Dynamic simulation apparatus for generator prime system

Abstract

The invention discloses a dynamic emulating device of a motor prime system, which comprises a main loop, an operative loop and a control circuit, wherein the main loop comprises a three-phase controllable rectifier providing electricity for a DC motor, and a switch for switching on or off a controllable rectifier; the operative loop drives the switch on the main loop and is simultaneously and electrically connected with the control circuit; the control circuit comprises a microprocessor, a signal acquiring circuit, a triggering circuit used for providing triggering pulses for each thyristor of the three-phase controllable rectifier, and a relay protecting and switch signal outputting circuit connected with the operative loop; the signal acquiring circuit, the triggering circuit and the relay protecting and switch signal outputting circuit are connected with the microprocessor; and the signal acquiring circuit comprises an armature current acquiring circuit, an armature voltage acquiring circuit, an excitation current acquiring circuit, a synchronous signal generating circuit and a speed measuring pulse acquiring circuit. The dynamic emulating device of a motor prime system has strong data processing function and high simulating accuracy of the motor prime system.

Description

technical field [0001] The patent of the invention belongs to the field of power electronics technology and computer control, and relates to a dynamic simulation device for a prime mover system of a generator. Background technique [0002] Generator prime mover system simulation model is one of the important equipment for power system dynamic simulation. It is mainly used in scientific research of power system in scientific research institutes and power automation equipment manufacturers, research and development of new power technology and equipment, and power product inspection and measurement. As well as scientific research and experimental teaching in colleges and universities. [0003] At present, most of the simulation devices used at home and abroad are analog control or digital / analog control, which have the disadvantages of large number of control system components and complex structure, easy aging of electronic components, easy to be affected by ambient temperature...

AI Technical Summary

Problems solved by technology

[0003] At present, most of the simulation devices used at home and abroad are analog control or digital / analog control, which have the disadvantages of large number of control system components and complex structure, easy aging of electronic components, easy to be affected by ambient temperature, poor anti-interference ability and low degree of automation. ,

The comprehensive communication function with the PC and the functions of remote measurement and remote control have not been realized. The determination of PI parameters adopts traditional methods. The system debugging and maintenance are complicated, which cannot meet the requirements of researchers for the motor simulation device. The dynamic simulation overview of domestic and foreign power systems can be found in the table. 1

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