Multi-rate Simulation Based on Explicit-implicit Hybrid Integration

doi:10.16182/j.issn1004731x.joss.201708002

Abstract

Abstract: A multi-rate simulation method based on explicit-implicit hybrid integration algorithm for the grid-connected photovoltaic system which included power electronic devices with a variety of switching frequency was put forward. Inductances and capacitances were used to divide the grid-connected photovoltaic system into subsystems. A multi-rate interface was put forward to satisfy the request of real time. The stability criterion of the multi-rate simulation algorithm was put forward. FPGA was used as a platform to build the digital grid-connected photovoltaic system. The hardware in loop test for DC/DC and DC/AC converter controllers was conducted on this platform to verify the accuracy of the proposed multi-rate simulation method.

Key words: grid-connected photovoltaic system, real-time simulation, multi-rate simulation, explicit-implicit hybrid integration

CLC Number:

TM743

Zhang Bingda, Chen Ming, Wang Xiao, Wang Lanyu. Multi-rate Simulation Based on Explicit-implicit Hybrid Integration[J]. Journal of System Simulation, 2017, 29(8): 1641-1646.

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