Abstract: In order to improve the substation dispatching and the adaptive control ability，an optimization

method for consistency test of substation dispatching center single line diagram modulus diagram based on the

analysis of equivalent inertia characteristics was proposed. The power control parameters of the substation

dispatching center single line diagram were analyzed. By using the parameter identification method of system

identification model，combining the model decomposition and the information of substation dispatching center single line diagram，the discrete estimated value of the consistency of the substation dispatching centeringle line diagram was analyzed. Taking the inertia and load of equivalent units as test parameters，the control law for consistency test of the single line graph modulus graph was designed. Through the power increment analysis method，the equivalent circuit optimization design and dynamic response of the substation dispatching center single line diagram model were controlled，and the consistency test model of the single line diagram module diagram was optimized. The experimental results show that the optimization method has high precision and good adaptive control ability，which is beneficial to the unified dispatching of substations and has good capability of suppressing large disturbance.

      Key words: substation；dispatching center；model of the single line pattern；consistency of figures；disturbance suppression