Goodwe CT90 User Manual

User Manual
Power Limit Solution for Grid-Tied PV Inverters
V1.0-2022-09-15
WARNING
1. Power o the equipment in the system before operations and maintenance. Otherwise, the equipment may be damaged or
electric shocks may occur.
2. The installation, electrical connection, and commissioning of the inverter, smart meter, communication box and other devices
in the system are not mentioned in this document. Please refer to the related user manual from the ocial website: https://
en.goodwe.com/
General Safety
System Safety
Matching Table
NOTICE
• The information in this user manual is subject to change due to product updates or other reasons. This guide cannot replace
the product labels or the safety precautions in the user manual unless otherwise specied. All descriptions in the manual are for
guidance only.
• Before installations, read through the corresponding user manual to learn about the product and the precautions. Strictly follow
its requirements.
• All installations should be performed by trained and knowledgeable technicians who are familiar with local standards and safety
regulations.
• Use insulating tools and wear personal protective equipment when operating the equipment to ensure personal safety. Wear
anti-static gloves, cloths, and wrist strips when touching electron devices to protect the inverter from damage.
• Strictly follow the installation, operation, and conguration instructions in this manual. The manufacturer shall not be liable for
equipment damage or personal injury if you do not follow the instructions.
1 Safety Precaution
2 Networking
Product CT90 GM3000 HK3000 GM3000C SEC1000
DNS Series O × × × ×
XS Series O × × × ×
MS Series O × × × ×
NS Series O × × × ×
SDT G2 Series × O O O O
SMT Series × O O O O
MT Series × O × O O
HV 1100 Series × × × O O
Note The load current shall be
less than 90A.
The load current of each phase shall be
less than 120A.
The load current of any phase shall be more
than 120A.
• For some inverter series, the power limit function is not available. Please contact After-sales Service if needed.
• In networking systems with GM3000C + EzLogger Pro, or SEC1000, the power limit function can be fullled for multiple inverters
in parallel.
• In networking systems with CT90, GM3000 or HK3000, it is only able to realize power limit function for single inverter.

Goodwe CT90 Specifications

General

Brand	Goodwe
Model	CT90
Category	Transducer
Language	English

Summary

Safety Precaution

General Safety

Provides general safety guidelines and notices for equipment handling.

System Safety

Highlights critical warnings for system safety, including powering off equipment.

Networking

Matching Table

Table showing compatibility of different inverter series with networking products.

Single-Phase Inverter + CT90 Networking

Details setup and wiring for single-phase inverters with CT90.

Three-Phase Inverter + GM3000 Networking

Details setup and wiring for three-phase inverters with GM3000.

Three-Phase Inverter + HK3000 Networking

Details setup and wiring for three-phase inverters with HK3000.

Three-Phase Inverter + GM3000C Networking

Details setup and wiring for three-phase inverters with GM3000C.

System with Multiple Inverters

Details setup for multiple inverters using GM3000C for power limit function.

Three-Phase Inverter + SEC1000 Networking

Details setup and CT specifications for SEC1000 networking.

Parameter Setting

Setting Power Limit Parameters via LCD

Steps to set power limit parameters directly on the inverter's LCD screen.

Setting Power Limit Parameters via SolarGo App

Guide to setting power limit parameters using the SolarGo mobile application.

Setting Power Limit Parameters via ProMate

Instructions for setting power limit parameters using ProMate software.

Troubleshooting

Single Inverter Communication Loss

Describes inverter derating behavior when communication is lost for single inverters.

Multiple Inverters Communication Loss

Describes inverter standby behavior when communication is lost for multiple inverters.