CN-121663790-B - Hydrogen alcohol electric heating four-source complementary comprehensive energy control system and method

CN121663790BCN 121663790 BCN121663790 BCN 121663790BCN-121663790-B

Abstract

The invention discloses a hydrogen alcohol electric heating four-source complementary comprehensive energy control system and a method, comprising the steps of obtaining hydrogen source historical operation data and hydrogen source real-time monitoring data, forming a hydrogen source available interval set, generating an initial energy supply time sequence according to real-time load demand data, obtaining a cooperative energy supply time sequence through time domain intersection processing, constructing a multi-source topology model based on the cooperative energy supply time sequence, generating energy supply topology constraint information, executing node mapping processing on the cooperative energy supply time sequence according to the energy supply topology constraint information, determining a cooperative output scheme of hydrogen alcohol electric heating, wherein the hydrogen source available interval set and the time domain intersection processing avoid unavailable time period switching, the multi-source topology model and the energy supply topology constraint information limit connection and capacity, and the node mapping processing is stably switched and distributed in a landing mode, so that continuous and stable output of electric heating is ensured under the condition that the hydrogen energy supply interval is limited and the alcohol heat replacement switching error is controllable.

Inventors

CHONG WEIWEI
XU HAOPENG
Ping Shibin
SUN RUI
WANG ENZHEN
HE QISHAN
ZHANG YAO
ZOU YIJUN
GUO ZHIHUI
JIA YUE
ZHAO MINZHENG
XU ZHE
LIU HONGXIN

Assignees

北京京能科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260204

Claims (8)

