IEEE

Modeling and Analysis of State Differential Equations of Grid-Forming DFIG System Considering Taylor Expansion’s Second-Order Nonlinear Terms Based on Normal Form Theory

Abstract: This paper takes the two-machine and two-zone doubly-fed induction generator system as the research object. And each machine adopts the voltage and current double loop virtual synchronous ...

Gemini in Google Sheets is now a formula-writing genius that explains its own work

For many of us, writing complex spreadsheet formulas can feel like learning a new language. It can be an intimidating and ...
IEEE

New Active Capacitor Voltage Balancing Method for Flying Capacitor Multicell Converter Based on Logic-Form-Equations

Abstract: This paper presents a new active capacitor voltage balancing control method for the flying capacitor multicell (FCM) converters which is fully implemented using logic-form equations. The ...
Archaeology

The World's Oldest Writing

SCRIBE STATUE. FOUND: Lagash, Iraq. CULTURE: Sumerian. DATE: ca. 2400 B.C. LANGUAGE: Sumerian. In early 2016, hundreds of media outlets around the world reported that a set of recently deciphered ...
XCOM 2 Game Guide

Stuck on “Math that introduces letters as variables” in Cokie Jam? We have the answer

Each week, Cookie Jam gives us a mix of easy and tricky Buzzwords. “Math that introduces letters as variables” is definitely one of the tougher ones, so here’s a little help. Algebra is a branch of ...