KR20130029875A - Test apparatus for the light of the sun electricity generation equipment - Google Patents

Abstract

PURPOSE: A photovoltaic power generation facility experiment apparatus is provided to perform an experiment of a photovoltaic power generation facility in various methods without sunlight or a light replacing the sunlight. CONSTITUTION: A current transformer(510) measures a current flowing in each AC circuit in a photovoltaic power generation facility experiment apparatus and extracts the same to the outside. A classifier(520) classifies a current flowing in each DC circuit in the photovoltaic power generation facility experiment apparatus and extracts the same to the outside. A relay(530) connects an interval between a load(550) and an independent inverter(320). A wireless and wired sharing device(430) is connected to wireless and wired internet, thereby controlling the photovoltaic power generation facility experiment apparatus from the outside.

Description

TECHNICAL FIELD [0001] The present invention relates to a photovoltaic power generating apparatus,

The present invention relates to a photovoltaic power generation facility test, and more particularly, to a photovoltaic power generation system equipped with a photovoltaic module in a room without a sunlight, The present invention relates to an experimental apparatus for a photovoltaic power generation facility capable of conducting an experiment on a power generation facility.

Generally, an experimental apparatus is composed of a mechanical part and a control part, and a mechanical part system is constituted to be able to operate by constituting a circuit diagram by a control panel.

It is necessary to understand the principle and function of experimental equipment and to train the principle of electric and sensor automatic control, control operation and circuit design ability, and to have easy to understand, experiment and practice. Is being developed.

Such measurement experiment devices include renewable energy generation experimental equipment, hybrid power conversion experiment equipment, refrigerator experiment equipment, and air conditioner experiment equipment.

Among them, New Renewable Energy is the energy that transforms existing fossil fuels or uses renewable energy including solar heat, water, geothermal, bio-organisms, etc., future energy for sustainable energy supply system Let the circle be its characteristic.

These new and renewable energy have become increasingly important due to the instability of oil prices and the regulatory compliance of the Convention on Climate Change.

In Korea, there are 8 renewable energy sources (solar, solar, biomass, wind, hydro, geothermal, marine and waste energy) and 3 new energy sources (fuel cell, coal liquefied gasification, hydrogen energy) Renewable energy is designated as the renewable energy.

Among them, solar thermal technology is a technology used for heating and cooling the building through absorption, storage and thermal conversion of solar heat. At the core of solar thermal technology is solar collecting technology, heat storage technology, system control technology, system design technology .

The solar heat system can be divided into a heat collecting part, a use part, and a control part. Here, the heat collecting part is a kind of heat storage tank which functions as a kind of buffer, And the use part effectively supplies the solar heat stored in the heat collecting part, and the control part effectively collects, stores, and supplies the solar heat, and plays an important role in the performance and reliability of the solar thermal system.

For reference, solar energy is energy with low energy density and seasonal and time-dependent energy, so thermal and storage technology is the most basic.

On the other hand, the solar heat collection is carried out by using a vacuum tube type solar collector or a collector plate type solar collector, and is heated by the header installed in the collector. However, until now, the focus is focused on maximizing the performance of the collector, There is a problem that it is difficult to apply in the actual field if education, experiment and practice of the solar collector are not carried out because the educational equipment for the performance test of the water according to various temperature conditions and flow conditions is not developed.

For example, in Korean Patent No. 10-0913247 (Aug. 24, 2009) (an experimental solar photovoltaic power generation test apparatus that can replace an experimental module), a solar cell (solar cell) However, this experiment is limited to simple experiment using only illumination means instead of sunlight and detachment of a separate experimental module.

In order to solve the above-described problems, the present invention provides a solar power generating system equipped with a solar module in a room without sunlight, And to provide an experimental apparatus for photovoltaic power generation facilities capable of conducting experiments and training.

According to an aspect of the present invention,

As a device for testing solar power generation facilities,

A storage battery 310 that receives the DC power output from the solar module 230 through the connection block 330, the DC (DC) circuit breaker 490 and the charge controller 340 in order;

A stand-alone inverter 320 that receives DC power from the battery 310 and converts the AC power into AC power and supplies the power to the lamp load 550 as lamp power;

Overcurrent shutoff and voltage / current display panel that displays the DC voltage and DC current of each part in the photovoltaic power generation equipment experiment device and the AC voltage and AC current of each part in the PV plant 470);

A touch computer 480 having a touch screen and receiving and displaying a control command provided from an application program of the corresponding device in a touch format;

A current transformer 510 for extracting the currents flowing through the respective AC circuits in the photovoltaic power generation equipment experimental apparatus so as to be extracted to the outside;

A classifier (520) for classifying the currents flowing in the respective direct current circuits in the photovoltaic power generation equipment experimental apparatus and extracting them to the outside;

A relay 530 for connecting the load 550 and the stand-alone inverter 320;

A DC output unit 540 for converting the AC 220V power input through the AC (AC) circuit breaker 410 into a DC power source and providing the DC power source as a driving power source to the respective units in the solar power facility testing apparatus;

An automatic transfer switch (ATS) 360 for automatically switching to a standby power supply when the main power supply in the photovoltaic power generation equipment experimental apparatus is down or the voltage drops below a reference value;

An AC / DC converter 370 that converts the AC 220V power input through the AC circuit breaker 410 to DC power and supplies the DC power to the grid-connected inverter 350;

A load control unit 390 for controlling the flashing of the load 550;

A single-phase induction watt-hour meter 400 for measuring and displaying the amount of power consumed in the load 550;

A programmable logic controller (PLC) 420 for designing a program for performing the connection and disconnection of the DC line and the AC line in the experimental apparatus of the photovoltaic power generation facility, the flashing of the load 550;

A magnetic switch / thermoelectric generator (500) composed of a magnetic switch for controlling the opening / closing of the electric current in the photovoltaic power generating apparatus experimental apparatus, a starting / stopping control of the apparatus, and a relay for operating the contact when a current exceeding a set value is applied;

A wired / wireless router (430) for connecting the wired / wireless Internet to control the solar power equipment experiment device from the outside; And

A wired / wireless serial communication device 440 for connecting to a wireless LAN for serial control and management at a remote place;

And a control unit.

Here, the push button unit 381 including a plurality of push buttons for operating as non-holding A contact push buttons, the DC power supplied from the SMPS (Switching Mode Power Supply) 540 is automatically turned off, A switch control unit 380 composed of a selection switch 382 for selecting and supplying one of them and a toggle switch 383 for selecting the closing of the contact (contact A, contact B); And

An RS-485 / RS-232 converter 450 for converting an RS-232 signal into an RS-485 signal in the wire / wireless serial communication;

And further comprising:

The upper plate 110 and the lower plate 120 are disposed below the upper plate 110 and are spaced apart from each other by a predetermined distance from the bottom of the upper plate 110, A plurality of table legs 130 for fixing and supporting the plurality of table legs 130 and a wheel 140 attached to each of the plurality of table legs 130,

The solar cell module 230, the storage battery 310, the inverter 320, the connection unit 330, the charge controller 340, the switch control unit 380, the AC circuit breaker 410 The overcurrent shutdown and voltage current display panel 470, the touch computer 480, the DC breaker 490, the current transformer 510, the classifier 520, the relay 530, the DC output unit 540, and the load 550 ),

In the lower part of the experimental table 40, the grid-connected inverter 350, the automatic changeover switch 360, the AC / DC converter 370, the load controller 390, the induction watt hour meter 400, the programmable logic controller 420 and a magnetic switch / thermoelectric generator 500 are configured.

