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We have enjoyed very high reliability in our power system for many decades primarily through synchronous generation (SG). Now with more and more inverter-based resources (IBR’s) replacing the SG we are entering an area of numerous unknowns. IBR’s have been basically designed to go offline during a stressed event on the grid. We have seen numerous instances of this in the last several years. IBR’s are dynamic devices and must be modeled and analyzed with EMT type software such as PSCAD which we have been doing for some time. Now we are beginning to understand that we must add other components of the system such as protective relays on the grid to see how the entire system responds. I have read many articles stating that under stressed conditions to just remove the IBR. This is not nor certainly will not be acceptable moving forward if we want to continue to enjoy the level of reliability that we have enjoyed for many decades. We must model and analyze the system as a whole to better understand how the system responds so that we may continue to enjoy the stable reliable energy supply system. Please feel free to reach out to me to discuss this further.
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The NERC Industry Recommendation on Inverter-Based Resouce Model Quality Deficiencies dated June 4, 2024 solidifies what I stated in my previous post. I believe at some point this will become mandatory for our entire bulk electric system. I think one of the main concerns was that the faults mentioned were not able to be replicated by the standard RMS softwares used for system planning and protection. The need for accurate system dynamic models and analyzes has arrived. I think this recommendation is a little late in recognizing the complexities in transitioning to Inverter-based resources. Below is an excerpt from the NERC Recommendation: The recommendations in this alert should be implemented by all industry stakeholders to help mitigate systemic modeling deficiencies. Recommendations 1–3 of this alert are general in nature and are intended to provide recommendations for general modeling best practices and should be implemented by all stakeholders using models that perform studies that assess BPS reliability.
We have enjoyed very high reliability in our power system for many decades primarily through synchronous generation (SG). Now with more and more inverter-based resources (IBR’s) replacing the SG we are entering an area of numerous unknowns. IBR’s have been basically designed to go offline during a stressed event on the grid. We have seen numerous instances of this in the last several years. IBR’s are dynamic devices and must be modeled and analyzed with EMT type software such as PSCAD which we have been doing for some time. Now we are beginning to understand that we must add other components of the system such as protective relays on the grid to see how the entire system responds. I have read many articles stating that under stressed conditions to just remove the IBR. This is not nor certainly will not be acceptable moving forward if we want to continue to enjoy the level of reliability that we have enjoyed for many decades. We must model and analyze the system as a whole to better understand how the system responds so that we may continue to enjoy the stable reliable energy supply system. Please feel free to reach out to me to discuss this further.
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By installing sensors to perform dynamic line ratings, the utility’s transmission line capacity improved more than 25%, nearly 70% of the time. #Utility #Transmission #Energy
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By installing sensors to perform dynamic line ratings, the utility’s transmission line capacity improved more than 25%, nearly 70% of the time. #Utility #Transmission #Energy
Great River Energy Unlocks Hidden Transmission Capacity
tdworld.com
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Director- Business Development @ Planet Forward | Engineering, Project Controls, Project Management, EHS, & QA/QC
By installing sensors to perform dynamic line ratings, the utility’s transmission line capacity improved more than 25%, nearly 70% of the time. #Utility #Transmission #Energy
Great River Energy Unlocks Hidden Transmission Capacity
tdworld.com
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By installing sensors to perform dynamic line ratings, the utility’s transmission line capacity improved more than 25%, nearly 70% of the time. #Utility #Transmission #Energy
Great River Energy Unlocks Hidden Transmission Capacity
tdworld.com
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👉 Choose the MW9325, our multifunction pocket tester The MW9325 is a unique pocket tester on the market. It combines the functionalities of a complete electrical installation tester in pocket format. 💡 Powered directly from the socket and equipped with a "SUPERCAP" component, it conserves energy to view measurements after disconnection. 📊 It has been designed to perform various measurements in complete simplicity: - TRMS voltage measurement / wiring verification - Earth resistance using the loop method without tripping the RCDs - RCD - Analyse the quality of the electrical network 📈 The SEFRAM REPORT application can be used to generate test reports from data stored automatically by the device. 👉 More information? 👍 Contact us www.sefram.com/en/ #ElectricalTester #Energy #ElectricalInnovation #PointTechnology #MW9325 #PocketTester #ElectricalEnergy #Energy #ElectricalMeasurements #TechnologicalSimplicity #NetworkQuality #New #Product #Market #MadeInEurope
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Fixed capacitive series compensation (𝘟𝘤) of HV and EHV overhead transmission lines has been a very helpful mechanism for reducing a transmission line's overall inductive reactance. The benefits of applying fixed capacitive series compensation to a transmission line include improved stability margins, better load division on parallel paths, and more. This principle has been used in many countries around the world, including Great Britain, Chile, etc. To illustrate the benefit of using fixed capacitive series compensation (𝘟𝘤), I just used a𝘴𝘪𝘮𝘱𝘭𝘦 𝘴𝘪𝘯𝘨𝘭𝘦-𝘮𝘢𝘤𝘩𝘪𝘯𝘦 𝘪𝘯𝘧𝘪𝘯𝘪𝘵𝘦 𝘣𝘶𝘴 (𝘚𝘔𝘐𝘉) where the transmission lines are equipped with capacitive series compensation (40%), and I just created the very well-known power angle (𝘗-δ) using #DIgSILENT #PowerFactory 😁. To conclude this exercise, I calculated the critical fault clearing time to assess the transient rotor angle stability! National Grid double circuit 400 kV between Eccles and Stella West. Do you have any idea about the Degree of Compensation or Compensation factor (k) used in those lines? hashtag #seriescompensation #activepower #powertransfer #power #energy #powersystems #transientstability #rotoranglestability #fglongatt #fglongattLife #fglongattLab
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👉 Choose the MW9325, our multifunction pocket tester The MW9325 is a unique pocket tester on the market. It combines the functionalities of a complete electrical installation tester in pocket format. 💡 Powered directly from the socket and equipped with a "SUPERCAP" component, it conserves energy to view measurements after disconnection. 📊 It has been designed to perform various measurements in complete simplicity: - TRMS voltage measurement / wiring verification - Earth resistance using the loop method without tripping the RCDs - RCD - Analyse the quality of the electrical network 📈 The SEFRAM REPORT application can be used to generate test reports from data stored automatically by the device. 👉 More information? 👍 Contact us www.sefram.com/en/ #ElectricalTester #Energy #ElectricalInnovation #PointTechnology #MW9325 #PocketTester #ElectricalEnergy #Energy #ElectricalMeasurements #TechnologicalSimplicity #NetworkQuality #New #Product #Market #MadeInEurope
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WIDE POWER RANGE: The Matrix 500 is available in a range of power ratings, making it suitable for a wide range of applications. EFFICIENT OPERATION: The drive uses advanced technology to ensure energy efficiency, reducing energy consumption and operating costs. USER-FRIENDLY INTERFACE: The Matrix 500 has a user-friendly interface that makes it easy to set up, monitor, and control the drive. Key features include: Safe Torque Off TTL Encoder feedback Integrated DC Reactor
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