KR20240036896A - Controller system for hybrid generator of wind turbine and solar module - Google Patents

Abstract

The present invention provides overcharging of the battery 130, which stores the power produced by the wind generator 110, the solar generator 120, the wind generator 110, or the solar generator 120, respectively. By implementing the maximum power point tracking MPPT algorithm to maximize the charging efficiency of the battery 130 using the dump load 140 and FPGA 151e to prevent power storage in the battery 130 and the dump load 140 A hybrid controller 150, and a wired/wireless interface that controls overcharge and overdischarge, and has a wired/wireless interface that enables wired/wireless communication with an external network to collect, store, manage, and analyze data related to application or power storage control. Through the hybrid controller 150, the authority to receive the measurement information of power generation and charging amount through standard protocol authentication is granted, and the external system includes a monitoring server that performs real-time monitoring by collecting, storing, managing, and analyzing the measurement information. We are launching a controller system for wind and solar hybrid power generation that connects to the network to collect, store, manage, and analyze measurement information, utilize it as big data, and analyze the measurement information for real-time monitoring.

Description

Controller system for wind and solar hybrid power generation {CONTROLLER SYSTEM FOR HYBRID GENERATOR OF WIND TURBINE AND SOLAR MODULE}

The present invention connects to an external network to collect, store, manage, and analyze measurement information, utilize it as big data, analyze measurement information for real-time monitoring, and realize thermal stability of the hybrid controller by using two types of heat dissipation fins. This relates to a controller system for wind and solar hybrid power generation.

As is well known, the demand for small hybrid controllers used to charge various energies such as hydropower, tidal power, solar power, small ORC power generation turbines, and wind power is rapidly increasing ahead of the rapidly progressing global transition to the era of new and renewable energy. I'm doing it.

Meanwhile, the main power generation area of small hybrid power generation systems is expected to be around 200 to 700 W, and most controllers are applicable only to DC power sources of 50 V or less, and due to the characteristics of custom-designed control programs, they can be used in the surrounding environment or limited areas. The use of the controller is possible only from the supply source, and due to the lack of communication function, there is a limitation in that the control program once set cannot be modified and secured to suit the local environment.

Accordingly, by connecting to an external network, measurement information is collected, stored, managed, and analyzed for use as big data, and measurement information is analyzed for real-time monitoring, and the thermal stability of the hybrid controller can be realized by two types of heat dissipation fins. Skills are required.

Korean Patent Publication No. 10-1613907 (Hybrid generator and its power control room, 2016.04.21) Korean Patent Publication No. 10-2018-0049511 (Monitoring control method for improving charging efficiency of hybrid power generation equipment, 2018.05.11)

The technical task to be achieved by the idea of the present invention is to collect, store, manage and analyze measurement information by connecting to an external network and utilize it as big data, analyze the measurement information and monitor it in real time, and connect to an external network to collect, store, manage and analyze measurement information. The goal is to provide a controller system for wind and solar hybrid power generation that can realize the thermal stability of the hybrid controller.

In order to achieve the above-described object, an embodiment of the present invention includes a wind power generator producing power of 800W or more; Solar generator producing more than 200W of power; a battery that stores power produced by the wind generator or the solar power generator, respectively; a dump load that prevents overcharging of the battery; By implementing the maximum power point tracking MPPT algorithm to maximize the charging efficiency of the battery using an FPGA, power storage in the battery and overcharging and overdischarging of the dump load are controlled, and application or power storage control-related data A hybrid controller equipped with a wired and wireless interface that enables wired and wireless communication with an external network to perform collection, storage, management, and analysis; And a monitoring server that is authorized to receive measurement information of power generation and charging amount by the hybrid controller through the wired/wireless interface through standard protocol authentication, and performs real-time monitoring by collecting, storing, managing, and analyzing the measurement information. Provides a controller system for wind and solar hybrid power generation, including:

Here, the hybrid controller includes a rectifier that rectifies variable AC power from the wind power generator, a DC/DC buck converter that strengthens the variable DC power rectified by the rectifier, and a front end of the DC/DC buck converter. a front-end sensor that measures the input voltage and current, a rear-end sensor that is formed at the rear of the DC/DC buck converter and measures the output voltage and current, and the FPGA from the wind turbine to the DC/DC buck converter. It consists of a first gate driver that controls the blocking switch, a second gate driver that controls the blocking switch to the dump load by the FPGA, and a third gate driver that controls the DC/DC buck converter by the FPGA. a first control stage; and a DC/DC boost converter that increases variable DC power from the solar generator, a front-end sensor formed at the front of the DC/DC boost converter to measure input voltage and current, and a back-end of the DC/DC boost converter. A back-end sensor is formed in and measures the output voltage and current, a fourth gate driver controls a cutoff switch from the solar generator to the DC/DC boost converter by the FPGA, and the dump load by the FPGA. It may include a second control stage, which is composed of a fifth gate driver that controls the cutoff switch, and a sixth gate driver that controls the DC/DC boost converter by the FPGA.

