Novel Differential Protection Technique for Doubly Fed Induction Machines
| Autor: | Jaime Rodríguez Arribas, Carlos Veganzones Nicolas, Mohammad Ebrahim Zarei, Carlos A. Platero |
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| Rok vydání: | 2019 |
| Předmět: |
Work (thermodynamics)
Differential protection Computer science Stator Rotor (electric) 020209 energy 020208 electrical & electronic engineering 02 engineering and technology AC power Turbine Industrial and Manufacturing Engineering law.invention Generator (circuit theory) Electric power system Control and Systems Engineering Control theory law 0202 electrical engineering electronic engineering information engineering Electrical and Electronic Engineering |
| Zdroj: | IEEE Transactions on Industry Applications. 55:3697-3706 |
| ISSN: | 1939-9367 0093-9994 |
| Popis: | Doubly fed induction machines (DFIMs) typically work as a generator in wind turbine systems and as motor/generator in pumped-storage hydropower plants. Nowadays, they have an important role in the integration of renewable energies in power systems. This paper presents a new technique for differential protection of DFIMs, including the rotor. The proposed protection, which is based on the comparison of the vector components $I_{d}\hbox{--} I_{q}$ of the rotor and stator currents, can protect the whole induction machine during the internal faults. This protection considers the dynamic variation of the rotor frequency and the extremely low rotor frequency along the different operation points of the DFIM. The proposed method is validated using simulations on a 2-MW DFIM and the experimental results are obtained in a laboratory setup. The results show that the proposed differential protection effectively protects the entire induction machine during internal faults and does not trip in case of external faults. |
| Databáze: | OpenAIRE |
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