Explosion -proof frequency converter direct current capacitor discharge system for mine winder
The utility model relates to an explosion -proof frequency converter direct current capacitor discharge system for mine winder, include: discharge circuit 3, rectifier circuit 1, charging circuit 4, direct current side tank 2, control circuit 5 in advance, direct current side tank 8 first input end...
Gespeichert in:
Hauptverfasser: | , , , , , , , , |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | The utility model relates to an explosion -proof frequency converter direct current capacitor discharge system for mine winder, include: discharge circuit 3, rectifier circuit 1, charging circuit 4, direct current side tank 2, control circuit 5 in advance, direct current side tank 8 first input end links to each other with rectifier circuit 1, the first input end and in advance charging circuit 4 link to each other, direct current side tank 8 output links to each other with discharge circuit 9, discharge circuit 3 is connected by vacuum contactor KM and the high pressure resistant resistance R of miniwatt electricity and is constituted, and directly connect in parallel and just inclining at the direct current in the both ends of discharge circuit, the negative pole both ends, the utility model discloses can avoid a series of dangerous phenomenons emergences such as maloperation, its simple structure, little, the discharge time weak point of resistance power. |
---|