Synchronous phase modifier configuration method and system

Abstract

The invention discloses a synchronous phase modifier configuration method, and relates to the technical field of power systems. The method comprises the following steps: modeling a power system; wherein the modeling of the power system comprises the following steps: simulating the operation conditions of the power system under different working conditions by adopting a power flow distribution calculation algorithm, and determining the requirement and range of reactive power regulation; based on the modeling result of the power system, determining a target configuration scheme by using an optimization algorithm, so that the reactive power loss of the power system is smaller than preset reactive power loss when the target configuration scheme is applied; and adjusting phase modifier parameters and control strategies of the synchronous phase modifiers configured by the power system by monitoring feedback of the power system in real time. The stability and reliability of the power system can be improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of power systems, in particular to a synchronous phase modifier configuration method and system. BACKGROUND

[0002] A power system is a complex dynamic system that requires flexible and efficient control to maintain stable operation. The control of reactive power is one of the important problems in the power system, and the traditional reactive power compensation equipment cannot meet the dynamic demand of the power system for reactive power. As a new type of reactive power control equipment, the phase modifier has the advantages of high flexibility and fast response speed, and is highly concerned in the power system.

[0003] However, there may be some limitations in using the phase modifier alone for reactive power control, so it is necessary to study the configuration method and system of the synchronous phase modifier to improve its application performance and effect in the power system. That is, the research on the configuration method and system of the synchronous phase modifier has important theoretical and practical significance. SUMMARY

[0004] The embodiment of the application provides a synchronous phase modifier configuration method and system to solve the above technical problems.

[0005] The application provides a synchronous phase modifier configuration method, comprising: modeling a power system; wherein modeling the power system comprises: using a power flow distribution calculation algorithm to simulate the operation of the power system under different operating conditions, determining the demand and range of reactive power regulation; based on the modeling results of the power system, using an optimization algorithm to determine a target configuration scheme, so that the reactive power loss of the power system when the target configuration scheme is applied is less than a preset reactive power loss; determining the control strategy of each synchronous phase modifier; integrating each synchronous phase modifier into the power system to ensure that the communication protocol and data transmission mode of each synchronous phase modifier are consistent with those of other reactive power control equipment in the power system; wherein the other reactive power control equipment includes STATCOM and SVC; the power system debugs and optimizes the configured synchronous phase modifier; and by monitoring the feedback of the power system in real time, the phase modifier parameters and control strategy of each synchronous phase modifier configured for the power system are adjusted.

[0006] Further, the preset function q is as follows:

[0007]

[0008] Wherein, Pri is the solution of the installation cost; Pri aver is the installation cost of the average capacity synchronous phase modifier configuration scheme; Pri maxinstallation cost of the configuration scheme of the synchronous phase modifier with the maximum capacity; Pri min installation cost of the configuration scheme of the synchronous phase modifier with the minimum capacity; Netl aver active power network loss of the power system corresponding to the configuration scheme of the synchronous phase modifier with the average capacity; Pri max active power network loss of the power system corresponding to the configuration scheme of the synchronous phase modifier with the maximum capacity; Pri min active power network loss of the power system corresponding to the configuration scheme of the synchronous phase modifier with the minimum capacity; the average capacity is calculated based on the maximum capacity and the minimum capacity; w1 and w2 are weight values.

[0009] Further, the solution Pri of the installation cost is calculated based on the following formula:

[0010]

[0011] wherein, m represents the number of installation points of the synchronous phase modifier; fee install installation cost of a single synchronous phase modifier; fee vol cost of a unit capacity synchronous phase modifier; Vol i capacity of the synchronous phase modifier at the ith installation point.

[0012] Further, a communication protocol Modbus or IEC 61850 is adopted to realize data interaction and control instruction transmission between each of the synchronous phase modifiers and other devices in the power system.

[0013] Further, the power system comprises a generator, a transformer, a monitoring system and a transmission line, and the simulation technology comprises power flow calculation and transient stability analysis.

