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The Grid interactive inverter is designed to manage real/reactive power and energy with greater flexibility. It can cope with a number of challenges, including nondeterministic RES output, slow RES dynamics, and fluctuating loads. With increasing numbers of DG units in utilities, it is vital to have a robust and efficient grid interactive inverter to manage these challenges.

Grid interactive inverters are typically more expensive than grid-tied inverters, but they are also twice as efficient and reliable. These systems are ideal for remote, off-grid locations. However, a grid-interactive inverter may not be appropriate for every home or application. You should Grid interactive inverter  consider your needs before choosing an inverter.

Grid interactive inverters combine solar and wind power into one device. This means that they can provide emergency backup power in the event of a power outage. These inverters are regulated by the National Electricity Code to ensure safety. If they do not meet these standards, they are not considered safe for grid use.

Another benefit of a grid interactive inverter is its ability to synchronize voltage and current. When the two are synchronized, the electrical power generated is maximized. If they are not, the voltage and current may deviate slightly. This causes a loss in efficiency, meaning that you will have to use more total power to generate the same amount of "real" power.

As the solar industry begins to go mainstream, grid interactive systems will become more prevalent. In the meantime, a grid-interactive inverter will help homeowners tie into their local energy utility, or opt out of it entirely. Grid-interactive systems may also be more economical, as they reduce the need for electricity from the grid.

As a grid interactive inverter manages load and operates in an island mode, it can be more efficient than a transformer and also more lightweight. Its ability to operate in island mode is especially attractive for rural communities. A grid interactive inverter can also improve energy efficiency by providing continuous energy consumption, even when the grid fails.

Another advantage of grid interactive PV systems is their bi-directional energy transfer capability. If the solar panels aren't producing enough power, they can be used to opt-out of the local energy grid when they aren't needed. This will lower energy costs and allow customers to use their energy efficiently. Grid-interactive systems can even charge energy storage systems. These systems can be very useful in developing countries with partial access to the grid.

Grid-tied systems usually consist of PV modules connected in series to string inverters. The inverters convert DC electricity to AC power. Then, the system provides AC power to appliances and lighting. The surplus energy can be sold back to the utility. This model is the most popular in the U.S. since it has net metering capability.