Circuit for realizing double-phase switching of power supply through single-phase switching of 220V alternating-current power supply and control method

Circuit for realizing double-phase switching of power supply through single-phase switching of 220V alternating-current power supply and control method

The invention discloses a circuit for realizing power supply double-phase switching by a 220V alternating current power supply single-phase line switch and a control method, comprising a power supply switch K connected with an input end of any phase line of a double-phase alternating current power s...

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Hauptverfasser: LIU QIANG, ZOU XINJUE, HUANG YUANHAI, ZOU PENGYOU
Format: Patent
Sprache:chi ; eng
Schlagworte:
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
SYSTEMS FOR STORING ELECTRIC ENERGY
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creator LIU QIANG
ZOU XINJUE
HUANG YUANHAI
ZOU PENGYOU
description The invention discloses a circuit for realizing power supply double-phase switching by a 220V alternating current power supply single-phase line switch and a control method, comprising a power supply switch K connected with an input end of any phase line of a double-phase alternating current power supply included in a power supply double-phase switching circuit, and realizing double-phase line power supply switching output through the power supply single-phase line switch K. The output end of the power switch K is connected with a buffer resistor R1 connected in series with a high-voltage power supply, is connected in series with an alternating-current current-limiting capacitor C2 through the resistor R1, is connected in parallel with a release resistor R2 of possible residual electric quantity during high-voltage power failure, and is connected in parallel with the negative electrode of a rectifier diode D1 and the positive electrode of a rectifier diode D2 through the capacitor C2. The method has the advan
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The output end of the power switch K is connected with a buffer resistor R1 connected in series with a high-voltage power supply, is connected in series with an alternating-current current-limiting capacitor C2 through the resistor R1, is connected in parallel with a release resistor R2 of possible residual electric quantity during high-voltage power failure, and is connected in parallel with the negative electrode of a rectifier diode D1 and the positive electrode of a rectifier diode D2 through the capacitor C2. 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The output end of the power switch K is connected with a buffer resistor R1 connected in series with a high-voltage power supply, is connected in series with an alternating-current current-limiting capacitor C2 through the resistor R1, is connected in parallel with a release resistor R2 of possible residual electric quantity during high-voltage power failure, and is connected in parallel with the negative electrode of a rectifier diode D1 and the positive electrode of a rectifier diode D2 through the capacitor C2. The method has the advan</abstract><oa>free_for_read</oa></addata></record>
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subjects CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
SYSTEMS FOR STORING ELECTRIC ENERGY
title Circuit for realizing double-phase switching of power supply through single-phase switching of 220V alternating-current power supply and control method
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