On the other hand, when a stand-alone inverter system is constructed using a photovoltaic power generation equipment experimental apparatus,

The positive pole of the solar module 230 is connected to the connection panel 330 in parallel,

The output of the connection module 330 and the negative pole of the solar module 230 are connected to the input of the DC circuit breaker 490,

Connected to the charge controller 340 at the output of the DC circuit breaker 490,

The + and - terminals of the charge controller 340 and the battery 310 are connected,

The charging controller 340 is connected to the DC input terminal of the stand-alone inverter 320 at the +, - terminal of the battery 310,

The AC output of the stand-alone inverter 320 and the input of the AC circuit breaker 410 are connected,

The output of the AC circuit breaker 410 and the load 550 are connected,

The charge controller 340 is set to match the voltage of the battery 310,

The DC circuit breaker 490 is turned on and the AC circuit breaker 410 is turned on so that the load 550 is turned on.

On the other hand, when the automatic switching circuit is additionally provided in the stand-alone inverter system,

The positive pole of the solar module 230 is connected to the connection panel 330 in parallel,

The output of the connection module 330 and the negative pole of the solar module 230 are connected to the input of the DC circuit breaker 490,

Connected to the charge controller 340 at the output of the DC circuit breaker 490,

The + and - terminals of the charge controller 340 and the battery 310 are connected,

The charging controller 340 is connected to the DC input terminal of the stand-alone inverter 320 at the +, - terminal of the battery 310,

A slave input terminal of the automatic changeover switch 360 is connected to the AC output of the stand alone inverter 320,

Connected to the master input terminal of the automatic changeover switch 360 at the output of the AC circuit breaker 410,

Connected to the load 550 from the output of the automatic changeover switch 360,

The charge controller 340 is set to match the voltage of the battery 310,

The DC circuit breaker 490 is turned on, the AC circuit breaker 410 is turned on, the switch of the stand-alone inverter 320 is turned on so that the load 550 is turned on,

The AC switch 410 is turned off and the automatic changeover switch 360 senses a power failure and is automatically switched to the input power line of the stand-alone inverter 320 so that the load 550 flashes instantaneously.

Here, when the voltage and current measuring circuit is configured in the stand-alone inverter system,

The photovoltaic module 230 is connected in series to the connection panel 330,

The output of the connection module 330 and the negative pole of the solar module 230 are connected to the input of the DC circuit breaker 490,

The DC breaker 490 plus an output is connected to the charge controller 340 and the DC breaker 490 is connected to the classifier 520 and the charge controller 340 is connected to the solar input- Connected,

Connected to the battery 310 from the + terminal of the battery 310 of the charge controller 340 and connected to the classifier 520 at the terminal of the battery 310 of the charge controller 340 Connected to the battery 310-pole,

The plus and minus terminals are connected to the DC input terminal of the stand-alone inverter 320 at the +, - terminal of the battery 310 of the charge controller 340,

The AC output of the stand-alone inverter 320 is connected to the slave input terminal of the automatic switch 360,

Connected to the master input terminal of the automatic changeover switch 360 at the output of the AC circuit breaker 410,

And is connected through the current transformer 510 when connected to the load 550 from the output of the automatic changeover switch 360,

Connected to each of the DC ammeters 473 at the output signal terminal of the classifier 520,

Connected to the AC current meter 475 at an output signal terminal of the current transformer 510,

Respectively, connected to the DC voltmeter 472 and the AC ammeter 475,

The charge controller 340 is set to match the voltage of the battery 310,

When the DC interrupter 490 is turned on and the AC circuit breaker 410 is turned on and the switch of the stand-alone inverter 320 is turned on, the load 550 is turned on,

When the AC breaker 410 is turned off, the automatic changeover switch 360 senses a power failure and is automatically switched to the input power line of the stand-alone inverter 320 so that the load 550 flashes instantaneously.

In the case of configuring the load control circuit in the stand-alone inverter system,

The photovoltaic module 230 is connected in series to the connection panel 330,

The output of the connection module 330 and the negative pole of the solar module 230 are connected to the input of the DC circuit breaker 490,

The DC breaker 490 and the output are connected to the charge controller 340 and the DC breaker 490 and the output of the charge controller 340 are connected to the classifier 520, Lt; / RTI >

Connected to the battery 310 from the + terminal of the battery 310 of the charge controller 340 and connected to the classifier 520 at the terminal of the battery 310 of the charge controller 340 Connected to the battery 310-pole,

The plus and minus terminals are connected to the DC input terminal of the stand-alone inverter 320 at the +, - terminal of the battery 310 of the charge controller 340,

The AC output of the stand-alone inverter 320 is connected to the slave input terminal of the automatic switch 360,

Connected to the master input terminal of the automatic changeover switch 360 at the output of the AC circuit breaker 410,

And is connected through the current transformer 510 when connected to the load 550 from the output of the automatic changeover switch 360,

(520) are connected to the respective DC ammeters (473) at the output signal terminals of the classifiers (1,2)

Connected to the AC current meter 475 at an output signal terminal of the current transformer 510,

Are connected to the DC voltmeter 472 and the AC ammeter 475, respectively,

The charge controller 340 is set to match the voltage of the battery 310,

The DC circuit breaker 490 is turned on and the AC circuit breaker 410 is turned on and the switch of the stand-alone inverter 320 is turned on. When the push button of the push button unit 381 is pressed as designed, However,

When the AC circuit breaker 410 is turned off, the automatic changeover switch 360 senses a power failure and is automatically switched to the input power line of the stand-alone inverter 320 so that the load 550 flashes instantaneously.

On the other hand, when the power supply and the load control circuit are configured in the stand-alone inverter system,

The solar module 230 is connected in series to the connection board 330,

The output of the connection module 330 and the negative pole of the solar module 230 are connected to the input of the DC circuit breaker 490,

The classifier 520 is connected to the output of the DC breaker 490 and the charge controller 340 is connected to the output of the DC breaker 490 + Connected to the input-pole,

The battery 310 of the charge controller 340 is connected to the positive terminal of the battery 310 via the contact point of the magnetic switch / thermoelectric battery 500 and the positive terminal of the battery 310 of the charge controller 340, (310) - terminal to the classifier (520) through the magnetic switch / thermal coil (500) a contact and then to the battery (310)

The plus and minus terminals are connected to the DC input terminal of the stand-alone inverter 320 through the +, - terminal of the battery 310 of the charge controller 340 and the magnetic switch /

The automatic switching switch 360 slaves are wired as designed circuits at the AC output of the stand-alone inverter 320,

Connected to the master input terminal of the automatic changeover switch 360 at the output of the AC circuit breaker 410,

And is connected through the current transformer 510 when connected to the load 550 from the output of the automatic changeover switch 360,

Connected to respective DC ammeters 473 at the output signal terminals of the classifiers 520,1,2,

Connected to the AC current meter 475 at an output signal terminal of the current transformer 510,

Connected to the DC voltmeter 472 and the AC ammeter 475, respectively,

The charge controller 340 is set to match the voltage of the battery 310,

The DC circuit breaker 490 is turned on, the AC circuit breaker 410 is turned on, the switch of the stand-alone inverter 320 is turned on,

When the push button unit 381 is pressed as designed, the contacts of the magnetic switch / thermal motor 500 and the MC1 and MC2 are closed to connect the charge controller 340 and the battery 310, The output of the stand-alone inverter 320 is switched to the slave of the automatic changeover switch 360 and the push button unit 381 is connected to the push button unit 381 And power is supplied to the load 550 at the output of the automatic changeover switch 360 when pressed as designed.

