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Interoperability of Inverter-Based Resources
IEEE Standard for Interconnection and Interoperability of Inverter-Based Resources (IBRs) Interconnecting with Associated Transmission Electric Power Systems
Abstract: Uniform technical minimum requirements for the interconnection, capability, and lifetime performance of inverter-based resources interconnecting with transmission and sub-transmission systems are established in this standard. Included in this standard are performance requirements for reliable integration of inverter-based resources into the bulk power system, including, but not limited to, voltage and frequency ride-through, active power control, reactive power control, dynamic active power support under abnormal frequency conditions, dynamic voltage support under abnormal voltage conditions, power quality, negative sequence current injection, and system protection. This standard also applies to isolated inverter-based resources that are interconnected to an ac transmission system via dedicated voltage source converter high-voltage direct current (VSC-HVDC) transmission facilities; in these cases, the standard applies to the combination of the isolated IBRs and the VSC-HVDC facility, and not to an isolated inverter-based resource (IBR) on its own.
Scope: This standard establishes the required interconnection capability and performance criteria for inverter-based resources interconnected with transmission and sub-transmission systems.10, 11, 12 Included in this standard are performance requirements for reliable integration of inverter-based resources into the bulk power system, including, but not limited to: voltage and frequency ride-through, active power control, reactive power control, dynamic active power support under abnormal frequency conditions, dynamic voltage support under abnormal voltage conditions, power quality, negative sequence current injection, and system protection. This standard shall also be applied to isolated inverter-based resources that are interconnected to an ac transmission system via a dedicated voltage source converter high-voltage direct current (VSC-HVDC) transmission facility; in these cases, the standard shall apply to the combination of the isolated IBR and the VSC-HVDC facility and shall not apply to the isolated IBR unless they serve as a supplemental IBR device that is necessary for the IBR plant with VSC-HVDC to meet the requirements of this standard at the reference point of applicability.
Purpose: This standard provides uniform technical minimum requirements for the interconnection, capability, and performance of inverter-based resources interconnecting with transmission and sub-transmission systems.
Badminton
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“Godspell” Easter
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Readings: The “Donor Class” in Higher Education
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Kerala Agricultural University: Chocolate
Readings
How to Make the Best Hot Chocolate, According to the Experts
Hersheyland: Hot Cocoa for One
Ancient Money Systems:
- Barter system: The oldest form of money system, where goods and services were exchanged directly for other goods and services without the use of money.
- Cowrie shells: Cowrie shells were used as currency in many parts of the world, including Africa, Asia, and the Pacific Islands. The shells were valued for their beauty, durability, and rarity.
- Commodity money: This system involved the use of valuable commodities, such as salt, spices, and precious metals (such as gold), as a medium of exchange. The value of the commodity was determined by its scarcity and desirability.
- Grain-based systems: In ancient civilizations such as Egypt and Mesopotamia, grain was often used as a form of currency. Farmers would pay their taxes in grain, and grain would be used to pay wages to workers.
- Coinage: The use of coins as a medium of exchange emerged in ancient Greece and spread throughout the Roman Empire. Coins were typically made of precious metals, such as gold and silver, and their value was determined by their weight and purity.
Section 117 of the Higher Education Act of 1965
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§ 1011f. Disclosures of foreign gifts
In order to create greater transparency & accountability about funding from China in Higher Education institutions the British 🇬🇧 and German 🇩🇪 government should enact legislation which emulates Section 117 of the US 🇺🇸 Higher Education Act of 1965 @AFI_WG https://t.co/I1zRNXo3QH pic.twitter.com/KZM4JoAiHQ
— Andreas Fulda 🇺🇦 🇹🇼 (@AMFChina) November 28, 2021
AGB Comment Letter to the Department of Education on Section 117 of the Higher Education Act
Posted on behalf of Educational Compliance Management Inc. as posted by the Department of Education: Reminder – Reporting Deadline for Section 117 of the Higher Education Act of 1965#highereducation #highereducation #education #c…https://t.co/LblxRuUPQG https://t.co/6nKLHC5XML
— Education Compliance Management (@ECMFinAid) July 11, 2022
Family
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New update alert! The 2022 update to the Trademark Assignment Dataset is now available online. Find 1.29 million trademark assignments, involving 2.28 million unique trademark properties issued by the USPTO between March 1952 and January 2023: https://t.co/njrDAbSpwB pic.twitter.com/GkAXrHoQ9T
— USPTO (@uspto) July 13, 2023
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