Energy scheduling method, device and system
An energy scheduling and energy storage technology, applied in circuit devices, energy storage, AC network circuits, etc., can solve problems such as system energy scheduling dependence, affecting normal energy scheduling, and system abnormalities, so as to prevent system power scheduling from being unstable or even appearing abnormal effect
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Embodiment 1
[0059] This embodiment provides an energy scheduling method, which can be applied to a system integrating power generation, power storage and power consumption of new energy sources such as photovoltaics and wind power. The method is executed by the control main board, which is electrically connected with the grid-side converter unit and the energy storage converter unit. The grid-side converter unit is connected between the grid and the busbar to realize the grid-side converter; the energy storage converter unit is connected between the energy storage device and the busbar to realize the converter of the energy storage.
[0060] figure 2 is a flow chart of the energy scheduling method provided by Embodiment 1 of the present invention, such as figure 2 As shown, the method includes the following steps:
[0061] S201. Determine the power failure situation of the power grid and the enabling situation of the power generation equipment.
[0062] S202. Control the grid-side co...
Embodiment 2
[0087] This embodiment provides a specific implementation manner of energy scheduling on the basis of the first embodiment above. Explanations of terms that are the same as or corresponding to those in the foregoing embodiments will not be repeated in this embodiment. The above energy scheduling method will be described below in combination with a specific embodiment. However, it should be noted that the specific embodiment is only for better illustrating the present application, and does not constitute an improper limitation to the present application.
[0088] In this embodiment, an optical storage centrifuge system is taken as an example for illustration.
[0089] Such as image 3 As shown, the optical storage centrifuge system of this embodiment includes: photovoltaic 10, energy storage battery 20, energy storage DC / DC 21, power grid 31, rectifier power module 31, inverter power module 32, centrifuge motor 50, and other DC loads 60 and DSP (Digital Signal Processing, dig...
Embodiment 3
[0119] Based on the same inventive concept, this embodiment provides an energy scheduling device, which can be used to implement the energy scheduling method described in the above embodiments. The device can be realized by software and / or hardware. The device is applied to the control main board, and the control main board is electrically connected with the grid-side converter unit and the energy storage converter unit.
[0120] Figure 8 is a structural block diagram of the energy scheduling device provided in Embodiment 3 of the present invention, as shown in Figure 8 As shown, the device includes:
[0121] A determining module 81, configured to determine the grid power failure and the enabling status of the power generation equipment;
[0122] The first control module 82 is configured to control the grid-side converter unit or the energy storage converter unit to stabilize the bus voltage according to the power failure of the power grid and the enabling status of the p...
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