Simulation machine of thermal power generating unit and hydroelectric power generating unit and communication interface of real time digital simulator (RTDS)

Abstract

The invention discloses a simulation machine of a thermal power generating unit and a hydroelectric power generating unit and a communication interface of a real time digital simulator (RTDS) in the electric power system source network joint simulation modeling and running control technology field. The communication interface of the RTDS is used to achieve communication between power grid simulations of the simulation machine of the thermal power generating unit and the hydroelectric power generating unit and the RTDS. The communication interface of the RTDS comprises a unit detailed simulation module interface control unit and a unit non-detailed simulation module power frequency regulation control unit, wherein the unit detailed simulation module interface control unit is connected with an optical fiber communication interface card and a detailed simulation data input module, and the unit non-detailed simulation module power frequency regulation control unit is connected with an alternating current and direct current system power grid simulation module after equivalence and a unit non-detailed simulation module. The thermal power and hydroelectric power generating unit simulation machine and the communication interface of the RTDS are used in source network joint simulations and multistage dispatching closed-loop control systems, and achieve smooth connection between a simulation system of the thermal power generating unit and the hydroelectric power generating unit and an RTDS power grid simulation module.

Description

technical field [0001] The invention belongs to the technical field of power system source-network joint simulation modeling and operation control, and in particular relates to a thermal power and hydroelectric unit simulation machine and a communication interface of RTDS. Background technique [0002] In the actual power system, the electromagnetic transient process and the electromechanical transient process occur simultaneously and affect each other. Combining the two together will help to understand the dynamic characteristics of the transient stability process of large systems and the details of a specific power grid. Transient process. Therefore, the real-time interface between the electromagnetic transient calculation and the electromechanical transient calculation, and the simultaneous realization of the electromechanical transient simulation and local electromagnetic transient simulation of large-scale power systems in one simulation process have important practical...

AI Technical Summary

Problems solved by technology

[0004] Considering the AGC control process of the dynamic characteristics of the unit, there has been no experimental platform suitable for research in the laboratory. The present invention proposes a thermal power and hydroelectric unit simulation machine and RTDS ( RealTimeDigitalSimulator, real-time digital simulator) communication interface, the thermal power unit and hydroelectric unit simulation system on the server are used as the electromechanical side, and the RTDS power grid simulation module is used as the electromagnetic side, and the two are smoothly connected through the interface control module to realize the controllable step size Co-simulation; combined with the EMS scheduling control system, detailed simulation of the AGC control process considering the dynamic characteristics of the unit can be carried out

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