Performance Analysis of a Fault Isolation System for Fault-Tolerant Voltage-Fed PWM Motor Drives

The paper presents the performance analysis of a DC short-circuit (SC) isolation system utilized in fault-tolerant voltage-fed PWM motor drives. The fault isolation is achieved by forcing a high-speed fuse to blow whenever a short-circuit condition occurs in one of the leg composing the inverter. Th...

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Bibliographic Details
Main Authors: Tornello, Luigi Danilo, Scelba, Giacomo, Spampinato, Andrea, Forte, Gianluigi
Format: Conference Proceeding
Language:English
Subjects:
adjustable speed drives
Dc-link-capacitor
Fault tolerance
Fault tolerant systems
fuse modeling
Fuses
I2t
Inverter faults
Inverters
Legged locomotion
Motor drives
multiphase ac motor drive
phase-leg short-circuits
protection device
Pulse width modulation
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Summary:The paper presents the performance analysis of a DC short-circuit (SC) isolation system utilized in fault-tolerant voltage-fed PWM motor drives. The fault isolation is achieved by forcing a high-speed fuse to blow whenever a short-circuit condition occurs in one of the leg composing the inverter. The theoretical study allows to identify the influence of the electrical parameters composing the SC loop. Moreover, a detailed simulative and experimental investigation is provided to validate the theoretical study. The experimental results have been carried out by testing a single leg of a modular multiphase fault-tolerant inverter integrating high-speed fuse protections. The tests have been performed by considering different high-speed fuses and DC-link capacitor bank configurations.
ISSN:2329-3748
DOI:10.1109/ECCE47101.2021.9595303