CN207473341U - A kind of cooperative control device for integrated energy system of providing multiple forms of energy to complement each other - Google Patents

Abstract

The utility model discloses a coordination control device for a multi-energy complementary comprehensive energy system, which comprises a distributed IO interface unit, a coordination controller unit and a comprehensive energy management unit, and the comprehensive energy management unit communicates with the coordination controller through the Ethernet Each coordinating controller in the unit is connected; each coordinating controller in the coordinating controller unit is connected with each distributed IO interface unit through Ethernet; each distributed IO interface unit is connected with the corresponding electrical equipment controller connect. The utility model includes a distributed IO interface unit, a coordination controller unit and a comprehensive energy management unit, and establishes a communication connection through the Ethernet, which can realize optimal scheduling and real-time coordinated control of the comprehensive energy system, thereby realizing the multi-energy complementary comprehensive energy system. Economical operation, with good application prospects.

Description

A coordinated control device for multi-energy complementary integrated energy system

technical field

The utility model relates to a coordination control device for a multi-energy complementary comprehensive energy system, which belongs to the technical field of energy control.

Background technique

The multi-energy complementary integrated energy system is based on different resource conditions and energy-using objects, and adopts the way of complementing each other with multiple energy sources such as heat, electricity, and gas, so as to improve the energy utilization rate of the energy system, which is the development direction of the future energy system.

At present, the multi-energy complementary integrated energy systems that exist on the market can be realized through automatic control, but how to collect and coordinate the multi-energy flow of electricity, heat, and gas from a global perspective is still in the research stage.

Considering the close coupling between multi-energy flows in the integrated energy system, there will be many problems in directly and simply copying the optimal scheduling method of the traditional power grid or heating pipe network to the multi-energy complementary integrated energy system. It is very important for the coordinated control device of the multi-energy complementary comprehensive energy system.

Utility model content

The purpose of the utility model is to overcome the problem that the existing multi-energy complementary comprehensive energy system cannot conduct multi-energy flow collection and coordinated optimization of electricity, heat and gas from a global perspective. The coordination control device for the multi-energy complementary comprehensive energy system of the utility model includes a distributed IO interface unit, a coordination controller unit and a comprehensive energy management unit, and establishes a communication connection through Ethernet, which can realize the optimal scheduling and coordination of the comprehensive energy system. Real-time coordinated control, so as to realize the economic operation of the multi-energy complementary comprehensive energy system, has a good application prospect.

In order to achieve the above object, the technical solution adopted in the utility model is:

A coordinated control device for a multi-energy complementary integrated energy system, including a distributed IO interface unit, a coordinated controller unit and an integrated energy management unit,

The integrated energy management unit is connected to each coordination controller in the coordination controller unit through Ethernet;

Each coordination controller in the coordination controller unit is connected with each distributed IO interface unit through Ethernet;

Each distributed IO interface unit is connected to a corresponding electrical equipment controller, and the electrical equipment controller includes a combined cooling, heating and power supply equipment controller, a distributed power generation equipment controller, a cooling and heating load peak-shaving equipment controller, The energy storage device controller is connected.

The aforementioned coordinated control device for a multi-energy complementary integrated energy system, the distributed power generation equipment controller includes a distributed photovoltaic equipment controller and a distributed wind power equipment controller; the cooling and heating load peak-shaving equipment control The controller includes an electric refrigeration unit controller, a supplementary combustion boiler controller, and a heat pump controller; the energy storage device controller includes a thermal storage device controller, a cold storage device controller, and an electrical storage device controller.

The aforementioned coordinated control device for a multi-energy complementary integrated energy system, the coordinated controller includes a master coordinated controller and a slave coordinated controller, and the master coordinated controller and the slave coordinated controller adopt redundant way to run.

The aforesaid coordination control device for multi-energy complementary integrated energy systems, the master coordination controller and the slave coordination controller both include a coordination control CPU circuit, a first Ethernet expansion circuit, a second Ethernet expansion circuit and The first power supply circuit, the coordination control CPU circuit is connected to the corresponding distributed IO interface unit through the first Ethernet expansion circuit; the coordination control CPU circuit is connected to the comprehensive energy management unit through the second Ethernet expansion circuit, The first power supply circuit provides working voltages for the coordination control CPU circuit, the first Ethernet extension circuit, and the second Ethernet extension circuit respectively.

In the aforementioned coordinated control device for a multi-energy complementary integrated energy system, each distributed IO interface unit includes a distributed CPU circuit, a digital input circuit, a digital output circuit, an analog input circuit, and an analog output circuit, an Ethernet communication interface circuit and a second power supply circuit, the distributed CPU circuit is connected to the corresponding coordination controller through the Ethernet communication interface circuit, and the output terminals of the digital quantity input circuit and the analog quantity input circuit are connected to the distributed The input terminals of the type CPU circuit are connected, the input terminals of the digital output circuit and the analog output circuit are connected with the output terminals of the distributed CPU circuit, the output terminals of the digital input circuit and the analog input circuit The output terminals of the corresponding electrical equipment controllers are connected; the output terminals of the digital output circuit and the analog output circuit are connected with the input terminals of the corresponding electrical equipment controllers.

