Guides

The Philippines is expanding and modernising its grid to support demand growth, renewable integration and island interconnections. Live-line PD testing and inspection instruments help utilities and contractors manage older assets alongside new build.

For electrical testing distributors and agents, partial discharge detection instruments are a growing line with repeat demand. This guide explains the distributor model, what to evaluate in a manufacturer, and how partnerships with Chinese manufacturers like HUWOR work.

Data centre construction is surging across Southeast Asia, and the power equipment feeding the facilities must be proven and maintained to the highest reliability standard. This guide covers live-line testing of switchgear, transformers and UPS input systems for data centre electrical rooms.

SF6 remains the dominant GIS insulation medium, but environmental regulation is pushing the industry toward alternatives. GIS owners should strengthen SF6 management now – leak detection, emissions accounting and monitoring – while tracking the transition.

Dissolved gas analysis (DGA) and partial discharge (PD) testing are the two main diagnostic windows into transformer insulation. This article explains what each detects, their blind spots, and how combining them strengthens transformer asset management.

New underground cables across Vietnam and Indonesia deserve acceptance testing before energisation. Oscillating wave test sets detect installation and jointing defects early, protecting the investment in expanding urban networks.

Utilities in Saudi Arabia, the UAE and the wider Gulf need inspection equipment built for extreme heat, sand and wide temperature swings. This guide configures a live-line detection instrument set for Gulf substation conditions.

Field PD testing of energised power transformers combines HFCT clamps on the grounding system with ultrasonic sensors on the tank. This practical guide explains sensor placement, interference handling, interpretation and when to escalate to permanent monitoring.

Portable quantitative SF6 leak detectors locate and measure gas loss on GIS and breakers during service. This article sets out a practical field workflow: preparation, leak survey, quantification, repair verification and record keeping.

Transient Earth Voltage (TEV) measurement is the standard energised method for finding partial discharge in switchgear panels. This field guide covers measurement points, background correction, interpretation thresholds and reporting.