Frequent changes in the distribution model and data quality problems will cause greater interference to the real-time monitoring applications of the distribution management system(DMS)

and the new construction mode of DMS puts forward higher performance requirements for multi-user concurrent maintenance. A management scheme of future-state distribution network model based on the polymorphism mechanism is proposed. The work

such as model maintenance based on the model change order

graph model access and verification of IEC 61970/61968 standard

model version management combining the whole model and incremental model

and automatic debug

is carried out under the independent environment. The appropriate decoupling is kept from the online operating environment

and the efficiency problem of multi-user concurrent maintenance is solved. Two actual application cases of DMS and the provincial centralized distribution monitoring system are presented. The practice results show that the proposed management scheme can meet the requirements of multi-source

multi-user and off-line automatic debugging of distribution model management.