Machine with three-phase motor

The machine has a three-phase motor (2), driving the machine, having a power supply interruptible by a radio operated emergency switch (4). A phase field monitoring (9) equipment and phase failure detecting equipment (10) with a restart protection are provided together in a physical unit (11) above...

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Bibliographische Detailangaben
Hauptverfasser:	HOEHN, EDGAR, ESSELBORN, WOLFGANG, HENKES, DIRK
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING LIGHTING MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SAFETY DEVICES IN GENERAL THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The machine has a three-phase motor (2), driving the machine, having a power supply interruptible by a radio operated emergency switch (4). A phase field monitoring (9) equipment and phase failure detecting equipment (10) with a restart protection are provided together in a physical unit (11) above the switch and connected to the supply. The unit is held in/behind an activation button of a hand-activated emergency switch. Maschine (1), die mit mindestens einem Drehstrommotor (2) betrieben wird, dessen Spannungsversorgung im Störfall von einem über Funk betätigbaren Notschalter (4) unterbrechbar ist. Um das Sicherheitsniveau der Maschine (1) wesentlich zu erhöhen, wir vorgesehen, daß in die Spannungsversorgung sowohl eine Vorrichtung zur Drehfeldüberwachung (9) als auch eine Vorrichtung zur Phasenausfallerkennung mit Wiederanlaufschutz (10) geschaltet ist.