... structure 2. low losses 3.low noise and superior performance Welcome to Singo Tech where you can find independent information, reviews, ... , Siemens, Alstom, ABB, and many other advanced technologies, and to improve the level of product technology, improve product reliability and ... 3.3 full vacuum oiling process.110kV-35kV performance parameters, see Appendix: load loss is a standard benchmark, the no- ...