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Sungrow 3-Phase String Inverter Feed-in Settings Guide

Quick guide for configuring feed-in limitation settings on Sungrow 3-phase string inverters. Learn how to set zero feed-in, adjust limitation values, and understand technician requirements.

Table of contents

Quick Guide to Feed-in Settings

This document provides instructions for configuring feed-in limitation parameters on Sungrow 3-phase string inverters. These settings are accessed via the advanced setting interface.

Advanced settings interface for configuring feed-in limitation parameters.
Advanced settings interface for configuring feed-in limitation parameters.

Zero Feed-in Configuration

  1. Access the advanced setting interface.
  2. Enable the Feed-in Limitation function.
  3. Set the Feed-in Limitation Value to 0 (0 kW feed-in).

Feed-in Limitation Configuration

  1. Access the advanced setting interface.
  2. Enable the Feed-in Limitation function.
  3. Set the Feed-in Limitation Value according to your specific site requirements.

No Network Feedback

If there is no feedback from the network, the Feed-in Limitation function must be turned off.

Technician Requirements

Installation, operation, maintenance, and troubleshooting must be performed by professional technicians who meet the following criteria:

  • Possess electronic, electrical wiring, and mechanical expertise.
  • Are familiar with electrical and mechanical schematics.
  • Have received professional training related to the installation, commissioning, and troubleshooting of electrical equipment.
  • Are capable of responding quickly to hazards or emergencies.
  • Are familiar with local standards and safety regulations.

Practical help

Common problems

Need to prevent power export to the grid (Zero Feed-in).

Enable 'Feed-in Limitation' and set 'Feed-in Limitation Value' to 0.

Need to limit power export to a specific value.

Enable 'Feed-in Limitation' and set 'Feed-in Limitation Value' to the required kW.

No feedback from the network.

Turn off the 'Feed-in Limitation' function.

Before use

  • Ensure you are a professional technician with electrical expertise.
  • Verify you have access to the advanced setting interface.
  • Ensure you understand local safety regulations.

Manual page author

Emily Carter

User documentation editor

Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.