Further, in the case of constructing a grid-connected inverter system using the solar power generation equipment experimental apparatus,

The photovoltaic module 230 is connected in series to the connection panel 330,

The output of the connection module 330 and the negative pole of the solar module 230 are connected to the input of the DC circuit breaker 490,

Connected to the DC input of the grid-connected inverter (350) at the output of the DC circuit breaker (490)

Connected to the AC circuit breaker (410) at the AC output of the grid interconnected inverter (350)

The DC circuit breaker 490 is turned on and the AC circuit breaker 410 is turned on,

In the indoor experiment, the grid-connected inverter 350 can not obtain the DC operating voltage, so that the AC / DC converter 370 is connected to the connection panel 330 instead of the solar module 230, And confirms whether the DC circuit breaker 490 and the AC circuit breaker 410 are off before the circuit wiring is performed and the positive and negative poles of the solar module 230 and the grid interconnection inverter 350 are So that they are carefully connected.

On the other hand, when constructing the load control circuit of the grid interconnected inverter system,

The solar module 230 is connected in parallel to the connection board 330,

The output of the connection module 330 and the negative pole of the solar module 230 are connected to the input of the DC circuit breaker 490,

The DC breaker 490 is connected to the input of the grid-connected inverter 350 at the + output of the DC breaker 490 and connected to the separator 520 at the output of the DC breaker 490, 350) input - connected to the pole,

When the grid-connected inverter 350 is connected from the AC output to the load 550, the control circuit is wired through the current transformer 510,

The power of the direct current output unit (SMPS) 540 is connected to the AC output of the grid-connected inverter 350,

The AC interrupter 410 is connected to the AC output of the grid-connected inverter 350,

Connected to the output side of the inductive watt-hour meter (400) in the AC circuit breaker (410)

Connected to the DC ammeter 473 from the output signal terminal of the classifier 1 520,

Connected to the AC ammeter 475 at the output signal terminal of the current transformer 510,

The DC voltage meter 472 and the AC voltmeter 474 are connected to the input signal section by a design circuit diagram,

In the indoor experiment, the grid-connected inverter 350 can not obtain the DC operating voltage, so that the AC / DC converter 370 is connected to the connection panel 330 instead of the solar module 230, And confirms whether the DC circuit breaker 490 and the AC circuit breaker 410 are off before the circuit wiring is performed and the positive and negative poles of the solar module 230 and the grid interconnection inverter 350 are So that they are carefully connected.

The present invention has the following effects.

First, you can understand the stand-alone inverter system, wiring the operation circuit, understand the principle of each device and wiring, understand the wiring characteristics of the solar module and wiring.

Second, by understanding the function of each part, you can understand and explain serial and parallel connections.

Third, the operation circuit using the automatic changeover switch can be wired, and the principle of the automatic changeover switch can be understood and wired.

Fourth, independent inverter system can directly measure voltage and current, can distinguish between DC line and AC line, DC voltage / ammeter, AC voltage / ammeter can be installed.

Fifth, it is possible to understand and install the load control and relay function of the facilities of the stand-alone inverter system.

Sixth, it is possible to control the power supply and load line of the equipment of the stand-alone inverter system, and understand and install the functions of relays, MC, etc.

Seventh, programmable logic controller control exercises of stand-alone inverter system is possible, and ladder program can be understood and programmed.

Eighth, programmable logic controller control exercises connected with wireless control and wireless control of stand-alone inverter system are possible.

Ninth, it is possible to construct a grid-connected inverter facility and understand the operation principle and install it.

In the tenth, grid-connected inverter facilities can be constructed, and the operating principle can be understood and installed.

1 is a view for explaining an apparatus for testing a solar power generation facility according to the present invention,
FIG. 2 is a diagram for explaining an example in which a stand-alone inverter system is configured using the solar power generation equipment experimental apparatus shown in FIG. 1;
3 is a diagram for explaining an example in which an automatic switching circuit is additionally provided in the stand-alone inverter system shown in FIG. 2,
FIG. 4 is a diagram for explaining an example in which a voltage and current measuring circuit is constituted in the stand-alone inverter system shown in FIG. 2,
5 is a diagram for explaining an example in which a load control circuit is constituted in the stand-alone inverter system shown in Fig. 2,
Fig. 6 is a diagram for explaining an example in which a power supply and a load control circuit are constituted in the stand-alone inverter system shown in Fig. 2,
FIG. 7 is a view for explaining an example in which a grid interconnected inverter system is configured using the solar power generation equipment experimental apparatus shown in FIG. 1;
8 is a view for explaining a configuration example of a load control circuit in the grid interconnected inverter system shown in Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In addition, although the term used in the present invention is selected as a general term that is widely used at present, there are some terms selected arbitrarily by the applicant in a specific case. In this case, since the meaning is described in detail in the description of the relevant invention, It is to be understood that the present invention should be grasped as a meaning of a term that is not a name of the present invention. Further, in describing the embodiments, descriptions of technical contents which are well known in the technical field to which the present invention belongs and which are not directly related to the present invention will be omitted. This is for the sake of clarity of the present invention without omitting the unnecessary explanation.

1 is a view for explaining an apparatus for testing a photovoltaic power generation facility according to the present invention.

As shown in FIG. 1, the apparatus for testing a solar power generation facility according to the present invention includes an upper plate 110 for holding experimental equipment for solar power generation facilities, a lower plate 110 disposed below the upper plate 110, An experimental table 100 consisting of a plurality of table legs 130 for fixing and supporting the upper and lower plates 110 and 120 and wheels 140 attached to the lower portions of the plurality of table legs 130, .

The solar cell module 230, the storage battery 310, the inverter 320, the connection unit 330, the charge controller 340, the switch control unit 380, the AC circuit breaker 410 The overcurrent shutdown and voltage current display panel 470, the touch computer 480, the DC breaker 490, the current transformer 510, the classifier 520, the relay 530, the DC output unit 540, and the load 550 ). At this time, the load 550 is a lamp that can be turned on.

The test table lower plate 120 is connected to the grid interlocked inverter 350, the automatic changeover switch 360, the AC / DC converter 370, the load control unit 390, the induction watt hour meter 400, the programmable logic controller 420 and a magnetic switch / thermal battery 500 are constructed.

The photovoltaic power generation equipment experimental apparatus of the present invention further comprises a wire / wireless router 430, a wired / wireless serial communication device 440, and an RS-485 / RS-232 conversion device 450.

The solar module 230 formed on the experimental table top plate 110 includes a solar module fixing bar 210 formed on one side of the experimental table top plate 110 and a solar module fixing bar 210 formed on the upper side of the experimental table top plate 110 in a direction perpendicular to the solar module fixing bar 210 (Not shown) configured to move the solar module 230 horizontally and vertically so that the solar module 230 can track the sunlight. The support bar 220 is formed at the upper end of the support bar 220, And a motor 240 for rotating the biaxial tracking tracker.

The battery 310 supplies power to the load 550 of the photovoltaic system testing apparatus.

The stand-alone inverter 320 converts the DC power stored in the storage battery 310 into AC power and supplies the AC power to the load 550.

The connection block 330 supplies the DC voltage generated from the solar module 230 to the stand-alone inverter 320 as a rated protection module between the solar module 230 and the stand-alone inverter 320. Of course, in the experiment, the power source of the storage battery 310 is supplied to the stand-alone inverter 320. [

The charging controller 340 prevents the reverse current flow of the current, prevents the overcharge, prevents the over discharge and prevents the overload, displays the state of charge of the battery 310 and the current flow, 310) while maximizing the lifetime.

The switch control unit 380 includes a push button unit 381 including a plurality of push buttons for operating as a non-holding A contact push button in the solar power equipment test apparatus, a switching mode power supply unit 540 And a toggle switch 383 for selecting the closing of the contact (contact A, contact B) is constituted.

AC circuit breaker 410 receives AC 220V power.

