Аннотация:When spacecraft cross the heliospheric plasma sheet (HPS) in the solar wind that separates large-scale magnetic sectors of the opposite direction, they almost always observe multiple rapid fluctuations of the sign of the radial magnetic field component, indicating the presence of multiple current sheets in this region inside HPS. Possible mechanisms of formation of these multiscaled structures in the solar wind are proposed. Since the belt of streamers in the solar corona is believed to be the main source of the slow solar wind in the heliosphere, we proposed the hypotheses about the extension of many thin current sheets from the streamer belt, oriented along the neutral line of heliomagnetic field. In a framework of the proposed MHD model the self-consistent distributions of solar wind characteristics depending on the interior thin structure of streamers are investigated. It is shown that both single and multiple streamers in the neutral belt which have reached a remote boundary surface can form a characteristic multi-layer current structure inside the HPS with azimuthal currents alternating in direction. The implications of these results for the interpretation of observations in the solar wind are discussed.