ffa_test_modifier {CNAIM}

Oil Test Modifier

Description

This function calculates the FFA test modifier based on the levels of furfuraldehyde in the transformer oil. This function applies for 33/10kV, 66/10kV and 132kV transformers. See e.g. section 6.13 on page 71 in CNAIM (2021).

Usage

ffa_test_modifier(furfuraldehyde = "Default")

Arguments

furfuraldehyde

Numeric. Refers to the furfuraldehyde level in the transformer oil. furfuraldehyde levels are measured in ppm. A setting of "Default" will result in the best possible result.

Value

Data table.

Source

DNO Common Network Asset Indices Methodology (CNAIM), Health & Criticality - Version 2.1, 2021: https://www.ofgem.gov.uk/sites/default/files/docs/2021/04/dno_common_network_asset_indices_methodology_v2.1_final_01-04-2021.pdf

Examples

# FFA test modifier
ffa_test_modifier(furfuraldehyde = 50)