Electric signature management and corrosion protection

KSRC offers:

Integrated Kaskad-type systems for management of the ship’s electric field and corrosion protection of hull and propellers;
STAR3D Electric software for numerical simulation of corrosion protection systems for ships and other marine structures;
A system of standard electric isolation arrangements for underwater hull structures made of dissimilar materials;
Guidelines and equipment for measuring the ship’s electric signature and processing of measurement results;
Package of regulatory and technical documents on ship electric signature reduction and corrosion protection in ship design, construction and operation;
Development of test facilities for laboratory tests and sea trials;
Design appraisal of ships and marine structures with regard to corrosion protection and recommendations for the most efficient application of protection techniques;
Electric field studies in the electrolytic and stratified test tanks.

In support of ship design:

Design rules for electric signature reduction and corrosion protection tools and recommendations on the configuration of tools and techniques to be applied for various ship types;
Guidelines and software for calculating the electric signatures and corrosion protection parameters;
Guidelines on physical simulation of the electric field;

In support of ship construction:

Integrated Kaskad-type systems for the electric signature reduction and corrosion protection of hulls and propellers of various ships;
Quality control methods for tools of electric signature reduction and corrosion protection equipment on building berth and afloat (fitting-out);

In support of tests:

Guidelines for electric signature measurements;
Guidelines and software for extrapolating electric signature measurements to various distances and for calculation of dipole moments;
Guidelines for checking the operability of corrosion and electric protection tools.

KSRC designs corrosion protection systems as well as examines ready-made designs of such systems for offshore platforms and other marine structures.

The design and efficiency of corrosion protection systems is analyzed using STAR3D Electric software.

Selection of optimal corrosion protection system taking into consideration the type of structure, its operational conditions and designed lifetime;
Optimization of anode & reference electrode layouts;
Selection of number and type of sacrificial anodes, estimation of their lifetime with consideration of decay dynamics;
Prediction of corrosion protection efficiency in operational conditions.

A more advanced modification of conventional corrosion protection systems is offered using additional anode modules to be installed on the seabed.

Uniform distribution of the protective current over the surface of the structure;
Unlike the conventional onboard anode systems, the corrosion protection is not drastically degraded if one of the modules fails;
No requirement for anode shields;
Fast deployment of the anode modules during the fitting-out of structures afloat and in case of onboard anode failure;
Protection of metal structures on platforms moored in deep water.

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