Questions tagged [alternator]
Electrical generators that produce alternate current.
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Alternator output voltage calculation
I have an RO60 KV115 Lite alternator without a hall model. Using this alternator, I want to design a three-phase full-wave rectifier circuit using a shotkey at 8000 rpm. What will the DC output ...
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Best way to rectify low frequency AC voltage
I need to build a circuit that can rectify an AC voltage coming from a scooter engine to bring it to a stable 5V DC.
The main problem is that the AC voltage source has a variable frequency that varies ...
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What are the advantages of an eight diode 3 phase full bridge rectifier?
I'm replacing my car's alternator, and tearing the old one apart, as you do. The alternator is wired in a Y configuration with 8 diodes, 2 on the neutral point, and then the standard 2 on each of the ...
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I am running 10 kVA alternator from 10 hp motor and need some technical clarification
Here is my equipment:
I am using solar controller to run motor which runs alternator which generates electricity and which is used for my house 🏡 requirements.
10 kVA single phase 220 V, 50 Hz @ ...
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Calculate alternator power from open voltage and short current
A 3-phase BLDC motor, used as an alternator, outputs 3V open-circuit and 5A short-circuit at a given RPM. How can you calculate or at least estimate its useful power at that RPM if we connect it to a ...
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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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Is a high-amp car alternator three phase or single phase power? (12 V, 150 A machine)
I am in mechanical engineering, and have only worked with three-phase power. I modeled a 12V, 150A car alternator as a three-phase electrical machine simply based on when I look up what most ...
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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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Permanent magnet alternator: what happens when windings get shorted together for voltage regulation?
Here is a typical scheme for a permanent magnet 3 phase alternator as found on many motorcycles and recreational vehicles, with rectification to DC via a diode bridge and subsequent voltage regulation ...
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What wiring diagram symbol is shown in this image?
What wiring diagram symbol is shown in this image?
This is from my automotive electrical class.
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Engine instrument panel with duplicate Charge light, one incandescent and the other LED [closed]
I have an engine in a boat. The ignition on switch, start, and heat are on a panel on the navigation desk. There is also a power LED, incandescent charge, and led oil light. All the engine instruments ...
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Simple way to connect together two car alternators such that power flow can be bidirectional?
As I understand, it's not good to power a vehicle with two alternators, unless those alternators are protected in some way so that their voltage outputs don't go unstable (and die). I have an engine ...
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Why connect a 3-phase alternator's star-point to a rectifier bridge?
I noticed while troubleshooting a Denso alternator that the stator's star point was connected to the rectifier bridge. While probing with a multimeter, I think the schematic looks something like the ...
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Adding a charging lamp indicator to an alternator not having a connection for it
I have this car alternator wired as follows:
So it's connections are: B+ output for charging the battery, one brush to the regulator sense wire (exciter), and the other brush to ground. Is it ...
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Will two alternators in parallel share the load all the time or will switch the load from one alternator to the other?
If two identical voltage sources are connected in parallel and supplying a load the load current will be the same since the voltage is the same, but each source will supply half the current demanded ...
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