KR100725755B1 - Solar power unit - Google Patents

Abstract

The present invention relates to a photovoltaic device, and more specifically, to collect, analyze and store various data of a photovoltaic power generation facility installed at a remote location, and to control the installed equipment using the analyzed data in an optimal state to generate solar power. It is to increase the efficiency.

That is, the remote control system installed in the central control headquarters, the central control main device connected to the remote control system, a network, a power conversion device, a solar array display device, the power system also comprises a central display device, In case of abnormality such as system malfunction in the control main device, the central control main device (MCS DUAL) with redundancy function to protect the entire system by automatically switching over the system and the accuracy of time for the measurement and control of all equipment GPS automatic time receiver with time data function by GPS reference time reception and weather measurement function and display function to measure and maintain temperature, temperature, insolation, precipitation, wind direction, wind speed data Automated meteorological observation device to be installed, video surveillance function of the whole system installation equipment and the place where the alarm sensor is installed It features a photovoltaic power generation device consisting of a video surveillance device that performs particle monitoring and alarm functions.

Description

Photovoltaic device {Photovoltaic power generation apparatus}

1 is a block diagram showing the overall configuration of the present invention

2 is a configuration example of the video surveillance apparatus of the present invention

Figure 3 is a front view of the installation state of the remote control system of the present invention

* Explanation of symbols for main parts of the drawings

10: remote control system 20: central control main unit

25: system redundancy 30: network

31: serial gateway 40: power converter

45: solar array measuring device 50: power system diagram display device

60: GPS automatic visual receiver 70: automatic weather observation device

80: video surveillance device 90: internephone device

A: Solar cell module S: Transmission system

The present invention relates to a photovoltaic device, and more particularly, to collect, analyze and store various data of a photovoltaic power generation facility installed at a remote location, and to control the installed equipment using the analyzed data in an optimal state to generate solar power. It is to increase the efficiency.

In general, PV (Power Generation System) is actively being researched and developed in advanced countries as a solution to global environmental problems and diversification of future energy sources due to the pollution-free and indefiniteness of solar energy.

In particular, because Korea lacks resources, it is absolutely necessary to develop alternative energy, and in particular, it is necessary to develop environmentally friendly energy to prevent environmental pollution. To this end, the development of photovoltaic power generation systems is being activated.

Such a photovoltaic power generation system is a facility that charges a direct current produced by a solar collector plate to a storage battery through an output control device or converts an inverter into an alternating current and supplies it to a customer. This solar power system uses no electricity during the day and uses electricity charged in the battery at night. In case of rainy weather or lack of sunshine, electricity cannot be produced. .

At this time, it is necessary to collect, analyze and store various data of photovoltaic power generation facilities installed at remote sites and to control the installed facilities in the optimal state using the analyzed data.

The photovoltaic device of the present invention is a power generation that can accurately monitor and control the stability of the monitoring system, accuracy of time for measurement and control, real-time monitoring of power generation facilities, various situation changes of power generation capacity such as various weather condition changes, etc. It is to provide a photovoltaic device that can increase power generation efficiency with various and accurate integrated monitoring system of facilities.

The photovoltaic device of the present invention includes a remote control system 10 installed at a central control headquarters, a central control main apparatus 20 connected to the remote control system, a network 30, a power converter 40, In the solar array measuring device 45 and the power system display device 50, when one of the central control unit 20 malfunctions, such as a malfunction of the system, the other system automatically switches over to operate the entire system. System redundancy system (MCS DUAL) with protection redundancy function and GPS automatic time receiver 60 with time data function by GPS reference time reception to match time accuracy for measurement and control of all equipment And automatic meteorological observation device 70 which is installed to measure and maintain data of temperature, temperature, insolation, precipitation, wind direction and wind speed in order to have weather measurement function and display function. It consists of a video surveillance device (80) for the video surveillance function of the dental equipment and the person monitoring and alarm function of the place where the alarm sensor is installed.

The apparatus further includes an Internet phone apparatus 90 capable of remotely controlling the web-based system management by the administrator manually monitoring the operation status of the power generation apparatus.

In the drawings, reference numeral S denotes a transmission system section.

Hereinafter, the preferred embodiment according to the present invention in more detail.

Remote control system 10 is installed in the central control headquarters; It is a device for the administrator to monitor and control the photovoltaic power generation facilities through the computer. It is linked with the central control station (Engineering Station) and facilitates the monitoring control based on the Internet, Network, and CDMA wireless communication. The CCTV remote control PC 11, the MMI remote control PC 12 and the printer 13 are provided.

