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The Glass CHP · Battery storage

Highest cell vs. lowest

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

Highest cell vs. lowest
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
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Understand
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See it live
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What the AI does
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Your benefit

What is Highest cell vs. lowest?

> Monitoring of the cell voltage difference (Cell Delta) is a critical parameter for the lifespan of a battery energy storage system (BESS). It serves as a direct indicator of internal resistance and the homogeneity of the cell assembly. A high discrepancy between the highest and lowest cell leads to local overcharging or deep discharging of individual cells.

Bound to the register

live Bound to register cell_v This Wizard is linked to a real register. The value is read as read-only and calculated in-house — nothing leaves the site. The value runs inside the container.

What the AI reads in this component

What the AI reads
  • Identification of cell imbalances to prevent premature degradation
  • Detection of local hotspots caused by high internal resistance in individual cells
  • Monitoring of SOC (State of Charge) homogeneity across the entire string
  • Early warning against thermal runaway due to uneven load distribution
Scenario

Monitored: continuous

The scenario: > Monitoring: continuous · Deviation over cycles The scenario: a slowly increasing gap remains unprotected until capacity drops significantly. The AI: detects the steady trend early — ageing becomes predictable. It identifies the trend before the limit value is triggered.

Why it is important

A minimised voltage difference extends cycle life and ensures the long-term profitability of the plant. Lower cell imbalances reduce thermal stress on the modules. This allows for a higher depth of discharge (DoD) and thus more sellable energy per cycle. highest cell voltage (mV) · lowest (mV) → — mV spread Calculation path: highest − lowest

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Standards & norms

What the rules require — Highest cell vs. lowest

Grounded in the applicable national standards for battery energy storage systems. 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.