Thermal power generating unit two-way simulation system based on model inverse operation

The invention discloses a thermal power generating unit bidirectional simulation system based on model inverse operation. The system comprises a model built by a forward calculation algorithm module,a model built by a reverse calculation algorithm module and a reverse algorithm model intermediate parameter optimization module. A method for operating the system further comprises the following steps: S1, judging a forward calculation mode or a reverse calculation mode of a simulation system for a current environment according to the forward calculation module or the reverse calculation module.In the system disclosed in the present invention, an inverse operation module is added; the reverse algorithm module inputs data and outputs data; inverse operation is performed to obtain a required intermediate state input value; compared with an actual intermediate state input value in a forward calculation mode, the actual value is corrected to the required value through the reverse model intermediate parameter optimiza