Cooper Power Systems CYME Power Engineering Software Module Released for Long-Term Dynamics Analysis of Distributed Energy Resources

Cooper Power Systems - 10.03.2011

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 will be released October 2011 to help address the complex challenges in power network planning and operation of variable output distributed energy resources (DER), such as solar farms and wind farms. The new CYME 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 (PV) 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.

“As technology advances for wind and solar power supplies in power generation portfolios, utilities are faced with the challenge of managing their interconnection into the grid. The Cooper Power Systems CYME Long-Term Dynamics Analysis module will provide our customers with a powerful tool to understand how solar arrays and wind farms will impact their system,” said Mike Stoessl, president, Cooper Power Systems, a subsidiary of Cooper industries (NYSE: CBE).

Since 1986 thousands of power system engineers from around the world have used CYME software from Cooper Power Systems to plan, design and optimize electrical power networks. For more information, please visit our web site,

Editor’s Note: For additional information, contact Mike Petrasek at (412) 394-6611 or

About Cooper Power Systems

Cooper Power Systems, with 2010 revenues of approximately $1.2 billion, is a subsidiary of Cooper Industries plc (NYSE: CBE), and a global manufacturer of world-class power delivery and reliability solutions for the utility, commercial, and industrial markets. Cooper Power Systems is a leading provider of innovative Smart Grid technologies that optimize electrical grid performance. These solutions include Advanced Metering Infrastructure (AMI), Demand Response (DR), Smart Sensors, Power Systems Engineering Software and Services, Substation Automation, and Feeder Automation. The company is also a leading provider of software, communications and integration solutions that enable customers to increase productivity, improve system reliability, and reduce costs. For more information, please visit

About Cooper Industries

Cooper Industries plc (NYSE: CBE) is a global electrical products manufacturer with 2010 revenues of $5.1 billion. Founded in 1833, Cooper Industries’ sustained success is attributable to a constant focus on innovation, evolving business practices while maintaining the highest ethical standards, and meeting customer needs. The Company has seven operating divisions with leading market positions and world-class products and brands including: Bussmann electrical and electronic fuses; Crouse-Hinds and CEAG explosion-proof electrical equipment; Halo and Metalux lighting fixtures, and Kyle and McGraw-Edison power system products. With this broad range of products, Cooper Industries is uniquely positioned for several long-term growth trends including the global infrastructure build-out, the need to improve the reliability and productivity of the electric grid, the demand for higher, energy-efficient products and the need for improved electrical safety. In 2010, fifty-nine percent of total sales were to customers in the industrial and utility end-markets and thirty-nine percent of total sales were to customers outside the United States. Cooper has manufacturing facilities in 21 countries as of 2010. For more information, visit the website at


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