Systems, methods and apparatus for improved energy management systems with security constrained dynamic dispatch for wind power management

Patent metadata

Field	Value
Publication number	US-2016273518-A1
Application number	US-201514853082-A
Country	US
Kind code	A1
Filing date	Sep 14, 2015
Priority date	Sep 2, 2014
Publication date	Sep 22, 2016
Grant date	—

Abstract

Embodiments provide systems, methods and apparatus for controlling an energy delivery system including providing an energy management system (EMS) including a wind power management (WPM) system, the WPM system including a WPM application that includes a security constrained dynamic dispatch (SCDD) application; receiving input data within the SCCD application, the data including real time telemetry and dynamic unit parameters, schedule input data, and critical constraint data; validating the input data for consistency to avoid infeasibilities; pre-processing the validated input data to determine parameters including a total generation amount to be dispatched; formulating an optimization model based on the parameters and data structures storing the validated input data; executing an optimization process on the optimization model to compute a solution; post-processing the solution to determine economic basepoints; and using the determined economic basepoints in controlling operation of the energy delivery system. Numerous other aspects are provided.

First claim

What is claimed is:

1 . A method of controlling an energy delivery system, the method comprising:
providing an energy management system (EMS) communicatively coupled to a plurality of generating units including wind power generating units, the EMS including a wind power management (WPM) system, the WPM system including a WPM application that includes a security constrained dynamic dispatch (SCDD) application; receiving input data within the SCCD application, the data including real time telemetry and dynamic unit parameters, schedule input data, and critical constraint data; validating the input data for consistency to avoid infeasibilities; pre-processing the validated input data to determine a first set of parameters including a total generation amount to be dispatched and additional parameters; formulating an optimization model based on the first set of parameters and one or more data structures storing the validated input data; executing an optimization process on the optimization model to compute a solution; post-processing the solution to determine each unit's economic basepoints; and using the determined economic basepoints in controlling operation of the energy delivery system.

2 . The method of claim 1 wherein receiving input data includes receiving static and dynamic data from an interface to a supervisory control and data acquisition (SCADA) system, an interface to an automatic generation control (AGC) system, an interface to a Current Operating Plan (COP) database, and an interface to a transmission network application.

3 . The method of claim 1 wherein validating the input data includes avoiding infeasibilities due to invalid input data.

4 . The method of claim 1 wherein pre-processing the validated input data includes determining a list of generating units that will participate in dispatch, determining operating modes of the generating units for each time interval of a dispatch horizon, determining dispatch limits, determining ramp rates, determining resulting cost curves, determining initial outputs, and determining network critical constraints to be considered during dispatch.

5 . The method of claim 1 wherein formulating an optimization model includes mapping data structures within the SCDD application to the optimization model.

6 . The method of claim 1 wherein formulating an optimization model includes building an objective function and constraints based on the first set of parameters and the data structures storing the validated input data.

7 . The method of claim 1 wherein post-processing the solution includes publishing each unit's economic basepoints to a WPM database and to a real time AGC database.

8 . An energy management system (EMS) comprising:
a process controller; a memory coupled to the process controller and storing instructions executable on the process controller, the instructions operable to cause the process controller to: receive input data within a SCDD application, the data including real time telemetry and dynamic unit parameters, schedule input data, and critical constraint data; validate the input data for consistency to avoid infeasibilities; pre-process the validated input data to determine a first set of parameters including a total generation amount to be dispatched and additional parameters; formulate an optimization model based on the first set of parameters and one or more data structures storing the validated input data; execute an optimization process on the optimization model to compute a solution; post-process the solution to determine economic basepoints for generation units in an energy delivery system; and use the determined economic basepoints in controlling operation of the energy delivery system.

9 . The EMS of claim 8 wherein the instructions operable to cause the process controller to receive input data include instructions operable to cause the process controller to receive static and dynamic data from an interface to a supervisory control and data acquisition (SCADA) system, an interface to an automatic generation control (AGC) system, an interface to a Current Operating Plan (COP) database, and an interface to a transmission network application.

10 . The EMS of claim 9 wherein the instructions operable to cause the process controller to validate the input data include instructions operable to cause the process controller to avoid infeasibilities due to invalid input data.

11 . The EMS of claim 10 wherein the instructions operable to cause the process controller to pre-process the validated input data include instructions operable to cause the process controller to determine a list of generating units that will participate in dispatch, determine operating modes of the generating units for each time interval of a dispatch horizon, determine dispatch limits, determining ramp rates, determine resulting cost curves, determining initial outputs, and determine network critical constraints to be considered during dispatch.

12 . The EMS of claim 11 wherein the instructions operable to cause the process controller to formulate an optimization model include instructions operable to cause the process controller to map data structures within the SCDD application to the optimization model.

13 . The EMS of claim 12 wherein the instructions operable to cause the process controller to formulate an optimization model includes instructions operable to cause the process controller to build an objective function and constraints based on the first set of parameters and the data structures storing the validated input data.

14 . The EMS of claim 13 wherein the instructions operable to cause the process controller to post-process the solution include instructions operable to cause the process controller to publish each unit's economic basepoints to a WPM database and to a real time AGC database.

15 . A computer implemented security constrained dynamic dispatch (SCDD) application for a wind power management (WPM) system within an energy management system (EMS), the SCDD application comprising:
a data collection function module operative to receive input data within the SCCD application, the data including real time telemetry and dynamic unit parameters, schedule input data, and critical constraint data; a data validation function module operative to validate the input data for consistency to avoid infeasibilities; a data pre-processing function module operative to pre-process the validated input data to determine a first set of parameters including a total generation amount to be dispatched and additional parameters; an optimization model formulation function module operative to formulate an optimization model based on the first set of parameters and one or more data structures storing the validated input data; a solution function module operative to execute an optimization process on the optimization model to compute a solution; and a result post-processing function module operative to post-process the solution to determine economic basepoints for generation units in an energy delivery system.

16 . The SCDD application of claim 15 wherein the data collection function module is further operative to interface with a supervisory control and data acquisition (SCADA) system, an automatic generation control (AGC) system, a Current Operating Plan (COP) database, and a transmission network application.

17 . The SCDD application of claim 16 wherein the SCDD application includes a SCDD program and a SCDD engine, and wherein the SCDD program is communicatively coupled to the SCDD engi

Assignees

• Siemens Industry Inc

Inventors

• Chen Dingguo
• Mathine Matthew Jay

Classifications

• H02J2103/30

  Simulating, planning, modelling, reliability check or computer assisted design [CAD] of electric power networks · CPC title

• H02J2101/28

  Wind energy · CPC title

• F03D7/045 Primary

  with model-based controls · CPC title

• F03D7/048

  controlling wind farms · CPC title

• F05B2270/20

  to optimise the performance of a machine · CPC title