Locomotive auxiliary system power supply circuit and power supply control method
An auxiliary system and power supply circuit technology, which is applied in power lines, circuit devices, AC network circuits, etc., can solve the problems of frequent starting and stopping of auxiliary systems in non-electric areas, impact of contactor life, and high requirements for signal judgment accuracy in non-electric areas. Achieve the effect of ensuring continuous power and continuous work, saving power, and avoiding high requirements for judgment accuracy
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[0061] The technical solutions in the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.
[0062] like figure 2 As shown, a power supply circuit for a locomotive auxiliary system provided in this embodiment includes a first auxiliary inverter, an energy storage power supply 3, a first contactor K1, a second contactor K2, a third rail 1 and an catenary 2 ; The first end of the first contactor K1 is respectively connected to the third rail 1 and the catenary 2, and the second end of the first contactor K1 is connected to the input end of the first auxiliar...
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