Coastal multi-source multi-load coordination control system and method considering sea water desalination
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A coordinated control, coastal technology, applied in the field of coastal multi-source multi-load coordinated control system, can solve problems such as deficiencies
Pending Publication Date: 2019-11-22
CHINA ELECTRIC POWER RES INST +3
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Problems solved by technology
The system and method aim at the problem of insufficient absorption capacity of renewable energy in the existing coastal areas, and use energy interconnection technology to realize the joint coordinated control of various loads including seawater desalination an
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Embodiment 1
[0062] A structural diagram of a coastal multi-source and multi-load coordinated control system considering seawater desalination provided by the present invention is shown in figure 1 shown, including:
[0063] Control centers, new energy power stations, energy storage devices, seawater desalination facilities and conventional loads;
[0064] New energy power stations, energy storage devices, seawater desalination facilities and conventional loads are respectively connected to the control center by communication, and are used to collect their own operating data and send them to the control center, and receive control signals from the control center;
[0065] New energy power stations, energy storage devices, seawater desalination facilities and conventional loads are electrically connected to the busbar, and the busbar is connected to the distribution network through tie lines;
[0066] The control center is used to formulate the optimal day-ahead plan and optimal intra-day ...
Embodiment 2
[0080] Based on the same inventive concept, the present invention also provides a coastal multi-source and multi-load coordinated control method considering seawater desalination. This method controls the control system as shown in Embodiment 1.
[0081] The method flow is as follows image 3 shown, including:
[0082] Step 1: According to the data required for formulating the plan ahead, predict the output of the new energy power station, the load power of the conventional load and the demand for desalinated water the next day;
[0083] Step 2: Input the next day's new energy power station output, conventional load power and desalinated water demand into the pre-established coordination optimization model to obtain the optimal day-ahead plan;
[0084] Step 3: When the next day arrives, based on the optimal day-ahead plan, formulate the optimal intra-day plan and control the energy storage device and seawater desalination facility to implement the optimal intra-day plan, and...
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Abstract
The invention provides a coastal multi-source multi-load coordination control system and method considering sea water desalination. The coastal multi-source multi-load coordination control system comprises a control center, a new energy power station, an energy storage device, sea water desalination facilities and conventional loads. The control center is used for formulating an optimal day-aheadplan and an optimal intra-day plan, and controlling the new energy storage device and the seawater desalination facilities to be executed so as to carry out coordination control according to acquiredoperation data and meteorological data. Thus, the optimized regulation and control path of the multi-source multi-load seawater desalination process can be accurately provided, the characteristics ofthe energy storage technology are fully utilized, the coastal controllable load and energy storage are adjusted by taking energy storage adjustment as a main principle and controllable load adjustmentas an auxiliary principle so as to track a renewable energy power generation curve, and the consumption requirement of renewable energy in coastal regions is met.
Description
technical field [0001] The invention belongs to the technical field of power system control, and in particular relates to a coastal multi-source and multi-load coordinated control system and method considering seawater desalination. Background technique [0002] At present, the global population is increasing rapidly, and society is developing at a high speed, resulting in an increasing shortage of fresh water resources around the world. Seawater desalination, as a solution that can effectively cope with the shortage of freshwater resources, requires large-scale development, and the demand for seawater desalination technology is even more urgent in coastal water-scarce areas. At the same time, coastal areas are rich in distributed renewable energy such as wind energy and solar energy for development. Traditional primary energy sources such as coal and oil are non-renewable and will be exhausted. As the energy crisis and environmental pollution become more and more serious,...
Claims
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