Avoiding penalties for consuming reactive energy and excess demand guarantees you won't have any surprises in your electric bill.
Electric utilities have several ways to charge penalties on the electrical bills they issue to customers that exceed the requirements set out in the law, or that exceed the values defined in their supply contract. These requirements relate to the consumption of both inductive and capacitive reactive energy, as well as any excess consumption of the contracted power, which can vary by country.
Installing systems to correct for reactive energy and control the maximum demand can avoid the monthly surcharges that increase energy costs. Currently, there are a large number of installations whose owners pay these surcharges monthly, unaware that there are solutions to avoid them. Because of this, it is essential to know which product to install for each situation.
Capacitor banks avoid surcharges in electricity bills due to inductive reactive energy consumption and enhance the efficiency of your installation.
SVGm static var generators correct for both capacitive and inductive reactive energy to avoid any type of surcharge in electricity bills, even in networks with a large number of harmonics.
Avoid surcharges on your electricity bill due to exceeding the contracted power of your installation by letting maximum demand controllers disconnect non-critical loads at specific times.
To ensure the performance of transmission and distribution systems, electric utilities force the end users to control the maximum consumption of reactive energy, both inductive and capacitive. The way that electric utilities have to evaluate excess reactive energy use is by setting a minimum power factor. Failure to achieve this value will result in a surcharge on the electricity bill.
Capacitor banks are devices that you can use to avoid surcharges for excess inductive reactive energy consumption.
These solutions have one or more capacitors that are automatically connected or disconnected by a power factor regulator, depending on the installation's needs.
Connecting the capacitors causes capacitive reactive energy to be consumed that is inverse to that generated by the inductive loads, resulting in a power factor that is close enough to unity to avoid surcharges at the end of the month.
The choice of capacitor bank will depend on the types of loads in the installation. As a result, the right choice depends on the working conditions of each industry. There are four basic types of batteries, and which one to choose will vary based on two aspects: Does the load vary slowly or quickly? Are there harmonics in the installation?
Excess capacitive reactive energy consumption can result in surcharges in the electricity bill, depending on the country, as well as generate overvoltages in the installation, which may damage electronic systems and cause service outages.
Facilities such as logistics centres, shopping centres, large buildings and infrastructures usually consume capacitive reactive energy. Installations with a high load of LED lighting, computer systems, data centres, long lengths of cable such as airports, trams, ski stations, large fairgrounds, tunnels, and others, normally consume capacitive reactive energy.
This energy cannot be corrected by using capacitors, which would aggravate the situation, so the only viable solution is the installation of static var generators.
This solution works by using power electronics, which can be used to program a target power factor to compensate for an excess of both inductive and capacitive reactive power, thus avoiding surcharges in the electricity bill.
Discover more features of our SVGm static var generator.
When contracting a new electrical connection, you have to specify the maximum power to be supplied to the installation.
Exceeding this contracted power in your installation just once will result in a surcharge on the electricity bill. Connecting a large number of loads at the same time could mean exceeding your contracted power, resulting in a surcharge on your electricity bill. In some countries, this can entail a constant penalty throughout the year.
To avoid this type of surcharge, there are maximum demand controllers that constantly analyze the power demanded by the installation and disconnect large, non-critical loads when the device expects the power used to exceed the contracted power for the installation.
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