Numberphile revived an ancient multiplication trick—halves and doubles—also called Egyptian or Russian math, where you repeatedly halve one number and double the other. After crossing out rows with ...

Abstract: Virtual synchronous generator (VSG) control is widely applied in grid-interactive inverters due to its similarity to synchronous generators. The VSG frequency variation is delayed by the ...

Abstract: This paper proposes a double-end grid-forming control strategy rooted in matching control for the system of PV integrated into VSC-HVDC. The proposed approach distinguishes itself from ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

So many productivity methods ask you to prioritize your daily tasks by considering how much time or effort they'll require, then tackling the resource-heavy ones first. For some people, that's a solid ...

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. The market approach is a method for determining the value of an ...