CN-121983984-A - Risk-driven safety emergency response system for wind-solar energy storage and transmission

CN121983984ACN 121983984 ACN121983984 ACN 121983984ACN-121983984-A

Abstract

The invention discloses a risk driving safety emergency response system for wind and light storage and transmission, which belongs to the field of new energy power safety control and comprises the following steps of collecting multi-mode operation data of a new energy station; the method comprises the steps of obtaining multi-mode operation data, carrying out fusion analysis according to the multi-mode operation data to obtain a risk level signal, obtaining a control instruction sequence according to the risk level signal and through preset system operation constraint, carrying out interlocking check on execution logic of the control instruction sequence, planning an execution time sequence to obtain checked control instructions, monitoring a communication link state based on the checked control instructions to obtain communication health, and generating a fallback control strategy result when the communication health is lower than a preset threshold value, carrying out check execution to complete risk-driven safety emergency response. The invention can solve the problem of risk identification delay in the prior art.

Inventors

SUN ZHEN
TAN YONGJIAN
JING XIAOHUA
SONG ZICHEN
DING YI
ZHAO XING
SUN YUANJIE
ZHAO YANG
SUN ZHICHAO

Assignees

华能国际工程技术有限公司
西安热工研究院有限公司

Dates

Publication Date: 20260505
Application Date: 20260130

Claims (10)

1. The risk-driven safety emergency response method for wind-light storage and transmission is characterized by comprising the following steps of: collecting multi-mode operation data of a new energy station; according to the multi-mode operation data, fusion analysis is carried out to obtain a risk grade signal; obtaining a control instruction sequence according to the risk level signal and through a preset system operation constraint; Performing interlocking check on the execution logic of the control instruction sequence, and planning an execution time sequence to obtain a checked control instruction; And based on the checked control instruction, monitoring the state of the communication link to obtain the communication health degree, and generating a fallback control strategy result when the communication health degree is lower than a preset threshold value, and performing check execution to complete risk-driven safety emergency response.
2. The risk driven safety emergency response method for wind and light storage and transmission according to claim 1, wherein the step of performing fusion analysis according to the multi-mode operation data to obtain a risk level signal specifically comprises the following steps: and based on a topological sensitive graph annotation network model, carrying out fusion modeling on the multi-mode operation data, the electrical topological relation of the new energy station and the current control mode parameter, and calculating a risk index to obtain the risk level signal.
3. The method for risk driven safety emergency response to wind and solar energy storage according to claim 1, wherein the control instruction sequence comprises a main control command, a rollback control command and a supervision control command.
4. The method for risk driven safety emergency response to wind and light storage according to claim 1, wherein the step of performing interlocking check on the execution logic of the control command sequence and planning the execution time sequence to obtain the checked control command specifically comprises the following steps: and checking the logic validity and the action interlocking relation of each control command in the control command sequence, and planning the execution sequence of each control command based on a relay protection time window to obtain the checked control command.
5. The risk driven safety emergency response method for wind and solar energy storage according to claim 1, further comprising the steps of: And carrying out identity signature on the checked control instruction, and recording the hash value, the time stamp and the readback information of the checked control instruction by using a blockchain result.
6. The method for risk driven safety emergency response to wind-solar energy storage according to claim 1, wherein when the communication health is lower than a preset threshold, the step of generating a result of a fallback control strategy specifically comprises: The load shedding, splitting and energy storage support sequences are generated as a result of the fallback control strategy with the aim of minimizing voltage deviation, switching operation times and energy loss.
7. The risk driven safety emergency response method for wind and light storage according to claim 1, further comprising the steps of; And performing simulation verification on the checked control instruction, and performing dynamic optimization and updating through a model distillation mechanism.
8. The risk driven safety emergency response method for wind and light storage according to claim 1, further comprising the steps of: And switching the isolation state according to the communication health degree, wherein the isolation state comprises complete isolation, half isolation and phase isolation.
9. A risk driven safety emergency response system for wind and solar energy storage and transmission, comprising: the field layer is used for collecting multi-mode operation data of the new energy field station; the risk assessment engine is used for carrying out fusion analysis according to the multi-mode operation data to obtain a risk grade signal; the risk driving control command synthesizer is used for obtaining a control command sequence according to the risk level signal and through preset system operation constraint; the linkage control coordinator is used for carrying out interlocking check on the execution logic of the control instruction sequence and planning an execution time sequence to obtain a checked control instruction; and the isolation control module is used for monitoring the state of the communication link based on the checked control instruction to obtain the communication health degree, and generating a fallback control strategy result when the communication health degree is lower than a preset threshold value, checking and executing the fallback control strategy result to finish the risk-driven safety emergency response.
10. The wind-solar storage oriented risk driven safety emergency response system of claim 9, further comprising: and the trusted authentication and audit chain module is used for carrying out identity signature on the checked control instruction and recording the hash value, the time stamp and the readback information of the checked control instruction by using a blockchain result.