In addition, the remote control system 10 is a software that is applied to the integrated supervisory control that is built on the Internet for the integrated supervisory control, the user can use the latest OS (Linux, Unix, MS_Windows) software as the basic environment of the system, It should be easy to set up and operate / monitor the entire system, and provide real-time multitasking and rich operating system (OS) environment to run with optimized performance. It is to be constructed as a supporting system, and the screen configuration is a monitoring and control screen through a web browser, and other necessary states and menus are displayed in the form of icons, and the status of each major facility can be monitored on one screen as a whole.

In addition, the remote control system 10 is a screen in which all generated alarms are collectively arranged, and when an alarm occurs, alarms are displayed by displaying the minute, second, tag name, tag comment, and alarm status in a single line. It is necessary to be able to grasp the state as a whole, to display data of at least 24 hours, and to display the change over time of the measured value. It should be possible to monitor and analyze the status trend of past information by displaying it on one screen, and select specific measurement values only if necessary for each screen, and make it easy to check the change of measured values with the selected color. All the operation screens including the monitoring of the measured value, operation and window screens of various formats should be displayed at the same time, and daily, weekly, monthly, alarm, Operation conditions such as reporting capabilities and to have access (Access) data processing function to another function in that the various types of data that require processing of these data classification received from each measuring apparatus is also preferred.

As described above, the remote control system 10 installed in the central control center can check the state information and real-time data of the equipment through system monitoring, and can view the stored data and real-time data in the form of graphs by analyzing the data and manage them. Data detected by the equipment to be stored in the database. Check the report in the format of daily, monthly, and yearly. If there is an error in the data detected at the site and equipment, you can view the alarm view to check the events recorded in the database and view the system configuration as an image. You can do it.

Central control main apparatus 20; It collects, analyzes, saves various data of photovoltaic power generation facilities, and is equipped with dedicated software to control the installed equipment by using the analyzed data. CCTV local control PC (21), web server (Web Server) (22), Printer (23) and system redundancy system (MCS) composed of two MCSs to protect the whole system by operating system automatically in case of system fail or abnormality in one system. DUAL) 25 is provided.

In addition, the central control main apparatus 20 has a stabilization function having a function for the stability of data communication between various types of communication and power control and power monitoring communication devices, and has a high-speed data communication function for control measurement monitoring of the system. High-speed data communication function, system expandability function that can measure the module in the case of expansion of solar array module in the future, and software upgrade (S / W upgrade) should be possible without adding additional device when adding power measurement device.

In the central control main device 20 as described above, the entire system is controlled and monitored, data communication between the web system and the remote control program, power measurement function and power monitoring function, interface with the DVR control system, alarm and sensor information reception are performed. With system interface function (MCS DUAL) (25) with system interface function, communication system, power control and power monitor It greatly improves the stability of data communication between them, improving the reliability of power generation.

The network 30; The collected data should be received through the TCP / IP port and connected to the serial gateway way 31 and the power generation network, and the TCP / IP port, the USB port, the wired and wireless Internet access port should be provided.

The network 30 receives the data interfaced from the serial gateway through Ethernet, converts it into a standardized data protocol, and transmits the data to the integrated server using the photovoltaic communication network of the power generation device. Power-related devices such as converter 40, solar array measurement device 45, and power system display device 50 may be controlled by a remote control system.

The serial gateway 31 is a device for data interface with inverters, digital relays, and devices that can be interfaced later. Output, serial communication port is provided.

The power converter 40 is; Power conversion means for converting DC power output from solar cell module (A) into AC power and supplying it to the system.It monitors the current operation and control status of the device, displays the data collection and control status, and displays the status and data of the main. Notify and forward to the device.

Solar array measuring device 45; Collect and transmit data of voltage and current collected by solar cell module array slave measuring device of each group to upper system, monitor and control the status of PV array module of each group, and measure voltage and current of all solar cell arrays And operation function, if it detects abnormal condition of solar cell array module by group, it transfers to upper system, shuts off solar array switch, and if it is recognized as normal state, slave device automatically connects switch and remote control system In the case of control, the slave device performs the function by the control command from the host system and transmits the result and status to the host system.

Power system display device 50; The flow of the power system can be known intuitively and its status (power equipment status and open / closed switch status) should be displayed.