The overcurrent shutoff and voltage / current display panel 470 is configured to be supported by the vertical support rods 460 formed on the other side of the experiment table top plate 110 and includes a shutoff switch for shutting off the overcurrent, a lamp And a fuse for protecting the panel 470 from an overcurrent, a DC voltmeter 472 for displaying two DC voltages, a DC ammeter 473 for displaying two DC currents, three AC An AC ammeter 475 for displaying a voltage, and an AC ammeter 475 for displaying three AC currents.

The touch computer 480 is connected to the hinge shaft 481 so as to be rotatable at one side of the support rod 460 of the experiment table top plate 110. The trainee or the experimenter transmits a control command through the solar power equipment experiment device to the touch screen In the form of a touch, or display the experimental data.

The DC circuit breaker (490) cuts off the DC when the DC cutoff is required during the experiment through the photovoltaic power generation system experiment apparatus.

The current transformer 510 has a transformer primary and secondary windings used in the ammeter, through an AC through a primary winding, a secondary winding connects an ammeter between the two terminals, and a current of the primary winding So that the user can know the strength of the image.

The classifier 520 is a kind of resistor used to measure the direct current, which is used to expand the measuring range of the current.

The relay 530 needs to divide the circuit into two parts in the electric circuit, make a signal from one side, and control the operation of the other circuit according to the signal, that is, open or close the circuit. The electronic component used is a relay and a kind of electric switch.

The DC output unit 540 converts an AC 220V power supply to DC 24V, which is a power source required for a solar power plant experimental apparatus.

The load (550) is an experimental tool for determining whether power is supplied from a photovoltaic power generation system experimental apparatus and can be constituted by a lamp as an example.

In addition, the grid-connected inverter 350 configured in the experimental table lower plate 110 is a device for directly supplying electric power to the system without using the storage battery 310 in the solar power generation equipment experiment apparatus.

The automatic changeover switch 360 is used to automatically switch to a standby power supply when the main power supply is cut off or when the voltage falls below a reference value, for example, so that a customer who receives sunlight can always receive a constant power supply.

The AC / DC converter 370 supplies the virtual DC power required by the photovoltaic power generation experiment apparatus.

The load control unit 390 controls the load 550.

The induction watt-hour meter 400 is a single-phase induction watt-hour meter that measures the amount of power consumed in the load 550.

The programmable logic controller 420 is designed so that program control can be performed on the photovoltaic power generation equipment experimental apparatus. For reference, AUTOBASE can be used in the present invention. AUTOBASE is software developed by Windows-based OS and is an automation development tool that can be applied to all automation field monitoring / control. This software is installed on a computer or workstation connected to an on-site automation device (programmable logic controller) to monitor and control the status, measured value, and set value of each device. , So any automation site can be solved with a single AUTOBASE product.

The features of the Autobase program are as follows.

1) Automated development tools for Windows 2000 / XP / 2003 / Vista / 2008/7.

2) Realistic sense of realism with animated graphic objects (animation library provided)

3) Computer: programmable logic controller 1: 1 ~ 256 connection in one package.

4) All autobase programs connected to the local network or the Internet are completely communicated and share each other's data.

5) Monitoring / controlling more than 100,000 tags on one computer.

6) Monitor and control the site easily on the internet using web server.

7) Support various communication methods (RS-232, RS-422, RS-485, GP-IB, embedded card, TCP / IP, UDP / IP, DDE, OPC, ODBC, OLEDB,

8) Including various development tools. (Graphics, report editor, animation, tag editor, communication editor, picture library)

9) C / C ++ script language support. (Individual script support for each object)

10) Data can be shared with an external database using ODBC / OLEDB.

On the other hand, the magnetic switch / thermoelectric generator 500 operates the contact portion using the attracting force of the electromagnet. The magnetic switch / thermoelectric generator 500 controls the opening and closing of the large current such as the main circuit current of the solar power generation equipment experiment apparatus and the frequent start and stop of the motor A magnetic switch used, and a relay for operating the contact when a current equal to or higher than the set value flows.

Then, the wired / wireless router 430 connects the experimental equipment of the photovoltaic power generation equipment to the wired / wireless Internet.

The wired / wireless serial communication device 440 is an external serial < - > - wired LAN converter that connects the experimental equipment of the solar power equipment facility to a wireless LAN so as to be able to perform serial control and management through a computer from a remote place. And performs the functions of the remote computer.

The RS-485 / RS-232 converter 450 converts the RS-232 signal into an RS-485 signal. At this time, the data between the touch computer 480 and the overcurrent cutoff and voltage / current display panel 470 is subjected to RS-485 / RS-232 conversion.

FIG. 2 is a diagram for explaining an example in which a stand-alone inverter system is configured using the solar power generation equipment experimental apparatus shown in FIG. 1. FIG.

As shown in FIG. 2, an example of a stand-alone inverter system using an apparatus for testing solar power generation facilities according to the present invention includes a solar module 230 composed of four solar cells, a 4CH connection unit 330, A battery charger 340, a battery 310, a stand-alone inverter 320, an AC circuit breaker 410 and a load 550. The circuit breaker 490, the charge controller 340,

The objective of such a stand-alone inverter system is to understand the stand-alone inverter system, to wire the operation circuit, to understand and wire the principles of each device of the stand-alone inverter system, and to understand and wire the parallel characteristics of the solar module.

A method of constructing a standalone inverter system circuit diagram using a photovoltaic power generation system experimental apparatus is as follows.

(1) The + pole of the solar module 230 is connected in parallel to the connection board 330.

(2) Connect the output of the connection panel 330 and the negative pole of the solar module 230 to the DC breaker 490 input.

(3) Connect to the charge controller 340 at the DC breaker output 490 output.

(4) Connect the positive and negative poles from the +, - terminal of the battery 310 of the charge controller 340 to the battery 310.

(5) Carefully connect the DC input terminal of the stand-alone inverter 320 at the +, - terminal of the battery 310 of the charge controller 340.

(6) Connect the AC output of the stand-alone inverter 320 and the input of the AC breaker 410.

(7) Connect the AC breaker 410 output and the load 550.

(8) Set the charge controller 340 to match the voltage of the storage battery 310.

(9) When the DC circuit breaker 490 is turned on and the AC circuit breaker 410 is turned on, the load 550 is turned on.

At this time, it should be noted that the DC circuit breaker (490) and the AC circuit breaker (410) are off before circuit wiring. Also, the solar module 230 and the storage battery 310 are not short-circuited.

Meanwhile, the parallel connection characteristic of the solar module 230 can be trained as follows.

(1) Parallel connections have several paths in the circuit, so it is good to control them separately.

(2) Voltage does not change when connected in parallel.

(3) Even if one wire of the solar cell module 230 is disconnected from the circuit during the parallel connection, partial power generation can be performed.

(4) When the solar modules 230 are connected in parallel, the current increases by the number of connections but the voltage is constant.

(5) The thickness of the wire is thicker and the cost of the equipment is larger than that of the serial connection because there are many wires.

In addition, the series connection characteristic of the solar module 230 can train the following experiment.

(1) A serial connection is easy to control because there is only one path in the circuit.

(2) High voltage can be obtained in series connection.

(3) If the solar module (230) cell is disconnected from the series connection circuit, the whole circuit will not operate.

(4) When the solar module 230 is connected in series, the voltage rises by the number of connections but the current is constant.

3 is a diagram for explaining an example in which an automatic switching circuit is additionally provided in the stand-alone inverter system shown in Fig.

As shown in FIG. 3, an example in which an automatic switching circuit is additionally provided in a stand-alone inverter system using an experimental apparatus for solar power generation facilities according to the present invention includes a solar module 230 composed of four solar cells, A battery charger 340, a battery 310, a stand-alone inverter 320, an AC circuit breaker 410, a load 550, and an automatic changeover switch 360. The DC circuit breaker 490, the charge controller 340,

The educational objective of further configuring the automatic switching circuit in such a stand-alone inverter system is that the operating circuit using the automatic switching switch 360 can be wired and the principle of the automatic switching switch 360 can be understood and wired, The parallel characteristics of the optical module 230 can be understood and wired.

