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- October 31, 2018October 31, 2018
The Aurora protocol is a lightweight serial protocol developed by Xilinx that is suitable for high speed point-to-point communication links. Support for the Aurora protocol exist for PB5 and NovaCor based RTDS Simulators and is available within both the main timestep and small timestep simulation environments. Aurora specifications for the PB5 and NovaCor hardwares are similar but slight differences do exist. The overview provided here focuses on the NovaCor implementation.
The RTDS Simulator’s Aurora protocol implementation allows the bi-directional exchange of 32-bit integers or floating point numbers between the simulator and another Aurora protocol compatible device. Signals are exchanged via a fiber optic cable.
The ability to output or read-in Aurora formatted packets must be licenced for each PB5 card or NovaCor chassis. Each license allows for interconnections over 4 different fiber optic cables. Each fiber optic connection supports the output of 1-64 numbers as well as the input of 1-64 numbers.
In order to read or write Aurora data to/from a fiber optic cable, either the mainstep or small timestep Aurora components must be used in DRAFT. Both of these icons are shown below and can be found if the keyword ‘aurora’ is used to search the master library.
Want more information?
We would love to answer any questions you have about interfacing the RTDS Simulator to external equipment using the Aurora Protocol. Complete this form and one of our Simulation Specialists will get back to you!
- October 11, 2018October 11, 2018
Join us next week at these conferences!
RTDS Technologies will be at conferences in Canada, United States and Germany next week!
- July 26, 2018July 26, 2018
Attention all IEEE PES GM delegates!
We invite you to join us at our Hospitality Suite, co-hosted with PSCAD, during the IEEE PES General Meeting! Rock down to Electric Avenue where our industry experts will demonstrate the latest advancements in Real Time Power System Simulation!
Pre-register for your chance to win!
Let us know ahead of time that you’re coming, and you’ll receive an extra entry into our Grand Prize draw!
- July 4, 2018July 4, 2018
Yi Zhang appointed CTO of RTDS Technologies
We are very pleased to announce the recent appointment of Yi Zhang as VP, R&D & Chief Technology Officer of RTDS Technologies!
Dr. Yi Zhang has been a valuable member of the RTDS family for 18 years. Starting with us after completing his postdoctoral research at the University of Alberta, he has been a major developer in RTDS development team for many years. Dr. Zhang has contributed to numerous developments including load flow, UMEC transformer, various HVDC and FACTS models, etc. In his most recent position as VP, R&D-Power Systems, Dr. Zhang led a highly technical team of engineers responsible for model development and applications. Dr. Zhang has been a key contributor to RTDS’ success, not only in a technical capacity, but also in marketing & sales as he also performs the role of Acting Manager for the China region. He brings a unique combination of expertise to the CTO role with his technical background and customer-facing experience. Reporting to the CEO, he will provide overall strategic technical direction and lead the R&D function including hardware, software & model development.
Dr. Zhang is a registered professional engineer in the province of Manitoba. He holds Ph.D. degrees in Electrical Engineering from the University of Manitoba and Shanghai Jiaotong University. Dr. Zhang also serves as an adjunct professor of the University of Manitoba and an editor of IEEE Transactions on Power Delivery.
- July 3, 2018July 3, 2018
RTDS and SEL Mark Historic Milestone in Power System Protection
On May 7, 2018, the Public Service Company of New Mexico (PNM) energized a 345 kV series-compensated transmission line protected by SEL-T400L Time-Domain Line Protection devices with the trip circuits live to the breakers. This marked the first time that a relay based on traveling-wave protection principles was applied to protect a high-voltage transmission line, an event made possible by the new Traveling Wave Relay Testing (TWRT™) capability in the RTDS® Simulator.
This event was the culmination of PNM’s plan to divide a 345 kV series-compensated transmission line into two segments intersecting at a new switching station. Because the division would result in overcompensation on the first section of the line, PNM reached out to Schweitzer Engineering Laboratories (SEL) for assistance in developing a protection design, calculating relay settings, and performing real-time digital simulation. This became the perfect opportunity to introduce PNM to the SEL-T400L.
“We used the RTDS Simulator’s TWRT capability for acceptance testing of the SEL-T400L to demonstrate the performance and behavior of the traveling-wave functions. The test results gave the customer the confidence to deploy the relay with direct tripping.”
SEL Protection Engineer
Two months prior to the energization of the line, engineers at SEL performed Model Power System Testing of both line segments using the RTDS Simulator at their testing facility in Pullman, Washington. SEL performed traditional testing at a timestep of 50 microseconds to test and prove the time-domain elements of the SEL-T400L. While the time-domain elements worked as expected, the testing of traveling-wave functions required an even faster timestep.
To solve this dilemma with perfect timing, RTDS Technologies provided NovaCor™ simulation hardware with the recently announced TWRT capability. TWRT allowed SEL to test the traveling-wave directional and differential elements in real time to prove their performance to PNM.
The TWRT testing revealed an unprecedented operation time of 600 microseconds for the traveling-wave differential element for a midline single-phase fault. Moreover, the traveling-wave fault locator reported the fault location to within 0.02 miles on a 33.1-mile line! These testing results gave PNM the confidence to deploy the SEL-T400L with direct tripping.
This is only the beginning for traveling-wave protection devices and their associated test equipment. SEL Engineering Services and RTDS Technologies are at the forefront, inventing the future of power system protection. Learn more about how TWRT from RTDS and the SEL-T400L can improve your protection system.
By Jordan Bell, Schweitzer Engineering Laboratories
Appears in RTDS News, June 2018.