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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Advantages of DDS over arbitray function generator

DDS and arbitrary function generator are digital function generator, and both of them are generate sample from memory, so how to differentiate DDS and arbitrary function generator in term of the ...
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56 views

How to identify the type of function generator

As the model of the function generator TEKTRONIX AFG 3022B didn't mention what type is it? DDS function generator, or analog function generator or digital function generator? so how to identify it?
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26 views

can we design our own blocks in xilinx system generator [on hold]

Iam doing morphological operations on image using system generator by designing our own blocks(custom blocks) in my project.My doubt is can we really design our own blocks which are unavailable and ...
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43 views

compressor generator issue [closed]

I have an off grid place. I have a 5KW diesel generator. I also have a 5KW inverter. I run 120v 30 amp through the building. I use solar and eight huge 6v lead acid batteries for storage. I just ...
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4answers
163 views

Importance of keeping the electricity network frequency stable

The frequency in the electricity network is kept in balance by primary and secondary control among others (see e. g. here). I read that frequencies below 47.5 Hertz are dangerous and can lead to ...
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41 views

What does 'Braked Voltage' mean on a charge controller?

Here is the complete specs of the controller. Battery rated voltage: 12v Wind turbine rated power: 300w Wind turbine braked voltage: 15v Recover voltage: 13.5v Quiescent dissipation: <8ma ...
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3answers
50 views

Meaning of “with respect to rotor and stator”

In the following example, when it says “with respect to stator” and “with respect to rotor”, did they mean the rotor part of the synchronous generator in both cases? Example: The excitation field in ...
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1answer
31 views

Windmill generator voltage-regulation with clamping diode

I am making a windmill powered generator. The charge controller I have is rated for a maximum input of 15V. I want to protect the controller in the event of high voltage spikes produced in a wind ...
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1answer
43 views

power cable connection inside ATS [closed]

it is known that ATS is used to switch power between generator and utility. but what will happen if we interchange the connection of power cable in the wrong way.(on ATS contact for utility and ...
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4answers
102 views

Simple broadband RF generator [closed]

How to make a generator of RF signal which have multiple signal outputs ? Details: ...
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1answer
45 views

Home Built Hybrid EV Battery Charge current limiting

I have a hybrid EV that I'm working on which uses 2 48V DC motors with a maximum load of 300 Amps each, for a total maximum load of 600A. I have 2 alternators running off a gas engine generating 125 ...
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1answer
124 views

What makes automotive alternators so inneficient relative to other applications?

Automotive and some marine alternators typically have an efficiency curve with a peak of 60%. Image from http://www.intechopen.com Whereas alternators to other types of applications reach 96% of ...
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153 views

Dc motor as a generator-Characteristics

I am using a DC motor as a generator for my small toy/experiment. The problem is that the motor/generator can not provide enough counter EMF or torque or whatever the correct word is. So the rotor on ...
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2answers
80 views

Is it possible to use coolers/fans as wind powered generators?

Is there a way to make a fan/cooler generate electricity by rotating its blades using the forces of nature? I just tried rotating different coolers and fans I have at home with a 2 volt pocket ...
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3answers
160 views

How does one estimate the electrical power of a power plant?

I've asked several people how a power plant creates power (i.e. currents and voltages) and I found that they were unsure. In addition, I’ve done several searches to get more information, and I was not ...
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2answers
120 views

Load on a generator

I am really stuck on this and I couldn't find any references on the internet regarding this. When a load is connected to a generator, why does the current withdrawn from the generator increases. Since ...
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1answer
97 views

Creating power from shaft rotation

I am a mechanical engineer and am working on a project. This project consists of a rotating shaft and I would like to generate power from that rotating shaft.The shaft will not be rotating ...
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1answer
122 views

One shot pulse generator (5ns)

I tried looking and I found that DS1040 capable to generate one shot 5ns but the component already obsoleted. Is that any replacement part for DS1040 or any others IC with same features? Datasheet: ...
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1answer
120 views

How should I make a generator-powered rectifier/regulator charge a battery?

In my bicycle, I have a hub generator which provides alternated current, at nominal 6V / 3W. I have built a regulator/filter/rectifier, using a rectifier bridge, a 6800 uF electrolytic capacitor, and ...
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2answers
238 views

Is electricity wasted when energy generated by power plant is not in immediate demand?

After my second series physics course I have begin to wonder how power plants control energy production to match the usage of a city. There are several possible answers in my mind listed below: ...
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1answer
288 views

Improving an existing half wave rectifier circuit on generator

Background: Just upgraded my old Generac portable generator by replacing the rectifier which had gone bad. Here is the schematic. The old style rectifier that this unit used is no longer made or ...
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1answer
194 views

Clock generator with two inverters - how does it work?

I recently assembled a little electronics toy that flashes 10 LEDs one after the other. Unfortunately I do not understand why this circuit is able to provide a clock signal- it looks to me like the ...
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7answers
172 views

What's the name of this component?

What's the name of the thing that creates electricity if you add hot things to one side and cool to the other?
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2answers
105 views

Simple Gas Generator question

I'm a bit new to this stuff so please excuse my elementary question. A gas generator rated at 700 watts and 120V puts out about 5.8 amps. Is it possible to step down the voltage to 12V with a power ...
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1answer
177 views

Why would I get electrocuted if I touched a non-isolated power line with my feet on the ground?

