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Solis Zero export device | Solis export limiter

Updated: Oct 9, 2021

Solis Grid Tie PV Inverters

Soils are one of the top manufacturers of grid-tied solar inverters (also known as string inverters), it is a china based company, founded in 2005.

Ginlong Technologies Co., Ltd. manufactures and distributes solar inverters. The Company produces single-phase inverters, three-phase inverters, utility-scale inverters, energy storage inverters, and other related products. Ginlong Technologies markets its products throughout China.

Single-phase inverters:

Solis Single phase inverters have two ranges: Solis-Mini(1000-3000)-4G, which compile 1kW, 1.5kW, 2kW, 2.5kW and 3kW single phase solar inverters.

And the second is Solis-1P(4-5)K-4G, which compile 4kW and 5kW single phase solar inverters.

Three Phase inverters:

Solis three-phase solar inverters have six ranges as mentioned below.

  • Solis-3P(5-20)K-4G series of solar inverters compile 5kW to 20kW of rating.

  • Solis-(25-50)K-5Gseries of solar inverters compile 25kW to 50kW of rating.

  • Solis-(50-60)K series of solar inverters compile 50kW and 60kW of rating.

  • Solis-80K-5G series of solar inverters compile only an 80kW rating

  • Solis-(100-110)K-5G series of solar inverters compile 100kW and 110kW of rating

  • Solis-125K-EHV-5G series of solar inverters compile only a 125kW rating

  • Solis-(215-255)K-EHV-5G series of solar inverters compile 215kW and 255kW of rating

Solis Zero Export Device

Solis’s string inverters produce excess electrical energy when the load is less than the power generation of the solar power plant. To stop the generation of this excess power Solis makes string inverters that required Zero export Devices.

By eliminating the generation of excess power Solis’s make solar inverter can be installed without net-metering.

ZED Advance is a Zero export device, which is compatible with all ranges of Solis solar inverters.

With ZED Advance Solis gird tie inverters can be programmed to restrict the excess power generation. Hence provide Zero Export solution to solar plant owners.

ZED Advance is a programmable controller with set points, which can detect reverse power flow (from home to the grid) and control the power generation of the solar power plant.

When ZED Advance detects reveres power [solar power generation > Load demand] it ramps down the power generation of the grid-connected PV plant.

To match, load demand = solar power generation

And when the load increases, the ZED Advance will ramp up the solar power production accordingly.

As long as solar power generation is lower than the load demand, ZED Advance won't affect solar power generation changes. But it keeps monitoring the system.

Setpoints of ZED Advance can be set between 0% to 100%. Where 5% means that the minimum 5% of load will be served by the grid.

If the frequency of load variation is very high, we need to fix the setpoint above 0% the suitable setpoints are 5%, 10% and 15%.

Curious about ZED Advance? We make a whole page on ZED Advance go and checkout and it will help you will be able to select the correct solution for your need.

Solis Export Limiter

Export Limitation means limiting the amount of power exported to the grid. Export limiters limit the power generation from the Solis PV inverter so that amount of power to be exported to the grid can be limited.

ZED Advance can also work as an export limiter for Solis make a grid-connected solar inverter.

Circuit Diagram of connecting ZED Advance with Solis make gird tie inverter.

SMA Zero Export Device

ZED Advance required a Current transformer along with 10 core, 1.5 Sqmm Cable at the incomer from the grid for the load the measurement and 3 core 1.5 Sqmm cable for self-power as shown in the above illustration.

And compares this with the adjustable setpoint of the controller.

ZED advance also required LAN cable (cat 6) to communicate with Solis Solar Inverter as well as a web portal (for online monitoring).

When the consumption from GRID 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.

Key features of ZED Advance

  1. With ZED Advance you can go Solar without Net Metering or Gross Metering.

  2. With ZED Advance you can Syn your Generator with your Gird connected Solar power plant

  3. With ZED Advance you can monitor your PV plant, Generator and Grid.

  4. With ZED Advance you can use your Grid-tie PV plant even in Power cuts.

  5. ZED Advance is compatible with 17 plus makes of Solar inverters.

  6. Grid-ties Solar without a permit

Key Diagram of ZED Advance

Online Monitoring Portal of ZED Advance



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Mar 17, 2022

Is ZED working in 1P inverter.?


Jan 10, 2022

How do I make order for ZED advance

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