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The Glass CHP · CHP

Spark plug

Ventilation/dehumidification — the silent 24/7 load, with heat recovery. Part of the glass family — like our glass BESS, biogas plant and CHP.

Spark plug
Outdoor air → Fresh air → Heat recovery → Heating coil → Hall → Exhaust
Glass-box in 4 steps

Understand → See it live → What the AI does → Your benefit

Step 1 of 4
1
Understand
2
See it live
3
What the AI does
✓
Your benefit

What is a spark plug?

Ignites the mixture at the correct crank angle; replacement interval typically every 4,000 operating hours — worn spark plugs cause misfires, increased exhaust temperatures and power losses.

The plant — right now

connects… · anonymous reference plant · read-only from the process control system, calculated in-house oil pressure … bar oil temperature … °C cooling water … °C speed … 1/min boost pressure … bar engine room … °C excerpt from … plant measurements. To the detailed explanation page with video →

What the AI reads from these values

What the AI reads
  • Misfires as an indicator of wear or defect
  • Increase in exhaust temperature (reference value: 506 °C) as a sign of incomplete combustion
  • Fluctuations in ignition timing to identify electrode erosion
  • Power loss of the CHP unit due to incomplete mixture combustion
Scenario

Monitored: continuous

The scenario: a gradual drop in oil pressure or a drifting temperature remains below the alarm threshold until the emergency shutdown occurs — at the worst possible moment. The AI: detects the deviation from normal operation early and reports it before the protection trips. It identifies the trend before the limit value is reached.

Why this matters

Early detection of ignition faults prevents thermal overloads and minimises unplanned downtime. Monitoring of spark plug parameters enables precise prediction of the replacement interval (typically 4,000 operating hours). This ensures the stability of exhaust temperatures and maintains the target efficiency of the CHP unit. electrical power (kW) · input gas power (kW) → — % elec. efficiency Calculation: electrical power ÷ gas power × 100

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Standards & norms

What the rules require — Spark plug

Grounded in the applicable national standards for combined heat and power plants. Same knowledge base as the European reference plant; presented anonymously.

Basis: the applicable national standards. Values shown are those measured on the plant, not target figures.