![]() One of the things that can make this topic so complicated is that there are three different formulas for different scenarios, and it’s not always clear when you’re supposed to use one over the other. For our calculation, you need to know two variables and there’s only one direct approach to calculating the answer. ![]() Using a kW to amps calculator has a few more steps than a simple kWh per square foot calculator. Now that we’re clued up on both of the variables in our calculator, we can look at how to do these calculations ourselves. But the reality is current flows from negative to positive. If we’re doing any calculations or conversations, we use conventional current. However, the actual flow of electrons goes from negative to positive. This is what electrical engineers call “conventional current”. Actual Electron FlowĬurrent flows from positive to negative. The minute we start to draw 45 A from our 15 A fuse it melts and the circuit breaks.īefore we can look at how to convert kWh to kVA or figure out how to use a kW to amps calculator, we need to distinguish between conventional current and electron flow. If we have a 15 A fuse with 5 A flowing through it, the fuse can do its job and ensure that the current is protected. One of the things you need when you’re setting up your solar system is a fuse. If the circuit is broken, the current stops flowing and the electrons can’t jump the gap. The battery’s negative terminal pushes the negative electrons away, which causes the current to flow. When current flows in the circuit, all the electrons move simultaneously. This then goes through the lightbulb to the positive side of the battery, completing the circuit. Let’s say we have a simple circuit consisting of copper wire, a battery, and a lightbulb.Įlectrons flow from the negative end of the battery through the copper wire. This current is measured in amps, short for amperes, which is an indication of the number of electrons flowing per second. When electrons flow through a circuit, we get an electric current. In this equation, all we do is multiply the kilowatts of a circuit by the time it’s operational to find the kWh. Provided we understand this concept, using a kW to kWh calculator is simple. If we have an array of portable solar panels for home use rated at 2 kW, this means that on a perfectly sunny day, the maximum output of this solar system is 2 kW, though it will regularly produce less than that. ![]() We also use watts and kilowatts in solar equations to measure how much electricity the system produces. When we multiply the resulting watts by 1,000, we get kilowatts. Watts are obtained by multiplying voltage and current according to Watt’s Law. When we speak about power, we’re referring to the rate at which appliances consume energy. A kilowatt is a measure of electrical power equivalent to 1,000 W.
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