Huawei SUN2000-100KTL-USH0 User manual

SUN2000-100KTL-USH0
User Manual
Issue 06
Date 2020-12-18
HUAWEI TECHNOLOGIES CO., LTD.

Copyright © Huawei Technologies Co., Ltd. 2020. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior
written consent of Huawei Technologies Co., Ltd.
Trademarks and Permissions
and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective
holders.
Notice
The purchased products, services and features are stipulated by the contract made between Huawei and
the customer. All or part of the products, services and features described in this document may not be
within the purchase scope or the usage scope. Unless otherwise specied in the contract, all statements,
information, and recommendations in this document are provided "AS IS" without warranties, guarantees
or representations of any kind, either express or implied.
The information in this document is subject to change without notice. Every eort has been made in the
preparation of this document to ensure accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute a warranty of any kind, express or implied.
Huawei Technologies Co., Ltd.
Address: Huawei Industrial Base
Bantian, Longgang
Shenzhen 518129
People's Republic of China
Website: https://e.huawei.com
Issue 06 (2020-12-18) Copyright © Huawei Technologies Co., Ltd. i

About This Document
Purpose
This document describes the Grid Support SUN2000-100KTL-USH0 (abbreviated as
SUN2000) in terms of its installation, electrical connection, commissioning,
maintenance, and troubleshooting. Before installing and operating the SUN2000,
ensure that you are familiar with the features, functions, and safety precautions
provided in this document.
Key Safety Notes
Save These Instructions: This manual contains important instructions that shall
be followed during installation and maintenance of the SUN2000.
Note: Changes or modications not expressly approved by the party responsible
for compliance may void the user's authority to operate the equipment.
Intended Audience
This document is intended for photovoltaic (PV) power plant personnel and
qualied electrical technicians.
Symbol Conventions
The symbols that may be found in this document are dened as follows.
Symbol Remarks
Indicates a hazard with a high level of risk
which, if not avoided, will result in death or
serious injury.
Indicates a hazard with a medium level of risk
which, if not avoided, could result in death or
serious injury.
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Symbol Remarks
Indicates a hazard with a low level of risk
which, if not avoided, could result in minor or
moderate injury.
Indicates a potentially hazardous situation
which, if not avoided, could result in
equipment damage, data loss, performance
deterioration, or unanticipated results.
NOTICE is used to address practices not related
to personal injury.
Supplements the important information in the
main text.
NOTE is used to address information not
related to personal injury, equipment damage,
and environment deterioration.
Change History
Changes between document issues are cumulative. The latest document issue
contains all updates made in previous issues.
Issue 06 (2020-12-18)
Updated 5.3.1 MBUS.
Issue 05 (2019-12-18)
Updated 3 Storage.
Added 8.2 Power-O for Troubleshooting.
Issue 04 (2019-07-15)
Updated 2.2 Introduction.
Updated 2.3.2 Indicator Status.
Updated 5.3.1 MBUS.
Updated 7.1.5.1 Parameter Settings.
Updated 10 Technical Specications.
Issue 03 (2019-01-10)
Updated 7.1.6.1.3 Setting Feature Parameters.
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Issue 02 (2018-06-01)
Changed Supported Power Grids in 2.2 Introduction to Supported Power Grid
Earthing Systems. Added three power grid earthing systems supported by the
SUN2000. Deleted the description that "The SUN2000 only supports the IT power
grid mode" and that "The SUN2000 is mainly used for medium-voltage power
grids. It delivers three-phase, three-wire output, which is then fed to a medium-
voltage power grid through a step-up transformer."
Updated 8.3 Routine Maintenance.
Issue 01 (2018-02-08)
This issue is used for rst oce application (FOA).
