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Cleaner Power, Smarter Systems, Stronger Infrastructure
⚡What You Don’t See Can Hurt Your System
Let’s talk Harmonics.
They’re invisible, unpredictable, and if left unchecked, they’ll slowly chip away at your equipment’s lifespan, efficiency, and reliability, like digital termites munching on your infrastructure.
Sound dramatic? It’s not.
At Electric Technics, we recently teamed up with KVAR ENGINEERING SERVICES LIMITED to tackle a rising case of harmonic distortion during a major site installation. The solution? Two precision-installed 120A active harmonic filters, carefully integrated using CTs wired in series with the main incomer CT.
And the result? Cleaner, more stable, and more resilient power, tailored to meet the site’s growing energy needs.
What Are Harmonics? And Why Should You Care?
You know that hum your equipment sometimes makes? Or the flicker in your lights during peak load?
That’s not bad luck. That’s harmonic distortion, electrical noise caused by nonlinear loads like:
- Variable Speed Drives (VSDs)
- LED lighting systems
- Solar inverters
- Data centres and UPS systems
These devices distort the smooth waveforms of your electrical supply, introducing higher frequencies (harmonics) that wreak havoc over time.
The Consequences?
- 🔥 Overheating cables and transformers
- 🧯 Tripped circuit breakers
- ⏱ Reduced equipment lifespan
- 💸 Higher energy bills (yes, harmonics waste power)
- 📉 Downtime and erratic performance
In short: bad power quality = bad business.
Our Recent Installation: The Power Behind the Panels
Let’s break down the install:
✅ 2 x 120A active harmonic filters
✅ CTs (current transformers) wired in series with the site’s existing main incomer CT
✅ Real-time load monitoring
✅ Coordinated harmonic mitigation tailored to dynamic loads
✅ Integrated into an expanding infrastructure with minimal disruption
Frequently Asked Questions
Q: How do I know if I have a harmonics problem?
A: Signs include unexplained tripping, overheating of neutral conductors, or inconsistent equipment performance. The only sure way to confirm is with a power quality survey.
Q: What are active harmonic filters and how do they work?
A: These smart devices monitor your electrical load in real-time and inject “inverse harmonics” to cancel out distortion. Unlike passive filters, they adjust dynamically to changes in your system.
Q: Are harmonic filters just for large industrial sites?
A: Not at all. Any site with complex or sensitive equipment (like commercial buildings, hospitals, or factories with VFDs) can benefit from harmonic mitigation.
Q: Will this save me money?
A: Over time, yes, by reducing energy waste, preventing equipment failure, and increasing overall system efficiency.
Partner Spotlight: KVAR ENGINEERING SERVICES LIMITED
Great solutions come from strong partnerships. By teaming up with KVAR Engineering, we combined deep technical experience with hands-on site expertise.
Why Work With Electric Technics?
We don’t just understand electricity. We understand how electricity behaves under pressure, in real-world conditions, across a mix of new and legacy systems.
Here’s what we bring to your project:
- 🧠 Diagnostic-led approach – We always start with data.
- 🛠️ Expert integration – We work with your team and infrastructure, not against it.
- 🤝 Collaborative partnerships – With trusted specialists like KVAR.
- 📍 Midlands-based, nationally experienced – Local reach, UK-wide standards.
Whether you’re a plant manager, facilities director, or energy-conscious business owner — we’ve got the tools, team, and technical know-how to make your system perform at its best.
Final Thoughts: Clean Power Is Smart Power
You wouldn’t pour dirty oil into a brand-new engine, so why run your cutting-edge facility on distorted power?
Harmonics might be invisible, but the damage isn’t.
Get ahead of the problem. Clean up your power. And Future-proof your business.




