NDLI: Real-Time Digital Simulation of Power Electronic Apparatus Interfaced with Digital Controllers

Content Provider	IEEE Xplore Digital Library
Author	Dinavahi, V. R. Iravani, M. R. Bonert, R.
Copyright Year	1981
Abstract	This paper presents a new approach for the real-time digital simulation of power electronic controllers in power systems. Digital controllers for power electronic systems present a problem when testing in real-time using a digital simulator due to the discrete nature of their outputs, which are not necessarily in synchronism with the time step of the simulator. The proposed algorithm combines the variable step-size numerical integration method with linear interpolation for the synchronization of a real-time digital simulator and a digital controller. It is shown that lack of such synchronization leads to inaccurate simulation results, specifically with regard to the fundamental and harmonics of the voltage and current signals. Sampling theory is used to model the interaction between a digital simulator and a digital controller. A pulse width modulated (PWM) voltage source converter (VSC) based reactive power compensator system is used as an illustrative example for the simulation.
Starting Page	63
Ending Page	64
Page Count	2
File Size	580013
File Format	PDF
ISSN	02721724
Volume Number	21
Issue Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-08-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Digital simulation Power electronics Digital control Pulse width modulation converters Power system simulation Real time systems Control system synthesis Electric variables control Voltage Pulse width modulation numerical integration Real-time simulation power electronics digital control
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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