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Contents
About This Document................................................................................................................ ii
1 Safety Precautions...................................................................................................................1
2 Overview....................................................................................................................................4
2.1 Product Model.......................................................................................................................................................................... 4
2.2 Introduction............................................................................................................................................................................... 6
2.3 Product Appearance............................................................................................................................................................... 8
2.3.1 Appearance............................................................................................................................................................................ 8
2.3.2 Indicator Status.................................................................................................................................................................. 12
2.3.3 Enclosure Labels.................................................................................................................................................................15
2.4 Working Principles................................................................................................................................................................ 18
2.4.1 Conceptual Diagram.........................................................................................................................................................18
2.4.2 Working Modes.................................................................................................................................................................. 18
3 Storage.....................................................................................................................................20
4 Installation..............................................................................................................................22
4.1 Checking Before Installation............................................................................................................................................. 22
4.2 Tools.......................................................................................................................................................................................... 23
4.3 Determining the Installation Position............................................................................................................................24
4.4 Installing the Mounting Bracket...................................................................................................................................... 29
4.4.1 Support-mounted Installation.......................................................................................................................................30
4.4.2 Wall-mounted Installation............................................................................................................................................. 31
4.5 Installing a SUN2000........................................................................................................................................................... 32
5 Electrical Connections.......................................................................................................... 36
5.1 Precautions.............................................................................................................................................................................. 36
5.2 Selecting a Connection Mode........................................................................................................................................... 36
5.3 Preparing Cables................................................................................................................................................................... 40
5.3.1 MBUS..................................................................................................................................................................................... 40
5.3.2 RS485 Communication.................................................................................................................................................... 44
5.4 Connecting a ground cable............................................................................................................................................... 49
5.5 Opening the Maintenance Compartment Door......................................................................................................... 50
5.6 Connecting the AC Output Power Cable...................................................................................................................... 51
5.7 Connecting a DC Input Power Cable..............................................................................................................................54
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5.8 Connecting the Communications Cable........................................................................................................................56
5.9 Closing the Maintenance Compartment Door........................................................................................................... 58
6 Commissioning.......................................................................................................................60
6.1 Checking Before Power-On................................................................................................................................................60
6.2 Powering On the SUN2000............................................................................................................................................... 61
7 Man-Machine Interactions.................................................................................................. 62
7.1 Operations with the SUN2000 App................................................................................................................................ 62
7.1.1 App Introduction................................................................................................................................................................ 62
7.1.2 Downloading and Installing the App..........................................................................................................................66
7.1.3 Logging In to the App...................................................................................................................................................... 66
7.1.4 Operations Related to the Common User................................................................................................................ 68
7.1.4.1 Setting User Parameters.............................................................................................................................................. 69
7.1.4.2 Starting and Shutting Down the SUN2000...........................................................................................................70
7.1.5 Operations Related to the Advanced User............................................................................................................... 70
7.1.5.1 Parameter Settings........................................................................................................................................................ 70
7.1.5.1.1 Setting Grid Parameters........................................................................................................................................... 70
7.1.5.1.2 Setting Protection Parameters............................................................................................................................... 71
7.1.5.1.3 Setting Feature Parameters.....................................................................................................................................71
7.1.5.1.4 Setting User Parameters.......................................................................................................................................... 76
7.1.5.1.5 Setting Communications Parameters.................................................................................................................. 77
7.1.5.1.6 Setting the Support System.................................................................................................................................... 79
7.1.5.1.7 Setting a File Save Path............................................................................................................................................80
7.1.5.2 System Maintenance.....................................................................................................................................................80
7.1.5.2.1 Starting and Shutting Down the SUN2000....................................................................................................... 80
7.1.5.2.2 Restoring Factory Settings....................................................................................................................................... 81
7.1.5.2.3 Performing an AFCI Self-Test.................................................................................................................................. 81
7.1.5.2.4 Resetting the SUN2000............................................................................................................................................ 81
7.1.5.2.5 Resetting Alarms......................................................................................................................................................... 82
7.1.5.2.6 Clearing Historical Energy Yield Data..................................................................................................................82
