New simulation tools are required by utility distribution engineers to prepare for increased levels of renewable distributed generation deployment. The new Cooper Power Systems CYME Power Engineering Software Long-Term Dynamics Analysis module has been released to help address the challenges in power network planning and operation of variable output distributed energy resources (DER), such as solar farms and wind farms. The new module offers a new time-series simulation to study the impact of insolation variations, wind fluctuations and load variations on network controls.
Given the impact of wind intermittency and cloud-over periods on the output of wind energy systems and photovoltaic generation, analyzing such variations on regulators, load tap-changers and capacitor switches becomes critical to operating the system. The Long-Term Dynamics Analysis module allows the user to properly assess the impact of DER integration and better understand related technical issues such as VAR control and voltage regulation.
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