Description

Risk-driven safety emergency response system for wind-solar energy storage and transmission Technical Field The invention relates to the field of new energy power safety control, in particular to a risk driving safety emergency response system for wind and light storage and transmission. Background The new energy power generation system is a clean energy power supply system which is constructed by taking wind energy, solar energy and energy storage units as main bodies, and the operation process of the new energy power generation system relates to multi-source coupling links such as electricity, machinery, weather, communication and the like. With the continuous expansion of the new energy grid-connected scale, the system has the characteristics of strong dynamic property, high response speed, complex coupling relation and the like in operation. In order to ensure the stability of the power grid and the safety of the new energy power generation side, the new energy station is commonly provided with a monitoring, protecting and scheduling system, and the functions of basic data acquisition, power regulation and remote control are realized. Such systems are typically based on a hierarchical communication architecture, whereby visualization of the status of the devices and basic emergency control is achieved through coordination between the master station, the substations and the terminal units. However, the existing new energy safety monitoring and emergency response system is mostly based on a traditional centralized control mode, and has a plurality of defects under complex working conditions, namely, firstly, the monitoring and emergency treatment links are relatively cracked, the risk identification is delayed, and real-time closed-loop regulation and control cannot be realized, secondly, after the communication of a master station is interrupted or a link is degenerated, the station lacks autonomous decision-making capability, control instability is easily caused, thirdly, the existing control source verification mechanism is insufficient, the execution process lacks credible tracing, and the safety protection level is limited. In addition, in a multi-station cooperative or trans-regional wind-light-storage combined operation scene, information interaction standards among systems are not uniform, and a unified risk transfer and emergency cooperative mechanism is lacked. In view of the above-mentioned problems, when the new energy power station faces sudden environmental disturbance, communication abnormality or equipment failure, there is a need for a comprehensive emergency response system capable of implementing risk identification, control coordination and safety protection under the condition of limited communication, so as to solve the technical problems of delay of risk identification, closed loop interruption control and unreliable emergency response in the prior art. Disclosure of Invention The invention aims to provide a risk driving safety emergency response system for wind and light storage and transmission so as to solve the problem of risk recognition delay in the prior art. In order to achieve the above purpose, the invention adopts the following technical scheme: in a first aspect, a risk driven safety emergency response method for wind and light storage and transmission includes the following steps: collecting multi-mode operation data of a new energy station; according to the multi-mode operation data, fusion analysis is carried out to obtain a risk grade signal; obtaining a control instruction sequence according to the risk level signal and through a preset system operation constraint; Performing interlocking check on the execution logic of the control instruction sequence, and planning an execution time sequence to obtain a checked control instruction; And based on the checked control instruction, monitoring the state of the communication link to obtain the communication health degree, and generating a fallback control strategy result when the communication health degree is lower than a preset threshold value, and performing check execution to complete risk-driven safety emergency response. In some embodiments, the step of performing fusion analysis to obtain a risk level signal according to the multi-mode operation data specifically includes: and based on a topological sensitive graph annotation network model, carrying out fusion modeling on the multi-mode operation data, the electrical topological relation of the new energy station and the current control mode parameter, and calculating a risk index to obtain the risk level signal. In some embodiments, the control instruction sequence includes a master control command, a rollback control command, and a supervisory control command. In some embodiments, the step of performing interlock check on the execution logic of the control instruction sequence and planning an execution time sequence to obtain a checked control instruction specifi