RCC Electronics Blog

How to Reduce CVA500 CT Saturation Test Duration

Billy 08/09/2026 0

DV Power application insight | RCC ElectronicsReduce CVA500 CT Saturation Test Duration—Without Sacrificing Confidence Current-transformer (CT) satura...

How to Measure DC Power Supply Efficiency with Confidence

Billy 18/08/2026 0

Efficiency Is More Than a Datasheet Number A DC power supply may deliver the correct voltage and still waste a meaningful share of its input energy a...

Testing GIS Circuit Breakers with Both Sides Grounded: A Safer, Faster Approach with DV Power's CAT500

Billy 31/07/2026 0

Gas-insulated substations (GIS) have transformed how high-voltage infrastructure is built and maintained. By encapsulating conductors, circuit breaker...

DV Power TRT Standard Series: Reliable Transformer Turns Ratio Testing up to 250 V AC

Billy 16/07/2026 0

Transformer turns ratio testing is an essential part of transformer commissioning, maintenance, and troubleshooting. It helps verify the relationship ...

How to Choose the Right HIOKI PQ3100 Accessories for Power Quality Testing

Billy 16/07/2026 0

Choosing the right power quality analyzer is only the first step. To get accurate, safe, and practical field results, you also need the correct curren...

How to Choose Accessories for the HIOKI PQ3198 Power Quality Analyzer

Billy 15/07/2026 0

Choosing the right accessories for the HIOKI PQ3198 is just as important as choosing the analyzer itself. The PQ3198 is a high-end IEC 61000-4-30 Ed. ...

How to Test Transformer Winding Resistance and Turns Ratio in the Field

Billy 10/07/2026 0

Field testing a transformer is not just about confirming that it is energized correctly. It is about finding hidden electrical and mechanical issues b...

Understanding Oil Breakdown Voltage Setting Gauges: ASTM D1816, IEC 60156, ASTM D877, BS EN 60156, and SEV EN 6015

Billy 09/07/2026 0

When testing transformer oil or other insulating liquids, the electrode gap is not a small detail. It directly affects the measured breakdown voltage,...

Understanding the BAUR DTL C Test Principle for Transformer Insulating Oil Diagnostics

Billy 08/07/2026 0

Transformer insulating oil plays a critical role in the reliability, safety, and service life of electrical power equipment. Over time, oil condition ...

Hioki CT6704 and CT6705 Current Probes for High-Frequency Power Electronics Testing

Billy 03/07/2026 0

As power electronics continue to move toward faster switching, higher efficiency, and more compact designs, engineers need current measurement tools t...

IEEE C57.152 and Tap Changer Testing: Why Transformer Tap Position Checks Matter

Billy 03/07/2026 0

Tap changers are one of the most important operating components in power transformers and voltage regulators. They allow the transformer to adjust vol...

Why High Current, Continuous Current, and Both Sides Grounded Testing Matter in Micro-Ohmmeters

Billy 03/07/2026 0

In electrical maintenance, a micro-ohmmeter is used to measure very low resistance values. Typical applications include circuit breaker contacts, ca...

Choosing DV Power Micro-Ohmmeters: Naming Logic, Model Differences, and Application Guide

Billy 02/07/2026 0

DV Power’s micro-ohmmeter lineup is built around the RMO name. In general, RMO refers to a low-resistance or micro-ohm measurement instrument that use...

Common VLF Testing Problems and How BAUR Solutions Help Improve Cable Assessment

Billy 30/06/2026 0

Common VLF Testing Problems and How BAUR Solutions Help Improve Cable Assessment Very Low Frequency testing is widely used for medium-voltage and high...

Simplifying EV Energy Consumption Analysis in RDE Testing

Billy 29/06/2026 0

Laboratory-based standards such as WLTP are essential for vehicle development, but they cannot fully reflect how vehicles perform in real-world condit...

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