Method for Determination of Power Feasible Region of Tie Line Based on Multi-parameter Programming Theory
A tie-line power and determination method technology, applied in the field of determining the feasible domain of tie-line power based on multi-parameter programming theory, can solve problems such as equivalent model errors
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Embodiment 1
[0116] see figure 1 , a method for determining the feasible region of tie line power based on multi-parameter programming theory, mainly includes the following steps:
[0117] 1) Obtain the basic parameters of the power network under the AC tie line and the basic parameters of the power network under the DC tie line.
[0118] The basic parameters of the power network mainly include the component parameters in the original network, the topology of the original network and the calculation results of the power flow at the near time.
[0119] The component parameters in the original network mainly include the ground admittance of all nodes, the connected load power of all nodes, the impedance of all lines, the susceptance of all lines to ground, the constraints of line transmission power, the transformer impedance, and the ground conductance of transformers. Na, transformer ratio, transformer transmission power constraints, generator output size, generator output constraints.
...
Embodiment 2
[0209] 1) Establish a test system
[0210] Taking the IEEE 118 node test system as an example, the system is divided into external network, border node and internal network:
[0211] External nodes: node 80 , node 83 and node 85 to node 112 .
[0212] Boundary nodes: node 81 , node 82 and node 84 .
[0213] Internal nodes: node 1 to node 79, node 113 to node 118.
[0214] Among them, the IEEE 118 node test system has three tie lines: branch 81-68, branch 82-77 and branch 84-74. The rest of the parameter settings in the test system are detailed in Table 1-Table 4.
[0215] Table 1 Parameter settings in the test system
[0216]
[0217] Table 2 Test system parameter settings
[0218]
[0219] Table 3 Test system parameter settings
[0220]
[0221] Table 4 Test system parameter settings
[0222]
[0223] 2) Different comparison models
[0224] In order to verify the equivalent model proposed by the present invention considering the operation constraints of th...
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