The method of constructing the circuit with additional automatic switching circuit in the stand-alone inverter system using the photovoltaic power plant experimental equipment is as follows.

(1) The solar module 230 is connected in series to the connection board 330.

(2) Connect the output of the connection panel 330 and the negative pole of the solar module 230 to the input of the DC breaker 490.

(3) Connect the DC breaker 490 to the charge controller 340 at the output and the DC-breaker 490-output to the sorter 520 and to the next charge controller 340-pole.

(4) Connected from the positive terminal of the battery 310 of the charge controller 340 to the positive terminal of the battery 310 and connected to the separator 520 at the terminal of the battery 310 of the charge controller 340 and then connected to the battery 310 ) - Connect to pole.

(5) Carefully connect the positive (+) and negative (-) poles of the DC input terminal of the stand-alone inverter (320) from the battery (310) terminal of the charge controller (340).

(6) Connect the AC output of the stand-alone inverter 320 to the slave input terminal of the automatic changeover switch 360.

(7) Connect to the master input terminal of the automatic changeover switch 360 at the output of the AC circuit breaker 410.

(8) Connects to the load 550 from the automatic changeover switch 360 output.

(9) Set the charge controller 340 to match the voltage of the storage battery 310.

(10) When the DC-breaker 490 is turned on and the AC-breaker 410 is turned on, and the switch of the stand-alone inverter 320 is turned on, the load 550 is turned on.

(11) When the AC breaker 410 is turned off, the automatic changeover switch 360 senses a power failure and automatically switches to the input power line of the stand-alone inverter 320 so that the load 550 flashes momentarily.

It should be noted that the DC circuit breaker 490 and the AC circuit breaker 410 are turned off before circuit wiring and that the positive and negative poles of the solar module 230 and the battery 310 are not short- will be.

Fig. 4 is a view for explaining an example of constituting a voltage and current measuring circuit of the stand-alone inverter system shown in Fig. 2;

As shown in FIG. 4, an example of a voltage and current measuring circuit of a stand-alone inverter system using an apparatus for testing solar power generation facilities according to the present invention includes a solar cell module 230 composed of four solar cells, And the AC circuit breaker 410. The DC circuit breaker 490 is connected to the charge controller 340. The battery 310 is connected to the AC circuit breaker 410 through the AC main circuit. A DC voltmeter 472, a DC ammeter 473, an AC voltmeter 474, an AC ammeter 475, a classifier 520 and a current transformer 510 of the current display panel 470.

The purpose of this voltage and current measurement circuit of the stand-alone inverter system is to directly measure the voltage and current of the stand-alone inverter system equipment and to distinguish between the DC line and the AC line of the stand-alone inverter system and the DC voltmeter 472, the DC ammeter 473 ), An AC voltmeter 474, and an AC ammeter 475 are provided.

On the other hand, the circuit configuration method is as follows.

(1) The solar module 230 is connected in series to the connection board 330.

(2) Connect the output of the connection panel 330 and the negative pole of the solar module 230 to the DC breaker 490 input.

(3) DC breaker 490 is connected to the charge controller 340 at the output side of the charge controller 340, DC breaker 490 is connected to the sorter 520 at the output of the charge controller 340, Lt; / RTI >

(4) Connected from the positive terminal of the battery 310 of the charge controller 340 to the positive terminal of the battery 310 and connected to the separator 520 at the terminal of the battery 310 of the charge controller 340 and then connected to the battery 310 ) - Connect to pole.

(5) Connect the positive and negative poles to the DC input terminal of the stand-alone inverter 320 at the +, - terminal of the battery 310 of the charge controller 340.

(6) Stand-alone inverter (320) Connect from AC output to auto switch (360) slave input terminal.

(7) Connect to the master input terminal of the automatic changeover switch (360) at the output of the AC breaker (410).

(8) When connecting from the output of the automatic changeover switch 360 to the load 550, it is connected via the current transformer 510.

(9) Connect to the respective DC ammeter 473 at the output signal terminal of the classifier 1,2 (520).

(10) Connect to the AC ammeter 475 at the output signal terminal of the current transformer 510.

(11) View and connect the circuit diagram to the DC voltmeter 472 and the AC ammeter 475, respectively.

(12) Set the charge controller 340 to match the voltage of the storage battery 310.

(13) When the DC-breaker 490 is turned on and the AC-breaker 410 is turned on, and the switch of the stand-alone inverter 320 is turned on, the lamp is turned on.

(14) When the AC breaker 410 is turned off, the automatic changeover switch 360 senses a power failure and automatically switches to the input power line of the stand-alone inverter 320 so that the lamp flashes momentarily.

It is to be noted that the DC circuit breaker 490 and the AC circuit breaker 410 are turned off before the circuit wiring and the positive and negative poles of the solar cell module 230 and the battery 310 are not short- do.

5 is a view for explaining an example of a configuration of a load control circuit in the stand-alone inverter system shown in Fig.

An example of a load control circuit in a stand-alone inverter system using an apparatus for testing solar power generation facilities according to the present invention is as shown in FIG. 5, which includes a solar module 230 composed of four solar cells, a 4CH connection module 330 And the DC circuit breaker 490, the charge controller 340, the storage battery 310, the stand alone inverter 320, the AC circuit breaker 410, the load 550, the automatic changeover switch 360, The DC voltmeter 472, the DC ammeter 473, the AC voltmeter 474, the AC ammeter 475, the classifier 520, the current transformer 510, the relay 530, and the DC output unit 540 of the panel 470, .

In a stand-alone inverter system, the load control circuit target is to control the load 550 of the stand-alone inverter system facility, understand and install the function of the relay 530, and see the given schematic for direct wiring.

The circuit configuration is as follows.

(1) The solar module 230 is connected in series to the connection board 330.

(2) Connect the output of the connection panel 330 and the negative pole of the solar module 230 to the DC breaker 490 input.

(3) Connect the DC breaker 490 + the output of the charge controller 340 to the solar input + side and the DC breaker 490-the output of the sorter to the sorter 520 and then the charge controller 340 the solar input- Lt; / RTI >

(4) Connected from the positive terminal of the battery 310 of the charge controller 340 to the positive terminal of the battery 310 and connected to the separator 520 at the terminal of the battery 310 of the charge controller 340 and then connected to the battery 310 ) - Connect to pole.

(5) Connect the positive and negative poles to the DC input terminal of the stand-alone inverter 320 at the +, - terminal of the battery 310 of the charge controller 340.

(6) Stand-alone inverter (320) Connect from AC output to auto switch (360) slave input terminal.

(7) Connect to the master input terminal of the automatic changeover switch (360) at the output of the AC breaker (410).

(8) When connecting from the output of the automatic changeover switch 360 to the load 550, it is connected via the current transformer 510.

(9) Connect to the respective DC ammeter 473 at the output signal terminals of the classifiers 520 1, 2.

(10) Connect to the AC ammeter 475 at the output signal terminal of the current transformer 510.

(11) View and connect the circuit diagram to the DC voltmeter 472 and the AC ammeter 475, respectively.

(12) Set the charge controller 340 to match the voltage of the storage battery 310.

(13) When the DC circuit breaker 490 is turned on and the AC circuit breaker 410 is turned on, the switch of the stand-alone inverter 320 is turned on, and the push button of the push button unit 381 is pressed as designed, do.

(14) When the AC circuit breaker 410 is turned off, the automatic changeover switch 360 senses a power failure and is automatically switched to the input power line of the stand-alone inverter 320 so that the load 550 flashes momentarily.

