ELEKTRONISCHE BRENNSTOFFSTEUEREINRICHTUNG

An electronic gas turbine fuel control of the slave datum type, i.e. one including a circuit which generates a speed error signal, an electronic integrator which integrates that error signal to produce a speed datum signal and a difference amplifier comparing the speed datum signal with the actual e...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JOHN HINDMARSH,GRAHAM, FRANK SAUNDERS,ARTHUR
Format:	Patent
Sprache:	ger
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	An electronic gas turbine fuel control of the slave datum type, i.e. one including a circuit which generates a speed error signal, an electronic integrator which integrates that error signal to produce a speed datum signal and a difference amplifier comparing the speed datum signal with the actual engine speed to produce a fuel error signal, incorporates a surge detection and recovery circuit. For detection the rate of change of the fuel error signal is derived and compared with a reference value varying with engine conditions. For recovery, if the rate of change exceeds the reference value for a predetermined time during acceleration, the speed error signal is caused to go negative for a fixed period to ramp the integrator output downwards, after which acceleration is allowed to recommence.