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US3584278A
(en)
|
|
Driving means for cranes and the like
|
|
US3509439A
(en)
|
|
Exciter arrangement for synchronous motors
|
|
US3546550A
(en)
|
|
Control circuit for braking speed control of induction motor
|
|
SE183810C1
(enrdf_load_stackoverflow)
|
|
|
|
US2448256A
(en)
|
|
Electronic motor control for printing presses and the like
|
|
GB1036832A
(en)
|
|
Electric control systems for wound rotor type induction machines
|
|
US3148320A
(en)
|
|
Synchronous induction motor speed control
|
|
US1390624A
(en)
|
|
System of electrical ship propulsion
|
|
US2287603A
(en)
|
|
Frequency changer set
|
|
US1967107A
(en)
|
|
Speed control of induction motors
|
|
US786415A
(en)
|
|
Alternating-current power-transmitting apparatus.
|
|
US2084177A
(en)
|
|
Electric power system
|
|
US2137989A
(en)
|
|
Adjustable speed control
|
|
US1048985A
(en)
|
|
System of electrical distribution.
|
|
US1628409A
(en)
|
|
Control system for electric motors
|
|
DE2438230A1
(de)
|
|
Kommutatorloser drehzahlstellbarer antrieb
|
|
US620988A
(en)
|
|
Self-starting alternating-current motor |
|
US2079455A
(en)
|
|
Rolling mill
|
|
US2018287A
(en)
|
|
Variable speed three-phase motor with variable torque
|
|
US3066250A
(en)
|
|
Adjustable speed electric motor
|
|
US1861454A
(en)
|
|
Ship propulsion system
|
|
US726935A
(en)
|
|
Regulation of alternating circuits.
|
|
US2295336A
(en)
|
|
Control system for induction motors
|
|
SU72911A1
(ru)
|
|
Сварочный преобразователь тока
|
|
US620987A
(en)
|
|
Frequency-changer |