Goodwe SMT Series User manual
User Manual
Grid-Tied PV Inverter
SMT Series
V1.1-2022-09-29
I
Copyright StatementUser Manual V1.1-2022-09-29
The information in this user manual is subject to change due to product updates or other
reasons. This manual cannot replace the product labels or the safety precautions unless
Trademarks
Notice
and other GoodWe trademarks are trademarks of GoodWe Company.
Technologies Co., Ltd.
No part of this manual can be reproduced or transmitted to the public platform in any form or
by any means without the prior written authorization of GoodWe Technologies Co., Ltd.
Copyright ©GoodWe Technologies Co., Ltd., 2022. All rights reserved
II
Content User Manual V1.1-2022-09-29
CONTENT
III
ContentUser Manual V1.1-2022-09-29
User Manual V1.1-2022-09-29 01 About This Manual
1
1 About This Manual
This manual describes the product information, installation, electrical connection,
commissioning, troubleshooting, and maintenance. Read through this manual before installing
features, functions, and safety precautions. This manual is subject to update without notice. For
www.goodwe.com.
Model Nominal Output Power Nominal Output Voltage
GW12KLV-MT 12kW
220, 3L/N/PE or 3L/PEGW15KLV-MT 15kW
GW20KLV-MT 20.7kW
GW25K-MT 25kW 400*, 3L/N/PE or 3L/PE
GW29.9K-MT 29.9kW 400, 3L/N/PE or 3L/PE
GW30K-MT 30kW 400*, 3L/N/PE or 3L/PE
GW36K-MT 36kW
GW30KLS-MT 30kW 220, 3L/N/PE or 3L/PE
GW35KLS-MT 35kW
GW50KS-MT 50kW 400*, 3L/N/PE or 3L/PE
GW60KS-MT 60kW
1.1 Applicable Model
1.2 Target Audience
This manual applies to trained and knowledgeable technical professionals. The technical
personnel has to be familiar with the product, local standards, and electric systems.
01 About This Manual User Manual V1.1-2022-09-29
2
1.4 Updates
The latest document contains all the updates made in earlier issues.
V1.0 2022-05-31
• First Issue
DANGER
WARNING
CAUTION
NOTICE
V1.1 2022-09-29
• Chapter 5.1.7.
User Manual V1.1-2022-09-29 02 Safety Precaution
3
2 Safety Precaution
2.1 General Safety
2.2 DC Side:
Notice
• The information in this document is subject to change due to product updates or other
reasons. This manual cannot replace the product labels or the safety precaution unless
•
precautions.
•
familiar with local standards and safety regulations.
•
•
asp.
Notice
and follow all the safety instructions and cautions before any operations. Improper operation
DANGER
The manufacturer
WARNING
• Ensure the component frames and the bracket system are securely grounded.
• Ensure the DC cables are connected tightly and securely.
•
•
• If there are more than 3 PV strings on input side, an additional fuse installation will be
suggested.
•
02 Safety Precaution User Manual V1.1-2022-09-29
4
2.4 Inverter Installation
DANGER
•
will be damaged.
•
alter, or damage any label.
•
2.5 Personal Requirements
NOTICE
•
safety precautions and correct operations.
•
2.3 AC Side
WARNING
•
•
Current.
•
if you want to use other cables.
Disconnect all incoming power
working on it.
Delayed discharge. Wait 5 minutes
are completely discharged.
Read through the guide before Potential risks exist. Wear proper
PPE before any operations.
High-temperature hazard. Do
not touch the product under
Grounding point. Indicates the
position for connecting the PE cable.
CE marking
as household waste.Discard the
product in compliance with local
laws and regulations, or send it back
to the manufacturer.
User Manual V1.1-2022-09-29 03 Product Introduction
5
3 Product Introduction
3.1 Application Scenarios
PV String Circuit Utility
Grid
combiner
box
Meter
3.2 Circuit Diagram
The circuit diagram of GW12KLV-MT, GW15KLV-MT, GW20KLV-MT, GW25K-MT, GW29.9K-MT,
GW30K-MT, GW36K-MT is as follows.
The circuit diagram of GW50KS-MT and GW30KLS-MT is as follows.
SWITCH BOOST
INV
BUS
OUT FILTER
AC RELAY
EMC
Filter
L1
L2
L3
N
PE
MPPT 1+
MPPT 1-
MPPT 2+
MPPT 2-
MPPT 3+
MPPT 3-
DC SPD
DC SPD
DC SPD
DC
EMC
Filter
DC
DC
DC
DC
DC
DC
DC
Filter
MPPT 1+
MPPT 1-
MPPT 2+
MPPT 2-
MPPT 3+
MPPT 3-
MPPT 4+
MPPT 4-
MPPT 5+
MPPT 5-
SWITCH
DC SPD
DC SPD
DC
EMC
Filter
BOOST
DC
DC
DC
DC
DC
DC
DC
DC
DC
DC
BUS
INV
DC
OUT FILTER
AC RELAY
EMC
Filter
Filter
L1
L2
L3
N
PE
03 Product Introduction User Manual V1.1-2022-09-29
6
3.3 Supported Grid Types
NOTICE
•
the ground wire must be less than 20V.
•
The circuit diagram of GW60KS-MT and GW35KLS-MT is as follows.
Transformer Transformer Transformer Transformer
Transformer
TN-S TN-C TN-C-S TT
IT
MPPT 1+
MPPT 1-
MPPT 2+
MPPT 2-
MPPT 3+
MPPT 3-
MPPT 4+
MPPT 4-
MPPT 5+
MPPT 5-
SWITCH
DC SPD
DC SPD
DC
EMC
Filter
BOOST
DC
DC
DC
DC
DC
DC
DC
DC
DC
DC
BUS
INV
DC
OUT FILTER
AC RELAY
EMC
Filter
Filter
L1
L2
L3
N
PE
MPPT 6+
MPPT 6-
DC
DC
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