The aforementioned coordinated control device for a multi-energy complementary integrated energy system, the integrated energy management unit includes a front-end acquisition server, a database server, an optimization analysis server, a history storage server, and a human-computer interaction workstation, and the front-end The acquisition server is connected to each coordination controller in the coordination controller unit through Ethernet; the front acquisition server is connected to the optimization analysis server, and the database server, historical storage server and human-computer interaction workstation are respectively connected to the optimization analysis server connect.

The beneficial effects of the utility model are: the coordination control device for the multi-energy complementary comprehensive energy system of the utility model includes a distributed IO interface unit, a coordination controller unit and a comprehensive energy management unit, and establishes a communication connection through the Ethernet, which can It has a good application prospect to realize the optimal scheduling and real-time coordinated control of the integrated energy system, so as to realize the economic operation of the multi-energy complementary integrated energy system.

Description of drawings

Fig. 1 is the system block diagram of the coordinated control device for multi-energy complementary comprehensive energy system of the present utility model;

Fig. 2 is the system block diagram of master and slave coordination controller of the present utility model;

Fig. 3 is the system block diagram of the distributed IO interface unit of the present utility model;

Fig. 4 is a system block diagram of the comprehensive energy management unit of the present invention.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings of the description. The following examples are only used to illustrate the technical solution of the utility model more clearly, but not to limit the protection scope of the utility model.

As shown in Figure 1, the coordinated control device for the multi-energy complementary integrated energy system of the present invention includes a distributed IO interface unit, a coordinated controller unit and an integrated energy management unit,

The integrated energy management unit is connected to each coordination controller in the coordination controller unit through Ethernet, and the integrated energy management unit constitutes a process execution layer;

Each coordinating controller in the coordinating controller unit is connected to each distributed IO interface unit through Ethernet, and the coordinating controller unit constitutes a coordinating control layer;

The distributed IO interface unit is responsible for the output of load instructions and the collection of information from the integrated energy management unit. Each distributed IO interface unit is connected to the corresponding electrical equipment controller. The electrical equipment controller includes cooling, heating and power The power supply equipment controller, distributed power generation equipment controller, cooling and heating load peak shaving equipment controller, and energy storage equipment controller are connected.

The distributed power generation equipment controllers include distributed photovoltaic equipment controllers and distributed wind power equipment controllers; the cold and heat load peak shaving equipment controllers include electric refrigeration unit controllers, supplementary combustion device; the energy storage device controller includes a thermal storage device controller, a cold storage device controller, and an electrical storage device controller.

The coordinating controller includes a master coordinating controller and a slave coordinating controller. The master coordinating controller and the slave coordinating controller operate in a redundant manner. When the master coordinating controller loses power or fails, the slave coordinating controller The controller will switch to run as the main coordinating controller;

As shown in Figure 2, the master coordination controller and the slave coordination controller both include a coordination control CPU circuit, a first Ethernet expansion circuit, a second Ethernet expansion circuit and a first power supply circuit, and the coordination control CPU circuit The first Ethernet expansion circuit is connected to the corresponding distributed IO interface unit; the coordination control CPU circuit is connected to the comprehensive energy management unit through the second Ethernet expansion circuit, and the first power supply circuits are coordination control CPUs respectively The circuit, the first Ethernet extension circuit, and the second Ethernet extension circuit provide working voltages.

As shown in Figure 3, each distributed IO interface unit includes a distributed CPU circuit, a digital input circuit, a digital output circuit, an analog input circuit, an analog output circuit, an Ethernet communication interface circuit and a second power supply circuit, the distributed CPU circuit is connected to the corresponding coordination controller through the Ethernet communication interface circuit, the output end of the digital input circuit and the analog input circuit are connected to the input end of the distributed CPU circuit, and the The input ends of the digital output circuit and the analog output circuit are connected to the output ends of the distributed CPU circuit, and the output ends of the digital input circuit and the analog input circuit are connected to the output ends of the corresponding electrical equipment controllers. Connection; the output terminals of the digital output circuit and the analog output circuit are connected with the input terminals of the corresponding electrical equipment controllers.

As shown in Figure 4, the integrated energy management unit includes a pre-acquisition server, a database server, an optimization analysis server, a historical storage server and a human-computer interaction workstation, and the pre-acquisition server communicates with the coordinating controller unit via Ethernet Each coordinating controller is connected; the pre-acquisition server is connected with the optimization analysis server, and the database server, the history storage server and the human-computer interaction workstation are respectively connected with the optimization analysis server, and the optimization analysis server is used for solving multiple The energy optimal allocation problem of the energy complementary integrated energy system, and formulate the energy optimal allocation plan of the multi-energy complementary integrated energy system within a certain period of time, and send it to the master or slave coordination controller.