[0014] Further, the determination of the target configuration scheme by using the optimization algorithm comprises: establishing a synchronous phase modifier optimization configuration model, determining a target function and a constraint condition, the target function comprising installation cost and stability of the synchronous phase modifier, and the constraint condition comprising number of the synchronous phase modifiers, installation positions of the synchronous phase modifiers, capacity range of the synchronous phase modifiers and impedance model of the power system; determining particle initial values, wherein the particle initial values comprise particle number and particle initial positions; taking synchronous phase modifier capacities of multiple reactive power compensation points as multiple components of the particle initial positions respectively; determining current speeds of each particle, and corresponding current optimal positions and global optimal positions based on a preset function; updating particle positions and speeds according to the current speeds of each particle, and the corresponding current optimal positions and global optimal positions, until an iteration constraint condition is met; and outputting the particle positions at this time as the target configuration scheme.

[0015] The expression of the power system impedance model I is:

[0016] I = Vec x [E - F x G] x [E + F] -1

[0017] E is a unit matrix, F is a block diagonal matrix of the power system, G is a node impedance matrix of the synchronous condenser, and Vec is a transient voltage drop column vector in a preset fault set

[0018] Further, the control strategy of each synchronous condenser is determined, including: using a PID controller to adjust the sensitivity and response speed of each synchronous condenser according to the demand and real-time feedback signal of the power system, so as to realize the adjustment of the reactive power of the power system.

[0019] Further, the power system performs performance evaluation and verification on the configured synchronous condenser; through simulation experiment and actual operation test, the stability of the power system integrated with the configured synchronous condenser is verified.

[0020] The application also provides a synchronous condenser configuration system, comprising a system modeling and simulation analysis unit, a synchronous condenser optimization unit, a control strategy design unit and a system integration unit, wherein,

[0021] The system modeling and simulation analysis unit is used for modeling the power system; wherein modeling the power system comprises: using a power flow distribution calculation algorithm to simulate the operation of the power system under different working conditions, and determining the demand and range of reactive power regulation;

[0022] The synchronous condenser optimization unit is used for determining a target configuration scheme based on the modeling result of the power system, so that the reactive power loss of the power system when the target configuration scheme is applied is less than a preset reactive power loss; wherein the target configuration scheme comprises configuration of the number of synchronous condensers, configuration of the installation position of the synchronous condenser and configuration of the capacity range of the synchronous condenser;

[0023] The control strategy design unit is used for determining the control strategy of each synchronous condenser; each synchronous condenser is integrated into the power system to ensure that the communication protocol and data transmission mode of each synchronous condenser are consistent with those of other reactive power control devices in the power system; wherein the other reactive power control devices include STATCOM and SVC;

[0024] The system integration unit is configured to debug and optimize the configured synchronous compensator for the power system, and to adjust the synchronous compensator parameters and control strategies of each synchronous compensator configured for the power system by monitoring the feedback of the power system in real time.

[0025] Further, the preset function q is as follows:

[0026]

[0027] wherein, Pri is the solution of the installation cost; Pri aver is the installation cost of the synchronous compensator configuration scheme with the average capacity; Pri max is the installation cost of the synchronous compensator configuration scheme with the maximum capacity; Pri min is the installation cost of the synchronous compensator configuration scheme with the minimum capacity; Netl is the solution of the active power network loss of the power system; Netl aver is the active power network loss of the power system corresponding to the synchronous compensator configuration scheme with the average capacity; Pri max is the active power network loss of the power system corresponding to the synchronous compensator configuration scheme with the maximum capacity; Pri min is the active power network loss of the power system corresponding to the synchronous compensator configuration scheme with the minimum capacity; the average capacity is calculated based on the maximum capacity and the minimum capacity; w1 and w2 are weight values.

[0028] Further, the determination of the target configuration scheme by using the optimization algorithm includes: establishing a synchronous compensator optimization configuration model, determining a target function and a constraint condition, the target function including the installation cost and stability of the synchronous compensator, and the constraint condition including the number of the synchronous compensators, the installation positions of the synchronous compensators, the capacity range of the synchronous compensators, and a power system impedance model; determining a particle initial value, wherein the particle initial value includes a particle number and a particle initial position; taking the synchronous compensator capacities of multiple reactive power compensation points as multiple components of the particle initial position respectively; determining the current speed of each particle and the corresponding current optimal position and global optimal position based on a preset function; updating the particle position and speed according to the current speed of each particle and the corresponding current optimal position and global optimal position until the iteration constraint condition is met; and outputting the particle position at this time as the target configuration scheme.

