Wiener filtering for real-time DSP compensation of current transformers over a wide frequency range (CROSBI ID 240973)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Dadić, Martin ; Mostarac, Petar ; Malarić, Roman
engleski
Wiener filtering for real-time DSP compensation of current transformers over a wide frequency range
An efficient system for the compensation of current transformers over a wide frequency range is presented. The proposed technique is based on digital signal processing and inverse modeling using the frequency domain approach and Wiener filtering. Since the proposed technique applies finite impulse response filtering, the compensation filter is absolutely stable. The modeling error is reduced using a small time delay in the modeled inverse transfer function, which is unobservable for the human operator. The proposed algorithm is implemented in real time using a PCI eXtensions for Instrumentation system.
current transformers ; delays ; digital signal processing ; finite impulse response filters ; frequency measurement ; real-time systems ; transfer functions ; compensation ; PCI extensions for instrumentation (PXI) ; wiener filtering. ; current transformers (CTS) ; digital signal processing (DSP)
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Podaci o izdanju
66 (11)
2017.
3023-3031
objavljeno
0018-9456
1557-9662
10.1109/TIM.2017.2717238