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Quasi-Dynamic Analysis

Quasi-Dynamic Analysis

Quasi-Dynamic Analysis

Quasi-Dynamic Analysis
Time-domain unbalanced load flow analysis along with control system model is used to simulate system performance and control system interactions during load and generation variation as well as various events over a function of time. 
Quasi-Dynamic-Analysis
Today’s power systems depend on renewable energy resources to meet their load demand. Energy storage systems are also integrated into power system to allow seamless integration of renewables and increase power system reliability. Both renewables and energy storage systems are typically dispatched through control systems such as power plant controller, microgrid controller or ADMS. To design, study, size assets, and determine optimal control settings, it is essential to evaluate system performance including control system during load and generation variation as well as various events over a function of time. Primary control of inverter-based resource such as Q-V control, P-V Control as well as P-Q capability limitation is considered through smart inverter control function within Quasi-Dynamic analysis. Quasi-Dynamic analysis is an option within Time-Domain Unified Load Flow Analysis.

 

Key Features

  • All features of Time Domain Unified Load Flow Analysis 
  • Active power control at point of interconnection
  • Peak shaving 
  • Reactive power, voltage & power factor control
  • Energy storage control and management 
  • Renewable smoothing 
  • Microgrid islanded energy management 
Quasi-Dynamic-Analysis-Features

Applications

  • Develop and study secondary and tertiary control systems
  • Grid code study
  • Design and study renewable and energy storage based systems
  • Design and study power plants and microgrids
  • Design and study electric vehicle charging stations
  • Size reactive power sources, e.g. capacitor banks and Statcom
  • Real-time testing of secondary and tertiary control systems.
Quasi-Dynamic-Analysis-Applications

Software Capabilities

  • All Time-domain unified load flow analysis software capabilities
  • User-defined control logic (development license)
  • Controller to controller communication
  • Communication time delay
  • Handle etap PPC and Microgrid controller digital twins
  • DNP3 slave interface for hardware in the loop (HIL) test
Quasi-Dynamic-Analysis-Capabilities

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Electrical Power System Analysis