Invention Grant
- Patent Title: Frequency changer with a plurality of transformers and a synchronously rotating means
- Patent Title (中): 变频器具有多个变压器和同步旋转装置
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Application No.: US45774865Application Date: 1965-05-21
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Publication No.: US3359482APublication Date: 1967-12-19
- Inventor: JARLE SLETBAK , GUNNAR NILLSON , LARS-GORAN VIRSBERG
- Applicant: ASEA AB
- Assignee: Asea Ab
- Current Assignee: Asea Ab
- Priority: SE678164 1964-06-04
- Main IPC: G01R31/34
- IPC: G01R31/34 ; H02M5/00 ; H02M5/32
Information query
