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RCC Electronics Blog

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

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

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

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

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

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...
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Simplifying EV Energy Consumption Analysis in RDE Testing

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

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...
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Cable Testing: The Foundation of Reliable Power Transmission

Cable Testing: The Foundation of Reliable Power Transmission

Billy 11/06/2026 0
Cable testing and cable diagnostics Underground cables – the lifelines of our civilization In today’s world, we face new challenges in the form of glo...
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BAUR protrac Pin-Pointing System

BAUR protrac Pin-Pointing System

Billy 11/06/2026 0
Maintaining a reliable power supply is and will remain extremely important. To ensure a reliable power supply, a high-performance power grid and short...
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CAT250 Series: Advanced Circuit Breaker Analyzer and Timer for Safer High-Voltage Testing

CAT250 Series: Advanced Circuit Breaker Analyzer and Timer for Safer High-Voltage Testing

Billy 05/06/2026 0
High-voltage circuit breakers play a critical role in protecting substations, power grids, and industrial electrical systems. To keep them reliable, u...
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5KV Hi-Pot Tester vs. Insulation Tester: Similarities and Differences

5KV Hi-Pot Tester vs. Insulation Tester: Similarities and Differences

Billy 03/06/2026 0
In electrical testing, equipment maintenance, and production quality control, both 5KV hi-pot testers and insulation testers are commonly used to chec...
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How IEEE 400 Cable Testing Standards Connect to BAUR Products Available

How IEEE 400 Cable Testing Standards Connect to BAUR Products Available

Billy 01/06/2026 0
Field testing shielded power cable systems is not a one-size-fits-all process. Different IEEE 400 series standards address different test methods, inc...
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HIOKI BT3554 vs BT4560: Which Battery Tester Fits Your Application?

HIOKI BT3554 vs BT4560: Which Battery Tester Fits Your Application?

Billy 01/06/2026 0
Choosing the right battery tester is not just about finding the instrument with the most advanced specifications. It is about matching the tester to t...
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What Test Current Do You Need for a Micro-Ohmmeter: 1A, 10A, 100A, 300A, or 600A?

What Test Current Do You Need for a Micro-Ohmmeter: 1A, 10A, 100A, 300A, or 600A?

Billy 01/06/2026 0
When choosing a micro-ohmmeter, one of the most common questions is:What test current do I actually need: 1A, 10A, 100A, 300A, or 600A?The short answe...
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Micro Ohmmeter --- Why 4-Wire Kelvin Measurement Is Essential for Low Resistance Testing

Micro Ohmmeter --- Why 4-Wire Kelvin Measurement Is Essential for Low Resistance Testing

Billy 29/05/2026 0
When measuring very small resistance values, a normal 2-wire resistance measurement is often not accurate enough. This is especially true when the res...
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