[0029] wherein, the expression of the power system impedance model I is as follows:

[0030] I = Vec × [E - F × G] × [E + F] -1

[0031] Wherein, E is a unit matrix, F is a block diagonal matrix of the power system, G is a node impedance matrix of the synchronous condenser, and Vec is a transient voltage drop column vector in a preset fault set.

[0032] Further, the synchronous condenser configuration system further comprises a test verification unit configured to perform performance evaluation and verification on the power system integrated with the configured synchronous condenser, and verify the stability of the power system integrated with the configured synchronous condenser through simulation experiments and actual operation tests.

[0033] Based on the embodiments provided in the present application, the synchronous condenser can work cooperatively with other reactive power control devices such as STATCOM, SVC, etc., to improve the stability and reliability of the power system; through reasonable configuration of the synchronous condenser, the adjustment effect of the reactive power can be optimized, and the response speed and stability of the power system can be improved; and reasonable configuration of the synchronous condenser can reduce the operation cost of the power system, reduce the use of traditional reactive power compensation devices, and improve the economy and benefits of the power grid. BRIEF DESCRIPTION OF DRAWINGS

[0034] The accompanying drawings, which are included to provide a further understanding of the embodiments of the application, constitute a part of this application and illustrate the illustrative embodiments of the application and its description, which are used to explain the application, and do not constitute an improper limitation on the application. In the drawings:

[0035] Figure 1 A flowchart of an optional synchronous condenser configuration method according to an embodiment of the present application;

[0036] Figure 2 A structure diagram of an optional synchronous condenser configuration system according to an embodiment of the present application.

[0037] The implementation of the object of the present application, the functional characteristics and the advantages will be further described with reference to the accompanying drawings. DETAILED DESCRIPTION

[0038] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings.

[0039] Optionally, as shown in the figure, Figure 1 The present application provides a synchronous condenser configuration method, characterized in that comprising:

[0040] S101, modeling the power system; wherein modeling the power system comprises: using a power flow distribution calculation algorithm to simulate the operation of the power system under different working conditions, and determining the demand and range of reactive power regulation;

[0041] S102, determining a target configuration scheme by using an optimization algorithm based on modeling results of the power system, so that the reactive power loss of the power system when the target configuration scheme is applied is less than a preset reactive power loss; wherein the target configuration scheme includes configuration of the number of synchronous compensators, configuration of the installation positions of the synchronous compensators, and configuration of the capacity range of the synchronous compensators;

[0042] S103, determining a control strategy for each synchronous compensator; integrating each synchronous compensator into the power system to ensure that the communication protocol and data transmission mode of each synchronous compensator are consistent with those of other reactive power control devices in the power system; wherein the other reactive power control devices include STATCOM and SVC;

[0043] S104, debugging and optimizing the configured synchronous compensators by the power system; adjusting the synchronous compensator parameters and the control strategy of each synchronous compensator configured by the power system by real-time monitoring of the feedback of the power system.

[0044] In some embodiments of the present application, determining the target configuration scheme by using the optimization algorithm includes: establishing a synchronous compensator optimization configuration model, determining a target function and a constraint condition, the target function including installation cost and stability of the synchronous compensator, and the constraint condition including the number of synchronous compensators, the installation positions of the synchronous compensators, the capacity range of the synchronous compensators, and an impedance model of the power system; determining particle initial values, wherein the particle initial values include the number of particles and the initial positions of the particles; taking the synchronous compensator capacities of multiple reactive power compensation points as multiple components of the initial positions of the particles respectively; determining the current speeds of the particles, the corresponding current optimal positions, and the global optimal positions based on a preset function; updating the particle positions and speeds according to the current speeds of the particles, the corresponding current optimal positions, and the global optimal positions until the iteration constraint condition is met; and outputting the particle positions at this time as the target configuration scheme;

[0045] wherein the expression of the impedance model I of the power system is:

[0046] I = Vec x [E - F x G] x [E + F] -1

[0047] wherein E is a unit matrix, F is a block diagonal matrix of the power system, G is a node impedance matrix of the synchronous compensator, and Vec is a transient voltage drop column vector in a preset fault set;

[0048] Based on the embodiments provided in the present application, the synchronous phase modifier can work with other reactive power control devices such as STATCOM, SVC and the like to improve the stability and reliability of the power system; by reasonably configuring the synchronous phase modifier, the adjustment effect of the reactive power can be optimized, and the response speed and stability of the system can be improved; and reasonable configuration of the synchronous phase modifier can reduce the operation cost of the power system, reduce the use of traditional reactive power compensation devices, and improve the economy and benefit of the power grid.

