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The motor control circuit for forward/reverse rotation in accordance with claim 1, wherein the driving circuit further includes a first diode, a first resistor, a first capacitor, a second capacitor and a third capacitor, the first diode is connected with the first resistor and the first capacitor, the second capacitor and the third capacitor are connected with the driving IC.ĥ.
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The motor control circuit for forward/reverse rotation in accordance with claim 1, wherein the Hall IC is a three-pin IC or four-pin IC.Ĥ. The motor control circuit for forward/reverse rotation in accordance with claim 1, wherein the driving source is a DC voltage source.ģ. A motor control circuit for forward/reverse rotation comprising: a driving circuit including a driving source, a Hall IC and a driving IC, wherein the driving source provides a signal to enable the Hall IC to output a control signal to the driving IC a switching circuit located between the Hall IC and the driving IC, wherein the switching circuit is utilized to change the transmitting direction of the control signal, the driving IC generates a driving signal according to the transmitting direction of the control signal and a motor coil winding for receiving the driving signal and deciding motor rotating direction according to the driving signal.Ģ. Inverter circuit for converting DC power to pulse wave powerĭrive circuit for an alternate phase brushless DC motorġ.
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Pulse-width modulation speed controllable DC brushless cooling fan Motor drive circuit and motor drive system using the circuit thereof Motor driving circuit with filter condensersĮlectric means for driving single-coil motor
Forward and reverse motor spool generator#
To transfer wire in the opposide direction with the EMPTY SPOOL on the LEFT and the FULL SPOOL on the RIGHT, set the FULL Spool controller to CW, LOW SPEED SETTING and set the EMPTY SPOOL CONTROLLER TO CCW, MEDIUM TO HIGH SPEED setting and the EMPTY spool controller will overpower the full spool controller which will effectively act as tension because it wants to go opposite direction but lacks enough power due to the low speed setting.įorcing either motor in opposite direction should cause it to act as generator but diodes should shunt reverse polarity to GND.AC fan motor driving circuit having detecting current wave capabilityĭirect current motor drive circuit and fan motor including the same QUESTION: Will forcing an H-bridge dc motor controller in a direction counter to the one it is trying to drive in cause any damage to the drag tensioner controller, assuming rectifier diode are place across the mosfets with cathode to +V motor (where P-channel mosfet Source is connected) and anode of diode connected to Drain of mosfet (opposite polarity for N-channel mosfet: Cathode to Drain, Anode to Source of N-channel mosfet.) Is this concept sound or will it damage the controller that is driving the motor used as the tensioner ? The idea is, by setting the FULL wire spool controller to reverse (LOW speed setting) and the EMPTY wire spool controller to FORWARD (MEDIUM TO HIGH speed setting), the EMPTY SPOOL will OVERPOWER the FULL spool and start winding the wire on the EMPTY SPOOL. To spool from spool A to spool B, Controller for A is set to slightly CCW direction, Controller B is set to CW DIRECTION but speed is moderate to fast.Ĭontroller A serves simply as ‘drag tensioner’ because controller B is pulling it in opposite direction to what it is set for. The more you turn it in either direction the faster it goes. (center is off, CCW is one direction CW is other direction. Concept: Two wire spoolers, each driven by 24V dc motors and bidirectional speed controllers that have a simple knob to select direction and speed.