METHOD OF ELECTRIFICATION OF TRAWLS AND DEVICE FOR REALIZATION OF THIS METHOD Russian patent published in 2007 - IPC A01K79/02 H05C1/04 

FIELD: commercial fishery; methods of electrification of trawls.

SUBSTANCE: proposed method consists in securing the electric power source in towing line in vicinity of trawl wing for supplying the electric current to system of electrodes located on trawl net envelope. Two independent power sources are secured at trawl wings on standard points of location of depressors. Wires supplying pulse current are connected to electrical connectors on control units of power sources; electrical fields formed by them are used for control of fish behavior in the course of fishing. Device proposed for realization of this method includes electric current generator driven by impeller actuated by energy of water incoming flow. It is placed in metal watertight housing and is provided with three-phase induction AC generator, bipolar current pulse oscillator, voltage, frequency and pulse duration control unit. Control unit is provided with single-contact connectors for connecting the wires running from electrodes on net section of trawl.

EFFECT: enhanced efficiency of trawl fishing due to increased trawl catching capacity and reduced time and consumption of fuel in the course of fishing.

3 cl, 2 dwg, 2 ex