Cathodic Protection calculator | Italcorr Engineering

IITALCORRENGINEERING

EN ISO 15589-1 · PRELIMINARY DESIGN

PIPELINE CP DESIGN TOOL

Cathodic protection.
Clear preliminary sizing.

Estimate protective current, compare galvanic and impressed-current systems, and evaluate preliminary anode quantity and spacing.

INPUT DATA

Pipeline parameters

Reference scenario. Verify every value before engineering use.

Pipeline length m Outside diameter mm Soil resistivity Ω·m Pipe temperature °C Coating type Coating breakdown % Current density at defects mA/m² Calculation type

Design assumptions and anode parameters ⌄

Temperature factor — Design margin % Design life years Standard / specification Protection criterion and reference electrode

Galvanic anodes

Anode model / material Active mass per anode kg Electrochemical capacity Ah/kg Utilisation factor — Available driving voltage V Installed resistance of one anode ΩIf available from calculation or measurement, this overrides the geometry fields. Anode + backfill length m Anode + backfill diameter m

Impressed current

Anode groundbed resistance Ω Cable and connection resistance Ω Other circuit resistance Ω Voltage margin % Rectifier current margin % Allowable current per ICCP anode A

Preliminary sizing only. Preset values are reference scenarios, not measured project data.

Results

Protected surface—m²

Bare surface—m²

Design current—A

Required life—years

Galvanic anodes

Output of one anode: —
Number by current: —
Number by life: —
Design quantity: —
Average spacing: —
Estimated life: —

Impressed current

Total circuit resistance: —
Calculated minimum voltage: —
Minimum rated current: —
Minimum ICCP anodes: —

Inputs and formulas

Parameter	Value	Unit	Status

Engineering verification is mandatory. Before detailed design, confirm ON/OFF or instant-off potentials, coating resistance and defects, electrical continuity, insulating joints, stray currents and AC/DC interference, current distribution and anode nameplate data.

Cathodic protection.Clear preliminary sizing.

Pipeline parameters

Galvanic anodes

Impressed current

Results

Galvanic anodes

Impressed current

Inputs and formulas

Cathodic protection.
Clear preliminary sizing.