, the aging test efficiency is effectively improved.

Description

technical field [0001] The invention relates to the technical field of maximum power tracking, in particular to a method and device for controlling a grid-fed inverter power supply. Background technique [0002] Maximum Power Tracking (MPT, Maximum Power Tracking) technology has been applied to a certain extent in the field of inverter power supply. The main mode of the current grid-fed inverter power supply is to adopt two operating modes of constant voltage and constant current, that is, preset inverter The operating voltage or current of the variable power supply is detected by the sensor to detect the current actual voltage and current, and the actual value is continuously adjusted by the controller until it reaches the set value, and energy is fed to the grid according to the set value. Both of the above two modes need to understand the characteristics and parameters of the equipment under test. If the capacity changes, the operating parameters need to be reset, which ...

Claims

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Application Information

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IPC IPC(8): H02J3/38
CPCH02J3/38
Inventor 谢力华
Owner SHENZHEN ECOWATT POWER
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