HANSCOMBE TECHNOLOGIES

Applied Physical Engineering & Systems Architecture

Eliminating High-Voltage DC Hazards at the Source

Eliminating High-Voltage DC Hazards at the Source

Eliminating High-Voltage DC Hazards at the Source

Commercial rooftop solar relies on delicate electronics to manage hazardous direct current in hostile operating environments. Hanscombe Technologies is developing a mechanical-first, module-level photon-attenuation architecture that cuts electrical generation at the cell.

Commercial rooftop solar relies on delicate electronics to manage hazardous direct current in hostile operating environments. Hanscombe Technologies is developing a mechanical-first, module-level photon-attenuation architecture that cuts electrical generation at the cell.

[ STAGE: CONCEPT DESIGN & PROVISIONAL PATENT PENDING ]

[ STAGE: CONCEPT DESIGN & PROVISIONAL PATENT PENDING ]

Technical Inquiry / Commercial Pilot

01 / THE COMMERCIAL HAZARD

Documented Industry Failure Modes

[ 01 ]

High-Voltage DC Characteristics

600V–1000V DC does not cross zero; arcing is continuous and self-sustaining.

[ 02 ]

Rooftop Environmental Stress

Thermal cycling from −20°C to 80°C+ drives solder fatigue and dielectric breakdown in module electronics.

[ 03 ]

Inverter Disconnect Illusion

Disconnecting string inverters stops grid feeding but leaves rooftop modules energized at full Voc under daylight.

02 / EMPIRICAL FIELD EVIDENCE

Industry Audits Indicate a Persistent DC-Side Defect Burden

Industry Audits Indicate a Persistent DC-Side Defect Burden

[ A ]

HelioVolta SolarQ Field Study — Over 60% of inspected commercial and industrial solar assets exhibit critical or major safety defects, predominantly in DC connectors and module-level electronics.

[ B ]

Commercial Logistics Facility Fire Losses — Major warehouse incidents across retail and logistics operators demonstrate that electronic rapid shutdown does not reliably de-energize rooftop modules for first responders.

03 / WORKING DIRECTION

Physical Photon Attenuation vs Electronic Switching

Physical Photon Attenuation vs Electronic Switching

The working direction is to remove electrical generation at its origin rather than interrupt it downstream: a mechanical-first architecture intended to physically attenuate photons at the module level.

01

Cell-Level Zero Potential

02

Passive Failsafe Default

03

Zero Parasitic Draw

04

Elimination of DC Connector Clutter

04 / TECHNOLOGY COMPARISON

Mechanical Isolation Creates a Different Safety State

Mechanical Isolation Creates a Different Safety State

PARAMETER

SOLID-STATE MLPE

HANSCOMBE MECHANICAL ISOLATION

Voltage Under Sun

Hazardous DC remains present at module output

Target: cell-level generation attenuated

Fire State

Dependent on electronics, wiring, and communication

Passive state designed to interrupt photon input

Thermal Fatigue

Semiconductor and solder joints cycle at the roofline

Mechanical materials selected around passive endurance

Maintenance Burden

Distributed electronics and connector inspection

Architecture targets reduced electrical clutter

05 / PILOT & GRANT DILIGENCE

Advancing Solar Fire Safety Through Physical Engineering

Advancing Solar Fire Safety Through Physical Engineering

Hanscombe Technologies is an independent R&D initiative founded by Sandor Bogdan, developing a patent-pending mechanical alternative to solid-state rapid shutdown. We are actively seeking engineering advisors, academic research partners, and early-stage grant opportunities to validate the prototype.

INSTITUTIONAL INQUIRIES / TECHNICAL PILOTS

CONTACT / COLLABORATE

HANSCOMBE TECHNOLOGIES

South Pasadena, California

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