In addition, the hybrid controller is connected through an interface to a first sensor that measures the temperature, humidity, fine dust, wind direction, and wind speed of the external environment, and receives the measured values, and detects the temperature of the cells of the hybrid controller through the second sensor. You can measure and receive the measured value.

Additionally, the hybrid controller can charge the battery in three stages: bulk, charge, and sleep.

In addition, the wind power generator includes spiral blades, a generator, an encoder that measures the rotation speed of the spiral blades, and a brake to prevent over-rotation of the spiral blades, and the hybrid controller operates according to the rotation speed by the encoder. You can control the brakes.

Additionally, the monitoring server can analyze the measurement information to verify the function of the hybrid controller, eliminate causes of errors and malfunctions, diagnose failures, and predict replacement times.

According to the present invention, by connecting to an external network, measurement information is collected, stored, managed, and analyzed for use as big data, measurement information is analyzed for real-time monitoring, and thermal stability of the hybrid controller is maintained by two types of heat dissipation fins. There is an effect that can be implemented.

Figure 1 shows a schematic configuration diagram of a controller system for wind and solar hybrid power generation according to an embodiment of the present invention.
FIG. 2 illustrates a circuit diagram of the hybrid controller of the wind and solar hybrid power generation controller system of FIG. 1.
Figure 3 illustrates the wind chime generator of the controller system for wind and solar hybrid power generation of Figure 1.
Figure 4 illustrates the module case and heat dissipation module of the controller system for wind and solar hybrid power generation in Figure 1.

Hereinafter, embodiments of the present invention having the above-described features will be described in more detail with reference to the attached drawings.

The controller system for wind and solar hybrid power generation according to an embodiment of the present invention controls the power produced by the wind generator 110, the solar generator 120, the wind generator 110, or the solar generator 120. By implementing the maximum power point tracking MPPT algorithm to maximize the charging efficiency of the battery 130 using the storage battery 130, the dump load 140 to prevent overcharging of the battery 130, and the FPGA 151e, Controls storage of power in the battery 130 and overcharging and overdischarging of the dump load 140, and enables wired and wireless communication with an external network to collect, store, manage, and analyze data related to application or power storage control. The hybrid controller 150, which has an interface, and a wired/wireless interface are authorized to receive the measurement information of power generation and charge amount by the hybrid controller 150 through standard protocol authentication, so as to collect, store, and manage the measurement information. Including a monitoring server that performs analysis and monitors in real time, the purpose is to connect to an external network to collect, store, manage, and analyze measurement information, use it as big data, and analyze measurement information for real-time monitoring.

Hereinafter, with reference to FIGS. 1 to 4, the controller system for wind and solar hybrid power generation of the above-described configuration will be described in detail as follows.

First, the wind generator 110 produces power of 800W or more and transmits it to the hybrid controller 150.

Here, referring to FIG. 4, the wind power generator 110 includes a spiral blade 111, a generator 112, an encoder for measuring the rotation speed of the spiral blade, and a magnetic brake ( 113) and a yawing system 114 that rotates according to the wind direction, and the hybrid controller 150 can control the brake according to the number of rotations by the encoder.

Next, the solar generator 120 produces power of 200W or more and transmits it to the hybrid controller 150.

Next, the battery 130 stores the power produced by the wind generator 110 or the solar generator 120, respectively. Here, the battery 130 is divided into four banks to enable smooth charging without loss of input voltage by the hybrid controller 150.

Next, the dump load 140 stores or consumes surplus power to prevent overcharging of the battery 130.

