SYSTEMS AND METHODS FOR A REAL-TIME SYNCHRONIZED ELECTRICAL POWER SYSTEM SIMULATOR FOR "WHAT-IF" ANALYSIS AND PREDICTION OVER ELECTRICAL POWER NETWORKS

• US 20080109205A1
• Filed: 10/24/2007
• Published: 05/08/2008
• Est. Priority Date: 10/24/2006
• Status: Active Grant

• Current Assignee: Bentley Systems Incorporated
• Original Assignee: EDSA Micro Corporation (PAC Global, Inc.)
• Inventors: Nasle, Adib
• Granted Patent: US 8,180,622 B2
• Time in Patent Office: Days
• US Class Current: 703/18
• CPC Class Codes: G06F 2119/06 Power analysis or power optimisation
• CPC Class Codes: G06F 30/20 Design optimisation, verification or simulation optimisation, verification or simulation of circuit designs G06F30/30
• CPC Class Codes: Y02E 60/00 Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
• CPC Class Codes: Y04S 40/20 Information technology specific aspects, e.g. CAD, simulation, modelling, system security

Abstract

A system for real-time modeling of electrical system performance is disclosed. The system includes a data acquisition component, a power analytics server and a client terminal. The power analytics server is comprised of a virtual system modeling engine, an analytics engine and a power system simulation engine. The virtual system modeling engine is configured to generate predicted data output utilizing a first virtual system model. The analytics engine is configured to synchronize the first virtual system model when a difference between the real-time data output and the predicted data output exceeds a threshold. The power system simulation engine is configured to store and process patterns and facilitate modification of parameters on the first virtual system model to create a second virtual system model; and forecast an aspect of the electrical system operating under parameters of the second virtual system model. The client terminal displays the forecasted aspects.

Claims

1. A system for real-time modeling of electrical system performance, comprising:

a data acquisition component communicatively connected to a sensor configured to acquire real-time data output from the electrical system;

an analytics server communicatively connected to the data acquisition component, comprising,

a virtual system modeling engine configured to generate predicted data output for the electrical system utilizing a first virtual system model of the electrical system,

an analytics engine configured to monitor the real-time data output and the predicted data output of the electrical system, the analytics engine further configured to initiate a calibration and synchronization operation to update the first virtual system model when a difference between the real-time data output and the predicted data output exceeds a threshold, and

a power system simulation engine configured to store and process patterns observed from the real-time data output and the predicted data output, the power system simulation engine further configured to operate in a scenario builder mode to facilitate modification of parameters on the first virtual system model to create a second virtual system model and to forecast an aspect of the electrical system operating under the modified parameters of the second virtual system model; and

a client terminal communicatively connected to the power system simulation engine, the client terminal configured to allow a system administrator to modify the parameters of the first virtual system model when the power system simulation engine is operating in the scenario builder mode and display a report of the forecasted aspects.

2. The system for real-time modeling of electrical system performance, as recited in claim 1, wherein the power analytics simulation engine includes,

an associative memory layer,

a sensory layer, and

a neocortical model.

3. The system for real-time modeling of electrical system performance, as recited in claim 1, wherein the modified parameters include a selection of electrical system components and component operational parameters.

4. The system for real-time modeling of electrical system performance, as recited in claim 1, wherein the modified parameters include a selection of contingency events that the virtual system model is subjected to during the simulation.

5. The system for real-time modeling of electrical system performance, as recited in claim 1, wherein the modified parameters include a selection of remedial systems for correcting problems with electrical system performance.

6. The system for real-time modeling of electrical system performance, as recited in claim 1, wherein the modified parameters include a selection of electrical system and load point reliability indices.

7. The system for real-time modeling of electrical system performance, as recited in claim 1, wherein the modified parameters include a selection of power load set points.

8. The system for real-time modeling of electrical system performance, as recited in claim 1, wherein the aspect is a predicted ability of the electrical system to maintain an acceptably high level of power quality.

9. The system for real-time modeling of electrical system performance, as recited in claim 4, wherein the aspect is a predicted ability of the electrical system to maintain an acceptably high level of power quality when subjected to a contingency event.

10. The system for real-time modeling of electrical system performance, as recited in claim 8, wherein the power quality level is high when the electrical system maintains a voltage and frequency output within defined tolerance limits.

11. The system for real-time modeling of electrical system performance, as recited in claim 1, wherein the aspect is the predicted total power system capacity for the electrical system.

12. The system for real-time modeling of electrical system performance, as recited in claim 1, wherein the aspect is a predicted ability of the electrical system to maintain sufficient active and reactive power reserves in the electrical system.

13. The system for real-time modeling of electrical system performance, as recited in claim 1, wherein the aspect is a predicted ability of the electrical system to maintain a minimum level of electrical system reliability and availability.

14. The system for real-time modeling of electrical system performance, as recited in claim 4, wherein the aspect is a predicted ability of the electrical system to maintain a minimum electrical system operational safety level during the simulated contingency event.

15. The system for real-time modeling of electrical system performance, as recited in claim 4, wherein the aspect is a predicted ability of the electrical system to maintain minimum electrical system operational costs during the simulated contingency event.

16. The system for real-time modeling of electrical system performance, as recited in claim 4, wherein the aspect is a predicted ability of the electrical system to maintain operational stability in the electrical system when subjected to the simulated contingency event.

17. The system for real-time modeling of electrical system performance, as recited in claim 16, wherein operational stability is a measure of the electrical system'"'"'s ability to maintain stability and recover from the contingency event without violating operational constraints of the electrical system.

18. A computer implemented method for real-time modeling of electrical system performance, comprising:

updating a first virtual system model of the electrical system in response to real-time data;

modifying a parameter of the first virtual system model to create a second virtual system model, using a scenario builder application;

simulating electrical system performance using the second virtual system model; and

generating a report that forecasts an aspect of the electrical system.

19. The computer implemented method for real-time modeling of electrical system performance, as recited in claim 18, wherein the modified parameter is a selection of one of an electrical system component or component operational parameter.

20. The computer implemented method for real-time modeling of electrical system performance, as recited in claim 18, wherein the modified parameter is a selection of a contingency event that the second virtual system model is subjected to during the simulation.

21. The computer implemented method for real-time modeling of electrical system performance, as recited in claim 18, wherein the modified parameters is a selection of a remedial system for correcting problems with electrical system performance.

22. The computer implemented method for real-time modeling of electrical system performance, as recited in claim 18, wherein the modified parameter is a selection of one of an electrical system reliability index or load point reliability index.

23. The computer implemented method for real-time modeling of electrical system performance, as recited in claim 18, wherein the modified parameter is a selection of a power load set point.

24. The computer implemented method for real-time modeling of electrical system performance, as recited in claim 18, wherein the aspect is a predicted ability of the electrical system to maintain an acceptably high level of power quality.

25. The computer implemented method for real-time modeling of electrical system performance, as recited in claim 18, wherein the aspect is a predicted ability of the electrical system to maintain an acceptably high level of power quality when subjected to a contingency event.