Power Grid in China integration running trend makes EMS(Energy Management System) at all levels of information exchange between the increasingly urgent demand. And CIM is the most important base information. In order to solve the model information differences between different EMS, this paper analyzes the current EMS model information related to the standardization of applications, from standard CIM model, the model file formats and file content model three aspects, based on interoperable standards IEC61970 process-oriented information model calibration and validation process for each part of the key technologies are discussed in detail. Through the practical application of the method validation results show that the calibration method is reasonable and correct.

There are two classic strategy for AC motor control, they are vector control and direct torque control. In this paper, a new closed-loop control method based on vector control is proposed. We first introduce the basic formula of the J-M transform strategy. Secondly, the control block diagram of closed loop control based on J-M transform is analyzed in detail. Finally, the results of simulation are carried out. The simulation results show that the method of closed loop control based on J-M transform strategy can control AC motor effectively.

In order to validate differences of the graphical information between power manage systems, this paper based on the current systems in the graphical aspects of the application, analyzes the interoperability based on IEC61970 standard graphical information, and on this basis proposed electricity system graphical calibration methods and method validation for each part of the key technologies are discussed in detail. Finally, through the practical application of technology validation results demonstrate the reasonableness and verify the correctness of the method to solve the system interaction process graphics file interoperability standards compliance issues.