AUTOMATIC REGULATOR OF VOLTAGE FOR HYDRAULIC TRANSMISSION ARC-FURNACE

The utility model belongs to the field of automatic regulation of the power of an arc furnace. By using the second derivative of electric voltage u to electric current i, two devices with different symbols are matched with each other; a regulator can extract one of the multiple stages voltage signal...

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Bibliographische Detailangaben
1. Verfasser:	GAO PEIGENG
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MECHANICAL ENGINEERING OPEN SINTERING OR LIKE APPARATUS OVENS RETORTS WEAPONS
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Beschreibung
Zusammenfassung:	The utility model belongs to the field of automatic regulation of the power of an arc furnace. By using the second derivative of electric voltage u to electric current i, two devices with different symbols are matched with each other; a regulator can extract one of the multiple stages voltage signals provided by a furnace transformer directly from an electric furnace short network without switching. The automatic adaptive scope of arc voltage is 1; 4. The whole regulating work is omitted, and no daily maintenance is needed; the utility model can also simplify the loop structure of a matched servo valve and reduce the power consumption of the matched servo valve.