Cathelco ICCP - Marine Plant Systems

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A choice of controlpanelsThyristor PanelsC-Shield thyristor control panels combine cost effectiveness withrugged reliability that has been proved on vessels of all sizesworldwide.They also incorporate the latest computerised information systemsenabling the status of the ICCP system to be monitored by ships’computers.Thyristor control panels can be used for systems of up to 1,000 ampswith 8 anodes and 4 reference cells being controlled by an individualpanel. They are ideal for the requirements of cruise ships, VLCCsand many types of container and cargo vessels.The popularity of these panels means that they cangenerally supplied within relatively short lead times.l For ICCP systems of up to 1,000 amps.l Reliable performance with minimum attention.l Economical control for systems of all sizes.l Combines computerised output displays, alarms andinformation systems.l Up to 8 anodes and 4 reference cells per panel.l Easily configured to clients’ requirements.Modular PanelsThe C-Shield modular control panel, based on advanced computerisedelectronics, is designed for installations of up to 350 amps.Extremely lightweight and compact in design, it can be easily installedin engine rooms and requires the minimum of attention from the crew.One of the major advantages of the unit is that the modules areinterchangeable and can be quickly removed and replaced ifnecessary, thereby offering greater reliability.l For ICCP systems of up to 350 amps.l Modular design for greater reliability and flexibility.l Extremely lightweight and compact.l Clear digital output displays.l Incorporates ‘under’ and ‘over’ protection alarmsl Can be linked to bridge information systemsMinitek PanelsThe Minitek system has beendesigned to protect smaller steelhulled vessels against corrosion.It has been widely installedon tugs, fishing vessels andworkboats where engine roomspace is at a premium.l Operates from 230V a.c.electrical supply.l Control panel measures 600mm x 600mm x 210mml Far superior to sacrificial anode systems whereoutput cannot be verified.Alutek PanelsThe Alutek system providescarefully controlled protectionfor aluminium hulls usingan arrangement of flushmounted anodes, monitoringelectrodes, controllingelectrodes and di-electricshield sensors.l Operates from 230V or115V a.c. electrical supply.l Control panel measures 400mm x 500mm x 210mm.l Lower yard installation cost than recessed sacrificialanode systems
C-Shield - the savingsAdditional fuel consumption– Sacs vs ICCPNotes1. Ship Types: A - 25,000 dwt General CargoB - 150,000 dwt Bulk Carrier2. Costings based on data for increased dragcontained in BS CP10213. Escalation: 3% pa compound500.000375.000250.000125.000Cost in US DollarsOver a ten year period, significant savingsresult from the use of C-Shield impressedcurrent cathodic protection.It used to be the case that ICCP systemswere more expensive to install thansacrificial anode systems, but theescalating price of zinc has reduced thecost differential making ICCP systems aneven more attractive proposition.B SAC A SAC2 Years4 Years6 Years8 Years10 YearsOne of the main disadvantages of sacrificialanodes is that they have to be renewedat periodic drydocking intervals as theybecome consumed, resulting in on-goingreplacement costs.Capital cost comparison forequipment installedIn contrast C-Shield anodes last for manyyears and achieve a more much reliablelevel of protection without the extra weightor drag which is inevitably associated withsacrificial methods.Notes1. Ship Types: A - 25,000 dwt General CargoB - 150,000 dwt Bulk Carrier2. Design Basis: Sacrificial 15mA/m 2 , ImpressedCurrent 30mA/m 23. Escalation: Materials & Labour 3% pa compound4. SAC Anodes: Zinc purchased at $3.6/kgB SAC B ICCP A SAC A ICCP8 Years10 Years125.000100.00075.00050.00025.000Cost in US DollarsIn addition, major operational savings resultfrom the use of C-Shield. A smooth hull,free from corrosion ensures the lowestfuel consumption for the vessel. Data hasshown that unprotected vessels, after aslittle as 2.5 years, can require an additional30% increase in shaft power to maintainservice speed.Throughout the design of the C-Shieldsystem, every care has been taken toensure the highest reliability commensuratewith minimal installation time. The lowestcost system may leave the installer with thehighest work load.6 Years4 Years2 Years
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Cathelco ICCP - Marine Plant Systems

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