Category Technical FAQs

With ISO9001 and CE certifications, Wrindu’s high-voltage testers and other products has top quality and reliability. Explore our FAQs for expert insights on high-voltage and other testing procedures.

What Is Transformer Core Grounding?

Learn what transformer core grounding is, why a single ground point is essential, and how core ground tests detect insulation issues. Discover how Wrindu provides reliable testing equipment and technical support for transformer diagnostics and maintenance.

How to Measure and Detect Partial Discharge?

Learn how to measure and detect partial discharge in transformers, GIS, and cables. Explore electrical, acoustic, and UHF PD testing methods and discover how Wrindu provides reliable partial discharge detection solutions for utilities and high-voltage equipment maintenance.

What Are Common Types of Partial Discharge?

Learn the common types of partial discharge—internal, surface, corona, cavity, and treeing—in transformers, cables, and switchgear. Discover causes, risks, and advanced detection methods to improve reliability and prevent insulation failures.