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What is Zero Export Device? Why do I need Zero Export Device for my PV plant?

 

What is Zero Export Device?

Zero Export device enable solar system owners & operators to limit the amount of solar power that their systems export to the electricity grid or DG SET.

Export limitation means that the amount of solar energy in the system is controlled by adjusting the set point of the inverters in the system. The integrated power analyzer measures the total power at the point of coupling and compares this with the adjustable set point of the controller. When the consumption from the grid or DG SET is above this set point, the solar energy will be increased, when the consumption is below this set point, the solar energy will be reduced.

 

Why do I need Zero Export Device for my plant?

In some part of India it takes several moths to get NET metering done for their On-Grid Solar Power Plant. It will leads to a huge loss of power production due to delay in net metering. With Zero Export device you can run your PV plant without net metering.

If a Solar Power Plant is connected/working with DG SET and the power consumption of connected Load is lower than the power generated by solar power plant, then the excess of power generated by solar power plant will reverse back to DG SET and this will lead to permanent damage of DG SET.
A solution to these problems is Zero Export device will enable solar system owners & operators to limit the amount of solar power that their systems export to the electricity grid or DG SET.

 

Does this allow a PV generator of 100 KW to be limited to a 50kw?

The purpose of this device is to limit export of solar to the grid, so the answer of this question is YES, they should be able to do what they do.

 

Is this a generic device or is it dependent on the size of the plant?

Yes it is a Generic device and it can work with any size of PV plant with any numbers of PV inverters.

 

 

Do you need Zero Export Device for your Plant? Please fill the following form.

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