Below in conjunction with specific embodiment, further set forth the utility model:

In an industrial park in a city, a set of gas-steam combined cycle extraction condensing unit (40MW gas turbine generator + 70t/h waste heat boiler + 15MW (pure condensing condition) extraction condensing turbine generator set) was adopted for the combined cooling, heating and power supply equipment ), equipped with 3 sets of steam lithium bromide refrigeration units with a cooling capacity of 5800kW and 3 sets of 7735/8500kW water source heat pump systems. Distributed power generation equipment includes 5 fan units with a single capacity of 2.0MW and a photovoltaic power station with a total capacity of 30MWp. The peak-shaving equipment for cold and heat loads includes air-conditioning units and supplementary combustion boilers in the park. In addition, a 1.8MWh electric energy storage device and a 3500GJ thermal energy storage device are configured.

Combined cooling and heating power equipment, distributed power generation equipment, cooling and heating load peak shaving equipment, and energy storage equipment are all equipped with controllers on site, and connected to redundant master or slave coordination controllers through distributed IO interface units. Master or slave coordination control The controller is connected to the integrated energy management unit through the Ethernet interface.

The master or slave coordination controller will collect relevant equipment information to realize the coordinated control of the entire gas-steam combined cycle extraction and condensing unit; the integrated energy management unit realizes energy collection and monitoring, energy optimization analysis, multi-energy layered regulation, and energy early warning analysis , system 3D modeling and other functions.

In summary, the coordinated control device for multi-energy complementary integrated energy system of the present invention includes a distributed IO interface unit, a coordinated controller unit, and an integrated energy management unit, and establishes a communication connection through Ethernet to realize integrated energy. The optimal scheduling and real-time coordinated control of the system, so as to realize the economic operation of the multi-energy complementary comprehensive energy system, has a good application prospect.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (6)

1. a kind of cooperative control device for integrated energy system of providing multiple forms of energy to complement each other, it is characterised in that：Including distributed I/O interface Unit, tuning controller unit and comprehensive energy administrative unit,

The comprehensive energy administrative unit is connected by Ethernet with each tuning controller in tuning controller unit；

Each tuning controller in the tuning controller unit is connected by Ethernet with each distributed I/O interface unit；

Each distributed I/O interface unit is connected with corresponding electrical equipment controller, the electrical equipment controller, including Supply of cooling, heating and electrical powers device controller, Distributed-generation equipment controller, cooling and heating load peak regulation device controller, energy storage device control Device is connected.

2. a kind of cooperative control device for integrated energy system of providing multiple forms of energy to complement each other according to claim 1, feature exist In：The Distributed-generation equipment controller, including distributed photovoltaic device controller, distributed wind power equipment controller；Institute Cooling and heating load peak regulation device controller is stated, including electric refrigerating machine group controller, additional combustion boiler controller, heat pump controller；It is described Energy storage device controller, including thermal storage equipment controller, cold-storage apparatus controller, electric energy storage device controller.

3. a kind of cooperative control device for integrated energy system of providing multiple forms of energy to complement each other according to claim 1, feature exist In：The tuning controller is controlled including primal coordination controller and from tuning controller, the primal coordination controller and from coordination It is run between device using redundant fashion.

4. a kind of cooperative control device for integrated energy system of providing multiple forms of energy to complement each other according to claim 3, feature exist In：The primal coordination controller and from tuning controller includes coordinating control cpu circuit, the first Ethernet expanded circuit, the Two Ethernet expanded circuits and the first power circuit, it is described coordinate control cpu circuit by the first Ethernet expanded circuit with it is right The distributed I/O interface unit answered is connected；The control cpu circuit of coordinating passes through the second Ethernet expanded circuit and comprehensive energy Source control unit is connected, and first power circuit is respectively to coordinate control cpu circuit, the first Ethernet expanded circuit, the Two Ethernet expanded circuits provide operating voltage.

5. a kind of cooperative control device for integrated energy system of providing multiple forms of energy to complement each other according to claim 1, feature exist In：Each distributed I/O interface unit, including Distributed C PU circuits, digital input circuit, digital quantity output circuit, mould Analog quantity input circuit, analogue quantity output circuit, ethernet interface circuit and second source circuit, the Distributed C PU electricity Road is connected by ethernet interface circuit with corresponding tuning controller, and the digital input circuit, analog quantity are defeated The output terminal for entering circuit is connected with the input terminal of Distributed C PU circuits, the digital quantity output circuit, analogue quantity output circuit Input terminal be connected with the output terminal of Distributed C PU circuits, the digital input circuit, simulated measurement input circuit Output terminal be connected with the output terminal of corresponding electrical equipment controller；The digital quantity output circuit, analog output electricity The output terminal on road is connected with the input terminal of corresponding electrical equipment controller.

6. a kind of cooperative control device for integrated energy system of providing multiple forms of energy to complement each other according to claim 1, feature exist In：The comprehensive energy administrative unit is deposited including front-collection server, database server, optimization Analysis server, history Server and interactive workstation are stored up, is respectively coordinated in the front-collection server via Ethernet and tuning controller unit Controller is connected；The front-collection server is connected with optimization Analysis server, and the database server, history are deposited Storage server and interactive workstation are connected respectively with optimization Analysis server.