CN203535185U

CN203535185U - Solar photovoltaic array power supply simulation device

Info

Publication number: CN203535185U
Application number: CN201320577082.7U
Authority: CN
Inventors: 刘璐; 王正仕
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2013-09-17
Filing date: 2013-09-17
Publication date: 2014-04-09
Anticipated expiration: 2023-09-17

Abstract

The utility model relates to the technical field of electric power conversion, and particularly relates to a solar photovoltaic array power supply simulation device. The solar photovoltaic array power supply simulation device comprises a power circuit module, a digital control module and a man-machine interaction module, wherein the power circuit module, the digital control module and the man-machine interaction module are electrically connected with each other, the digital control module adopts a DSP chip control circuit to drive the power circuit module, the power circuit module is connected to 220V power frequency alternating current, simulation of load output is realized through a half-bridge circuit, and the man-machine interaction module is responsible for instruction interaction. The solar photovoltaic array power supply simulation device is reasonable in structural design, provides an effective DSP high-speed control module, simulates real-time states of a photovoltaic inverter and a photovoltaic array, optimizes the testing process, avoids adverse impacts for normal operation of an energy system, and has excellent popularization and application prospects.

Description

A kind of photovoltaic array power supply analogue means

Technical field

The utility model relates to electric power switch technology field, especially a kind of photovoltaic array power supply analogue means.

Background technology

In today of non-renewable energy resources anxiety, regenerative resource progressively becomes the important component part in energy structure, wherein, the characteristics such as sun power is large with its energy, cleanliness without any pollution become new energy focus, and the solar facilitiess such as photovoltaic inversion, photovoltaic array have obtained swift and violent development.In solar facilities development, exploitation and operational process, in order to determine its energy conversion efficiency, often need it to carry out performance test, especially need to determine its energy conversion efficiency.

Existing detection method; in testing process; checkout equipment need to be linked in the middle of energy circuit; this can make troubles to solar energy source converting system on the one hand; even need temporarily to shut down operation, on the other hand, this method of testing operation is very complicated; flow process is numerous and jumbled, the construction cycle is long, also depends critically upon structure and the duration of energy resource system to be measured.

Summary of the invention

The purpose of this utility model is to provide a kind of photovoltaic array power supply analogue means in order to overcome above-mentioned technical disadvantages.

The technical scheme that the utility model technical solution problem adopts is: a kind of photovoltaic array power supply analogue means, comprise power circuit module, digital control module and human-computer interaction module, described power circuit module comprises DC/DC transducer, filtering circuit and load output module, described DC/DC transducer connects respectively filtering circuit, rectifier and wave filter, rectifier, wave filter all accesses outside industrial-frequency alternating current by alternating current input interface, described filtering circuit connects respectively current detection circuit, voltage detecting circuit and load output module, described current detection circuit, voltage detecting circuit is all electrically connected with dsp chip, described digital control module comprises dsp chip and driving circuit, described driving circuit connects respectively DC/DC transducer and dsp chip, described human-computer interaction module comprises single-chip microcomputer and is arranged at the Man Machine Interface on single-chip microcomputer.

Described Man Machine Interface connects outside input-output unit, preferably, adopts lcd touch repeater panel.

The beneficial effect that the utility model has is: the utility model reasonable in design, a kind of effective DSP High-speed Control module has been proposed, the real-time status of simulation photovoltaic DC-to-AC converter, photovoltaic array, optimize testing process, avoid causing adverse effect to the normal operation of energy resource system, there is splendid popularizing application prospect.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Embodiment

Below in conjunction with accompanying drawing, the utility model is described below.

As shown in Figure 1, the utility model comprises power circuit module, digital control module and human-computer interaction module, described power circuit module comprises DC/DC transducer 5, filtering circuit 10 and load output module 9, described DC/DC transducer 5 connects respectively filtering circuit 10, rectifier 6 and wave filter 7, rectifier 6, wave filter 7 is all by the outside industrial-frequency alternating current of alternating current input interface 8 access, described filtering circuit 10 connects respectively current detection circuit 11, voltage detecting circuit 12 and load output module 9, described current detection circuit 11, voltage detecting circuit 12 is all electrically connected with dsp chip 1, described digital control module comprises dsp chip 1 and driving circuit 2, described driving circuit 2 connects respectively DC/DC transducer 5 and dsp chip 1, described human-computer interaction module comprises single-chip microcomputer 3 and is arranged at the Man Machine Interface 4 on single-chip microcomputer 3, described Man Machine Interface 4 connects outside input-output unit, preferably, adopts lcd touch repeater panel.

In use procedure, user is by Man Machine Interface 4, the conditions of work such as the environment temperature of needs, intensity of illumination and solar panel string pass are carried out to initialization, single-chip microcomputer 3 is by the analysis to initialization condition, according to temperature, the light intensity set, calculate corresponding characteristic value data and transfer to dsp chip 1, dsp chip 1 drives DC/DC converter 5 by driving circuit 2, realize the simulation output of photovoltaic array, dsp chip 1 is presented on lcd touch repeater panel by the real-time Data Transmission of circuit and with the form of data or curve simultaneously.

Claims

1. a photovoltaic array power supply analogue means, comprise power circuit module, digital control module and human-computer interaction module, it is characterized in that: described power circuit module comprises DC/DC transducer, filtering circuit and load output module, described DC/DC transducer connects respectively filtering circuit, rectifier and wave filter, rectifier, wave filter all accesses outside industrial-frequency alternating current by alternating current input interface, described filtering circuit connects respectively current detection circuit, voltage detecting circuit and load output module, described current detection circuit, voltage detecting circuit is all electrically connected with dsp chip, described digital control module comprises dsp chip and driving circuit, described driving circuit connects respectively DC/DC transducer and dsp chip, described human-computer interaction module comprises single-chip microcomputer and is arranged at the Man Machine Interface on single-chip microcomputer.