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Comparison of Doubly-Fed Induction Generator Machine Models for Real-Time Simulations

Conference ·

This work presents a detailed comparison among three implementations of the Doubly-Fed Induction Generator (DFIG) machine model. The alpha-beta-gamma, synchronous (dqo), and natural frame dynamic machine models were deployed on a Field-Programmable Gate Array (FPGA) and compared in terms of execution time and resource utilization. These machine models were also validated against a physical DFIG machine during balanced and unbalanced grid conditions. A benchmark is presented with the objective of selecting the machine model, orientation and state-space representation that is best suited for real-time simulations. The selected machine model is used to develop a real-time emulator of a Type-3 wind system. This emulator enables the study of wind turbine system in realtime using a validated platform while allowing controller testing without relying on expensive third-party solutions.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE; USDOE Office of Electricity Delivery and Energy Reliability (OE)
DOE Contract Number:
AC05-00OR22725
OSTI ID:
1471908
Country of Publication:
United States
Language:
English

References (7)

Simulation of Symmetrical Induction Machinery journal November 1965
Real-time simulation for active and reactive power control of doubly fed induction generator conference September 2013
Real-time simulation of a doubly fed induction generator wind turbine on a new DSP based hardware platform conference September 2013
Design of a Real-Time Digital Simulator for a D-STATCOM System journal October 2004
Doubly fed induction generator using back-to-back PWM converters and its application to variable-speed wind-energy generation journal January 1996
A Versatile Cluster-Based Real-Time Digital Simulator for Power Engineering Research journal May 2006
Dynamic simulation of DFIG wind turbines on FPGA boards conference February 2010

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