Questions tagged [power-generation]
Refer to either Bulk Power Generation (i.e., large thermal power plants), Distributed Energy Resources (i.e., small-scale wind and solar generation), Renewable Energy Generation (i.e., larger-scale wind and solar generation).
122 questions
Score of 2
2 answers
555 views
A City Without Power Factor Correction
It seems all of my home's ACDC conversion (for LED lighting, dishwasher, computers, televisions, etc) has no "Power Factor Correction" and therefore only draws power at the peaks of the 120V ...
- reputation score 936
Score of 1
2 answers
240 views
Why is 3-phase power the standard for generation and transmission instead of 2-phase (180°) or 4-phase systems? [duplicate]
I am an electrical engineering student trying to understand the fundamental design choice behind the global adoption of 3-phase power systems. I understand that 3-phase systems provide a constant ...
- reputation score 99
Score of 2
2 answers
231 views
What are the sources of noise for electricity in a power grid?
What are the sources of noise for electricity in a power grid?
Is noise picked picked up in transmission lines, transformer stations, or elsewhere, or is noise primarily do how the power is generated?
...
- reputation score 580
Score of 3
0 answers
133 views
How can grid frequency decrease while voltage increases, or is information incorrect
A recent question that referenced the 2025 Iberian Peninsula black-out, sent me to Wikipedia.
According to their timeline of events
12:32:57 – 12:33:17 CEST – a series of generation trips in ...
- reputation score 35247
Score of 8
2 answers
491 views
Is overvoltage possible in a grid with only rotating generators?
On the 28th of April 2025 a major blackout occurred in Spain and Portugal.
The European transmission grid operators provided an analysis report describing what happened that day without identifying ...
- reputation score 603
Score of -1
2 answers
145 views
Does this setup for power generation work?
So I went across this website claiming to produce electricity using a promising technology: company's website
It says that, developed by experts in thermodynamics, metallurgy, and nuclear engineering, ...
- reputation score 3
Score of 1
0 answers
93 views
Voltage drop from magnetic generator to inverter
I have a three phase, 4000 w magnetic generator that is attached to a bridge rectifier. I have a 5000 watt inverter I am trying to use. When the generator spins and creates electricity I noticed ...
- reputation score 21
Score of 1
1 answer
118 views
Charge controller for small lithium Ion battery under load
I am wanting to use a 3-pahse brushless motor to charge a lithium ion button battery LIR2030 whilst the battery is under load. The load is a MCU with some storage possibly a blue tooth module (we'll ...
- reputation score 184
Score of 0
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73 views
Does an array of Peltier module need a diode between each module?
I have a bunch of Peltier module that I wish to connect in series/parallel and use them as a thermopile generator. However I was wondering if its necessary to attach a diode between each module (see ...
- reputation score 11
Score of 2
2 answers
1557 views
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 @ ...
- reputation score 21
Score of 1
1 answer
73 views
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 ...
- reputation score 27
Score of 5
2 answers
1059 views
Does speeding up a diesel generator result in a better load response?
If I speed up my prime mover (500 kW CAT diesel generator) from 60 to 61 and 62 Hz 1800/1830/1860 rpm and hit it with 25/50/75/100 percent load steps, how much, if any kW/HP is gained?
I am simply ...
- reputation score 53
Score of -1
3 answers
180 views
Water turbine generator
I have a 5.5 hp 3-phase induction motor, 440 V, 60 Hz, 1760 rpm attached to water turbine wheel that I would like to utilize as line source for home power generation.
May I know the additional circuit ...
- reputation score 1
Score of 1
1 answer
188 views
Is it ok to short two phases of a wind turbine together through a transformer?
I have a wind turbine that I intend to measure the speed of by measuring the frequency between two of the phases and then relate the value to the speed of the generator.
The frequency meter couldn't ...
- reputation score 420
Score of 3
1 answer
152 views
Why does AS3001:2008 Transportable Structures explicitly deny a separate earthing electrode?
As the title says, if a generator is providing a TNS earthing system connected to a transportable structure through a detachable connection, why does AS3001 state:
Isolation of the protective earth ...
- reputation score 89