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  • Three-phase motor contactor button interlock action for swit

    2016-09-04 19:53:3362

    Just shown in the figure, STF, STR, SB1 and SB2 all are composite buttons. STF and STR are respectively positive and reverse button, which operate alon...

  • PM_DC_MOTOR_SPEED_CONTROL_

    2016-09-04 19:36:3468

    Speed control of permanent-magnet (PM) dc motors with the aid of optical or dc tachometers is generally inconvenient and difficult, particularly on mot...

  • Explosion-proof electric motor soft starter

    2016-09-04 19:25:0162

    QJR1 mining explosion isolation and intrinsic safety motor soft starter(Soft starter for short) is a high-tech product produced by our company. It adop...

  • Multifunctional Motor Protector (3)

    2016-09-04 19:06:4264

    When S1 is pushed, V5 is connected and K is connected. K1 K2 are connected and M begins to work. The current detection control circuit begins to work.W...

  • EDE1204 Bi-Polar Stepper Motor IC Connection via L293 H-Brid

    2016-09-04 18:59:5666

    AnEDE1204 driveris a 5-volt 18 pin integrated circuit or chip that is designed to control a bipolar (4 wire) stepper motor. It has the ability of speed...

  • Motor Phase Failure Protector (1)

    2016-09-04 18:59:4268

    When Q1 is connected and S2 is pushed, KM begins to work. KM KM2 are connected. If Q2 is connected, M will begin to work.When M begins to work, TA1-TA3...

  • Series-Wound Direction And Speed Motor Control

    2016-09-04 18:48:5965

    This is a motor controller circuit that control the speed and direction of series-wound Motors. This circuit employs silicon controlled rectifiers (SCR...

  • Motor Principle Tutorial

    2016-09-04 18:44:5961

    It is best if you read the page on the Magnetism first. When a current is passed through a wire which is suspended in a magnetic field, the wire will m...

  • AC_MOTOR_BRAKE

    2016-09-04 18:44:5862

    A shot of direct current will instantly stop any ac power tool motor. Switch S1 is a center-off, one side spring return. With S1 on, ac will be fed to ...

  • Tachless_motor_speed_controller

    2016-09-04 18:40:1464

    This circuit is particularly applicable to digitally controlled systems in robotic and X-Y positioning applications. The circuit controls from 20 rpm t...

  • Motor protector 17

    2016-09-04 18:39:1761

    This motor protector circuit is composed of phase pulse detection circuit, monostable trigger circuit, control circuit and power supply circuit, it is ...

  • DC_MOTOR_CONTROL

    2016-09-04 18:38:3166

    Developed for use in realistic Iunar lander simulation display. Throttle signal and altitude signal serve as inputs to microprocessor. Feedback positio...

  • Capacitor Start/Capacitor Run Induction Motor (TLC7528CNS)

    2016-09-04 18:37:3460

    This article describes the Capacitor Start / Capacitor Run Induction Motor (TLC7528CNS). The principle is very simple, very practical. The circuit comp...

  • DC Motor Stepless Speed Governor Circuit

    2016-09-04 18:31:4370

    This circuit board circuit is simple, its cost is not high and it is easy to make.The following is simple analysis of the circuit.220 V AC steps down w...

  • motor headlight auto-changing controller circuit(I)

    2016-09-04 18:27:3360

    Principle of the circuit The motor headlight auto-changing controller circuit consists of light control circuit and control implementation circuit, whi...

  • Single-phase motor main auto-winding voltage reducing and sp

    2016-09-04 18:13:0861

    As shown in the picture, the voltage reducing characteristic of the autotransformer can be used to reduce the voltage of main winding LR directly, so t...

  • Single-phase motor winding tap L-2 connection two-speed circ

    2016-09-04 18:01:49108

    As shown in figure, in the L-2 connection, the governor winding LD and the auxiliary winding LA are embedded in the same groove, so they have the same ...

  • Three-phase motor braking circuit 1

    2016-09-04 17:54:0265

    The circuit shown as chart is a simpledynamic braking circuit with addingan AC contactor KMB and rectifier diode VDon the basic ofthe original magnetic...

  • Mixer or Sewing Machine Motor Speed Control circuit

    2016-09-04 17:23:1068

    It will be effective to use simple half wave motor speed control with small universal ac/dc motors. Two amps RMS is the maximum current capability. The...

  • 555 simple motor phase failure and overcurrent protection de

    2016-09-04 17:23:0561

    As shown in the figure 10-21, AC hypotension rectifier circuit provides this circuit with VDD=12V voltage power. The current transformer takes anyone f...

  • Constant_current_motor_drive

    2016-09-04 17:22:4162

    Constant-current motor drive. All capacitors should be at least 50 working volts and resistors the half-watt type, except those valued at 0.4 ohm and R...

  • 2MOTOR_SPEED_CONTROL

    2016-09-04 17:21:2164

    Universal motors and shaded-pole induction motors can be easily controlled with a full-wave Triac speed controller. Q1 combines both the triac and diac...

  • Single phase shaded pole motor commutation circuit

    2016-09-04 17:07:3063

    Due to the stator structure and particularity of working principle, shaded pole motor can not use interchangeable winding terminals to change direction...

  • Servo control circuit of DC motor

    2016-09-04 17:04:1363

    In this circuit, accessing dc current to E, O will make the motor move to the position which corresponding withthe given voltage. When given voltageis ...

  • FULL_WAVE_REVERSING_D_C_MOTOR_DRIVE

    2016-09-04 16:57:2366

    Designed around two scr's with common cathode (SCR2 and SCR3) and two more with common anodes (SCR1 and SCR4). If load is d-c motor, plugging action oc...

  • LM378 24 V DC Proportional Motor Speed Control

    2016-09-04 16:52:1965

    National LM378 amplifier is used as a basis for economical proportional motor speed controller. This integrated circuit is able to deliver 700 mA conti...

  • DC motor dynamic braking circuit

    2016-09-04 16:52:0263

    When it is braking, pressing the stop button STP will make DC contactor KM be de-energized, the normally closed contact KM restores the closed state, s...

  • Permanent magnet brushless DC motor control circuit diagram

    2016-09-04 16:46:0163

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  • KA2402-motor speed-stable integrated circuit diagram

    2016-09-04 16:45:5564

    KA2402 is a DC motor speed-stable integrated circuit which is produced by South Korea's Samung, it is widely used in all kinds of super miniature, mini...

  • Motor protector 9

    2016-09-04 16:33:5061

    This motor protector circuit is composed of starting control circuit, phase failure detection circuit and protection implement circuit, it is shown in ...

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