Inside CSD: measuring what keeps India's grid running

From a small workshop to instruments on substations across the country — the thinking behind every CSD tester.

Notes from the field

Application notes, guides and company stories written by the engineers who test cables, phasing and batteries every day.

Latest insights

Pre-locating faults in mixed XLPE and PILC cable networks.

CSD expands its field service network across South India.

How often should substation batteries be discharge tested?

Getting phasing right before energising a new feeder.

What every reflection on the screen is telling you.

What a season of wet-weather call-outs taught our crews.

What traceability really means for your test results.

A ten-point checklist before any cable test.