# Advantage of High Voltage Electricity Transmission

• Illuminitwit
In summary, the advantage of transmitting electricity at a high voltage is to increase efficiency and reduce loss of charge over long distances. This is achieved through the use of step-up and step-down transformers, which help maintain a constant current and faster transmission. Utilizing online resources such as HowStuffWorks can provide further understanding on the topic.

#### Illuminitwit

I'm supposed to write a brief essay response to this question on my unit exam, and I don't exactly understand it. Please explain it to me, and then I can appropriately write the short essay. Thanks!

## Homework Statement

"The energy companies use step-up transformers to send high voltage electricity over their wires, then use step-down transformers to reduce the voltage when it enters your house. What is the advantage of transmitting the electricity at a high voltage?"

## Homework Equations

This is really just a concepts question, so I don't think I need to list equations. There aren't any given values in the question.

## The Attempt at a Solution

I don't really know why transmitting electricity at a high voltage has advantages or what the advantages are... I think it might have something to do with efficiency and/or conserving loss of charge over distances. Transformers have about the same output power (less in reality) to the input power. I think the current in sending electricity at high voltage is faster and more constant?

Last edited:
Illuminitwit said:
I'm supposed to write a brief essay response to this question on my unit exam, and I don't exactly understand it. Please explain it to me, and then I can appropriately write the short essay. Thanks!

## Homework Statement

"The energy companies use step-up transformers to send high voltage electricity over their wires, then use step-down transformers to reduce the voltage when it enters your house. What is the advantage of transmitting the electricity at a high voltage?"

## Homework Equations

This is really just a concepts question, so I don't think I need to list equations. There aren't any given values in the question.

## The Attempt at a Solution

I don't really know why transmitting electricity at a high voltage has advantages or what the advantages are... I think it might have something to do with efficiency and/or conserving loss of charge over distances. Transformers have about the same output power (less in reality) to the input power. I think the current in sending electricity at high voltage is faster and more constant?

Remember, you have other online resources besides asking the PF. We could try to give you hints to this FAQ, and have you figure it out over several posts, or you could do a little online reading, answer the question for yourself, and maybe just post an "is this right?" questions here.

Try HowStuffWorks to get some insight:

http://www.howstuffworks.com/power.htm

.

Thanks again! That was a really helpful link. I'll start looking there and like places more often.

Also, I'm sorry I've been posting several questions lately. It's just that I've essentially done almost an entire semester of Physics in three weeks after taking a whole year off of Physics from sophomore year. I haven't been able to work a lot until now because of health issues, family crises, et cetera, and now the end of the semester is in 25 days and I have 11 classes to finish. The sum total of the questions I've been asking is actually pretty small compared to how many questions I've really had, hehehe. PF is a great help to me. I'll try not to exhaust it... :)

## 1. What is high voltage electricity transmission?

High voltage electricity transmission is the process of transmitting electrical energy at high voltages over long distances using power lines. This allows for more efficient and cost-effective transport of electricity from power plants to homes and businesses.

## 2. What are the advantages of high voltage electricity transmission?

One of the main advantages of high voltage electricity transmission is that it reduces energy losses during transmission. This is because higher voltages result in lower currents, which in turn reduces the amount of energy lost as heat during transmission. Additionally, high voltage transmission allows for longer distance transmission with fewer power lines, reducing construction and maintenance costs.

## 3. How does high voltage electricity transmission benefit the environment?

High voltage electricity transmission can help reduce the environmental impact of energy production. By reducing energy losses during transmission, less energy is wasted and therefore less energy needs to be generated. This can help reduce the emissions of greenhouse gases and other pollutants associated with energy production.

## 4. Are there any risks associated with high voltage electricity transmission?

High voltage electricity transmission does pose some risks, primarily related to electric shock and fire hazards. However, these risks are mitigated through proper safety measures such as insulation and grounding of power lines, and regular maintenance and inspections.

## 5. How does high voltage electricity transmission compare to other forms of energy transmission?

Compared to other forms of energy transmission, such as low voltage or direct current transmission, high voltage electricity transmission is more efficient and cost-effective for long distance transmission. It also has a higher capacity for carrying large amounts of energy, making it suitable for transmitting power from large power plants to urban areas with high energy demands.