Systems, methods and apparatus for improved management and control of energy delivery systems

Patent metadata

Field	Value
Publication number	US-2016149408-A1
Application number	US-201514666440-A
Country	US
Kind code	A1
Filing date	Mar 24, 2015
Priority date	Nov 21, 2014
Publication date	May 26, 2016
Grant date	—

Abstract

Embodiments provide systems, methods and apparatus for controlling an energy delivery system including providing an energy management system (EMS) having an automatic generation control (AGC) system including a load frequency control (LFC) module; executing two or more performance standard functions implemented within the LFC module using input data regarding the energy delivery system, wherein at least one of the performance standard functions is defined to be dependent upon another of the performance standard functions; and implementing corrections to the operation of the energy delivery system based upon solution results of executing the performance standard functions. 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) having an automatic generation control (AGC) system including a load frequency control (LFC) module; executing two or more performance standard functions implemented within the LFC module using input data regarding the energy delivery system, wherein at least one of the performance standard functions is defined to be dependent upon another of the performance standard functions; and implementing corrections to the operation of the energy delivery system based upon solution results of executing the performance standard functions.

2 . The method of claim 1 wherein the performance standard functions implemented within the LFC module include a Long Term North American Electric Reliability Corporation (NERC) Control Performance Standard 001 (CPS1) Control function, a Short Term CPS1 Control function, a Long Term NERC Control Performance Standard 002 (CPS2) Control function, and a Short Term CPS2 Control function, wherein Long Term refers to a time period of greater than a month and Short Term refers to a time period less than ten minutes.

3 . The method of claim 2 wherein the Long Term CPS1 Control function and the Long Term CPS2 Control function are integrated, and wherein the Short Term CPS1 Control function and the Short Term CPS2 Control are integrated.

4 . The method of claim 1 wherein the performance standard functions implemented within the LFC module include a Long Term CPS1 Control function, a Short Term CPS1 Control function, and a NERC Balancing Authority Area Control Error (ACE) Limit (BAAL) Control function, wherein Long Term refers to a time period of greater than a month and Short Term refers to a time period less than ten minutes.

5 . The method of claim 4 wherein the BAAL Control function is operative to calculate a clock-minute ACE and a clock-minute BAAL, monitor a clock-minute ACE average, and initiate a control action to correct the ACE back to the clock-minute BAAL if the ACE exceeds the clock-minute BAAL.

6 . The method of claim 1 wherein the input data includes historical data, static data, and dynamic data.

7 . The method of claim 1 wherein providing the LFC module includes providing an LFC application and a coordinated CPS control engine, and wherein the LFC application is operative to call the performance standard functions in the coordinated CPS control engine.

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: execute two or more performance standard functions implemented within an LFC module using input data regarding an energy delivery system, wherein at least one of the performance standard functions is defined to be dependent upon another of the performance standard functions; and implement corrections to the operation of the energy delivery system based upon solution results of executing the performance standard functions.

9 . The EMS of claim 8 wherein the performance standard functions implemented within the LFC module include a Long Term CPS1 Control function, a Short Term CPS1 Control function, a Long Term CPS2 Control function, and a Short Term CPS2 Control function, wherein Long Term refers to a time period of greater than a month and Short Term refers to a time period less than ten minutes.

10 . The EMS of claim 9 wherein the Long Term CPS1 Control function and the Long Term CPS2 Control function are integrated, and wherein the Short Term CPS1 Control function and the Short Term CPS2 Control are integrated.

11 . The EMS of claim 8 wherein the performance standard functions implemented within the LFC module include a Long Term CPS1 Control function, a Short Term CPS1 Control function, and a BAAL Control function, wherein Long Term refers to a time period of greater than a month and Short Term refers to a time period less than ten minutes.

12 . The EMS of claim 11 wherein the BAAL Control function is operative to calculate a clock-minute ACE and a clock-minute BAAL, monitor a clock-minute ACE average, and initiate a control action to correct an ACE back to the clock-minute BAAL if the ACE exceeds the clock-minute BAAL.

13 . The EMS of claim 8 wherein the input data includes historical data, static data, and dynamic data.

14 . The EMS of claim 8 wherein the LFC module includes an LFC application and a coordinated CPS control engine, and wherein the LFC application is operative to call the performance standard functions in the coordinated CPS control engine.

15 . A load frequency control (LFC) module within an automatic generation control (AGC) system, the LFC module comprising:
a LFC application operative to execute on a process controller to generate an output data structure and to store solution results in an operational database of a EMS; and a coordinated CPS control engine operable to execute on the process controller to receive input data, execute two or more performance standard functions called by the LFC application, and to populate the output data structure with solution results, wherein at least one of the performance standard functions executable by the coordinated CPS control engine is defined to be dependent upon another of the performance standard functions.

16 . The LFC module of claim 15 wherein the performance standard functions implemented within the coordinated CPS control engine include a Long Term CPS1 Control function, a Short Term CPS1 Control function, a Long Term CPS2 Control function, and a Short Term CPS2 Control function.

17 . The LFC module of claim 16 wherein the Long Term CPS1 Control function and the Long Term CPS2 Control function are integrated, and wherein the Short Term CPS1 Control function and the Short Term CPS2 Control are integrated.

18 . The LFC module of claim 15 wherein the performance standard functions implemented within the LFC module include a Long Term CPS1 Control function, a Short Term CPS1 Control function, and a BAAL Control function.

19 . The LFC module of claim 18 wherein the BAAL Control function is operative to calculate a clock-minute ACE and a clock-minute BAAL, monitor a clock-minute ACE average, and initiate a control action to correct the ACE back to the clock-minute BAAL if the ACE exceeds the clock-minute BAAL.

20 . The LFC module of claim 15 wherein the LFC module is commutatively coupled to a CPS database within a historical information system running on a second process controller.

Assignees

• Siemens Industry Inc

Inventors

• Chen Dingguo
• York Michael E

Classifications

• H02J2103/30

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

• H02J3/381 Primary

  Dispersed generators · CPC title

• H02J3/005 Primary

  Electricity · mapped topic

• G05B15/02

  electric · CPC title

• Y02E60/00

  Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation · CPC title