CN-121998340-A - Comprehensive energy post-disaster recovery method considering dynamic scheduling of professional maintenance personnel

CN121998340ACN 121998340 ACN121998340 ACN 121998340ACN-121998340-A

Abstract

The invention discloses a comprehensive energy post-disaster recovery method considering dynamic scheduling of professional maintenance personnel, which relates to the technical field of energy recovery and comprises the steps of collecting equipment health state and maintenance personnel information, constructing an optimization function aiming at minimizing the total cut load of a system, establishing a post-disaster recovery model comprising maintenance personnel dynamic scheduling constraint, energy supply network connectivity constraint, cut load power constraint and system operation constraint, generating a recovery strategy for collaborative maintenance and system operation by solving the post-disaster recovery model, and dynamically updating and adjusting the recovery strategy according to the real-time state in execution. According to the invention, the post-disaster recovery model comprising the maintenance personnel dynamic scheduling constraint and the optimization function is constructed, so that the cooperative optimization of human resources and equipment recovery is realized, and the overall recovery efficiency and the resource utilization rate are improved.

Inventors

XUE YIXUAN
CHANG XINYUE
TIAN XINGTAO
SUN HONGBIN
SU JIA
LI ZENING
HE QINYONG

Assignees

山西省能源互联网研究院
太原理工大学

Dates

Publication Date: 20260508
Application Date: 20260126

Claims (10)

1. A comprehensive energy post-disaster recovery method considering dynamic scheduling of professional maintenance personnel is characterized by comprising the following steps: S1, acquiring the health state of equipment and the initial working time of maintenance personnel, and analyzing energy supply paths of all electric loads and thermal loads to form basic data for post-disaster recovery; S2, constructing an optimization function for recovering the comprehensive energy system after disaster through basic data, wherein the optimization function aims at minimizing the total cut load of the system; S3, establishing constraint conditions including maintenance personnel dynamic scheduling constraint, energy supply network connectivity constraint, load shedding power constraint and comprehensive energy system operation constraint according to the optimization function and the energy supply path; S4, constructing a post-disaster recovery model through an optimization function and constraint conditions, and solving to obtain a recovery strategy of cooperation between maintenance scheduling and system operation; S5, in the process of executing the recovery strategy, dynamically updating parameters of the post-disaster recovery model according to equipment state feedback and solving the parameters again, and adjusting and continuously optimizing the recovery strategy.
2. The method for recovering comprehensive energy resources after disaster by considering dynamic scheduling of professional servicers according to claim 1, wherein the step of collecting the health state of the equipment comprises the steps of obtaining the initial health state of the equipment in a post disaster system, representing the initial health state as a binary variable for distinguishing the equipment from a healthy state or a fault state, the step of collecting the initial working time of the maintenance personnel comprises the steps of obtaining the current accumulated working time of various professional servicers, recording the current accumulated working time in an initial value form for subsequent dynamic scheduling, determining a set of all the equipment on a path from an energy source to a load node by a topology searching algorithm for judging the connectivity and the repair priority of the energy supply network, and the basic data comprises the equipment state variable, a load power predicted value, maintenance personnel time data and an energy supply path set.
3. The method for recovering the comprehensive energy resources after the disaster by considering dynamic scheduling of professional maintenance personnel according to claim 2, wherein the construction of the optimization function aims at minimizing the total cut load of the system, the sum of the weighted electric load cut load and the weighted thermal load cut load is used as an objective function for minimizing, the weights of the loads are preset according to the importance degree of the loads and are used for reflecting the recovery priority of different loads in a recovery stage, and the optimization function uniformly expresses the recovery decisions of multiple loads in multiple time periods in a mathematical programming mode and is used for driving a post-disaster recovery model to recover high weight loads preferentially on the premise that constraint conditions are met.
4. The comprehensive energy post-disaster recovery method considering dynamic scheduling of professional servicemen is characterized in that the constraint conditions comprise dynamic scheduling constraint of servicemen, wherein the dynamic scheduling constraint of servicemen comprises lower limit constraint, personnel single task constraint, total upper limit constraint of each type of professional servicemen and service time constraint of each type of professional servicemen required by repairing each fault device.
5. The method for recovering comprehensive energy after disaster by considering dynamic scheduling of professional maintenance personnel according to claim 4, wherein the constraint condition comprises energy supply network connectivity constraint, the energy supply network connectivity constraint defines binary variables for each electric load and each thermal load, the binary variables of the load are used for representing whether an energy supply path is connected or not, and a logic relation between the binary variables of the load and health states of all devices on the path is established, and when the logic relation is that all the devices on the energy supply path are in health states, the load is marked as connected state, so that the load is allowed to obtain energy supply.
6. The method for recovering the comprehensive energy resources after disaster by considering dynamic scheduling of professional maintenance personnel according to claim 5, wherein the constraint condition comprises a cut load power constraint, the cut load power constraint defines the difference between the predicted load and the actually obtained load of each load as cut load quantity, when a load path is not communicated, the actually obtained load is forced to be zero, all the predicted loads are cut loads, when the path is communicated, the actually obtained load takes a value in a range from zero to the predicted value, the rest is cut load, and the cut load power constraint is used for describing the power supply and heat supply conditions of each load in different recovery stages.
7. The method for recovering the integrated energy after disaster which takes dynamic scheduling of professional maintenance personnel into consideration according to claim 6, wherein the constraint conditions comprise integrated energy system operation constraints, the integrated energy system operation constraints comprise electric power subsystem constraints and thermodynamic subsystem constraints, the electric power subsystem constraints comprise electric power balance constraints of all nodes, upper and lower limit constraints of generator set output and electric power branch operation constraints, the generator set comprises a coal-fired unit, a cogeneration unit and a new energy unit, and the thermodynamic subsystem constraints comprise thermal power balance constraints of all nodes, upper and lower limit constraints of heat source equipment output and thermodynamic branch operation constraints.
8. The comprehensive energy post-disaster recovery method considering dynamic scheduling of professional maintenance personnel according to claim 1, wherein the post-disaster recovery model is constructed through an optimization function and constraint conditions, integrates the optimization function and the constraint conditions into a mixed integer linear programming model, solves the post-disaster recovery model through a mathematical optimization solver and is used for generating a recovery strategy.
9. The comprehensive energy post-disaster recovery method considering dynamic scheduling of professional maintenance personnel according to claim 8, wherein the post-disaster recovery model is solved to obtain a recovery strategy, and the recovery strategy comprises a maintenance personnel scheduling strategy, an equipment repair sequence, a load power supply and heat supply recovery scheme and an operation plan of each energy equipment, and is used for guiding actual repair operation and real-time scheduling of a system.
10. The comprehensive energy post-disaster recovery method considering dynamic scheduling of professional maintenance personnel according to claim 1, wherein parameters of the dynamic updating post-disaster recovery model are performed according to actual repair progress and equipment state change, and when the equipment state is changed, data acquisition, model construction and solving are re-performed for online optimization of recovery strategies.

