Questions tagged [generator]
A generator is a device that generates electricity from mechanical energy via different energy sources such as heat or kinetic energy of water.
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Maximum power transfer with constant source power
I am running tests on a stepper motor used as a generator. The stepper motor is directly coupled to a motor, which I can control with an ECS. In the ESC's software, I can choose to drive the motor ...
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30MHz signal that could drive a 100W load
I'm seeking an AC source or signal generator for a RF application with the following specifications:
Output bandwidth: 0-30MHz
Power output: 100W (necessary for sustaining a plasma)
The issue I'm ...
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Finding power rating of stepper motor used as generator
I have a stepper motor that I want to use as a generator for a micro wind turbine project, and I need to know how much power it can generate.
The stepper motor is a 57BYGH420 for Wantai Motor, and it ...
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Oscilloscope Low Sampling at uHz Sinus Signal
I tried to measure a sinus signal at 1000 µHz with my R&S RTC1000 oscilloscope (bandwith 300 MHz). The function generator that I used was the EDU33212A. I set the T/div=100s and the oscilloscope ...
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Supply voltage of BLDC motor increases during operation
I need some clarity on an issue I have been encountering with my BLDC motors.I am using 2 integrated driver BLDC motors to drive an RC truck sort of device, they run on 24v.
For the most part it ...
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function generator outputs - difference between 50 ohm and 600 ohm
I am trying to use a PCI-Quad04 board to count pulses (from a rotary encoder). In order to test out counting, I have a 1000Hz square-wave signal from a signal generator (BK Precision, 3011B) as ...
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Trouble getting current form BLDC generator
I am designing a battery charger using a BLDC motor attached to stationary bike, I was giving this project hoping to fix the current output because is delivering low amps to the charger even at ...
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Excitation of a brushless portable generator by a capacitor
I have a brushless portable generator whose excitation current is controlled by a capacitor.
I would love to receive a detailed explanation of how to get without any electronic card - manages to ...
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Questions About My Perpetual Motion Idea [closed]
Before you read any of this, this is just an idea. I am not an electrician, I am not a contractor, I am not a physicist, or anything like that. I just have an idea that i think could possibly work. I ...
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How can I smooth the output of a DC motor used as a generator?
I have a small DC motor acting as a generator, spinning at 500RPM. From it, I get 1V with ½V ripple, which a 1000uF electrolytic capacitor smooths nicely.
I may wish to drive the motor in reverse, ...
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Creating higher voltage from DC motor
I have a DC motor (5 V, 600 rpm). I use it as a generator. It produces near 1.5 V max.
This voltage may differ while using it in the application and I can't control it. I want to raise this voltage to ...
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Is voltage to frequency ratio of a permanent magnet alternator constant in different speeds?
We have a permanent magnet alternator. I want to know if we change the speed of rotation, are the output voltage and frequency increased by same proportion? Is V/f ratio constant in different RPMs?
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Calculating generator over-speed following sudden disconnection and delayed valve closure
I'm working on an exam question related to power systems and need help calculating the over-speed of a generator following a sudden disconnection from the grid. The question is:
A 475 MVA, 2 pole, ...
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Where does the electricity in electromagnets come from if permanent magnets from generators decrease their magnetic strength?
The question has been puzzling me for some time, I presume electrical power starts from generators, the heat produced by them(generators) cause their magnets to weaken and electromagnets have to be ...
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Why does the valve symbol have a Clase symbol,or short-circyit symbol before the earth [duplicate]
Could anyone explain to me why the valve symbol have a shortcircuit symbol or termination symbol before the earth???