Note that the DC circuit breaker 490 and the AC circuit breaker 410 are turned off before circuit wiring and the + and - poles of the solar cell module 230 and the battery 310 are not short-circuited.

6 is a diagram for explaining an example in which a power supply and a load control circuit are constituted in the stand-alone inverter system shown in Fig.

An example of a power supply and a load control circuit in a stand-alone inverter system using an apparatus for testing solar power generation facilities according to the present invention is as shown in FIG. 6, which includes a solar module 230 composed of four solar cells, And the AC circuit breaker 410. The DC circuit breaker 490 is connected to the charge controller 340. The battery 310 is connected to the AC circuit breaker 410 through the AC main circuit. The DC voltage meter 472, the DC ammeter 473, the AC voltmeter 474, the AC ammeter 475, the classifier 520, the current transformer 510, the relay 530, the DC output unit 540 and a magnetic switch / thermal motor 500.

The goal of the power and load control circuit in the stand-alone inverter system using the photovoltaic power generation equipment experiment equipment is to control the power supply and load line of the stand-alone inverter system equipment and to control the relay 530, the magnetic switch / To understand and install the functions of the system, and to see the given circuit diagram and to wire it directly.

The circuit configuration method is as follows.

(1) The solar module 230 is connected in series to the connection board 330.

(2) Connect the output of the connection panel 330 and the negative pole of the solar module 230 to the DC breaker 490 input.

(3) Connect the DC breaker 490 + the output of the charge controller 340 to the solar input + side of the charge controller 340, connect the classifier 520 to the DC breaker 490 - the output of the charge controller 340, Lt; / RTI >

(4) Connect the + terminal of the battery 310 of the charge controller 340 to the + side of the battery 310 via the magnetic switch / thermoelectricity 500 a contact and connect the magnet 310 The switch / thermal over current (500) a contact is connected to the sorter 520 and then to the battery 310 - pole.

(5) Carefully connect the positive (+) and negative (-) poles to the DC input terminals of the standalone inverter (320) via the battery 310, +, - terminal of the charge controller 340 and the magnetic switch /

(6) Standalone inverter (320) When connecting the automatic changeover switch (360) slave at the AC output, look at the control circuit and wire the circuit.

(7) Connect to the master input terminal of the automatic changeover switch (360) at the output of the AC breaker (410).

(8) When connecting from the output of the automatic changeover switch 360 to the load 550, it is connected via the current transformer 510.

(9) Connect to the respective DC ammeter 473 at the output signal terminals of the classifiers 520 1, 2.

(10) Connect to the AC ammeter 475 at the output signal terminal of the current transformer 510.

(11) View and connect the circuit diagram to the DC voltmeter 472 and the AC ammeter 475, respectively.

(12) The DIP switch portion of the charge controller 340 is set to match the voltage of the battery 310.

(13) The DC circuit breaker 490 is turned on, the AC circuit breaker 410 is turned on, and then the switch of the stand-alone inverter 320 is turned on.

When the PB1 is pressed, the MC1 and MC2 contacts are closed to connect the charge controller 340 and the battery 310, and the battery 310 and the inverter 320 are connected. When PB3 is pressed, the output of the stand-alone inverter 320 is supplied to the automatic changeover switch 360 slave, and when the PB5 is depressed, power is supplied to the load 550 from the output of the automatic changeover switch 360. [

It should be noted that the DC circuit breaker 490 and the AC circuit breaker 410 are turned off before circuit wiring and the + and - poles of the solar cell module 230 and the battery 310 are not short-circuited .

On the other hand, in the stand-alone inverter system, the programmable logic controller control circuit is additionally configured with the programmable logic controller 420 in the configuration of Fig. 6, so that the programmable logic controller ladder program can be created and programmed.

Also, in the stand-alone inverter system, the wireless control exercises can be configured by adding a wired / wireless router 430, a wired / wireless serial communication device 440, and an RS-485 / RS-232 conversion device 450.

FIG. 7 is a diagram for explaining an example in which a grid interconnected inverter system is configured using the solar power generation equipment experimental apparatus shown in FIG. 1;

As shown in FIG. 7, an example of a grid-connected inverter system using an experimental apparatus for solar power generation equipment according to the present invention includes a solar module 230 composed of four solar cells, a 4CH connection unit 330, A DC interrupter 490, a grid interconnected inverter 350, an AC / DC converter 370, and an AC circuit breaker 410.

The experimental objective of the grid-connected inverter system using the photovoltaic power generation equipment experiment equipment is to construct the grid-connected inverter facility, understand and install the operation principle of the grid-connected inverter, and see the given circuit diagram.

A method of constructing a grid-connected inverter system circuit diagram using the photovoltaic power generation system experimental apparatus is as follows.

(1) The solar module 230 is connected in series to the connection board 330.

(2) Connect the output of the connection panel 330 and the negative pole of the solar module 230 to the DC breaker 490 input.

(3) Connect the output of the DC circuit breaker 490 to the DC input of the grid-connected inverter 350.

(4) Connect to the AC breaker 410 at the AC output of the grid-connected inverter 350.

(5) Power is generated when the DC circuit breaker 490 is turned on and the AC circuit breaker 410 is turned on.

At this time, since the DC operation voltage of the grid-connected inverter 350 can not be obtained during the indoor test, the AC / DC converter 370 is connected to the connection panel 330 instead of the solar module 230 to check grid- , It is checked whether the DC circuit breaker 490 and the AC circuit breaker 410 are off before the circuit wiring and the + and - poles of the solar module 230 and the grid interconnection inverter 350 are carefully connected.

Fig. 8 is a diagram for explaining an example in which the load control circuit of the grid interconnected inverter system shown in Fig. 7 is constructed.

As shown in FIG. 7, the load control circuit of the grid-connected inverter system using the solar power generation equipment testing apparatus according to the present invention includes a solar module 230 composed of four solar cells, a 4CH connecting unit 330, A DC voltage meter 472 of the DC circuit breaker 490, the grid interconnected inverter 350, the AC / DC converter 370, the AC breaker 410, the load 550, the overcurrent shutoff and voltage / current display panel 470, A DC ammeter 473, an AC voltmeter 474, an AC ammeter 475, a classifier 520, a current transformer 510, a relay 530, a DC output unit 540 and an induction watt hour meter 400 .

The objective of the load control circuit of the grid-connected inverter system using the photovoltaic power generation system experiment equipment is to construct a grid-connected inverter system, understand and install the operation principle of the grid-connected inverter, .

On the other hand, the circuit configuration method is as follows.

(1) The solar module 230 is connected in parallel to the connection board 330.

(2) Connect the output of the connection panel 330 and the negative pole of the solar module 230 to the DC breaker 490 input.

(3) The DC breaker 490 is connected to the + input of the grid-connected inverter 350 in the output portion, the DC breaker 490 is connected to the splitter 520 in the output portion of the grid-connected inverter 350, - Connect to pole.

(4) When connecting the grid-connected inverter (350) from the AC output to the load (550), route the control circuit through the current transformer (510).

(5) Connect the DC output (SMPS) (540) to the AC output of the grid-connected inverter (350).

(6) Connect the AC interrupter 410 to the AC output of the grid-connected inverter 350.

(7) Connect the AC breaker 410 to the output side of the induction watt-hour meter 400.

(8) Connect to the DC ammeter 473 from the output signal terminal of the classifier 1 (520).

(9) Connect to the AC ammeter 475 at the output signal terminal of the current transformer 510.

(10) View and connect the circuit diagram to the DC voltmeter 472 and the AC voltmeter 474 input signal, respectively.