Next, the hybrid controller 150 uses the FPGA 151e (Field Programmable Gate Array) to implement the maximum power point tracking MPPT algorithm to maximize the charging efficiency of the battery 130, thereby storing power in the battery 130. And a wired and wireless interface that enables wired and wireless communication with an external network to control overcharge and overdischarge of the dump load 140, and to collect, store, manage, and analyze data related to power production and power storage applications or power storage control. Equipped with

Here, the hybrid controller 150 includes a first control stage 151 that controls the storage of power produced from the wind generator 110, and a second control stage that controls the storage of power produced by the solar generator 120. Includes stage 152.

Specifically, referring to FIGS. 1 and 2, the first control stage 151 includes a rectifier 151a that rectifies variable AC power from the wind power generator 110, and variable DC power rectified by the rectifier 151a. A DC/DC buck converter (151b) that strengthens, a front-end sensor (151c) formed at the front end of the DC/DC buck converter (151b) to measure the input voltage and current, and a rear end of the DC/DC buck converter (151b) A rear-end sensor 151d is formed to measure the output voltage and current, and a first gate driver 151f controls the cutoff switch from the wind power generator 110 to the DC/DC buck converter 151b by the FPGA 151e. , a second gate driver (151g) that controls the blocking switch to the dump load (140) by the FPGA (151e), and a third gate driver (151g) that controls the DC/DC buck converter (151b) by the FPGA (151e) 151h) and a load sensor 151i that measures the input voltage and current to the dump load 140.

In addition, the second control stage 152 is formed at the front of the DC/DC boost converter 152a, which increases the variable DC power from the solar generator 120, and the input voltage and A front-end sensor that measures the current, a rear-end sensor formed at the rear of the DC/DC boost converter (152a) to measure the output voltage and current, and a DC/DC boost converter from the solar generator (120) by the FPGA (151e). A fourth gate driver that controls the blocking switch to (152a), a fifth gate driver that controls the blocking switch to the dump load (140) by the FPGA (151e), and a DC/DC boost converter ( It may be configured as a sixth gate driver that controls 152a).

In addition, the hybrid controller 150 can charge the battery 130 in three stages: bulk, charge, and sleep in an optimized manner to extend the life of the battery 130. there is.

Meanwhile, the hybrid controller 150 is connected through an interface with a first sensor that measures environmental information such as temperature, humidity, fine dust, wind direction, and wind speed of the external environment, and receives the measured values in real time, and receives the measured values in real time through the second sensor. Measures the temperature of the cells of the hybrid controller 150, receives and stores the measured values in real time, controls the amount of power produced by the wind generator 11 and the solar generator 120, and controls the amount of power stored in the battery 130. It can be used as big data on the monitoring server to predict power production by day, month, quarter, or year.

Next, the monitoring server is authorized to receive measurement information and environmental information of the power generation and charging amount by the hybrid controller 150 through a wired and wireless interface through standard protocol authentication, and collects, stores, and manages the measurement information and environmental information. Perform analysis to monitor power production and power storage status in real time.

In addition, the monitoring server analyzes measurement information and environmental information transmitted wired or wirelessly from the hybrid controller 150 to verify the function of the hybrid controller 150 to eliminate causes of errors and malfunctions, diagnose failures, and predict replacement times. You can do it.

FIG. 4 illustrates the module case 162 and the heat dissipation module of the wind and solar hybrid power generation controller system of FIG. 1, which will be described in detail as follows.

The hybrid controller 150 is mounted by being electrically connected to the electrode pad 163 of the module case 162 equipped with external electrodes 161, and a heat dissipation module 164 is coupled to the bottom of the module case 162, The heat dissipation module 164 includes a first heat dissipation fin 165 made of copper formed in an overlapping area with the module case 162, and a second heat dissipation fin 166 made of aluminum formed in an area that does not overlap the module case 162. By providing a , heat generated by the hybrid controller 150 can be smoothly dissipated to achieve thermal stability.

That is, a first heat dissipation fin 165 made of copper with good thermal conductivity is formed in the area in direct contact with the module case 162, and a second heat dissipation fin 166 made of aluminum is formed in the area adjacent to the first heat dissipation fin 165. By forming it to conduct heat at low cost, a good heat dissipation effect can be realized.

In addition, between the first heat dissipation fin 165 and the second heat dissipation fin 166, a cooling pipe is additionally disposed in a zigzag shape to allow cooling to be performed by air or water cooling, so that the high heat measured by the second sensor is controlled by the hybrid controller ( 150) may be able to cope by controlling the induction of cold air or coolant into the cooling pipe.