[0049] Further, the preset function q is as follows:

[0050]

[0051] wherein Pri is a solution of installation cost; Pri aver is the installation cost of the synchronous phase modifier configuration scheme with average capacity; Pri max is the installation cost of the synchronous phase modifier configuration scheme with maximum capacity; Pri min is the installation cost of the synchronous phase modifier configuration scheme with minimum capacity; Netl is a solution of active power network loss of the power system; Netl aver is the active power network loss of the power system corresponding to the synchronous phase modifier configuration scheme with average capacity; Pri max is the active power network loss of the power system corresponding to the synchronous phase modifier configuration scheme with maximum capacity; Pri min is the active power network loss of the power system corresponding to the synchronous phase modifier configuration scheme with minimum capacity; the average capacity is calculated based on the maximum capacity and the minimum capacity; w1 and w2 are weight values.

[0052] Further, the solution Pri of the installation cost is calculated based on the following formula:

[0053]

[0054] wherein m represents the number of installation points of the synchronous phase modifier; fee install is the installation cost of a single synchronous phase modifier; fee vol is the cost of a unit capacity synchronous phase modifier; Vol i is the capacity of the synchronous phase modifier at the i th installation point.

[0055] Further, the communication protocols Modbus or IEC 61850 are adopted to realize data interaction and control instruction transmission between each synchronous phase modifier and other devices in the power system.

[0056] Further, the power system includes generators, transformers, monitoring systems and transmission lines, and the simulation technology includes power flow calculation and transient stability analysis.

[0057] Further, the control strategy of each synchronous compensator is determined, including: adopting a PID controller, adjusting the sensitivity and response speed of each synchronous compensator according to the demand of the power system and the real-time feedback signal, so as to realize the regulation of the reactive power of the power system.

[0058] Further, the power system performs performance evaluation and verification on the configured synchronous compensator; through simulation experiment and actual operation test, the stability of the power system integrated with the configured synchronous compensator is verified.

[0059] As shown in Figure 2 The application provides a synchronous compensator configuration system, which comprises a system modeling and simulation analysis unit 201, a synchronous compensator optimization unit 202, a control strategy design unit 203 and a system integration unit 204, wherein,

[0060] The system modeling and simulation analysis unit 201 is used for modeling the power system; wherein modeling the power system comprises: adopting a power flow distribution calculation algorithm to simulate the operation of the power system under different working conditions, and determining the demand and range of reactive power regulation;

[0061] The synchronous compensator optimization unit 202 is used for determining a target configuration scheme by using an optimization algorithm based on the modeling result of the power system, so that the reactive power loss of the power system when the target configuration scheme is applied is less than a preset reactive power loss; wherein the target configuration scheme comprises the configuration of the number of synchronous compensators, the configuration of the installation position of the synchronous compensators and the configuration of the capacity range of the synchronous compensators;

[0062] The control strategy design unit 203 is used for determining the control strategy of each synchronous compensator; each synchronous compensator is integrated into the power system, and the communication protocol and data transmission mode of each synchronous compensator are consistent with those of other reactive power control devices in the power system; wherein the other reactive power control devices comprise STATCOM and SVC;

[0063] The system integration unit 204 is used for debugging and optimizing the configured synchronous compensator by the power system; by monitoring the feedback of the power system in real time, the compensator parameters and control strategy of each synchronous compensator configured by the power system are adjusted.

[0064] Further, the preset function q is as follows:

[0065]

[0066] Wherein, Pri is the solution of the installation cost; Pri aver is the installation cost of the synchronous compensator configuration scheme with the average capacity; Pri max is the installation cost of the synchronous compensator configuration scheme with the maximum capacity; Primin installation cost of the minimum-capacity synchronous compensator configuration scheme; Netl is the solution of the active power network loss of the power system; Netl aver the active power network loss of the power system corresponding to the average-capacity synchronous compensator configuration scheme; Pri max the active power network loss of the power system corresponding to the maximum-capacity synchronous compensator configuration scheme; Pri min the active power network loss of the power system corresponding to the minimum-capacity synchronous compensator configuration scheme; the average capacity is calculated based on the maximum capacity and the minimum capacity; w1 and w2 are weight values.

