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Related Articles from SNS
Small-Signal Analyses Using Analytical IBR Models and Frequency-Dependent Th\'evenin Equivalents
arXiv:2606.04538v1 Announce Type: new Abstract: This paper investigates whether component-level studies can capture additional interactions through Small Signal Analysis (SSA) when the network connected to the Voltage Source Converter (VSC), typically modeled as a simple Thevenin Equivalent, is a more complex IBR-based network. The research investigates cases ranging from basic analytical to an IEEE 9-Bus EMT model, with and without Inverter-Based Resources (IBRs), synthesized as State-Space...
Revisiting Power System Stabilizers with Increased Inverter-Based Generation: A Case Study
arXiv:2506.19357v3 Announce Type: replace Abstract: As power systems evolve with increasing production from Inverter-Based Resources (IBRs), their underlying dynamics are undergoing significant changes that can jeopardize system operation, leading to poorly damped oscillations or small-signal rotor angle instability. In this work, we investigate whether Power System Stabilizer (PSS) setting adjustments can effectively restore system stability and provide adequate damping in systems with...
Enhancing Offshore Wind Simulations: Interpolated Switching via DLL Black-Boxes
Announce Type: new Abstract: The modern power system, increasingly composed of Inverter-Based Resources (IBR) from multiple manufacturers, requires new study and design techniques that balance accuracy with the need to protect the Intellectual Property (IP) of various stakeholders. One possible method to support detailed electromagnetic transient (EMT) simulations is to convert the original equipment manufacturers (OEM) models into shareable black-box versions using dynamic link libraries...
Estimation of Equivalent SCR for Offshore Wind
arXiv:2606.03538v1 Announce Type: new Abstract: The integration of offshore wind power plants (OW-PPs) into weak grids can pose stability challenges due to the interaction between inverter-based resources (IBRs), Flexible AC Transmission Systems (FACTS) and the grid. In this context, long HVAC transmission systems, relatively common for OWPPs, can exacerbate the stability challenges. Therefore, this paper introduces a novel methodology for estimating the equivalent short-circuit ratio (ESCR)...
July 1 brings big student loan changes. Here's what you need to know
July 1 brings big student loan changes. Here's what you need to know On July 1, a host of new student loan changes from last year's One Big Beautiful Bill Act will kick in, including the end of a short-lived Biden-era repayment plan, the start of two Republican-designed repayment plans and strict new borrowing limits for some students. There's a lot to parse, and not every change will impact every borrower.
Student loan borrowing is 'high stakes' as new rules take effect on July 1, CFP says. What to know
Student loan borrowers who take certain steps will soon face fewer repayment and debt forgiveness pathways, due to President Donald Trump's One Big Beautiful Bill Act. "Be very careful when it comes to taking out new student loans," said Landon Warmund, a certified financial planner and certified student loan professional at Reliant Financial Services in Kansas City, Missouri. That's because those who borrow federal student loans after July 1 will go from a "legacy borrower" to a "new...
One Big Beautiful Bill Act rollout starts; new student loan rules take effect July 1
Starting July 1, federal stundent loan borrowers will have to face sweeping new rules as US President Donald Trump’s One Big Beautiful Bill Act (OBBBA) begins its rollout. According to a report by CNBC, financial planners warn that the legislation could sharply limit repyamnet and forgiveness pathways for those looking to take new loans, amking borrowing decisions far more consequential. “Be very careful when it comes to taking out new student loans,” said Landon Warmund, a certified...