Additionally, a heat sink made of copper may be formed in the area in contact with the bottom of the module case 162 and configured to be coupled to the first heat sink fin 165.

Additionally, the first heat dissipation fin 165 may be formed in a structure that is partially exposed from the heat dissipation module 164 to expand the heat dissipation area.

In addition, the power stored in the battery 130 can be supplied to street lights, traffic lights, outdoor lighting devices, safe call posts, etc. to ensure stable supply without external power supply.

Therefore, by configuring the controller system for wind and solar hybrid power generation as described above, the measurement information is collected, stored, managed and analyzed by connecting to an external network to utilize it as big data, and the measurement information is analyzed in real time. monitoring, and the thermal stability of the hybrid controller can be realized by two types of heat dissipation fins.

The embodiments described in this specification and the configurations shown in the drawings are only one of the most preferred embodiments of the present invention and do not represent the entire technical idea of the present invention, so various equivalents may be substituted for them at the time of filing the present application. It should be understood that variations and variations may exist.

110: wind generator 111: spiral blade
112: electric generator 113: magnetic brake
114: Yawing system 120: Solar generator
130: Battery 140: Dump load
150: Hybrid controller 151: First control stage
152: second control stage 161: external electrode
162: module case 163: electrode pad
164: Heat dissipation module 165: First heat dissipation fin
166: Second heat dissipation fin

Claims (6)

Wind turbines producing more than 800W of power;
Solar generator producing more than 200W of power;
a battery that stores power produced by the wind generator or the solar power generator, respectively;
a dump load that prevents overcharging of the battery;
By implementing the maximum power point tracking MPPT algorithm to maximize the charging efficiency of the battery using an FPGA, power storage in the battery and overcharging and overdischarging of the dump load are controlled, and application or power storage control-related data A hybrid controller equipped with a wired and wireless interface that enables wired and wireless communication with an external network to perform collection, storage, management, and analysis; and
A monitoring server that is authorized to receive measurement information of power generation and charging amount by the hybrid controller through the wired/wireless interface through standard protocol authentication and performs real-time monitoring by collecting, storing, managing, and analyzing the measurement information. doing,
Controller system for wind and solar hybrid power generation.
According to paragraph 1,
The hybrid controller,
A rectifier that rectifies variable AC power from the wind power generator, a DC/DC buck converter that strengthens the variable DC power rectified by the rectifier, and a front end of the DC/DC buck converter to measure input voltage and current. A front-end sensor that is formed at the rear of the DC/DC buck converter to measure output voltage and current, and a first that controls a cutoff switch from the wind power generator to the DC/DC buck converter by the FPGA. A first control stage consisting of a gate driver, a second gate driver that controls a blocking switch to the dump load by the FPGA, and a third gate driver that controls the DC/DC buck converter by the FPGA; and
A DC/DC boost converter that increases variable DC power from the solar generator, a front-end sensor formed at the front of the DC/DC boost converter to measure input voltage and current, and a front-end sensor at the rear of the DC/DC boost converter. A back-end sensor is formed to measure the output voltage and current, a fourth gate driver that controls a cutoff switch from the solar generator to the DC/DC boost converter by the FPGA, and a fourth gate driver that controls the cutoff switch to the dump load by the FPGA. A second control stage consisting of a fifth gate driver that controls the cutoff switch and a sixth gate driver that controls the DC/DC boost converter by the FPGA,
Controller system for wind and solar hybrid power generation.
According to paragraph 1,
The hybrid controller is connected through an interface to a first sensor that measures the temperature, humidity, fine dust, wind direction, and wind speed of the external environment, and receives measured values, and measures the temperature of the cells of the hybrid controller through the second sensor. Characterized in receiving the measured value,
Controller system for wind and solar hybrid power generation.
According to paragraph 1,
The hybrid controller is characterized in that it charges the battery in three stages: bulk, charge, and sleep.
Controller system for wind and solar hybrid power generation.
According to paragraph 1,
The wind power generator includes spiral blades, a generator, an encoder that measures the number of rotations of the spiral blades, and a brake to prevent over-rotation of the spiral blades,
The hybrid controller is characterized in that it controls the brake according to the number of rotations by the encoder,
Controller system for wind and solar hybrid power generation.
According to paragraph 1,
The monitoring server analyzes the measurement information to verify the function of the hybrid controller, eliminates causes of errors and malfunctions, diagnoses failures, and predicts replacement times.
Controller system for wind and solar hybrid power generation.