RCC Electronics Blog

Power Quality Analyzer vs. Power Logger: How to Choose the Right Hioki Instrument

Billy 13/07/2026 0

Power problems are not all the same When a machine trips unexpectedly, a UPS alarms, a transformer overheats, or a production line stops without a c...

New Focus on IEEE C57.152 Workflows with DV Power Field Testing Solutions

Billy 13/07/2026 0

Transformer and substation maintenance is moving toward more structured, data-driven testing workflows. One important example is the growing focus on ...

PW9006 Adds IEC-Compliant Harmonics and Flicker Measurement to the HIOKI PW4001

Billy 13/07/2026 0

HIOKI has expanded the capability of the PW4001 Power Analyzer with the PW9006 IEC Harmonics/Flicker Measurement Option.This optional license adds IEC...

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 ...

SIGLENT SDS7000A CAN XL Protocol Introduction and Decoding Test

Billy 06/07/2026 0

As automotive electronics and industrial communication systems continue to move toward higher bandwidth, lower latency, and more complex data exchange...

SIGLENT 2.5G/5G/10GBASE-T Ethernet Compliance Testing Solution

Billy 06/07/2026 0

As data centers, intelligent vehicles, industrial automation, edge computing, and AI infrastructure continue to demand higher bandwidth and lower late...

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...

Cable Condition Assessment Flashcards: A Practical Study Tool for VLF, Tan Delta, and Medium Voltage Cable Testing

Billy 17/06/2026 0

Medium voltage cable systems are critical assets in electrical distribution networks. When these cables age, absorb moisture, develop insulation defec...