インサイト
インサイト & エンジニアリングノート
フィールド成果、電力品質の解説、高周波ノイズの科学。
16 projects, 9 countries: what Denka® Platinum results look like in practice
From cement in Egypt to a hospital in Colombia and plastics in Ecuador — a transparent look at measured Denka® Platinum results, including the modest ones.
Denka® Team
Measuring savings honestly: baselines, seasonality and the Santa Ana lesson
A simple before/after average said ~3%; a season-blind method would have scored seasonality as savings. How a proper IPMVP Option C analysis reached ≈3–4%.
Denka® Team
Why HF noise circulates inside your facility — and heats your own machines
Conducted emissions spread over low-impedance busbars into neighbouring machines, while the facility transformer largely keeps them in. That is why the heat shows up on the machine side.
Denka® Team
Plastics and packaging: Denka® Plate results at FUPEL, PSF and PrintoPack
Extruders, injection machines, chillers and printing presses are dense with drives. Three plants show what Denka® Platinum Plates did to their electricity bills.
Denka® Team
Green without the capex drama: Denka® Platinum and your sustainability targets
The greenest kilowatt-hour is the one you never use. Five recent projects avoided over 777,000 kWh between them — with passive plates and no rewiring.
Denka® Team
Running a 5-step HF diagnostic: instruments and method
Spectrum analyser, RF current probe, IR camera and a Class A analyser: the exact method we use before and after a Denka® installation.
Denka® Team
Hotels, malls and hospitals: Denka® Platinum beyond heavy industry
Chillers, lifts, LED drivers, UPS and imaging equipment all switch at high frequency. What happened at Soho Hotel, Jaber Mall and Hospital Santa Ana.
Denka® Team
Arrhenius and insulation life: why every 10 °C halves it
A few degrees of extra winding temperature sounds harmless. Under the Arrhenius rule it can take decades off a motor's insulation life.
Denka® Team
Eddy-current losses scale with f²: transformers and motors under HF
Bertotti's loss separation explains why a little HF content goes a long way in laminated cores — up to +33% eddy losses in distribution transformers.
Denka® Team
Nestlé Waters Jordan: 14.7% lower energy per m³ through peak summer
At the Ma'an bottling plant, Denka® Platinum Plates reversed a 23.4% efficiency drift and avoided 134,693 kWh in July and August 2026.
Denka® Team
Bearing currents: how HF common-mode current destroys motor bearings
Bearings cause about half of all motor failures. In VFD-fed motors, HF common-mode current discharging through the bearings is a major reason why.
Denka® Team
Inside the KU Leuven / EnergyVille test of the Denka® Platinum Plate
Instruments, method and result of the November 2022 laboratory characterisation — and what the test does and does not tell you.
Denka® Team
How to read an energy-savings claim: an IPMVP checklist for finance teams
Five questions that separate a measured saving from a sales number — and how every Denka® Platinum project is set up to answer them.
Denka® Team
Complex permeability: how a ferrite passes 50 Hz and absorbs MHz noise
The real part stores magnetic energy, the imaginary part dissipates it. Why the DT400L Ni-Zn ferrite is almost invisible at 50 Hz and lossy across 150 kHz–30 MHz.
Denka® Team
Clip-on, zero rewiring: what a Denka® Plate installation day looks like
No shutdown of production lines, no galvanic connection, nothing to maintain. Where the plates go, who installs them and how long it takes.
Denka® Team
CISPR 11 vs IEEE 519: the frequency band your harmonic filter doesn't see
Harmonic filters and PF capacitors work below 2.5 kHz. Fast power electronics emit up to 30 MHz. Three frequency regimes, three different tools.
Denka® Team
Cement plants: what SGS and plant engineers measured with Denka® Platinum
Two cement plants, two independent measurement approaches: ≈7.0% lower raw-mill kWh/t at Cleopatra Cement and 6.5–7.4% on Ciments d'Enfidha's kiln motors.
Denka® Team
The 90-Day Result-Conditioned Money-Back Guarantee, explained
Why we tie our guarantee to a measured result, what happens in those 90 days, and why the product itself is rated for 25+ years.
Denka® Team
Skin depth: why 30 MHz current uses only 12 µm of copper
At 50 Hz, current uses 9.2 mm of copper. At 30 MHz it is squeezed into 0.012 mm — and the AC resistance seen by that noise rises sharply.
Denka® Team
The hidden cost of electrical noise in modern plants
Drives, inverters and switch-mode supplies save energy — but they also inject high-frequency noise that quietly turns into heat, wasted electricity and early equipment failure.
Denka® Team