🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsРусскийالعربيةفارسیहिन्दी한국어中文日本語EntityQ1110301· pop 25· linked from 37 articlesY-Δ transformAlso known as wye-deltamathematical technique to simplify the analysis of an electrical networkAvailable in 24 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةहिन्दीConnectionsInternational Standard Book NumberEntitysubtractionEntityCategoriesCircuit theoremsElectrical circuitsElectric powerGraph operationsThree-phase AC power