MOTOR DRIVE CIRCUIT FOR LORRY

• Main Authors: KATO SONOO, ADACHI YOSHITAKA, YAMAMOTO JIRO, SAKAI TADASHI
• Format: Patent
• Language: English
• Published: 18.03.2004
• Edition: 7
• Subjects: CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRICITY; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; GENERATION; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL

PROBLEM TO BE SOLVED: To surely brake a motor with at emergency times. SOLUTION: If an emergency switch SW3 is turned off (opened), a relay X6 is brought into non-excited state, which opens a normally open contact X6a and closes a normally closed contact X6b. Thus, a motor M is disconnected from a p...