1500 Watts to kWh Conversion
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1500 Watts to kWh Conversion
This article will focus on the concepts and differences between Watt and kWh, and then introduce how to perform 1500 Watts to kWh Conversion, so that readers can perform various calculations on their own in the future.
Understand Watt and kWh
In order to understand 1500 Watts to kWh Conversion, you must first understand the concepts of Watts and kWh:
In order to understand 1000W to kWh conversion,let’s first look at the meaning of watt and kWh (kilowatt-hour):
The watt (symbol: W) is the unit of power or radiant flux in the International System of Units (SI), equal to 1 joule per second or 1 kg⋅m2⋅s−3. It is used to quantify the rate of energy transfer. The watt is named in honor of James Watt (1736–1819), an 18th-century Scottish inventor, mechanical engineer, and chemist who improved the Newcomen engine with his own steam engine in 1776. Watt’s invention was fundamental for the Industrial Revolution.
source: What is watt
The kilowatt-hour is a composite unit of energy equal to one kilowatt (kW) sustained for (multiplied by) one hour. The International System of Units (SI) unit of energy meanwhile is the joule (symbol J). Because a watt is by definition one joule per second, and because there are 3,600 seconds in an hour, one kWh equals 3,600 kilojoules or 3.6 MJ.
source: What is kilowatt-hour
These explanations are too technical and difficult for non-professionals to understand, so allow me to simplify the issue and explain it from a practical perspective.
The relationship between Watt and kWh can be graphically compared using water flow rate and water volume. Suppose we have an empty water tank. A water hose is filling the tank with water for 10 seconds, so there are 10L (Liter) of water in the tank.According to this scenario, we can know several key values:
Water Volume = 10L
Water Flow Rate = 10L/10Seconds= 1L/Second
It is easy to understand here. So let’s think about it this way. The parameter power in Watt can actually be understood as the water flow rate, and the power consumption in kWh can be understood as the water volume. This means that the power in Watt is used to measure the average amount of electricity consumed by the electrical equipment per second. And the power consumption in kWh can be understood as how much electricity the device consumes in total after one hour.
To summarize, the conversion between water volume and average water flow rate requires a time parameter. The same is true for power in watt and power consumption in kWh. kWh to W conversion requires a time parameter.
According to the above figure, let’s understand it visually. We have a machine that runs for 3600 seconds, and the final power consumption is 1kWh, and its average power is 1000W. Here, average power is the water flow rate in the previous example, and used electricity or power consumption is the water volume in the previous example. The following is the calculation relationship between them:
Power Consumption(kWh) = Average Power(In kW Unit) * Time( In Hour Unit)
Please note that the confusing part is often the units. This calculation formula is very simple, but please pay attention to the kWh unit. If we break it down, it is killo Watts Hour, right? So the average power in the calculation formula is in kW instead of watt. 1kW = 1000 Watt. The time in the formula is in hours instead of seconds. We know that one hour is equal to seconds. 1hour=3600 seconds.
Based on this understanding, let’s look at the relationship between the parameters in the previous case.
Average Power in kW = Average Power in Watt/1000 = 1000W/1000 = 1kW
Time in hour = Time in seconds/3600 seconds per hour = 3600 seconds/ 3600 seconds per hour = 1hour
Power Consumption(kWh) = Average Power(In kW Unit) * Time( In Hour Unit)
= 1kW*1hour
= 1kWh
1500 Watts to kWh Calculation
With the previous basic knowledge, we can start to calculate 1500W to kWh conversion. According to the previous concept explanation, we know that the relationship between watt and kWh is similar to the relationship between water flow rate and water volume. They also need to be connected by time. Power in Watt is used to measure the average amount of electricity consumed by the electrical equipment per second. And the power consumption in kWh can be understood as how much electricity the device consumes in total after one hour. So if we want to convert 1500W to kWh, then we need to know how long (in hours) the 1500W device has been running, and we assume it has been running for 1 hour. Let’s take out the formula in the previous chapter to see how to solve this problem:
Power Consumption(kWh) = Average Power(In kW Unit) * Time( In Hour Unit)
1000W in kW Conversion = 1500W/1000 =1.5kW
We already know that the 1500W device runs for 1 hours. Substituting it into the formula, we can get the conversion:
Power Consumption(kWh) = Average Power(In kW Unit) * Time( In Hour Unit)
= 1.5kW*1hour
= 1.5kWh
So 1500W devices runs 1 hours needs electricity 1.5kWh, This is the conversion process. I believe that after this explanation, if it is 2 hours, 5 hours, etc., you can also calculate it yourself.
Summary
The above explanation is an example. In actual operation, your power parameters will change, and the time parameters will also be defined according to your scenario. But as long as you learn this solution, you can complete the 1500 Watts to kWh conversion by yourself.
