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Transformer Protector (TP)
The Mechanical System Designed to Fulfil the Last Line of Defense
When the decision has been made that a transformer cannot fail, the Transformer Protector is the engineered mechanical response.
This system is deployed when internal faults must be contained before explosion and fire occur — without relying on electrical detection or external power.
Where the Transformer Protector Fits
Transformer protection is a system-level strategy.
The Transformer Protector is one of its most critical executions.
The Transformer Protector is not a generic safety device.
It is installed only when the asset criticality justifies a mechanical system acting within milliseconds, independently from all electrical protections.
What it does
- No electrical signal
- No external power
- No software or logic layer
Passive. Mechanical. Non-electric.
Designed to operate when everything else is exceeded.
When Is the Transformer Protector the Right Choice?
The Transformer Protector is typically selected when:
- The transformer is classified as critical in the asset strategy
- Failure would lead to human, environmental, or systemic risk
- Replacement time is measured in months or years
- The installation requires a non-electric, passive solution
Typical applications
- Generation step-up transformers
- Transmission substations
- Nuclear power plants
- Critical, urban or industrial substations
