When choosing a new power outlet for your PC, this is usually something you don't think about, and you just look at the power, efficiency certificate, and wiring connection, right? Well you should know that the power factor is one of the most important parameters in energy supply, because it is directly related to its function.
What is the power of the force
Technically, the power supply factor is the ratio of the actual power to the apparent energy used; it is expressed with a decimal number less than 1, since the actual power is expressed in watts, while the power seems to be measured in volt-amperes (VA).
For example, one phase of a single unchanged power supply has a power factor of about 0.65, while a three-phase source has a power factor of 0.85 of the power factor. The PCC PC power supplies raise this item to 0.99 in most cases, so the actual and apparent power consumption is almost the same.
This is because of the way electricity is flowing through the wires does not form a complete sine wave, as good as it may be, but it does it by using adjustable voltage peaks that are directed at converting electrical conductors, creating the current directly.
Therefore, the power supply factor is a way of measuring its efficiency when it comes to converting current to current, and if that value is high, it will be most efficient when performing this process. For this reason it is important to note that the electricity you buy has a PFC, since it is a circle that allows the power factor to be increased to a value close to 1, which is a good idea.
Currently, The European Union regulates electricity production and does not approve its sale if it does not have an effective PFC.
How does the PFC work?
PFC electrical supplies can work in two ways:
- Active PFC: Adjustments are made with integrated circuits integrated into the MOSFETs, which gives a power of 0.99 in most cases. Since 2001, the European Union has officially demanded that all electricity sold have a PFC in operation.
- Passive PFC– Adjustment is achieved using coils and capacitors to improve the power factor which receives the voltage. It's way cheaper than the previous one, but a better price of 0.85 isn't available, so it's rarely used.
Therefore, when buying electricity you should check that you have a working PFC. In theory, they all have to carry it, at least if sold in Europe, but today many private sources or OEM sources made in China do not, so it's always good to look ahead to health care since, if you don't wear it, energy efficiency will go to waste.
