STRAY Systemes
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Parallel-passive electromagnetic field effect conversion
A technical deep-dive into harmonic recycling and I²R loss recovery from stray current
How magnetic field manipulation converts reactive and distorted power into true power at the fundamental frequency
AmpMiner® leverages nano-crystalline doped amorphous common-mode chokes in a proprietary configuration to convert reactive and distorted power components into true power through a four-step electromagnetic process:
The passive array engages odd harmonic field activity at the return-path (neutral/ground), capturing distorted electromagnetic energy that would otherwise circulate as waste heat in conductors and transformers.
Unlike traditional common-mode chokes that simply block noise, this proprietary quasi-CM array actively intercepts and routes harmonic magnetic fields for conversion.
Captured harmonics are routed into a custom-engineered magnetic waveguide where they undergo selective cancellation and field reshaping—analogous to noise-canceling technology, but operating on electromagnetic fields rather than acoustic waves.
The waveguide architecture uses controlled flux paths to separate and process different harmonic orders, enabling targeted conversion without affecting the fundamental frequency.
The distorted magnetic field is reshaped into a phase-corrected fundamental waveform at 60Hz (or 50Hz for international applications), converting previously unusable harmonic energy into clean, usable AC power at the grid frequency.
This step represents the core innovation: rather than dissipating harmonic energy as heat (passive filters) or canceling it with opposing currents (active filters), the system converts the frequency domain of the energy itself.
The localized harmonic-to-fundamental conversion facilitates real-time magnetic field redistribution and phase rotation corrections across the upstream Wye-side transformer supply, while actively improving every known parameter of power quality downstream.
This creates a cascading benefit: improved transformer efficiency, reduced neutral leakage, balanced phase currents, and enhanced power delivery to connected loads.
Unlike conventional harmonic filters that dissipate energy as heat (passive) or require power input to generate canceling waveforms (active), AmpMiner® converts and recycles that energy back into the panel as usable capacity—representing a fundamental paradigm shift in power management from loss mitigation to energy recovery.
Electronic equipment is 10 to 100 times more sensitive to common-mode noise than differential-mode noise. This fundamental difference drives the FEC architecture:
Common-Mode Current
Flows in the same direction through all conductors, using ground as return path. Created by high-frequency switching, parasitic capacitance, and EMI propagation.
Differential-Mode Current
Flows in opposite directions through conductors (normal operation). Traditional power factor correction addresses differential-mode reactive power.
Inverse Relationship
As EMI increases, stray currents converge on phases and diverge from neutral—FEC corrects this imbalance while recovering the associated I²R losses.
AmpMiner® operates on the "cold side" of the electrical panel (neutral/ground only), providing critical deployment benefits:
Zero Downtime
No "hot side" connections required—installation without service interruption
Magnetic Buffer Function
Intercepts and converts noise to fundamental frequency (60Hz) through selective attenuation
Safety & Compliance
UL 1283 and CSA certified for commercial deployment with N/G terminations only
Conventional active and passive filters block or cancel harmonics:
AmpMiner converts and recovers harmonic energy:
✓ AmpMiner is the only solution that both mitigates harmonics AND recovers the energy
48.39%
Neutral Voltage Reduction
MULTACOM CDN (0.217V → 0.112V)
41.53%
Harmonic Content (THC)
Data center (31.3A → 18.3A)
+6%
FLOPs-per-Watt Gain
Computing performance improvement
9.76%
Power Factor Improvement
4x Whatsminer M60S (0.666 → 0.731)
11%
Operational Efficiency
Powers 1 of every 9 miners free
7.28%
J/TH Improvement
700MW facility (484 miners tested)
All performance claims are validated by independent third-party M&V using DoE-certified instrumentation:
AmpMiner is designed to complement—not replace—your current setup:
Yes. AmpMiner is designed to complement passive and active filters. While traditional filters block or cancel harmonics, AmpMiner recovers the energy—providing both power quality improvement and capacity gains.
Power factor correction addresses reactive power (VARs) using capacitor banks. AmpMiner goes further by also recovering harmonic distortion energy and I²R losses from stray current—energy that PFC alone cannot capture.
Typical deployments see 5–20% reduction in effective load, depending on harmonic content and load profile. We provide a 90-day trial with third-party M&V to measure your specific savings before you commit.
No. AmpMiner units are installed in parallel and can be hot-swapped without interrupting service.
Every unit includes encrypted telemetry to our cloud platform. You get real-time dashboards showing power quality metrics, kWh savings, and carbon impact—accessible from any device.
AmpMiner's parallel-passive EM field effect conversion technology is patent-pending. You can search our filing on the USPTO public database.
Step-by-step deployment procedures
Schedule a technical consultation to see where AmpMiner can deliver measurable savings for your facility.