Energy-saving starting control circuit for oil pumping motor
The utility model discloses an energy-saving starting control circuit for an oil pumping motor, which comprises a three-phase power supply, a protection unit connected in series with the three-phase power supply, an electric appliance unit connected in series with the protection unit, a first socket...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses an energy-saving starting control circuit for an oil pumping motor, which comprises a three-phase power supply, a protection unit connected in series with the three-phase power supply, an electric appliance unit connected in series with the protection unit, a first socket and a switching power supply connected with the three-phase power supply, an installation unit connected with the switching power supply, and the protection unit connected with the installation unit. The electric appliance unit comprises a fourth protection circuit breaker connected with the circuit break protection unit in series, the fourth protection circuit breaker is connected with the protector in parallel and connected with a third compensation capacitor, and the third compensation capacitor is connected with a smoke exhaust ventilator motor. The range hood motor is connected with a fourth compensation capacitor, star-shaped starting or triangular starting is intelligently selected, intelligent reactive pow |
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