1. The hydrogen alcohol electric heating four-source complementary comprehensive energy control method is characterized by comprising the following steps of: acquiring hydrogen source historical operation data and hydrogen source real-time monitoring data, determining an available period of hydrogen source operation according to the hydrogen source historical operation data and the hydrogen source real-time monitoring data, and generating a hydrogen source available interval set mapped to a current time axis; acquiring real-time load demand data, determining an initial energy supply time sequence according to the real-time load demand data, and carrying out time domain intersection processing on the initial energy supply time sequence by combining a hydrogen source available interval set to obtain a cooperative energy supply time sequence; Constructing a multi-source topology model according to the collaborative energy supply time sequence, and generating energy supply topology constraint information based on topology association relations among nodes in the multi-source topology model; performing node mapping processing on the cooperative energy supply time sequence according to energy supply topology constraint information, and determining a cooperative output scheme of hydrogen alcohol electric heating; Constructing a multi-source topology model according to the collaborative energy supply time sequence, and generating energy supply topology constraint information based on the topology association relation among nodes in the multi-source topology model, wherein the energy supply topology constraint information comprises the following steps: Analyzing a time window corresponding to the collaborative energy supply time sequence, calling preset operation logic of each energy device in the time window, and determining an activation mark of a device node according to the preset operation logic; Using the equipment nodes with the activation marks as topology nodes, drawing topology connection paths among the nodes, and recording the equipment node numbers connected with each topology connection path; Traversing all the topological connection paths, extracting the equipment node numbers corresponding to each topological connection path, and forming a topological node number pair; Generating energy supply topology constraint information according to all topology node number pairs; Using the equipment nodes with the activation marks as topology nodes, drawing topology connection paths among the nodes, and recording the equipment node numbers connected by each topology connection path, wherein the method comprises the following steps: traversing each activation marked node, and extracting the equipment node numbers adjacent to the activation marked node; verifying physical connection configuration between each activation mark node and adjacent equipment nodes, recording equipment node pairs with physical connection, and extracting activation marks of two nodes in the node pairs aiming at the equipment node pairs with physical connection; when both nodes of the device node pair have the activation marks, a topology connection path between the node pair is drawn, and the device node number to which the topology connection path is connected is recorded.
2. The method for controlling hydrogen alcohol electric heating four-source complementary comprehensive energy according to claim 1, wherein determining an available period of operation of the hydrogen source according to historical operation data of the hydrogen source and real-time monitoring data of the hydrogen source, generating a set of available intervals of the hydrogen source mapped to a current time axis, comprises: Identifying a starting working condition point and an ending working condition point of the operation working condition of the hydrogen source equipment according to the historical operation data of the hydrogen source, and forming a historical working condition period; detecting stable working condition points of the operation of the hydrogen source equipment according to the hydrogen source real-time monitoring data, and determining real-time working condition time periods based on the operation states between the adjacent stable working condition points; According to the initial working condition point and the end working condition point of the historical working condition period, carrying out working condition characteristic matching with the stable working condition point of the real-time working condition period to form a working condition matching period; Performing hydrogen source energy supply working condition continuity evaluation on the working condition matching time period, and determining a historical reference energy supply time period meeting continuous operation conditions of hydrogen source operation equipment; and extracting the duration and the relative time offset of the historical reference energy supply period, mapping the duration and the relative time offset to the current real-time working condition period, determining the available period of the hydrogen source operation, and generating a hydrogen source available interval set.
3. The method of claim 2, wherein the step of performing the condition feature matching with the stable condition point of the real-time condition period to form the condition matching period according to the start condition point and the end condition point of the history condition period, comprises: Setting a corresponding historical starting moment mark and a corresponding historical ending moment mark for a starting working condition point and a corresponding ending working condition point of the equipment working condition in each historical working condition period respectively, and determining a real-time stable moment mark according to the actual moment of occurrence of a stable working condition point in the real-time working condition period; sequentially comparing the historical starting time mark with the historical ending time mark by taking the real-time stable time mark as a reference, and determining the working condition similarity and time coincidence state of the historical working condition time period and the real-time stable time; and screening out a historical working condition period which comprises at least one real-time stable moment mark and the working condition similarity meets a preset threshold value, and forming a historical and real-time working condition matching period.
4. The method for controlling hydrogen alcohol electric heating four-source complementary comprehensive energy according to claim 1, wherein the method for performing time-domain intersection processing on the initial energy supply time sequence by combining the available interval set of the hydrogen source to obtain the cooperative energy supply time sequence comprises the following steps: Extracting a starting time and a terminating time in an initial energy supply time sequence to form an initial time sequence section; Extracting the starting time and the ending time of each hydrogen source available interval in the hydrogen source available interval set to form a hydrogen source effective section; Respectively carrying out time domain overlapping calculation on the starting time and the ending time of each hydrogen source effective section and the starting time and the ending time of the initial time sequence section one by one, and marking the initial time sequence section with overlapping relation; and extracting the time overlapped part of the marked initial time sequence section and the hydrogen source effective section to obtain the cooperative energy supply time sequence.
5. The method for controlling hydrogen alcohol electric heating four-source complementary integrated energy according to claim 4, wherein time domain overlapping calculation is performed on a start time and an end time of each hydrogen source effective section and a start time and an end time of an initial time sequence section one by one, and the initial time sequence section with overlapping relation is marked, comprising: traversing each initial time sequence section, and extracting the starting time and the ending time of the initial time sequence section; For each initial time sequence section, comparing the initial time sequence section with the hydrogen source effective section in sequence, and calculating whether a time intersection exists between the initial time sequence section and the hydrogen source effective section; If the initial time sequence section and the hydrogen source effective section have time intersection, marking the initial time sequence section as an effective section; all marked valid sections are merged, marking the initial timing sections that have an overlapping relationship.
6. The method for controlling hydrogen alcohol electrothermal four-source complementary integrated energy according to claim 4, wherein extracting a start time and an end time in an initial energy supply time sequence to form an initial time sequence section comprises: Calculating a first-order change gradient of a load value from real-time load demand data, and identifying a load abrupt change interval in which the change gradient exceeds a preset response threshold; performing time axis feedforward compensation on the rising edge of the load abrupt change section according to the thermal inertia response time constant of the energy supply equipment, and determining the initial energy supply starting moment containing the preheating advance; And determining the closing termination time of the equipment in the initial energy supply time sequence according to the load value descending change point and the waste heat dissipation delay time to form an initial time sequence section matched with the dynamic response characteristic of the equipment.
7. The hydroalcoholic electrothermal four-source complementary comprehensive energy control method according to claim 1, wherein traversing all topological connection paths, extracting equipment node numbers corresponding to each topological connection path, forming a topological node number pair, comprising: Acquiring an initial equipment node and a final equipment node of each topological connection path, and extracting an energy transmission loss coefficient and a switching response delay between the two nodes from a preset equipment attribute database; based on the energy transmission loss coefficient and the switching response delay, calculating the energy transfer damping entropy of the topological connection path; And (3) sequencing all the topological connection paths in priority according to the sequence of the energy flow damping entropy from low to high, screening out the topological connection paths of which the damping entropy meets the preset stable condition, and extracting the corresponding topological node number pairs.
8. A hydroalcoholic electrothermal four-source complementary integrated energy control system based on the implementation of the hydroalcoholic electrothermal four-source complementary integrated energy control method according to any one of claims 1-7, characterized by comprising: The available interval module is used for acquiring hydrogen source historical operation data and hydrogen source real-time monitoring data, determining an available time period of hydrogen source operation according to the hydrogen source historical operation data and the hydrogen source real-time monitoring data, and generating a hydrogen source available interval set mapped to a current time axis; The time sequence coordination module is used for acquiring real-time load demand data, determining an initial energy supply time sequence according to the real-time load demand data, and carrying out time domain intersection processing on the initial energy supply time sequence by combining a hydrogen source available interval set to obtain a coordination energy supply time sequence; the topology constraint module is used for constructing a multi-source topology model according to the collaborative energy supply time sequence and generating energy supply topology constraint information based on the topology association relation among nodes in the multi-source topology model; And the cooperative output module is used for carrying out node mapping processing on the cooperative energy supply time sequence according to the energy supply topology constraint information to determine a cooperative output scheme of the hydrogen alcohol electric heat.

