交直流混合励磁轨道涡流制动器

• Format: Patent
• Language: Chinese
• Published: 30.01.2018
• Subjects: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRICITY; 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; GENERATION; 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

交直流混合励磁轨道涡流制动器，涉及电机领域。本发明是为了解决目前直流励磁轨道涡流制动技术存在列车制动时，钢轨上的涡流产生大量的热，使钢轨的温度上升，因此其电导率和磁导率等参数都将发生变化，同时降低钢轨的寿命，另外，轨道涡流制动需要外加大容量励磁电源，制动时需要消耗电能，存在断电及电能不足时制动失效的危险，且低速时，制动力小，适用列车速度范围窄的问题。本发明所述励磁控制逆变器的交流输出端连接交流励磁涡流制动单元的控制绕组，励磁电容器组并在交流励磁涡流制动单元功率绕组输出端上，功率绕组输出端连多相整流器交流输入端，直流励磁涡流制动单元励磁绕组的两端接在多相整流器输出端上。它可用于高速列车的制动中。 The invention discloses an AC/DC hybrid excitation rail eddy-current brake, relates to the field of motors and aims to solve the problems that the temperature of steel rails is increased, parameters such as the electric conductivity, magnetic inductivity and the like change and the service life of the steel rails is shortened due to large amount of heat generated by eddy current on the steel rails during train braking of the conventional DC excitation rail eddy-current braking technology, a high-capacity excitation source is needed to be added for rail eddy-current braking, electric energy is consumed during braking, danger of braking failure exists in case of power failure or insufficient electric power, the brak