ASEA Rz
Rz was an electric locomotive built by ASEA to test out asynchronous motors. It was built in 1982 and closely related to the Rc-series. It was test run until 1989 on Siljansbanan, but there was never any mass production of it.
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Later developments
After ASEA merged with Brown, Boveri & Cie to form Asea Brown Boveri in 1988 the development of asynchronous motors was moved to Switzerland. The Rz-technology was utilized for the development of the X2-train and the Rc5}-locomotive.
Disposal
In 1992 the engine was donated to the Swedish Railway Museum, but they were not particularly interested in it and in 1999 it was moved to Örebro to become a parts locomotive.
gollark: Software was probably about the same perceptible speed.
gollark: Maybe it is just a rebranded calculator of a mildly different model. Maybe it was a secret prototype stolen from the factory which ended up in your hands through an unlikely series of coincidences. Maybe the documentation was deleted by accident. Maybe it's fake.
gollark: Why specifically 2009?
gollark: How do you know it does?
gollark: Zstandard is a real-time compression algorithm, providing high compression ratios. It offers a very wide range of compression / speed trade-off, while being backed by a very fast decoder (see benchmarks below). It also offers a special mode for small data, called dictionary compression, and can create dictionaries from any sample set. Zstandard library is provided as open source software using a BSD license.
References
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