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Surge Arrester IV parameters file

Owned by Sylvain Ménard
Last updated: Mar 08, 2023
1 min read

How to specify IV parameters file in the Schematic Editor ?

The Surge Arrester block has a "Current voltage characteristic" parameter which is a dropdown. When the "Current-voltage table" is selected, you can specify a file which should contain current voltage characteristics in the "Current voltage lookup table" field.

This file has to be in a specific format which is described below.

What is the format of the IV parameters file ?

The current voltage parameters are described in a JSON format. The following parameters must appear in the file.


Paremeter (JSON key)Value typeUnitDescriptionExample

currentBreakpoints

double[]A

Current breakpoints of the Surge Arrester

"currentBreakpoints":[
    0.0,
    1.0e-3,
    3.0e-3,
    1.0e-2,
    1.0e-1,
    10.0,
    200.0,
    600.0
  ],

voltageValues

double[]VVoltage values for each current breakpoint of the Surge Arrester"voltageValues": [
    0.0,
    426.4e3,
    450.18e3,
    455.92e3,
    467.4e3,
    501.84e3,
    519.88e3,
    527.26e3
  ]

All the examples above concatenated would give in a valid JSON format:

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