机车微机励磁控制失效时主发电机励磁电流变级控制电路

• Format: Patent
• Language: Chinese
• Published: 12.10.2018
• Subjects: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; PERFORMING OPERATIONS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TRANSPORTING; VEHICLES IN GENERAL

本发明公开了种机车微机励磁控制失效时主发电机励磁电流变级控制电路，包括机车微机、机车电源系统、司机控制器、牵引控制电路、主发电机微机励磁回路和主发电机故障励磁回路，司机控制器设置牵引档位1～8，接触器1～4接入牵引控制电路，机车故障励磁电阻R1～R4电阻接入主发电机故障励磁回路，接触器1的常开触点K1、接触器4的常闭触点L4和机车故障励磁电阻R1依次串联后接机车电源系统，接触器2的常开触点K2、接触器3的常开触点K3、接触器4的常开触点K4分别对应与机车故障励磁电阻R2、R3、R4串联后接入机车电源系统，使机车主发电机在故障励磁工况下的输出功率可以调整，使机车轮轴牵引功率最大化，机车的牵引能力有很大提高。 The invention discloses a main generator excitation current variable-level control circuit adopted when locomotive microcomputer excitation control fails. The control circuit comprises a locomotive microcomputer, a locomotive power system, a driver controller, a traction control circuit, a main generator microcomputer excitation loop and a main generator fault excitation loop. The driver controller is provided with a first traction gear, a second traction gear, a third traction gear, a fourth traction gear, a fifth traction gear, a sixth traction gear, a seventh traction gear and an eighth traction gear. A first contactor, a second contactor, a third contactor and a fourth contactor are connected to the trac