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Publication of BE710063ApublicationCriticalpatent/BE710063A/xx
B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
B66C13/00—Other constructional features or details
B66C13/18—Control systems or devices
B66C13/22—Control systems or devices for electric drives
B66C13/30—Circuits for braking, traversing, or slewing motors
H—ELECTRICITY
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
H02P5/74—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more AC dynamo-electric motors
H—ELECTRICITY
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
H02P5/74—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more AC dynamo-electric motors
H02P5/747—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more AC dynamo-electric motors mechanically coupled by gearing
B—PERFORMING OPERATIONS; TRANSPORTING
B66—HOISTING; LIFTING; HAULING
B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
B66C2700/00—Cranes
B66C2700/08—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists
B66C2700/082—Control of the secondary movements, e.g. travelling, slewing, luffing of the jib, changing of the range