The Glass CHP · CHP

CHP unit in summer: Auxiliary cooler required?

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

CHP unit in summer: Auxiliary cooler required?
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

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Understand
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See it live
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What the AI does
Your benefit

What is "CHP unit in summer: Auxiliary cooler required??"

In summer, the heating network takes very little heat; without an auxiliary or cooler, the engine protection temperature forces a shutdown — an auxiliary cooler (air register cooler) ensures year-round operation and full-load hours.

The plant — right now

connect… · anonymous reference plant · read-only from the process control system, calculated in-house Flow temperature … °C Return temperature … °C Buffer top … °C Buffer bottom … °C Excerpt from … plant measurements. To the detailed explanation page with video →

What the AI reads from these values

What the AI reads
  • Deviation of the flow temperature from the setpoint (indicator for insufficient heat extraction)
  • Increase in cooling system temperature (early warning before engine protection shutdown)
  • Difference between actual and setpoint temperature in the primary circuit (determination of heat demand)
  • Operating time of the auxiliary cooler valve (analysis of summer load constraints)
Scenario

Monitored: continuous

The scenario: the temperature difference decreases, the CHP unit extracts less heat, resulting in lower overall efficiency and cogeneration benefit. The AI: detects the shrinking temperature difference early, before the amount of heat drops visibly. It identifies the trend before the limit value is reached.

Why this matters

Ensuring full-load hours through an auxiliary cooler prevents downtime and secures guaranteed feed into the power grid. An integrated air register cooler enables stable operation of the CHP unit regardless of seasonal heating load. This protects engine components from overheating and maximises the profitability of the plant. Heating water flow rate (m³/h) · Flow/return temperature difference (K) → — kW thermal Calculation path: flow rate × temperature difference × 1.16 kWh/(m³·K) (water)

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