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Posted: 2024-09-19 03:46 PM . Last Modified: 2024-11-22 04:25 AM
I’m working in an electric utility as a civil engineer. I don’t have a good background in electrical and think it would be helpful if I understood it better. I work on the structures but I’d like to be able to understand what’s happening when I’m invited to meetings.
Can someone provide a simple explanation on how power distribution works?
Is it actual amperage that gets distributed? Is it watts?
How does the amount of power vary between a 25kV primary and a 120/240V secondary?
Also why is it 120/240V and not just 120V? Or just 240V?
I have lots of questions, anything helps!
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Posted: 2024-09-23 11:05 PM
Hello Yegget,
Thanks for reaching us.
Absolutely, we can help with that! 😊
Electric utility distribution involves the delivery of electricity from the transmission system to end users, like homes and businesses.
This process includes substations, transformers, poles, and wires to bring power to your neighborhood. The goal is to ensure a reliable and safe supply of electricity to meet the needs of consumers.
Power distribution involves the transfer of electrical energy from the source, usually a power plant, to homes and businesses. The primary goal is to deliver electricity reliably and safely to meet the demand of consumers.
In terms of what gets distributed, it's both amperage and voltage. Amperage (measured in amps) determines the rate of flow of electricity, while voltage (measured in volts) determines the force or pressure at which the electricity is delivered.
The amount of power varies between a 25kV primary and a 120/240V secondary due to the principles of electrical transformers. A 25kV primary system is designed for long-distance power transmission, where high voltage helps reduce energy loss.
The 120/240V secondary system is for local distribution to homes and businesses. The 120/240V designation indicates a split-phase system commonly used in residential areas. As for the 120/240V designation, it's because the standard residential service in North America is delivered as a split-phase system. This means that you get two 120V lines that are 180 degrees out of phase with each other, and a 240V line that's the combination of the two 120V lines.
This setup allows for more versatile use of electricity in homes and businesses. I hope this helps! Feel free to ask more questions if you have them.
Please find the below attached image for your reference.
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Posted: 2024-09-23 11:05 PM
Hello Yegget,
Thanks for reaching us.
Absolutely, we can help with that! 😊
Electric utility distribution involves the delivery of electricity from the transmission system to end users, like homes and businesses.
This process includes substations, transformers, poles, and wires to bring power to your neighborhood. The goal is to ensure a reliable and safe supply of electricity to meet the needs of consumers.
Power distribution involves the transfer of electrical energy from the source, usually a power plant, to homes and businesses. The primary goal is to deliver electricity reliably and safely to meet the demand of consumers.
In terms of what gets distributed, it's both amperage and voltage. Amperage (measured in amps) determines the rate of flow of electricity, while voltage (measured in volts) determines the force or pressure at which the electricity is delivered.
The amount of power varies between a 25kV primary and a 120/240V secondary due to the principles of electrical transformers. A 25kV primary system is designed for long-distance power transmission, where high voltage helps reduce energy loss.
The 120/240V secondary system is for local distribution to homes and businesses. The 120/240V designation indicates a split-phase system commonly used in residential areas. As for the 120/240V designation, it's because the standard residential service in North America is delivered as a split-phase system. This means that you get two 120V lines that are 180 degrees out of phase with each other, and a 240V line that's the combination of the two 120V lines.
This setup allows for more versatile use of electricity in homes and businesses. I hope this helps! Feel free to ask more questions if you have them.
Please find the below attached image for your reference.
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Posted: 2024-11-08 03:50 AM
What I recommend to you: https://www.electrical-installation.org
https://www.electrical-installation.org/enwiki/Definition_of_voltage_ranges
https://www.electrical-installation.org/enwiki/Quality_and_safety_of_an_electrical_installation
https://www.electrical-installation.org/enwiki/Power_loading_of_an_installation
and much more
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