AC is being produced at a power plant using, let's say, a giant dynamo. A coil is being rotated rapidly through a magnetic field thus generating AC current. This current is then regulated, transformed ...
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2answers
278 views

How to generate 30Hz sine wave?

I'm building a voice ring modulator. Part of it involves a 30Hz carrier sine wave to modulate the voice with. Since I'm trying to build a portable device it will be DC powered, and since a function ...
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1answer
79 views

Where are the losses in an inverter-type portable generator?

I have an inverter-type portable gasoline generator that is rated at 3kW / 3.3kW surge. In the service manual, the engine's power output is said to be 4kW. (The engine's displacement is 269cc). I am ...
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388 views

What is 'load' in percentage?

Aircraft Airbus 320 has two 110/220v 400 hz 90 kva generators, run by two engines. There is an electronic display in the aircraft that also shows the parameters of the electrical system. One of the ...
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406 views

what happens in a seperately excited DC generator when load increased

A book about electrical machines states as below ...
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1answer
128 views

I have a 220v /60Hz generator, I want modefie it into 220V/50HZ [closed]

I have a 220v /60Hz generator, I want modefie it into 220V/50HZ....Is it possible?
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2answers
933 views

The electricity grid: what keeps small power generators from being 'driven' by large ones?

This is a two part question and pertains to power generation: What prevents a larger plant (say nuclear) from turning an itsy-bitsy gas generator into an electric motor and drive current through it? ...
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2answers
1k views

What is the difference between an alternator and a generator?

What is the difference between an alternator and a generator ?
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225 views

ways to generate (small amounts of) electricity

I'm searching into ways of generating very small amounts of electricity, by small I mean enough to light a couple of leds, nothing more The main idea is to have toys that my daughters (2 and 4) can ...
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64 views

Regarding voltage regulation of a synchronous generator

My textbook somewhat ambiguously defines the voltage regulation of a synchronous generator as the difference between the induced EMF and the full load terminal voltage, divided by the full load ...
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4answers
387 views

Sawtooth generator not working - transistor wont discharge my capacitor

I have been trying to build a sawtooth generator using current source which linearly charges my capacitor and a comparator which was supposed to discharge my capacitor, instead it doesn't. Here is the ...
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326 views

Solid State Switch for magnet DC Generator

I'm using a flywheel-driven permanent magnet DC generator to charge up a bank of supercapacitors, 35 farad rated to 25V. For safety I limit the max charge to 22V via a comparator and a zener ...
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4k views

Hendershot generator w/unpolorized capacitors [closed]

does the Hendershot fueless generator work?
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707 views

Building a new dynamo bike light

So here is the deal, for the 2nd time in less than a year, my halogen bike light on the front has popped due to cold. This is rather bothersome and I can't find any nice inexpensive LED alternatives ...
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1answer
254 views

Simple generator to light a series of LEDs question

Playing around with a simple circuit idea with friends but none of us have really worked with circuits since college so we need a little guidance. The thought is to have a small generator (someone ...
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1answer
157 views

DC Generator to AC Alternator Retrofit [closed]

I want to put together a proposal into retrofitting the damaged DC generator with an AC alternator, and fitting the two other working generators with AC alternators. The diesel engine is still ...
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2answers
279 views

How to create a square wave signal with 120MHz

What is a cheap way to generate a square wave with a frequency of 120MHz. I've been thinking of the following solutions: * Use a Raspberry Pi, then use a timer or something from that board * Use an ...
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1answer
187 views

Electrical Generator Windings - Is there an “ideal” way to wind?

I've got a question that's been bugging me for a while. Is there a "best" way to position a magnet and wire coil inside a generator? I saw a "how-to" on how to build a wind power plant and they had ...
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1answer
153 views

What is this equipment called?

In this video at 0:40, what is the equipment he is using to power the motor? It seems to be some sort of torque leveraged device (forgive my ignorance). ...
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2answers
170 views

How can I add white noise to a low-noise 2 Mhz sine signal from the signal generator?

I want to add a defined level of noise to a low-noise/exact signal generator which produces around 2 Mhz. I heard Zener diodes should be good for that job. But how can I get a defined level of noise ...
0
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1answer
580 views

What's the best method for generating 5V at 2A?

I'm trying to make a crank DC charger. I understand the voltage regulation circuitry and (if needed) the bridge rectifier circuitry, but I'm still a total noob. I'm wondering what is the ...
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1answer
105 views

Help with grounding a generator on a running vehicle

Ok, this may be basic, but I can't seem to find a solid answer. If I have an AC generator in use on-board a running vehicle (that is being driven), is a GFCI enough or must some sort of grounding be ...
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3answers
3k views

Explanation for Differing Stator Winding Orientations

As a layperson, I'm trying to understand the basic configuration for an induction motor or generator. I've looked at many diagrams and photos/cutaways of stator wiring and I've noticed two different ...
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4answers
885 views

What is the slip factor for an induction generator in an island network?

Most textbooks covering induction machines cover only the motor use-case scenario. When the machine is used as a motor, the slip factor is determined by the frequency of the stator current by the ...
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4answers
530 views

How to fake an encoder signal with one function generator?

I wish to be able to have a encoder quadrature signal that I could set the frequency to some specified values (from 10 to 60 Hz). I have a function gen that fulfills the freq requirements but it has ...
4
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1answer
177 views

Why not run high power truck-mounted electronics from the truck's engine?

At Burning Man, I see a lot of "art cars" based on internal combustion engine platforms using generators separate to the original vehicle's engine to power their LED displays and sound systems. Why ...