Mobile power station and its control method and control system
A mobile power station and control method technology, applied in the field of mobile power stations, can solve problems such as easy trigger protection, different phases of AC voltage, damaged devices, etc., and achieve the effect of solving different phases of AC voltage
Active Publication Date: 2021-02-23
BYD CO LTD
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Problems solved by technology
[0006] Therefore, the first purpose of the present invention is to propose a control method for a mobile power station, which can realize the grid-connected discharge of multiple electric vehicles, thereby solving the problem caused by the different phases of the inverter AC voltage when different electric vehicles are discharged. When different electric vehicles are connected to the grid and discharged, it is easy to trigger protection, damage devices or cause safety accidents and other problems
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[0032] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0033] The following describes the mobile power station and its control method and control system according to the embodiments of the present invention with reference to the accompanying drawings.
[0034] figure 1 is a flowchart of a control method of a mobile power station according to an embodiment of the present invention. In the embodiment of the present invention, such as Figure 5 As shown, the mobile power station includes on-board chargers for multiple electric vehicles.
[0035] Such as figure 1 As shown, the contro...
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The invention relates to the technical field of mobile power stations, and discloses a mobile power station and its control method and control device. The mobile power station includes a plurality of on-board chargers for electric vehicles. The control method includes the following steps: by controlling a plurality of electric vehicles The on-board charger of any one of the electric vehicles performs inversion work, so that the power battery of the electric vehicle is discharged externally through the on-board charger of the electric vehicle to form a power grid; detect whether the power grid has an output AC voltage; when the power grid is detected When there is an output AC voltage, control the on-board chargers of the remaining electric vehicles among the multiple electric vehicles to perform inverter work, so that the power batteries of the remaining electric vehicles can be discharged through the corresponding on-board chargers, thereby solving the problem of different electric vehicles. The AC voltage phase of the inverter is different during discharge, which causes problems such as triggering protection, damaging devices or causing safety accidents when different electric vehicles are connected to the grid and discharged.
Description
technical field [0001] The invention relates to the technical field of mobile power stations, in particular to a control method for a mobile power station, a control system for a mobile power station and a mobile power station. Background technique [0002] With the progress of commercialization of electric vehicles, the on-board charging system of electric vehicles has become one of the important components of electric vehicles. Bidirectional energy flow charging equipment can make electric vehicles a kind of mobile power station. [0003] The current mobile power stations, that is, hybrid electric vehicles or pure electric vehicles, can be equipped with two-way energy flow charging and discharging equipment inside. The energy flow vehicle discharge device discharges externally. [0004] However, the discharge power of the above method is limited by the vehicle-mounted two-way energy flow charging and discharging device, which can only satisfy some electrical appliances, a...
Claims
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IPC IPC(8): H02J7/00H02J3/38
CPCH02J3/381H02J2207/20
Inventor 王超王兴辉
Owner BYD CO LTD