[0067] Further, determining the target configuration scheme by using the optimization algorithm comprises:

[0068] establishing a synchronous compensator optimization configuration model to determine a target function and a constraint condition, the target function comprising installation cost and stability of the synchronous compensator, and the constraint condition comprising the number of synchronous compensators, the installation position of the synchronous compensator, the capacity range of the synchronous compensator, and an impedance model of the power system; determining particle initial values, wherein the particle initial values comprise the number of particles and the initial position of the particles; taking the synchronous compensator capacities of multiple reactive power compensation points as multiple components of the initial position of the particles; determining the current speed of each particle and the corresponding current optimal position and global optimal position based on a preset function; updating the particle position and speed according to the current speed of each particle and the corresponding current optimal position and global optimal position until the iteration constraint condition is met; and outputting the particle position at this time as the target configuration scheme;

[0069] wherein the expression of the impedance model I of the power system is:

[0070] I = Vec × [E - F × G] × [E + F] -1

[0071] wherein E is a unit matrix, F is a block-diagonal matrix of the power system, G is a node impedance matrix of the synchronous compensator, and Vec is a transient voltage drop column vector in a preset fault set.

[0072] Further, the synchronous compensator configuration system further comprises:

[0073] a test and verification unit configured to perform performance evaluation and verification on the configured synchronous compensator by the power system; and verify the stability of the power system integrated with the configured synchronous compensator through simulation experiments and actual operation tests.

[0074] The above is only a preferred embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent flow transformation by using the content of the specification and drawings of the present application, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A method for configuring a synchronous camera, characterized in that, include: Modeling the power system includes: using a power flow distribution calculation algorithm to simulate the operation of the power system under different operating conditions, and determining the demand and range of reactive power regulation; Based on the modeling results of the power system, an optimization algorithm is used to determine a target configuration scheme so that the reactive power loss of the power system is less than the preset reactive power loss when the target configuration scheme is applied; wherein, the target configuration scheme includes the configuration of the number of synchronous condensers, the configuration of the installation location of the synchronous condensers, and the configuration of the capacity range of the synchronous condensers. Determine the control strategy for each synchronous condenser; integrate each synchronous condenser into the power system, ensuring that the communication protocol and data transmission method of each synchronous condenser are consistent with those of other reactive power control devices in the power system; wherein, the other reactive power control devices include STATCOM and SVC; The power system debugs and optimizes the configured synchronous condensers; by monitoring the feedback of the power system in real time, it adjusts the synchronous condenser parameters and control strategies of each synchronous condenser configured in the power system.

2. The synchronous synchro configuration method according to claim 1, characterized in that, The preset function q is as follows: Where Pri is the solution for installation cost; Pri aver Installation cost of synchronous condenser configuration scheme with average capacity; Pri max Installation cost for the highest capacity synchronous condenser configuration; Pri min Installation cost of the minimum capacity synchronous condenser configuration; Netl is the solution for the active power loss of the power system; Netl aver The active power loss of the power system corresponding to the synchronous condenser configuration scheme with average capacity; Pri max The active power loss of the power system under the maximum capacity synchronous condenser configuration scheme; Pri min The active power loss of the power system under the minimum capacity synchronous condenser configuration scheme; the average capacity is calculated based on the maximum capacity and the minimum capacity; w1 and w2 are weight values.

3. The synchronous camera configuration method according to claim 2, characterized in that, The solution Pri for the installation cost is calculated based on the following formula: Where m represents the number of mounting points for the synchronous synchrotron; fee install Installation cost for a single synchronous condenser; fee vol Cost of synchronous condenser per unit capacity; Vol i Let be the capacity of the synchronous adjustment camera at the i-th installation point.

4. The synchronous synchro configuration method according to claim 1, characterized in that, The Modbus or IEC 61850 communication protocol is used to realize data interaction and control command transmission between the synchronous condensers and other devices in the power system.

