Abstract
This paper presents a modified two-level three-phase inverter for the reduction of the leakage current. With respect to a traditional two-level inverter, the proposed solution reduces the common-mode voltage (CMV), both in amplitude and frequency. Between the dc source and the traditional three-phase bridge, two active dc-decoupling devices and a voltage-clamping network have been added. A dedicated control strategy was developed adopting a modified space vector pulse-width modulation, oriented to the reduction of the CMV. Simulations showing the good performance of the solution are presented. A preliminary prototype was developed and experimental results are presented.
Original language | English |
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Article number | 7493639 |
Pages (from-to) | 4010-4019 |
Number of pages | 10 |
Journal | IEEE Transactions on Industry Applications |
Volume | 52 |
Issue number | 5 |
DOIs | |
Publication status | Published - 1 Sept 2016 |
Externally published | Yes |
Keywords
- Common-mode voltage (CMV)
- H8
- drives
- inverters
- leakage currents
- pulse-width modulation (PWM)
- space vector (SV)
- three-phase
ASJC Scopus subject areas
- Control and Systems Engineering
- Industrial and Manufacturing Engineering
- Electrical and Electronic Engineering