
Controlling motor speed with a potentiometer - Physics Forums
Jun 27, 2011 · I'm trying to control the speed of a DC motor by using a potentiometer, but am unsure what value resistance I should use. Having tried 500k, 10k and 500ohms, the motor stalled almost as …
How to control DC motor speed? - Physics Forums
Jul 3, 2012 · Hi everyone, I have a 24V, 15A D.C motor, and need to control its RPM. I know RPM is directly proportional to voltage, and so the answer lies in a technique to vary the voltage across the …
Cheapest Way To Reverse/Vary Speed of DC Motor - Physics Forums
Feb 17, 2014 · The discussion centers on finding a cost-effective method to reverse and vary the speed of a small DC motor for a senior design project. Key suggestions include using a 555 timer-based …
Controlling Motor Speed with PWM: Advantages and Alternatives …
Apr 5, 2006 · I need some help on lab questions... a short description: we are using Pulse Width Modulation (PWM) module of a 68hc12 microcontroller to control speed of a motor hooked up to the …
Can i adjust a 12V DC motor's RPM with a Dimmer? - Physics Forums
Jun 29, 2009 · Can i adjust a 12V DC motor's RPM with a Dimmer? designchick Jun 29, 2009 12v Dc Rpm Click For Summary
Understanding the Relationship Between Voltage, Frequency, and …
Jul 26, 2013 · So I've been working with variable frequency drives recently and am curious about what they're actually controlling: motors. So I'm curious how current and torque are related. So obviously …
Increase Pump Volume with DC Motor Speed Control - Physics Forums
Sep 18, 2008 · Increase Pump Volume with DC Motor Speed Control | Beginner's Guide jjackson927 Sep 18, 2008 Dc Dc motor Motor Speed Click For Summary
High Current 12V DC motor speed control - Physics Forums
Aug 26, 2019 · Hi. I am new here. I have a question on how to speed control a DC motor running a pump. The pump is a seawater cooling pump cooling a large V8 motor. Therefore I need to control …
How does a SCR controls the speed of motor • Physics Forums
Mar 29, 2015 · How does a SCR controls the speed of motor freshbox Mar 29, 2015 Controls Motor Scr Speed
Dayton AC Motor Speed Control: Risks & Solutions - Physics Forums
Jul 11, 2006 · Dayton AC Motor Speed Control: Risks & Solutions Shadrack Jul 11, 2006 Ac Ac motor Control Motor Speed Click For Summary