Description

Comprehensive energy post-disaster recovery method considering dynamic scheduling of professional maintenance personnel Technical Field The invention relates to the technical field of energy recovery, in particular to a comprehensive energy post-disaster recovery method considering dynamic scheduling of professional maintenance personnel. Background Along with the frequent occurrence of extreme natural disasters caused by global climate change, electric power and thermal energy infrastructures face serious threat, the damage of the energy infrastructures often causes large-scale and long-time energy supply interruption, huge social and economic losses are caused, the comprehensive energy system integrates various energy forms such as electricity, heat and the like, and realizes cooperative energy supply through coupling and conversion equipment, so that the post-disaster recovery process is more complex than that of a single energy system; The existing recovery method generally simplifies maintenance resources such as professional maintenance personnel into ideal conditions for static or infinite call through network reconstruction and fault equipment repair sequence optimization, and does not fully consider actual dynamic constraints such as limited personnel quantity, skill type difference, limited working time, time consumption and the like, and the existing recovery method is easy to cause unhooking of a repair plan and personnel scheduling, so that key repair tasks are delayed because personnel cannot arrive in place in time, thereby prolonging the recovery time of important electric loads and thermal loads and restricting the overall recovery efficiency. Patent CN111555280B discloses a post-disaster recovery control method for an elastic power distribution network of an electric-gas integrated energy system, and the above patent realizes fast and effective maximum recovery of power supply load. The patent supplies three optimization strategies through network reconstruction, a diesel generator and a natural gas network, takes the lowest cost of the recovery strategy as an optimization target, improves the elasticity of the power distribution network, takes the saved load loss as a load constraint condition, ensures quick and effective maximization of the recovery power supply load, but does not fully consider the actual dynamic constraint, and has an optimization space in the aspect of dynamic scheduling maintenance personnel. Therefore, the application provides a comprehensive energy post-disaster recovery method capable of integrating constraint conditions and dynamically scheduling maintenance personnel. Disclosure of Invention The invention aims to provide a comprehensive energy post-disaster recovery method considering dynamic scheduling of professional maintenance personnel, so as to solve the technical problems that the prior method proposed in the background art does not fully consider actual dynamic constraint, is easy to cause unhooking of a repair plan and personnel scheduling, causes delay of a key repair task, prolongs recovery time of important electric load and thermal load, and restricts overall recovery efficiency. In order to achieve the purpose, the invention provides the following technical scheme that the comprehensive energy post-disaster recovery method considering dynamic scheduling of professional maintenance personnel comprises the following steps: S1, acquiring the health state of equipment and the initial working time of maintenance personnel, and analyzing energy supply paths of all electric loads and thermal loads to form basic data for post-disaster recovery; S2, constructing an optimization function for recovering the comprehensive energy system after disaster through basic data, wherein the optimization function aims at minimizing the total cut load of the system; S3, establishing constraint conditions including maintenance personnel dynamic scheduling constraint, energy supply network connectivity constraint, load shedding power constraint and comprehensive energy system operation constraint according to the optimization function and the energy supply path; S4, constructing a post-disaster recovery model through an optimization function and constraint conditions, and solving to obtain a recovery strategy of cooperation between maintenance scheduling and system operation; S5, in the process of executing the recovery strategy, dynamically updating parameters of the post-disaster recovery model according to equipment state feedback and solving the parameters again, and adjusting and continuously optimizing the recovery strategy. Preferably, the collecting the health state of the equipment includes obtaining the initial health state of the equipment in the post-disaster system, and expressing the initial health state as a binary variable for distinguishing the equipment from the health state or the fault state, collecting the initial working time of the maintenance person