Any DC motor with permanent magnets can easily be a generator. It doesn''t matter whether it is brushed or not; brushless motors make great generators …
Sep 25, 2014 at 18:25. yes, the rear wheels are driven either by electric motors, or mechanically, while the front wheels have the brushless DC motors attached to them so as to recover electric energy. – user3046538. Sep 25, 2014 at 18:28. 1. Discussion of perpetual motion machines is off topic here, in addition to be pointless, of course.
Design Equations for BLDC Permanent Magnet Generators
generators can be optimized using FEA techniques, provided appropriate figure(s) of merit and performance metrics are utilized as design objectives and constraints. A BLDC generator for energy-harvesting was designed to produce 50-200 watts at shaft
The "BLDC" motor/generator will be connected to a 1.5KW, 2.011HP and 10,000RPM Max water cooled engine. The reason for a brusheless motor is due to its ratios of weight to power and many are water cooled to make further use of a pre-existing cooling system already in place. The brushless motor i have found that seems to be best suited to the ...
Best most efficient motor type to be used as a DC generator
Feb 18, 2019 at 19:19. 1. @MarcusMüller Remove controller and drive motor mechanically and a BLDC is a pure ac generator. Add 6 diodes and it works like a car alternator. Given the variety of BLDC motors, including low rpm used in electric bikes, and they are the optimum choice as a generator. – StainlessSteelRat.
Wind turbine generator: brushed or brushless DC motor?
reliability. it can work in harder conditions (brushed motors have much worse tolerance for humidity, dust etc.) no brushes friction. no brushes voltage drop. smaller rotor inertia (same power brushless motor is smaller) generally better by design. Add a comment. 18.8k.
Shad0w7. 103 2. 1. A motor for 40kW to be used as a generator will likely be heavier than a generator specifically designed for 40kW. – Solar Mike. Aug 16, 2020 at 21:07. 1. If a motor is rated to spin at 1000RPM/V, then you can expect that if you spin it at 1000RPM it will produce about a 1V (ignoring loading).
It may surprise design engineers that both Brushed DC and Brushless DC (BLDC) motors can operate as generators. A brushed DC motor is appropriate for generator …
18,224. Jul 11, 2016. #6. If the battery can use all the 70 amps, just connect the battery to the rectifier and the battery will load down the generator to 5 volts. If the battery can''t use up 70 amps, you will need a 5 volt regulator that can pass 70 amps. If you know what kind of battery it is, you can find the voltage to set the regulator for.
Generator from brushless motor? | Endless Sphere DIY EV Forum
I''m trying to use a 3-phase brushless motor (RC motor) as a generator for a series-hybrid vehicle and don''t know what kind of electronics are best suited for my purpose. I want to use the RC motor to keep a battery fully charged. Some things I know. I have 9 kW mechanical power readily available at 6000-8000 rpm.
Brushless motor commutation can be implemented in software using a microcontroller, or may alternatively be implemented using analog or digital circuits. Commutation with electronics instead of brushes allows for greater flexibility and capabilities not available with brushed DC motors, including speed limiting, microstepping operation for slow and fine …
Brushless Dc (BLDC) motor as generator | wind turbin generator …
Test power BLDC(brushless) motor generator ushless Dc (BLDC) motor as generator | wind turbin generator solutionbrushless motor 1000kv Power : more than 10...
Rule No. 1: For generation of DC voltage, users should select a brushed DC motor or use a brushless electronically commutated (EC) motor with voltage rectifier. For the generation of AC voltage, users …
Running Brushed DC Motors as Generators | Machine Design
Sunil Kedia. Design engineers know that both brush DC and brushless DC (BLDC) motors can operate as generators, but many tend to avoid running brushed DC motors in generating mode because they ...
Using a Turnigy Brushless Outrunner Motor as a GENERATOR
aka: A.Roger Wilfong. As Lancer noted, the motor is similar to the alternator found in cars of the last 50 years. Despite common beliefs, brushless motors are not DC devices, but are 3-phase AC devices. One of the functions of the ESC to to convert DC from the battery into 3-phase AC for the motor. If the motor is spun, it will generate 3 …
Things looked even better when the windings were rewired from delta to wye configuration. The take-home lesson is probably to use a generator where you need a generator and let motors be motors ...
Make 220v Electric Generator using Brushless Gear Motor BLDC …
In this video, i will use an old photocopy machine bldc motor to make a 220v low rpm AC Brushless Generator for running home appliances like lights and fans .... In this video, i will …
If the generator is used to do brushless dc motor work, its own conditions are not appropriate, it has no way to achieve speed regulation function. Therefore, brushless DC motor is not suitable for being used as a generator, and it is impossible for a generator to replace a brushless dc motor. Plz Calculate (9 - 5) =. (Your comment will show ...
Rule #1: For generation of DC voltage select a brushed DC motor or use a brushless EC (BLDC) motor with voltage rectifier. For the generation of AC voltage, select a brushless EC motor and connect 2 phases only. Hall sensors are not needed on brushless motors.
1.1 Basic equations. Driving the motor shaft, a voltage proportional to the shaft speed is generated in the motor. where. Uind = Induced voltage (V) kn = Speed constant of the motor (rpm/V) kg = Generator constant of the …
Brushless 3-phase motor (BLDC) in generator mode dropping …
The old motor is not powerful enough, so I upgraded to a stronger, brushless motor with 5000w power rating. Here''s the problem: as I unspool the line from this motor, it builds torque until it reaches a certain value (130lb in my case), and then the current and torque suddenly drop to zero and then build up again, then drop again.
Key Concepts For Running a Brushed DC Motor as a Generator
This blog post provides an overview of two of the key engineering concepts to remember when considering using a brushed DC motor as a generator. Back EMF. Back-EMF is directly proportional to the angular speed of the motor shaft rotation. When a motor operates as a generator, its shaft is mechanically coupled and rotated by an external …
hello everybody, following a discussion of 2012: Using a Turnigy Brushless Outrunner Motor as a GENERATOR where Ron Van sommeren and Bruce Abbott gave a relevant contribution There are some threads below in the - Similar Threads - list. But I have to ...
Rule #1: For generation of DC voltage select a brushed DC motor or use a brushless EC (BLDC) motor with voltage rectifier. For the generation of AC voltage, select a brushless EC motor and connect …
