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Demand Response Analysis and Control System (DRACS)

Demand Response Analysis and Control System (DRACS). High level architecture and subcomponents Stuart McCafferty EnerNex Corporation. Demand Response Management System (DRMS). SCADA. Business Rules Engine. Demand Response Analysis and Control System (DRACS).

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Demand Response Analysis and Control System (DRACS)

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  1. Demand Response Analysis and Control System (DRACS) High level architecture and subcomponents Stuart McCafferty EnerNex Corporation

  2. Demand Response Management System (DRMS) SCADA Business Rules Engine Demand Response Analysis and Control System (DRACS) Business Rules Optimization and Analysis for DR (BROADR) Historian Load Information Network Status & Load Information Addresses of DR Devices Total capacity of Package Confidence Value Market Information / Signals (CAISO) Visualization Scenario Development Scenario Confidence Distributed Resource Analysis Engine Business Rules Analyzer Generation Capacity How much <generation/shed> do we need? Demand Responsive Devices Database Change Load Conditions Grid Conditions Are Not Normal Commands Attributes and Behavior Demand Responsive Devices and Access Paths Aggregator AMI Load Curtailment Commands

  3. DRACS Components • Demand Responsive Devices and behavior database • Requires import functionality for DR devices and behavior • Distributed Resource Analysis Engine • Visualization

  4. DRACS Distributed Resource Analysis Engine • Description: Scenario evaluator that exercises algorithms based on historical and simulated human behavior, network status, attributes, and latencies • Inputs • Scenario(s) from BROADR • Demand Responsive Devices database • DR/customer capacities • DR/customer historical behavior • Network status and load information • Outputs • Confidence of meeting load management request

  5. DRACS Demand Responsive Devices Database Component • Description: Database incorporating DR device attributes, historical human behavior, and network characteristics • Device discovery, maintain device directory • Library of available Demand-Responsive devices • Device type • Consumer • Generator • Both • Device Maximum Capacity • Access Point Address • Meter GUID • Device Address • Aggregator • Previous human behavior responses to DR events • Network characteristics

  6. DRACS Visualization Component • Description: Provide visualization capability of real time data and drill down capability for demand responsive devices • Inputs: • Load parameters from SCADA historian • Network information • Devices from database • Outputs • Plots • Google Map-like representation of DR landscape

  7. Backup Slides

  8. Other Information to Capture and Include in DRACS model • Price Signal • Implementation Technology • Manual • PCT • Direct Load Control • Home EMS • Climate Zone • Temperature • Customer Type • Time of Day • Past History

  9. Inputs DRMS Business Rules Engine Load or Generation Needs SCADA Demand Response Analysis and Control System (DRACS) Business Rules Optimization Analysis for DR (BROADR) System Loads Analyzer Demand Responsive Devices Database Analyzer Best solution (w/ confidence Interval) Market Info Type, Address, Access Point, Capacity DR Loads Generation Aggregator DR Generators

  10. Outputs DRMS Best solution (w/ confidence Interval) Demand Response Analysis and Control System (DRACS) Business Rules Optimization Analysis for DR (BROADR) Analyzer Demand Responsive Devices Database Analyzer Load or Generation Needs DR Loads Shed or Generate Instructions AMI Aggregator Shed or Generate Commands DR Generators Load Curtailment Shed Commands

  11. DRACS Functionality • Situational Awareness • Aggregation of usage inputs • Device discovery, maintain device directory • Library of available Demand-Responsive devices • Device type • Consumer • Generator • Both • Device Maximum Capacity • Access Point Address • Meter GUID • Device Address • Aggregator • Implementation of buy/shed decisions • Real time control • Demand side load management • Device type • Consumer • Generator • Both • Device Maximum Capacity • Access Point Address • Meter GUID • Device Address • Aggregator Demand Responsive Devices Database

  12. Business Rules Optimization Analysis for DR (BROADR) Functionality • Supply/Demand Business Analysis • Inputs: Market conditions, system load status • Interface with DRACS • Planning • Inputs: Day ahead plan from ISO, estimated demand, available power and price in 5 minute intervals (price set 24 hours ahead of time) • Perform Day Ahead Planning • Price adjustment • Price analysis • Internal Web interface • Visualization of supply price and availability, estimated demand and profit information • Execution Control • Inputs: load and demand usage in x time interval • Real time control • Load shedding • Generation increase • Internal real time Web interface ? • Customer Interfaces & Registration Programs • Web Portal • In home display • Consumer, business, industrial programs

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