Introduction

OPTIMUM FISHING EFFICIENCY WITH
AUTOMATIC WINCH CONTROL
FISHING
PROTECTION
  • Important reduction of trawl damage, time saver and less repair costs.
  • In case of a fastener, a warp-overload is anticipated through automatic shooting of the wires.
  • Propellor pitch reduction if a fastener persists.
  • The effect of fasteners is reduced drastically, especially on difficult grounds.

without Marelec
without Marelec

with Marelec
with Marelec
MAXIMUM NETOPENING
  • Maximum catch obtained under all working conditions through equal tension control in both wires and consequent lengthdifference.
  • Applications:
    • with transverse winds and currents
    • on inclined seabottoms
    • with adverse weatherconditions
  • Twintrawl with center wire control
 without Marelec
without Marelec
with Marelec
with Marelec

FAST
TURNING		 E.g: A 2,000HP vessel - 800m warp out. Turn time 180°: 5 min - length difference: +/-80m.
  • Fishing time gain, through fast turning with the ship up to 180°. Without haul-in of the fishing gear.
  • Applications:
    • Target fishing
    • Fishing following curved or parallel tracks
 without Marelec
without Marelec		 with Marelec
with Marelec
SHOOTING-
HAULING
  • Time savig through synchronisized pay out and haul in of the warps towards preset lengths at optimal speed.
  • Labour saving: no more remarking the warps and mark counting.
 shooting-hauling

DIFFERENT KINDS OF TRAWLING

Bottom trawling

Bottom trawling

 

Pegalic trawling

 

Pegalic trawling

 
Beam trawling

Beam trawling

 
Pair trawling Pair trawling
Line trawling Line trawling

Systems

MARELEC SD-protec
  • Beamtrawling
  • Intelligent control of the winch brakes in case of overload

MARELEC SI-D
  • Bottomtrawling
  • For electric & hydraulic winches, including monoblock winches
  • Control of the wire on EQUAL tension (SYNCHRO I master/slave principle)
  • wire release control in case of overload (on both wires)

Practically : one winch will work about 5% of the fishing time.

MARELEC SII-D
  • Bottomtrawling, Pelagic trawling
  • For electric & hydraulic splitwinches
  • Wirelength & tension measurement with instrumented pulleys
  • Control of the wire on CONSTANT tension (SYNCHRO II)
  • wire release control in case of overload (on both wires)

Practically : both winches will work 100% of the fishing time.

MARELEC 2
  • For hydraulical winchdrives
  • All measurement integrated on the winches
  • Interface with netsensors possible
  • Single trawl. Classic cost effective solution

MARELEC 3
  • For hydraulical winchdrives
  • All measurement integrated on the winches
  • Interface with netsensors possible
  • Double trawl

MARELEC SD-Flyshooting
  • Measurement of wirelength & tension
  • Optimum fishing efficiency with automatic winch control
  • Important reduction of trawl damage
  • Electronic wire guide spooling system