HomeCalculatorsICCP - Power Supply Rating

ICCP - Power Supply Rating

ICCP power-supply rating from required hull-protection current, voltage, and design margin - the unit spec for new-build / retrofit.

ICCPCathodicPower
Design current
313A
DC power
7.50kW
AC power supply
8.82kW

Formula, assumptions, and limits

ICCP supply typically 30–100 kW total. Voltage set on-line from reference electrodes - feedback loop holds hull at −850 mV Ag/AgCl. Power rating sized for worst-case biofouling.

Symbol legend

SymbolMeaningUnitSource
Design protection currentAcorrosion study
Anode circuit voltageVanode characteristic
Rectifier efficiency - 85 % typical