CN211405605U

CN211405605U - Hierarchical step-by-step energy management system

Info

Publication number: CN211405605U
Application number: CN201922065595.XU
Authority: CN
Inventors: 肖超云
Original assignee: Ziquan Energy Technology Co ltd
Current assignee: Ziquan Energy Technology Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-09-01
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a hierarchical gradual energy management system, including advanced module, the highly reliable communication module of measurationing, based on cloud platform big data processing module, energy optimization scheduling module etc.. The energy management system is an important component for ensuring safe, reliable and efficient operation of the energy Internet, and compared with the traditional power grid, the energy Internet is a bidirectional interactive energy interconnection system with a large amount of new energy, so that the energy management system is inevitably required to realize a new generation of cooperative intelligent energy management system with energy information real-time acquisition, processing, analysis and decision making. In analyzing new requirements of an energy internet on an energy management system, more consideration is given to applying a new generation of information technology such as big data, a cloud platform and the like on platform implementation, centralized control is adopted in energy local area network internal management, distributed cooperative control is adopted among multi-energy local area networks, and a hierarchical structure is adopted in the whole energy internet system.

Description

Hierarchical step-by-step energy management system

Technical Field

The utility model relates to an energy internet, concretely relates to hierarchical stepwise energy management system.

Background

In recent years, the concept of energy internet has been widely paid attention, the energy internet is a comprehensive energy network in various energy forms, and the problem of fusion optimization of various energy sources such as cold, heat, electricity, gas and water is necessary to be considered so as to effectively improve the comprehensive utilization efficiency of energy, which is also an important characteristic of the energy internet different from a smart grid. The energy internet is a bidirectional interactive energy interconnection system with a large amount of new energy access. At present, energy management systems in modes such as a micro-grid and a virtual power plant which are widely applied are limited to energy management in an energy local area network. According to the new characteristics and new requirements of the current energy internet, a new energy management system mode is needed.

Disclosure of Invention

The purpose of the invention is as follows: the utility model relates to a solve above-mentioned problem, provide a quick stabilization, decomposition risk, improve the hierarchical formula energy management system of reliability.

The technical scheme is as follows: the utility model discloses a realize through following technical scheme: a hierarchical step-by-step energy management system consists of a decomposed energy management system and a coordinated energy management system, wherein the hierarchical step-by-step energy management system architecture comprises four modules, namely an advanced measurement module, a high-reliability communication module, a cloud platform-based big data processing module and an energy optimization scheduling module; the measuring module is used for measuring the physical equipment; the high-reliability communication module is used for information interconnection; the big data processing module is used for extracting a data value chain; the energy optimization scheduling module is used for optimizing and feeding back correction; the individual modules are composed in an integrated manner.

Compared with an energy management system under the traditional power grid environment, the advanced measurement module has the advantages that the intelligent terminal with the measurement function has advanced intelligent sensing capability, more energy types need to be considered, the range of physical equipment capable of being detected is wider, the requirement on 'plug and play' is tighter, and the functions of the measurement module are more and more integrated.

The high-reliability communication module needs to support three networks, namely a local area network, a regional area network and a wide area network, and is used for information interconnection with mechanisms such as a data center, an electric power market and a dispatching center. The local area network is mainly determined according to the transmitted data type, the number of communication nodes, the geographical location distribution of equipment, the number of energy local area networks, the operation target of each energy local area network, the overall operation target of the energy internet and other comprehensive factors.

The cloud platform-based big data processing module utilizes a big data storage technology, a big data mining technology and a cloud computing technology and extracts possible data value chains from the big data storage technology, the big data mining technology and the cloud computing technology. And updating and perfecting an incidence relation model among weather, power generation, electricity utilization and scheduling capability through machine learning based on big data, and comprehensively aggregating to obtain prediction data of the node energy scheduling capability.

The energy optimization scheduling module is used for performing real-time optimization and feedback correction functions, and further reducing the influence of prediction errors on scheduling results through a scene generation and reduction technology.

Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: 1. the complex energy internet large system energy management system is solved in two steps by adopting a decomposition-coordination principle so as to reduce the communication and calculation amount; 2. the energy internet dispatching center plays a role of global coordination, and each energy local area network adopts a distributed energy management mode to carry out local coordination.

Drawings

Fig. 1 is a structural view of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, a hierarchical step-by-step energy management system adopts a decomposition-coordination principle to solve a complex energy internet large system energy management system in two steps to reduce communication and computation. The energy internet dispatching center plays a role of global coordination, and each energy local area network adopts a distributed energy management mode to carry out local coordination. The amount of information to be processed by each local area network is not large, so that the method can be fast and stable, and meanwhile, the risk of a large system can be decomposed, the reliability is improved, and the plug and play performance is enhanced. The hierarchical energy management system architecture comprises an advanced measurement module, a high-reliability communication module, a cloud platform-based big data processing module and an energy optimization scheduling module.

The advanced measurement module is an intelligent terminal with a measurement function, has advanced intelligent sensing capability, can detect wider physical equipment and higher frequency, and is more and more integrated in function along with the application of the ubiquitous power internet of things. See in particular "acquisition and control channel" in fig. 1.

The high-reliability communication module needs to support three networks, namely a local area network, a local area network and a wide area network, and realizes information interconnection with mechanisms such as a data center, an electric power market, a dispatching center and the like. See in particular "communication links" in fig. 1.

The cloud platform-based big data processing module can utilize a big data storage technology, a big data mining technology and a cloud computing technology and extract a possible data value chain from the big data storage technology, the big data mining technology and the cloud computing technology.

The energy optimization scheduling module has the functions of real-time optimization and feedback correction, and the influence of prediction errors on scheduling results is further reduced through a scene generation and reduction technology. See in particular "coordination/control commands" in fig. 1.

The system work flow is as follows: the energy internet dispatching center sends a control instruction 2 and a coordination instruction 1 to play a global coordination role, after receiving the instructions, the energy local area network agents are communicated with each other through a communication link, then the acquisition and control channels are used for receiving feedback information, each energy local area network adopts a distributed energy management mode for local coordination, the information amount required to be processed by each local area network is limited, the speed and the stability can be realized, meanwhile, the risk of a large system can be decomposed, the reliability is improved, and the plug and play performance is enhanced. The energy local area network, various loads, distributed power supplies, energy storage and photovoltaic power plants form an energy internet system through energy lines, and the energy internet introduces the concept of the internet into the energy system.

The utility model provides a hierarchical gradual energy management system structural style satisfies the new requirement of comprehensive energy network to energy management system.

Claims

1. A hierarchical step-by-step energy management system, comprising: the system comprises a decomposed energy management system and a coordinated energy management system, wherein a hierarchical step type energy management system architecture comprises four modules, namely a measurement module, a high-reliability communication module, a cloud platform-based big data processing module and an energy optimization scheduling module; the measuring module is used for measuring physical equipment, the high-reliability communication module is used for information interconnection, the big data processing module is used for extracting a data value chain, and the energy optimization scheduling module is used for optimizing and feeding back corrections; the individual modules are composed in an integrated manner.

2. The hierarchical energy management system of claim 1, wherein: the measuring module is an intelligent terminal with measuring function and intelligent sensing capability and is used for detecting physical equipment.

3. The hierarchical energy management system of claim 1, wherein: the high-reliability communication module supports three networks, namely a local area network, a local area network and a wide area network, and is used for information interconnection with a data center, an electric power market and a dispatching center mechanism.