Virtual detector for variable frequency speed regulator

The virtual detecting device for variable frequency speed regulator has digital I/O module in PCI slot of computer and bi-directional connected to the measured frequency variator, multifunctional data acquiring card, signal regulating module bi-directional connected to the multifunctional data acqui...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YUAN YING, QIAN KUANG, REN HAISONG, HU XINYU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CALCULATING COMPUTING CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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Beschreibung
Zusammenfassung:	The virtual detecting device for variable frequency speed regulator has digital I/O module in PCI slot of computer and bi-directional connected to the measured frequency variator, multifunctional data acquiring card, signal regulating module bi-directional connected to the multifunctional data acquiring card to receive the high voltage and low voltage signals from the measured frequency variator and to feed analog control signal to the measured frequency variator and the high voltage DC source, sensor for the end voltage of the measured frequency variator to be fed to the signal regulating module; and the high voltage DC source connected to the measured frequency variator, the signal regulating module and the load. The present invention is used to replace traditional instrument and has low cost, powerful versatility, high measuring efficiency and easy upgrading.