<abstract xmlns="http://www.w3.org/1999/xhtml"><p> To meet the need of multi-channel DC power supply to activate multiple macro fiber composite (MFC) material simultaneously, a novel multi-channel adjustable DC supply using single-input single-output transformer based on spectral separation is proposed. A hybrid signal containing multiple frequency bands is boosted to obtain a high-voltage signal without bands change. Several frequency selection circuits are then used to separate individual signals in different frequency band from the high-voltage signal. Finally, these signals are rectified and filtered respectively to obtain multiple channel DC voltages. The feasibility of the proposed scheme is analyzed theoretically and verified by simulation. The hybrid signal containing multiple frequency bands is constructed by MCU (Micro Control Unit) and boosted using push-pull boost circuit. Low-pass, band-pass and high-pass frequency selection circuits are used to obtain the individual high-voltage signal in different frequency bands, and the amplitude frequency response characteristics of these filters are simulated using PSpice. Experimental results prove that each part of the scheme runs reliable and the output is stable and adjustable.</p></abstract>

To meet the need of multi-channel DC power supply to activate multiple macro fiber composite (MFC) material simultaneously, a novel multi-channel adjustable DC supply using single-input single-output transformer based on spectral separation is proposed. A hybrid signal containing multiple frequency bands is boosted to obtain a high-voltage signal without bands change. Several frequency selection circuits are then used to separate individual signals in different frequency band from the high-voltage signal. Finally, these signals are rectified and filtered respectively to obtain multiple channel DC voltages. The feasibility of the proposed scheme is analyzed theoretically and verified by simulation. The hybrid signal containing multiple frequency bands is constructed by MCU (Micro Control Unit) and boosted using push-pull boost circuit. Low-pass, band-pass and high-pass frequency selection circuits are used to obtain the individual high-voltage signal in different frequency bands, and the amplitude frequency response characteristics of these filters are simulated using PSpice. Experimental results prove that each part of the scheme runs reliable and the output is stable and adjustable.

MULTI–CHANNEL ADJUSTABLE DC POWER SUPPLY WITH SINGLE TRANSFORMER BASED ON SPECTRAL SEPARATION

State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing, Box 359, No.29, Yudao Street, 210016 Nanjing, People Republic China

Journal of Electrical Engineering

To meet the need of multi-channel DC power supply to activate multiple macro fiber composite (MFC) material simultaneously, a novel multi-channel adjustable DC...

MULTI–CHANNEL ADJUSTABLE DC POWER SUPPLY WITH SINGLE TRANSFORMER BASED ON SPECTRAL SEPARATION

Published Online: Feb 14, 2014

Page range: 50 - 54

DOI: https://doi.org/10.2478/jee-2014-0007

Keywords
spectral separation, DC supply, frequency selection, PSpice

This content is open access.

MULTI–CHANNEL ADJUSTABLE DC POWER SUPPLY WITH SINGLE TRANSFORMER BASED ON SPECTRAL SEPARATION

Published Online: Feb 14, 2014

Page range: 50 - 54

DOI: https://doi.org/10.2478/jee-2014-0007

Keywordsspectral separation, DC supply, frequency selection, PSpice

This content is open access.

Keywords
spectral separation, DC supply, frequency selection, PSpice