Power transmission line and energy storage combined planning method and device
A transmission line and planning technology, applied in electrical digital data processing, complex mathematical operations, forecasting, etc., can solve difficult power system operation reliability, economy and flexibility, does not consider the start and stop status of units, and cannot truly reflect Unit operation, etc.
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no. 1 example
[0035] Such as figure 1 As shown, the first embodiment provides a joint planning method for transmission lines and energy storage, including steps S1-S2:
[0036] S1. Establish a two-tier programming model; the upper layer of the two-tier programming model is the joint planning layer, and the lower layer is the simulation operation layer; the joint planning layer uses the minimization of investment cost and system operation cost as the objective function, combined with the units and storage units transmitted by the simulation operation layer Combined planning of transmission lines and energy storage based on the operating state of energy, to obtain the planning results, the simulation operation layer takes the minimum system operating cost as the objective function, simulates the operation planning results, and updates the operating status of the unit and energy storage;
[0037] S2. Input the acquired actual investment cost and actual system operating cost into the joint plan...
no. 2 example
[0148] Such as Figure 7 As shown, the second embodiment provides a joint planning device for transmission lines and energy storage, including: a two-level programming model establishment module 21, which is used to establish a two-level planning model; the upper layer of the two-level programming model is the joint planning layer, and the lower layer is The simulation operation layer; the joint planning layer takes the minimization of investment cost and system operation cost as the objective function, combined with the operation status of the unit and energy storage transmitted by the simulation operation layer to carry out joint planning of transmission lines and energy storage, and obtains the planning results. Minimize the system operating cost as the objective function, simulate the operation planning results, and update the operating status of the unit and energy storage; the optimal planning result acquisition module 22 is used to input the obtained actual investment co...
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