Excitation / AVR
Ventilation/dehumidification — the silent 24/7 load, with heat recovery. Part of the glass family — like our glass BESS, biogas plant and CHP.
Outdoor air → Fresh air → Heat recovery → Heating coil → Hall → Exhaust
Ventilation/dehumidification — the silent 24/7 load, with heat recovery. Part of the glass family — like our glass BESS, biogas plant and CHP.
The AVR keeps the generator voltage constant at 400 V (±5 %); excitation voltage typically 40–60 V — deviations indicate controller or winding faults.
connect… · anonymous reference plant · read-only from the process control system, calculated in-house active power … kW reactive power … kvar apparent power … kVA cos φ … Gen-voltage … V frequency … Hz excerpt from … plant measurements. To the detailed explanation page with video →
Monitored: continuous
The scenario: a drifting excitation shifts the cos φ without triggering a limit value, reactive power costs, or grid issues. The AI: detects the shift in proportion early and reports it before the protection reacts. It identifies the trend before the limit value is reached.
Stable voltage control prevents overheating of the windings and ensures the service life of the CHP unit generator. Early detection of controller faults minimises unplanned downtime. Stable excitation guarantees a constant power output to the grid. Active power (kW) · Reactive power (kvar) → — kVA apparent power Calculation path: √(active power² + reactive power²)
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