It should be noted that the DC operation voltage of the grid-connected inverter 350 can not be obtained during the indoor operation, so that the AC / DC converter 370 is connected to the connection unit 330 instead of the solar module 230, Make sure that the DC circuit breaker and the AC circuit breaker are off before wiring the circuit and carefully connect the + and - poles of the solar module (230) and the grid-connected inverter (350).

While the present invention has been described with reference to the exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Therefore, the examples disclosed in the present invention are not intended to limit the scope of the present invention and are not intended to limit the scope of the present invention. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

100: Experimental table 110: Top plate
120: lower plate 130: table leg
140: Wheel 210: Solar module fixing bar
220: Two axis tracker 230: Solar module
240: motor 310: accumulator
320: Stand-alone inverter 330:
340: charge controller 350: grid-connected inverter
360: Automatic changeover switch 370: AC / DC converter
380: switch control section 381: push button section
382: Select switch 383: Toggle switch
390: Load control part 400: Induction type watt hour meter
410: Power input unit 420: Programmable logic controller
430: wireless router / router 440: wired / wireless serial communication device
450: RS-485 / RS-232 converter 460:
470: Overcurrent shutoff and voltage / current display panel
471: Overcurrent blocking unit 472: DC voltmeter
473: DC ammeter 474: AC voltmeter
475: AC ammeter 480: Touch computer
481: Hinge shaft 490: DC circuit breaker
500: Magnetic switch / thermoelectric
510: Current transformer 520: Classifier
530: Relay 540: DC output section
550: Load

Claims (10)

