Author - lidinglong

What Is the Function of Commutator in DC Motor?

lidinglong2025-08-09T01:04:20+00:00In the field of electromechanical systems, the brushed direct current (DC) motor remains a foundational technology. Its ability to produce continuous unidirectional rotation from a DC power supply relies on a critical electromechanical component: the commutator. From an engineering perspective, the commutator is not merely...

What is the Function of the Commutator in a DC Motor?

lidinglong2025-08-08T00:49:10+00:00The Role of the Commutator in Brushed DC Motors: A Technical Analysis In the domain of electromechanical energy conversion, the brushed direct current (DC) motor remains a foundational technology. Its ability to generate continuous unidirectional torque from a DC power supply relies on a critical electromechanical...

How to Reverse a DC Motor?

lidinglong2025-08-07T00:53:16+00:00Reversing the rotation direction of a DC motor relies on altering the direction of the electromagnetic force acting on its rotor, which is determined by the current direction in the armature windings or the magnetic field direction of the stator. The specific methods vary based...

What is the difference between ac and dc electric motors

lidinglong2025-08-06T02:45:02+00:00Choosing the right electric motor may seem straightforward—until you reach a fundamental crossroads: AC (Alternating Current) versus DC (Direct Current). Understanding their core differences isn’t just academic—it affects everything from household appliances and industrial machinery to electric vehicles and renewable energy systems. Let’s explore what...

Can Brushless DC Motor Be Used as Generator?​

lidinglong2025-08-05T06:05:34+00:00Yes, a brushless DC motor (BLDC motor) can function as a generator, leveraging the principle of electromagnetic induction—reverse operation of its motor mode. This reversibility stems from the shared core structure: a permanent magnet rotor and stator windings, which enables bidirectional energy conversion between...

Which motor is suitable for a conveyor belt system?

lidinglong2025-08-02T09:34:40+00:00 In handling systems for quantitative dispensing equipment, high-precision jog (inch) operation is required to accurately position and dispense materials into designated containers. For such applications, stepper motors are highly recommended. To achieve higher torque and improved control, a stepper motor combined with a planetary gearbox...

How do you control the speed of a dc motor？

lidinglong2025-07-26T01:27:50+00:00How to Control the Speed of a DC Motor Controlling the speed of a DC motor is a key technology in industrial drive systems, with implementation methods closely linked to the motor's operating principles. The speed of a DC motor is primarily determined by three...

What is brushless dc motor？

lidinglong2025-07-26T00:52:29+00:00What is a Brushless DC Motor (BLDC)? A Brushless DC Motor (BLDC) is a type of DC motor that uses electronic commutation instead of traditional mechanical brushes for commutation. It belongs to the category of synchronous motors. Thanks to its advantages such as no brush wear,...

How to test a dc motor with a multimeter？

lidinglong2025-07-16T01:11:01+00:00How to Determine the Condition of a Motor Using a Multimeter You can determine whether a motor is working properly by measuring the resistance of its windings, the insulation resistance between the windings and the motor housing, and the current flowing through the motor. Today, we...

how to connect a dc motor？

lidinglong2025-07-12T03:02:48+00:00How to Connect a DC Motor? how to test a dc motor? The Following Tutorial Covers All Necessary Components and Is Suitable for Most DC Motor Applications. I. Identify Core Components and Their Functions DC Motor: The core actuator that converts electrical energy into mechanical energy. It has...