5. The synchronous synchro configuration method according to claim 1, characterized in that, The step of determining the target configuration scheme using optimization algorithms includes: establishing a synchronous condenser optimization configuration model; determining the objective function and constraints, wherein the objective function includes the installation cost and stability of the synchronous condenser; and the constraints include the number of synchronous condensers, the installation location of the synchronous condensers, the capacity range of the synchronous condensers, and the power system impedance model; determining the initial values ​​of particles, wherein the initial values ​​of particles include the number of particles and the initial position of particles; using the capacity of the synchronous condensers at multiple reactive power compensation points as multiple components of the initial position of particles; determining the current velocity of each particle and its corresponding current optimal position and global optimal position based on a preset function; updating the particle position and velocity according to the current velocity of each particle and its corresponding current optimal position and global optimal position until the iterative constraints are met; and outputting the particle position at this time as the target configuration scheme. The expression for the power system impedance model I is as follows: I=Vec×[EF×G]×[E+F] -1 Where E is the identity matrix, F is the block diagonal matrix of the power system, G is the node impedance matrix of the synchronous condenser, and Vec is the transient voltage drop column vector of the preset fault set.

6. The synchronous synchro configuration method according to claim 1, characterized in that, The determination of the control strategy for each synchronous condenser includes: using a PID controller to adjust the sensitivity and response speed of each synchronous condenser according to the power system's requirements and real-time feedback signals, so as to achieve regulation of the reactive power of the power system.

7. The synchronous synchro configuration method according to claim 1, characterized in that, The power system performs performance evaluation and verification on the configured synchronous condensers; through simulation experiments and actual operation tests, the stability of the power system integrated with the configured synchronous condensers is verified.

8. A synchronous condenser configuration system, characterized in that, It includes a system modeling and simulation analysis unit, a synchronous condenser optimization unit, a control strategy design unit, and a system integration unit, among which, The system modeling and simulation analysis unit is used to model the power system; wherein, modeling the power system includes: using a power flow distribution calculation algorithm to simulate the operation of the power system under different operating conditions, and determining the demand and range of reactive power regulation; The synchronous condenser optimization unit is used to determine a target configuration scheme based on the modeling results of the power system using an optimization algorithm, so that the reactive power loss of the power system is less than the preset reactive power loss when the target configuration scheme is applied; wherein, the target configuration scheme includes the configuration of the number of synchronous condensers, the configuration of the installation location of the synchronous condensers, and the configuration of the capacity range of the synchronous condensers. The control strategy design unit is used to determine the control strategy for each synchronous condenser; integrate each synchronous condenser into the power system, and ensure that the communication protocol and data transmission method of each synchronous condenser are consistent with those of other reactive power control devices in the power system; wherein, the other reactive power control devices include STATCOM and SVC; The system integration unit is used by the power system to debug and optimize the configured synchronous condensers; and to adjust the synchronous condenser parameters and control strategies of each synchronous condenser configured in the power system by monitoring the feedback of the power system in real time.

9. The synchronous condenser configuration system according to claim 8, characterized in that, The preset function q is as follows: Where Pri is the solution for installation cost; Pri aver Installation cost of synchronous condenser configuration scheme with average capacity; Pri max Installation cost for the highest capacity synchronous condenser configuration; Pri min Installation cost of the minimum capacity synchronous condenser configuration; Netl is the solution for the active power loss of the power system; Netl aver The active power loss of the power system corresponding to the synchronous condenser configuration scheme with average capacity; Pri max The active power loss of the power system under the maximum capacity synchronous condenser configuration scheme; Pri min The active power loss of the power system under the minimum capacity synchronous condenser configuration scheme; the average capacity is calculated based on the maximum capacity and the minimum capacity; w1 and w2 are weight values.

10. The synchronous condenser configuration system according to claim 9, characterized in that, The process of determining the target configuration scheme using optimization algorithms includes: A synchronous condenser optimization configuration model is established, and an objective function and constraints are determined. The objective function includes the installation cost and stability of the synchronous condensers, and the constraints include the number of synchronous condensers, their installation locations, their capacity range, and the power system impedance model. Initial particle values ​​are determined, including the number of particles and their initial positions. The capacity of the synchronous condensers at multiple reactive power compensation points is used as multiple components of the initial particle positions. The current velocity of each particle and its corresponding current optimal position and global optimal position are determined based on a preset function. The particle positions and velocities are updated according to the current velocity and corresponding current optimal and global optimal positions until the iterative constraints are met. The current particle positions are output as the target configuration scheme. The expression for the power system impedance model I is as follows: I=Vec×[EF×G]×[E+F] -1 Where E is the identity matrix, F is the block diagonal matrix of the power system, G is the node impedance matrix of the synchronous condenser, and Vec is the transient voltage drop column vector of the preset fault set.

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