As a device for testing solar power generation facilities,
A battery 310 for receiving and storing DC power output from the solar module 230 sequentially through a connection panel 330, a DC circuit breaker 490, and a charge controller 340;
A stand-alone inverter 320 that receives DC power from the battery 310 and converts the AC power into AC power and supplies the power to the lamp load 550 as lamp power;
Overcurrent shutoff and voltage / current display panel that displays the DC voltage and DC current of each part in the photovoltaic power generation equipment experiment device and the AC voltage and AC current of each part in the PV plant 470);
A touch computer 480 having a touch screen and receiving and displaying a control command provided from an application program of the corresponding device in a touch format;
A current transformer 510 for extracting the currents flowing through the respective AC circuits in the photovoltaic power generation equipment experimental apparatus so as to be extracted to the outside;
A classifier (520) for classifying the currents flowing in the respective direct current circuits in the photovoltaic power generation equipment experimental apparatus and extracting them to the outside;
A relay 530 for connecting the load 550 and the stand-alone inverter 320;
A DC output unit 540 that converts the AC 220V power input through the AC circuit breaker 410 to DC power and provides the DC power to each unit in the solar power system experimental apparatus as driving power;
An automatic changeover switch (360) for automatically switching to a standby power supply when the main power supply in the solar power generation equipment experimental apparatus is turned off or the voltage falls below a reference value;
An AC / DC converter 370 that converts the AC 220V power input through the AC circuit breaker 410 to DC power and supplies the DC power to the grid-connected inverter 350;
A load control unit 390 for controlling the flashing of the load 550;
A single-phase induction watt-hour meter 400 for measuring and displaying the amount of power consumed in the load 550;
A programmable logic controller 420 for designing a program for performing the flashing of the load 550, the connection and disconnection of the DC line and the AC line in the photovoltaic power generation equipment experimental apparatus;
A magnetic switch / thermoelectric generator (500) composed of a magnetic switch for controlling the opening / closing of the electric current in the photovoltaic power generating apparatus experimental apparatus, a starting / stopping control of the apparatus, and a relay for operating the contact when a current exceeding a set value is applied;
A wired / wireless router (430) for connecting the wired / wireless Internet to control the solar power equipment experiment device from the outside; And
A wired / wireless serial communication device 440 for connecting to a wireless LAN for serial control and management at a remote place;
Wherein the solar cell is a solar cell.
The method according to claim 1,
A push button unit 381 composed of a plurality of push buttons for operating as a non-maintaining A contact push button, a DC power supply unit 540 for switching the DC power supplied from the SMPS (Switching Mode Power Supply) 540 to one of automatic, And a toggle switch 383 for selecting the closing of the contact (contact A, contact B); And
An RS-485 / RS-232 converter 450 for converting an RS-232 signal into an RS-485 signal in the wire / wireless serial communication;
Further comprising: a photovoltaic power generating unit for generating photovoltaic power;
The method according to claim 1 or 2,
A top plate 110 and a bottom plate 120 formed below the top plate 110 and spaced a predetermined distance from the bottom of the top plate 110 and the bottom plate 120, The test table 100 further comprises a plurality of table legs 130 for fixing and supporting the plurality of table legs 130 and a wheel 140 attached to each of the plurality of table legs 130,
The solar cell module 230, the storage battery 310, the inverter 320, the connection unit 330, the charge controller 340, the switch control unit 380, the AC circuit breaker 410 The overcurrent shutdown and voltage current display panel 470, the touch computer 480, the DC breaker 490, the current transformer 510, the classifier 520, the relay 530, the DC output unit 540, and the load 550 ),
In the lower part of the experimental table 40, the grid-connected inverter 350, the automatic changeover switch 360, the AC / DC converter 370, the load controller 390, the induction watt hour meter 400, the programmable logic controller 420) and a magnetic switch / thermal power generator (500).
The method according to claim 1 or 2,
In the case of constructing a stand-alone inverter system using solar power equipment experiment equipment,
The positive pole of the solar module 230 is connected to the connection panel 330 in parallel,
The output of the connection module 330 and the negative pole of the solar module 230 are connected to the input of the DC circuit breaker 490,
Connected to the charge controller 340 at the output of the DC circuit breaker 490,
The + and - terminals of the charge controller 340 and the battery 310 are connected,
The charging controller 340 is connected to the DC input terminal of the stand-alone inverter 320 at the +, - terminal of the battery 310,
The AC output of the stand-alone inverter 320 and the input of the AC circuit breaker 410 are connected,
The output of the AC circuit breaker 410 and the load 550 are connected,
The charge controller 340 is set to match the voltage of the battery 310,
Wherein the DC circuit breaker (490) is turned on and the AC circuit breaker (410) is turned on so that the load (550) is turned on.
The method of claim 4,
When the automatic switching circuit is additionally configured in the stand-alone inverter system,
The positive pole of the solar module 230 is connected to the connection panel 330 in parallel,
The output of the connection module 330 and the negative pole of the solar module 230 are connected to the input of the DC circuit breaker 490,
Connected to the charge controller 340 at the output of the DC circuit breaker 490,
The + and - terminals of the charge controller 340 and the battery 310 are connected,
The charging controller 340 is connected to the DC input terminal of the stand-alone inverter 320 at the +, - terminal of the battery 310,
A slave input terminal of the automatic changeover switch 360 is connected to the AC output of the stand alone inverter 320,
Connected to the master input terminal of the automatic changeover switch 360 at the output of the AC circuit breaker 410,
Connected to the load 550 from the output of the automatic changeover switch 360,
The charge controller 340 is set to match the voltage of the battery 310,
The DC circuit breaker 490 is turned on, the AC circuit breaker 410 is turned on, the switch of the stand-alone inverter 320 is turned on so that the load 550 is turned on,
The AC switch 410 is turned off and the automatic changeover switch 360 senses a power failure and is automatically switched to the input power line of the stand-alone inverter 320 so that the load 550 flashes momentarily Experimental equipment for power generation facilities.
The method of claim 4,
In the case of configuring the voltage and current measuring circuit in the stand-alone inverter system,
The photovoltaic module 230 is connected in series to the connection panel 330,
The output of the connection module 330 and the negative pole of the solar module 230 are connected to the input of the DC circuit breaker 490,
The DC breaker 490 plus an output is connected to the charge controller 340 and the DC breaker 490 is connected to the classifier 520 and the charge controller 340 is connected to the solar input- Connected,
Connected to the battery 310 from the + terminal of the battery 310 of the charge controller 340 and connected to the classifier 520 at the terminal of the battery 310 of the charge controller 340 Connected to the battery 310-pole,
The plus and minus terminals are connected to the DC input terminal of the stand-alone inverter 320 at the +, - terminal of the battery 310 of the charge controller 340,
The AC output of the stand-alone inverter 320 is connected to the slave input terminal of the automatic switch 360,
Connected to the master input terminal of the automatic changeover switch 360 at the output of the AC circuit breaker 410,
And is connected through the current transformer 510 when connected to the load 550 from the output of the automatic changeover switch 360,
Connected to each of the DC ammeters 473 at the output signal terminal of the classifier 520,
Connected to the AC current meter 475 at an output signal terminal of the current transformer 510,
Respectively, connected to the DC voltmeter 472 and the AC ammeter 475,
The charge controller 340 is set to match the voltage of the battery 310,
When the DC interrupter 490 is turned on and the AC circuit breaker 410 is turned on and the switch of the stand-alone inverter 320 is turned on, the load 550 is turned on,
When the AC circuit breaker 410 is turned off, the automatic changeover switch 360 senses a power failure and is automatically switched to the input power line of the stand-alone inverter 320 so that the load 550 flashes instantaneously. Experimental equipment for power generation facilities.
The method of claim 4,
In the case of configuring the load control circuit in the above-mentioned stand-alone inverter system,
The photovoltaic module 230 is connected in series to the connection panel 330,
The output of the connection module 330 and the negative pole of the solar module 230 are connected to the input of the DC circuit breaker 490,
The DC breaker 490 and the output are connected to the charge controller 340 and the DC breaker 490 and the output of the charge controller 340 are connected to the classifier 520, Lt; / RTI >
Connected to the battery 310 from the + terminal of the battery 310 of the charge controller 340 and connected to the classifier 520 at the terminal of the battery 310 of the charge controller 340 Connected to the battery 310-pole,
The plus and minus terminals are connected to the DC input terminal of the stand-alone inverter 320 at the +, - terminal of the battery 310 of the charge controller 340,
The AC output of the stand-alone inverter 320 is connected to the slave input terminal of the automatic switch 360,
Connected to the master input terminal of the automatic changeover switch 360 at the output of the AC circuit breaker 410,
And is connected through the current transformer 510 when connected to the load 550 from the output of the automatic changeover switch 360,
(520) are connected to the respective DC ammeters (473) at the output signal terminals of the classifiers (1,2)
Connected to the AC current meter 475 at an output signal terminal of the current transformer 510,
Are connected to the DC voltmeter 472 and the AC ammeter 475, respectively,
The charge controller 340 is set to match the voltage of the battery 310,
The DC circuit breaker 490 is turned on and the AC circuit breaker 410 is turned on and the switch of the stand-alone inverter 320 is turned on. When the push button of the push button unit 381 is pressed as designed, However,
When the AC circuit breaker 410 is turned off, the automatic changeover switch 360 senses a power failure and is automatically switched to the input power line of the stand-alone inverter 320 so that the load 550 flashes instantaneously. Experimental equipment for power generation facilities.
The method of claim 4,
In the case of constituting the power supply and the load control circuit in the stand-alone inverter system,
The solar module 230 is connected in series to the connection board 330,
The output of the connection module 330 and the negative pole of the solar module 230 are connected to the input of the DC circuit breaker 490,
The classifier 520 is connected to the output of the DC breaker 490 and the charge controller 340 is connected to the output of the DC breaker 490 + Connected to the input-pole,
The battery 310 of the charge controller 340 is connected to the positive terminal of the battery 310 via the contact point of the magnetic switch / thermoelectric battery 500 and the positive terminal of the battery 310 of the charge controller 340, (310) - terminal to the classifier (520) through the magnetic switch / thermal coil (500) a contact and then to the battery (310)
The plus and minus terminals are connected to the DC input terminal of the stand-alone inverter 320 through the +, - terminal of the battery 310 of the charge controller 340 and the magnetic switch /
The automatic switching switch 360 slaves are wired as designed circuits at the AC output of the stand-alone inverter 320,
Connected to the master input terminal of the automatic changeover switch 360 at the output of the AC circuit breaker 410,
And is connected through the current transformer 510 when connected to the load 550 from the output of the automatic changeover switch 360,
Connected to respective DC ammeters 473 at the output signal terminals of the classifiers 520,1,2,
Connected to the AC current meter 475 at an output signal terminal of the current transformer 510,
Connected to the DC voltmeter 472 and the AC ammeter 475, respectively,
The charge controller 340 is set to match the voltage of the battery 310,
The DC circuit breaker 490 is turned on, the AC circuit breaker 410 is turned on, the switch of the stand-alone inverter 320 is turned on,
When the push button unit 381 is pressed as designed, the contacts of the magnetic switch / thermal motor 500 and the MC1 and MC2 are closed to connect the charge controller 340 and the battery 310, The output of the stand-alone inverter 320 is switched to the slave of the automatic changeover switch 360 and the push button unit 381 is connected to the push button unit 381 Wherein power is supplied to the load (550) at the output of the automatic changeover switch (360) when pressed as designed.
The method according to claim 1 or 2,
In the case of constructing a grid-connected inverter system using the solar power generation equipment experimental apparatus,
The photovoltaic module 230 is connected in series to the connection panel 330,
The output of the connection module 330 and the negative pole of the solar module 230 are connected to the input of the DC circuit breaker 490,
Connected to the DC input of the grid-connected inverter (350) at the output of the DC circuit breaker (490)
Connected to the AC circuit breaker (410) at the AC output of the grid interconnected inverter (350)
The DC circuit breaker 490 is turned on and the AC circuit breaker 410 is turned on,
In the indoor experiment, the grid-connected inverter 350 can not obtain the DC operating voltage, so that the AC / DC converter 370 is connected to the connection panel 330 instead of the solar module 230, And confirms whether the DC circuit breaker 490 and the AC circuit breaker 410 are off before the circuit wiring is performed and the positive and negative poles of the solar module 230 and the grid interconnection inverter 350 are And the solar cell is connected with care.
The method of claim 9,
In the case of constructing the load control circuit of the grid interconnected inverter system,
The solar module 230 is connected in parallel to the connection board 330,
The output of the connection module 330 and the negative pole of the solar module 230 are connected to the input of the DC circuit breaker 490,
The DC breaker 490 is connected to the input of the grid-connected inverter 350 at the + output of the DC breaker 490 and connected to the separator 520 at the output of the DC breaker 490, 350) input - connected to the pole,
When the grid-connected inverter 350 is connected from the AC output to the load 550, the control circuit is wired through the current transformer 510,
The power of the direct current output unit (SMPS) 540 is connected to the AC output of the grid-connected inverter 350,
The AC interrupter 410 is connected to the AC output of the grid-connected inverter 350,
Connected to the output side of the inductive watt-hour meter (400) in the AC circuit breaker (410)
Connected to the DC ammeter 473 from the output signal terminal of the classifier 1 520,
Connected to the AC ammeter 475 at the output signal terminal of the current transformer 510,
The DC voltage meter 472 and the AC voltmeter 474 are connected to the input signal section by a design circuit diagram,
In the indoor experiment, the grid-connected inverter 350 can not obtain the DC operating voltage, so that the AC / DC converter 370 is connected to the connection panel 330 instead of the solar module 230, And confirms whether the DC circuit breaker 490 and the AC circuit breaker 410 are off before the circuit wiring is performed and the positive and negative poles of the solar module 230 and the grid interconnection inverter 350 are And the solar cell is connected with care.

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