Control method for unifying self-balancing and self-smoothing of micro-grid
A control method and micro-grid technology, applied in adaptive control, power network operating system integration, general control system, etc., can solve problems such as control incoordination, regional distribution network shock, regional distribution network shock, etc., to reduce Disturbance effect, stable power output, effect of reducing adjustment force
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Embodiment 1
[0121] In order to make the technical solution of the present invention clearer, the structure diagram of a microgrid system including wind, wind and gas storage in the embodiment provided by the present invention is as follows Figure 4 As shown, microgrid A mainly includes wind power generation, photovoltaic power generation, lithium battery packs, micro gas turbines, primary loads, secondary loads, tertiary loads, and reactive power compensation devices. Taking the microgrid A connected to the regional distribution network B as an example, the present invention will be further described in detail in combination with the accompanying drawings and the specific implementation process.
[0122] First, the energy management system of microgrid A makes short-term forecasts based on historical load data and real-time measurement data, and formulates the local load demand forecast curve P L (t); According to weather information, combined with the characteristics of wind power and p...
Embodiment 2
[0127] The invention has high applicability and can be changed and adjusted more flexibly. In order to make the technical solution of the present invention more flexible, the above-mentioned microgrid A and regional distribution network B are still taken as examples below to illustrate the embodiments:
[0128] First, the energy management system of microgrid A makes short-term forecasts based on historical load data and real-time measurement data, and formulates the local load demand forecast curve P L (t); According to weather information, combined with the characteristics of wind power and photovoltaic power generation, make short-term forecasts for wind power and photovoltaic power generation; formulate micro gas turbine power generation plan and lithium battery pack charging and discharging plan according to market time-of-use electricity price and power generation cost; finally form a micro grid Planned self-balance degree boundary curve k low (t)-k high (t) and self-s...
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