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Switch Control

Index 15

GA series IGBT half bridge, high side switch and low side switch type module cut-away drawing

Published:2011/4/8 2:05:00 Author:may | Keyword: IGBT half bridge, high side switch, low side switch, cut-away drawing

GA series IGBT half bridge, high side switch and low side switch type module cut-away drawing
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Soft switching schematic circuit diagram

Published:2011/4/2 3:52:00 Author:may | Keyword: soft switching

Soft switching schematic circuit diagram
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IR2110 pin array and internal function principle block diagram

Published:2011/4/7 3:47:00 Author:may | Keyword: pin array, internal function principle

IR2110 pin array and internal function principle block diagram
IR2110 is a kind of two-channel high voltage, high speed voltage type power switch device grid driver. It has boot floating power. Its drive circuit is very simple. It only use one way power supply and can drive up and down bridge arms at the same time. It can not generate negative, and is weak in anti-interference. (View)

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Lights in building passageway automatically delay turning off circuit diagram

Published:2011/4/6 3:49:00 Author:Ecco | Keyword: Lights in building passageway, automatically delay , turning off

Lights in building passageway automatically delay turning off circuit diagram
Lights inbuilding passageway automatically delay turning off Figure 38 is saving circuit of the building corridor lighting, when people walk into the building corridor, press any buttons, SJ relay closes, delay normally closed point of SJ closes, lamp turns on, and then people start walking, until get indoors, the delay normally closed point opens after a period of closing time, so that the corridor lights automatically turns off. The time delay relay in the circuit uses JS7-44 power-off delay time relay. Coil voltage is 220V. The power-off delay time relay works after the coil gets electricity, and make SJ closes, and breakes in a delay time after the coil being power-off. This method is simple. (View)