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Why Choose Trackso’s Zero Export Device?
Net Metering not approved? Or taking a lot of time?
TrackSo’s Zero Export Controller ensures no extra power is sent back to the grid. Instead, all the solar energy produced is used to power local needs. The controller monitors and adjusts the inverter’s generation based on the load requirements.
Without it, you might end up paying Lakhs in penalty.
Benefits:
● No back-feed to the grid.
● Monitoring & Controlling via same device.
● Real-time control of multiple inverters at a time.
● Universal Solution for all Inverter Brands.
● Avoid huge loss of power production and Lakhs due to delays in net metering.
How Zero Export Device Works?
Zero Export works on a simple logic as mentioned below:
Step 1 – Read Active Power from the net meter.
Step 2 – Is Active power > Max Set point? If yes, increase power on inverters.
Step 3 – Is Active power < Min Set point? If yes, decrease power on inverters 4. Repeat from step
NOTE:
Minimum set point: It is the minimum required power input from the grid supply
Maximum set point: It is the maximum required power input from the grid supply in case there is enough solar power being produced to cater the load.
Following is a simple SLD to showcase how Zero Export works in a solar PV system. To be able to do the zero export, we need a zero export meter [bi-directional meter] on the incoming side. This meter should be MODBUS RTU enabled so that our Power Control device can communicate with it to read the ACTIVE POWER values.
Key Features of TrackSo’s Zero Export Device

Frequently Asked Questions
Can we monitor the system with this solution ?
Can it control and monitor 2 different Inverter brands on same device
Which dongles brands/model are compatible with WM-Mega and WM-Mini ?
My inverter brand doesn't allow power control on modbus. Can this work ?
Meter to be installed on Grid Side is 200m away from Inverter. How to connect?
- a direct serial RS485 connection between the inverter and energy meter
- a direct Ethernet connection between the controller and energy meter (Modbus TCP enabled)
- through or an existing network infrastructure
What all parameters are controlled in Zero Export Device ?
Only Active Power Parameter of the inverter is controlled via Modbus commands.
Can this guarantee zero export over a day ?
What is the frequency of power control ?
Installing a Bi-Directional meter on Grid side is mandatory for Zero Export Device?
Yes, this is mandatory. Compatible brands list is available in overview document above and also here
Why is Bi-directional meter is required on Grid Side
Does unbalance load affects working of Zero Export Device?
Inverters can only produce equal power on all the 3 phases and due to this restriction from inverter for maximum solar output balance load should be present. Controller provides following operating modes Option 1: Average power for all phases: This assumes the load is balance and accordingly set Power output of inverter. Option-2: Minimum power on any one phase-In case of unbalanced load controller can assume minimum power of any one phase and assume same is being produced by other two phases by doing this it ensures there is no export happening on all the 3 phases, but this will also result in low production.