泰永长征：公司固态变压器目前处于应用方案论证与市场调研阶段

Core Viewpoint - The company is currently in the application scheme verification and market research phase for its solid-state transformer, while the phase-shifting transformer is in the prototype development stage [1] Group 1: Product Development - The company has a complete series of solid-state circuit breaker products, having independently developed a solid-state circuit breaker with a maximum current of 2500A [1] - The solid-state circuit breaker has seen limited application in demonstration projects within rail transportation, shipping, and military industries [1]