The Switch solid-rotor technology extends the speed capabilities of standard induction electric motors, filling the existing gap for applications running below multi-megawatt powers. Typically, standard 2-pole induction motors reach speeds of 3,000–3,600 rpm and with a variable frequency drive (VFD), can reach speeds up to 4,500 rpm. In high-speed applications, a high-speed gearbox together with…
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Testing verifies safety of permanent magnet shaft generators
Jussi Puranen Safety is one of the biggest worries for shipowners and operators unfamiliar with PM technology. They want to know they’re protected from fault currents even when the magnetic field cannot be switched off. We at Yaskawa Environmental Energy / The Switch take all kinds of safety issues very seriously and have thoroughly examined…
New product to be revealed at Electric & Hybrid Marine World Expo 2022
We will be taking part in the exhibition, dedicated solely to showcasing the very latest and next-generation electric and hybrid marine charging and propulsion technologies, components and solutions. We will also be unveiling our newest solution to help vessels achieve a smooth ride through the waves – stay tuned for more to come! Electric &…
‘Permanent magnet’ makes propulsion technology different
– An interview with Mr. Jonas Nyberg, Managing Director West, Berg Propulsion, and Dr. Jussi Puranen, Head of Product Line, Electric Machines, Yaskawa Environmental Energy / The Switch. English translation of the full published text. For the original Chinese version, see here. By Zhao Bo, Journalist with China Ship Survey Although permanent magnet (PM) machines…