Understand the difference between de-energized tap changers and on-load tap changers, how rotary mechanisms select winding taps, and what data are needed for specification.

Industry InsightsAug 24, 2026

Separable Connector Systems: Type A, Type B, Type C Interface Comparison

Compare standardized medium-voltage separable-connector interfaces A, B, and C by current rating, dimensions, operating duty, voltage class, and application.

Technical GuidesAug 24, 2026

Transformer Pressure Relief Devices: Safety Requirements and Selection

Specify transformer pressure-relief devices by tank design, opening and resealing behavior, discharge direction, alarm contacts, environment, and maintenance needs.

Technical GuidesAug 24, 2026

Oil-Immersed Load Switch Applications in Distribution Networks

Review the purpose, configurations, ratings, interlocks, installation requirements, and selection data for oil-immersed load switches in distribution transformers.

Technical GuidesAug 24, 2026

Deadbreak vs Loadbreak Bushing Interfaces: When to Use Each

Choose between loadbreak and deadbreak separable-connector interfaces by switching duty, current, system design, operating procedures, and component compatibility.

Industry InsightsAug 24, 2026

ANSI vs IEC Standards for Transformer Bushings: What International Buyers Need to Know

Understand how IEEE and IEC bushing specifications differ in rating conventions, test requirements, dimensions, service conditions, and procurement documentation.