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- January 11, 2016January 11, 2016
The dynamic load model uses a variable conductance to maintain the P & Q set points. There have been a few additions to the 3-phase dynamic load model in the latest version of RSCAD, version 4.007.1.
There are now 2 options on how the load can be connected: Y-connected and Delta-connected. When the delta-connected option is selected, there is another tab that is created called “Stray Capacitances.” In order to give the component a ground reference, capacitance to ground is added.
Previously there was only the option to monitor the real and reactive power in the component. Now the line current in the component can also be monitored.
- November 19, 2015November 19, 2015
RTDS Technologies would like to thank everyone who attended or contributed to our 2015 China User’s Group Meeting (UGM), helping to make it a huge success. The meeting took place from November 9 to 11, in Beijing, China – a global hub for power systems research and development – and provided a forum for users of the RTDS Simulator to share their work, hear about many exciting new applications of the Simulator, participate in RTDS Technologies staff-led presentations and tutorials, and make connections with other users. Over 120 RTDS Simulator users attended our 2015 China UGM.
Over the three days, participants experienced a wide variety of presentations describing interesting applications of the RTDS Simulator. Each day was kicked off with a keynote speech to engage and energize the crowd, the topics of which included applications of the Simulator in Southern China’s AC/DC power grid, closed-loop testing of relays using the Simulator, and the simulation of alternate electrical power systems containing renewable energy technology.
The meeting also featured over twenty different user presentations from a wide variety of Simulator users from Chinese electric power utilities, power system equipment manufacturers, universities, and research institutions. This diversity in user perspective created an excellent opportunity for knowledge sharing between those involved in different facets of the power industry. User presentation topics included the simulation of modular multi-level converter-based (MMC-based) HVDC schemes, the application of an extreme fault in a multi-HVDC infeed power grid, factory testing of a scheme looping back-to-back LCC and MMC HVDC systems, the use of the Simulator for intelligent substation testing, railway system simulation, and power-hardware-in-the-loop simulation of a UPFC system, and much more. A list of presentations available can be found here, or is available in the client area of our website.
The UGM also featured presentations by RTDS Technologies staff, focusing mostly on recent hardware and software developments and new applications of the RTDS Simulator. Special topics included power-hardware-in-the-loop studies, applications of the network interface card for communicating with external equipment over a LAN, and MMC applications. RTDS Technologies also hosted a full afternoon tutorial and demo of power electronics simulation.
As is customary during our User’s Group Meetings around the world, attendees enjoyed an evening network event, including a theatrical show and dinner.
RTDS Technologies holds User’s Group Meetings in China, North America, Europe, and – for the first time in January 2016 – in Africa. RTDS Simulator users and all power system colleagues interested in real time digital power system simulation are welcome to attend. Check the RTDS Technologies events page for updates on meetings in your area. We hope to see you there!
- November 4, 2015November 4, 2015
The recent September/October issue of IEEE Power and Energy magazine focused on synchrophasor technology – the use of real-time phasor measurements synchronized to an absolute time reference to provide instantaneous and accurate information on the condition of the electric system. Several articles in the issue feature projects that involve the RTDS Simulator. RTDS Technologies’ participation in synchrophasor-related industry working groups, along with our continuing focus on phasor measurement units (PMUs) as part of our R&D program, ensures that the RTDS Simulator’s facilities for PMU simulation and testing are at the cutting edge. We are proud to see our customers’ work with the Simulator as a recurring topic in IEEE Power and Energy articles.
“Challenging Changing Landscapes” (pg. 18) discusses the implementation of synchrophasor technology in the electrical grid of the west coast of the United States to improve grid reliability, performance, and security. The article highlights the work of the Western Electricity Coordinating Council (WECC) to facilitate industry-wide coordination in grid planning and operation. Pacific Gas and Electric Co. (PG&E) uses the RTDS Simulator in their world-class Synchrophasor Proof of Concept Facility in San Ramon, California, where is provides an environment for testing PMU components, interoperability, and applications. It is described as an invaluable test facility for large-scale synchrophasor development, and has placed PG&E among those at the forefront of synchrophasor research in the United States.
“Strategies for Success with Synchrophasors” (pg. 29) brings the reader over to the east cost of the United States, where various system operators, transmission owners, electric utilities, and other grid stakeholders are leading the way in synchrophasor development and integration. Dominion Virginia Power’s real-time digital simulator laboratory, which is used for operator training, is featured in the article. The lab is used to simulate the behavior of the grid in real time and stream PMU measurements from the simulated grid to a software phasor data concentrator (PDC). Engineers and operators can then visualize the effects of simulated events in real time. Dominion has created a comprehensive model of its transmission network on the RTDS Simulator so that trainees can experience realistic contingencies.
“Advancing China’s Smart Grid” (pg. 60) discusses the implementation of PMUs in a Wide-Area Measurement System (WAMS) in China. China Southern Grid (CSG) used the RTDS Simulator to carefully test the Wide-Area Damping Control (WADC) system that was commissioned in 2008. This project saw the installation of six PMUs across three provinces over a distance of over 1,000 km, as well as three HVDC links with a total capacity of over 11 GW. CSG’s controllers were intended to damp certain oscillation modes that were limiting long-distance power transfer. Using the RTDS Simulator, CSG was able to observe the operation of the controllers over a variety of contingency scenarios in a safe, controlled environment.
Keep an eye out for more examples of cutting edge usage of the RTDS Simulator in future issues of IEEE Power and Energy and other industry magazines. You can subscribe to IEEE Power and Energy magazine by clicking here.
- September 7, 2015September 7, 2015
The September 2015 issue of RTDS News features a guest article about the nuclear fusion reactor controller testing at the National Fusion Research Institute in Korea. It also highlights the multitude of industry R&D initiatives that RTDS Technologies is actively involved in. You can read about these, and more, here.
- August 20, 2015August 20, 2015
We are thrilled to announce our first video! Filmed on site at our 2015 North American User’s Group Meeting in San Francisco, the video showcases the RTDS Simulator from the user perspective. If you like the video and want to see more from RTDS Technologies, please share and subscribe to our YouTube channel! We plan to release more videos on a variety of topics in the future.