Description

Hydrogen alcohol electric heating four-source complementary comprehensive energy control system and method Technical Field The invention relates to the technical field of power supply management, in particular to a hydrogen alcohol electric heating four-source complementary comprehensive energy control system and method. Background The hydrogen-alcohol electric heating combined supply comprehensive energy system generally takes a distributed park or a isolated network system as a carrier, completes dynamic collaborative scheduling between hydrogen energy and alcohol heat energy under the basic constraint of limited equipment volume and limited scheduling response time delay, and mainly adopts the modes of state threshold judgment, load time sequence smoothness, static energy flow switching, local feedback control and the like to realize the stability of energy supply of the system in the prior art. In actual operation, the hydrogen energy supply is easily influenced by external factors to show intermittent interruption, meanwhile, the energy flow cannot be quickly stabilized due to the thermal inertia of the alcohol heat replacement energy source switching process, and the two factors jointly lead to the problems that the conventional static switching and time sequence smoothing method is difficult to effectively reduce energy supply switching errors and cause continuous fluctuation of electric heat combined supply output, so that the technical problem to be solved is how to ensure continuous and stable output of the electric heat combined supply under the condition of limited hydrogen energy supply and under the condition of reducing the alcohol heat replacement energy supply switching errors. In view of the above, the present invention provides a system and a method for controlling four complementary comprehensive energy sources of hydrogen alcohol and electric heat, which solve the above problems. Disclosure of Invention The invention aims to provide a hydrogen alcohol electric heating four-source complementary comprehensive energy control system and method, which solve the problems that the conventional dialogue system is difficult to identify the real intention of a user, misleading reply is easy to generate, semantic jump cannot be monitored, and context response is inconsistent. In order to achieve the above object, the present invention provides the following technical solutions: in a first aspect, the invention provides a hydrogen alcohol electric heating four-source complementary comprehensive energy control method, which comprises the following steps: acquiring hydrogen source historical operation data and hydrogen source real-time monitoring data, determining an available period of hydrogen source operation according to the hydrogen source historical operation data and the hydrogen source real-time monitoring data, and generating a hydrogen source available interval set mapped to a current time axis; acquiring real-time load demand data, determining an initial energy supply time sequence according to the real-time load demand data, and carrying out time domain intersection processing on the initial energy supply time sequence by combining a hydrogen source available interval set to obtain a cooperative energy supply time sequence; Constructing a multi-source topology model according to the collaborative energy supply time sequence, and generating energy supply topology constraint information based on topology association relations among nodes in the multi-source topology model; and carrying out node mapping processing on the cooperative energy supply time sequence according to the energy supply topology constraint information, and determining a cooperative output scheme of the hydrogen alcohol electric heat. As a preferred technical solution of the first aspect of the present invention, determining an available period of operation of a hydrogen source according to historical operation data of the hydrogen source and real-time monitoring data of the hydrogen source, and generating a set of available intervals of the hydrogen source mapped to a current time axis, includes: Identifying a starting working condition point and an ending working condition point of the operation working condition of the hydrogen source equipment according to the historical operation data of the hydrogen source, and forming a historical working condition period; detecting stable working condition points of the operation of the hydrogen source equipment according to the hydrogen source real-time monitoring data, and determining real-time working condition time periods based on the operation states between the adjacent stable working condition points; According to the initial working condition point and the end working condition point of the historical working condition period, carrying out working condition characteristic matching with the stable working condition point of the real-time working condition period to form a