The power system diagram display device 50 displays the current power flow and state as an LED status plate, and the display device includes weather data and time, the flow, power generation amount, and transmission amount of the current power system.

GPS automatic time receiving device 60; It receives data from satellites, extracts and calculates time information, delivers notification to the entire system, and displays the reference time on its own segment or LCD.

By the GPS automatic time receiver 60, the time data matching function by GPS reference time reception is matched with the accuracy of time for measurement and control of all equipment, thereby improving power generation stability.

Automatic meteorological observation device 70; It has a weather measurement function and a display function, but the temperature, humidity, insolation, precipitation, wind direction and wind speed should be measured and displayed at the location where it is installed for maintenance.

By the automatic meteorological observation device 70, the weather conditions by time zone, daily, weekly, and monthly (slope surface insolation, horizontal surface insolation, outside temperature, solar cell surface temperature), solar cell power generation status, load status, etc. By displaying the maximum and cumulative values, it is possible to accurately measure the generated capacity.

Video surveillance apparatus 80; It is an analog multi-signal receiver and analog multi-signal consisting of H / W connection for the position sensor and alarm sensor interface. It is composed of a camera control unit that controls the direction of the camera by receiving the command from the position sensor monitoring unit and remote control computer that receives interface data from the host system and transmits it to the upper system (remote monitoring system) and system according to the type. DVR) Performs screen recording, screen saving and screen search function in the system.

When the video surveillance apparatus 80 accesses the video surveillance function according to the camera direction control, the automatic recording function by the motion detection and sensor operation, the accessor monitoring and alarm function at the place where the alarm sensor is installed, and the specific equipment indoors Provides status display function, simultaneous video monitoring through various split screens (1 ~ 16 split), individual cameras by day, time, recording designation function, centralized monitoring for specific cameras, playback speed control, Save and search function, save or print a specific recorded scene, and image correction function: Adjust the contrast and brightness according to the site's condition to correct the best image, and transmit the live image and various operation status through the remote network. It is possible to monitor and monitor recorded video at the request of a remote user at any time, so it is possible to change the status of the overall system quickly. It is able to cope.

 The Internet phone device 90 provides speaker phone functions, supports various function keys, provides optimal sound quality by applying QoS technology to cope with various delays and packet errors on the Internet, supports Power over Ethernet (PoE) function, and various network management functions. Supports standard SNMP Agent and MIB II, Bridge MIB for systematic device management, Telnet and Rlogin function to enable remote control function, Web-based device management function, Remote by TFTP and FTP Support software upgrades.

The Internet phone device 90 allows the administrator to manually monitor the operating status of the power generation device, which enables web-based system management and remote control.

On the other hand, the controller and various servers for monitoring control based on the monitor, the Internet, the network, the CDMA wireless communication provided in the remote control system 10 are embedded in one housing as shown in FIG. It is desirable to ensure effective protection and monitoring.

As described above, the photovoltaic device of the present invention has the stability of the monitoring system by the system redundancy device (MCS DUAL) of the central control main device, the accuracy of time for measurement and control by the GPS automatic time receiving device, and the automatic meteorological observation device. It is characterized by having various and accurate integrated monitoring system of power generation facilities that can accurately monitor and control power generation facilities in real time monitoring and various situational changes of power generation capacity such as various weather condition changes.

In addition, the Internet phone device allows the administrator to monitor the operating status of the power generation device manually to increase the efficiency of solar power generation, such as web-based system management and remote control.

Claims (2)

Remote control system 10 installed in the central control headquarters, the central control main device 20 connected to the remote control system, the network 30, the power converter 40, the solar array measuring device 45 In the power system also comprises a display device 50,  In case of an abnormality such as a malfunction of the system in one central control main unit 20, another system automatically switches over to the system and protects the entire system.  GPS automatic time receiver 60 of time data function by GPS reference time reception to match time accuracy for measurement and control of all equipment,  Automatic weather observation device 70 is installed to measure and maintain the data of temperature, temperature, insolation, precipitation, wind direction, wind speed in order to have a weather measurement function and a display function,  Photovoltaic power generation device, characterized in that the video surveillance function of the whole system installation equipment and the video surveillance device 80 for the entrance monitoring and alarm function of the place where the alarm sensor is installed The solar cell apparatus according to claim 1, further comprising an Internet phone device (90) capable of remotely controlling a web-based system by allowing an administrator to manually monitor the operation of the power generation apparatus.

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