7.1.5.2.7 Managing the License............................................................................................................................................... 82
7.1.5.2.8 Device inspection........................................................................................................................................................ 83
7.1.5.3 SUN2000 Upgrade......................................................................................................................................................... 83
7.1.5.4 Device Logs...................................................................................................................................................................... 84
7.1.6 Operations Related to the Special User.....................................................................................................................84
7.1.6.1 Parameter Settings........................................................................................................................................................ 85
7.1.6.1.1 Setting Grid Parameters........................................................................................................................................... 85
7.1.6.1.2 Setting Protection Parameters............................................................................................................................... 86
7.1.6.1.3 Setting Feature Parameters.....................................................................................................................................88
7.1.6.1.4 Setting Power Adjustment Parameters............................................................................................................... 91
7.1.6.1.5 Setting User Parameters.......................................................................................................................................... 93
7.1.6.1.6 Setting a File Save Path............................................................................................................................................94
7.1.6.2 System Maintenance.....................................................................................................................................................94
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7.1.6.2.1 Starting and Shutting Down the SUN2000....................................................................................................... 94
7.1.6.2.2 Restoring Factory Settings....................................................................................................................................... 95
7.1.6.3 SUN2000 Upgrade......................................................................................................................................................... 95
7.1.6.4 Device Logs...................................................................................................................................................................... 96
7.1.7 Querying the Status..........................................................................................................................................................96
7.1.7.1 Querying Alarm Records..............................................................................................................................................97
7.1.7.2 Querying SUN2000 Running Information............................................................................................................. 97
7.1.7.3 Querying Energy Yield Data....................................................................................................................................... 99
7.1.7.4 Viewing System Version Information...................................................................................................................... 99
7.1.8 Tool Kit................................................................................................................................................................................ 100
7.1.8.1 Scanning SN Bar Codes............................................................................................................................................. 100
7.1.8.2 SUN2000 Maintenance Script................................................................................................................................. 101
7.1.8.3 File Manager................................................................................................................................................................. 102
7.1.8.4 About............................................................................................................................................................................... 103
7.2 Operations with a USB Flash Drive.............................................................................................................................. 103
7.2.1 Exporting Congurations..............................................................................................................................................104
7.2.2 Importing Congurations............................................................................................................................................. 105
7.2.3 Exporting Data................................................................................................................................................................. 106
7.2.4 Upgrading.......................................................................................................................................................................... 107
8 Maintenance.........................................................................................................................109
8.1 Powering O the SUN2000............................................................................................................................................ 109
8.2 Power-O for Troubleshooting......................................................................................................................................110
8.3 Routine Maintenance........................................................................................................................................................ 111
8.4 Troubleshooting the SUN2000....................................................................................................................................... 112
9 Handling the Inverter........................................................................................................ 122
9.1 Removing the SUN2000................................................................................................................................................... 122
9.2 Packing the SUN2000....................................................................................................................................................... 122
9.3 Disposing of the SUN2000.............................................................................................................................................. 122
10 Technical Specications...................................................................................................123
A Grid Codes............................................................................................................................ 126
B Domain Name List of Management Systems...............................................................127
C Contact Information...........................................................................................................128
D Acronyms and Abbreviations........................................................................................... 129
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1 Safety Precautions
General Safety
NO TICE
● Before performing operations, read through this manual and follow all the
precautions to prevent accidents. The "DANGER", "WARNING", "CAUTION", and
"NOTICE" marks in this document do not represent all the safety instructions.
They are only supplements to the safety instructions.
● The personnel responsible for installing, connecting cables for, commissioning,
maintaining, and troubleshooting Huawei products should be qualied and
trained to master the correct operation methods and the knowledge of safety
precautions.
When operating Huawei equipment, in addition to following the general
precautions in this document, follow the specic safety instructions given by
Huawei. The safety precautions provided in this document do not cover all the
safety precautions. Huawei shall not be liable for any consequence caused by the
violation of the safety operation regulations and design, production, and usage
standards.
Disclaimer
Huawei shall not be liable for any consequence caused by any of the following
events:
● Transportation damage
● Violation of the storage requirements specied in this document
● Incorrect storage, installation, or use
● Installation or use by unqualied personnel
● Failure to obey the operation instructions and safety precautions in this
document
● Operation in extreme environments which are not covered in this document
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● Operation beyond specied ranges
● Unauthorized modications to the product or software code or removal of the
product
● Device damage due to force majeure (such as lightning, earthquake, re, and
storm)
● The warranty expires and the warranty service is not extended.
● Installation or use in environments which are not specied in related
international standards
Personnel Requirements
Only certied electricians are allowed to install, connect cables for, commission,
maintain, troubleshoot, and replace the SUN2000. Operation personnel must meet
the following requirements:
● Receive professional training.
● Read through this document and follow all the precautions.
● Be familiar with the safety specications about the electrical system.
● Understand the components and functioning of a grid-tied PV system, and be
familiar with relevant local standards.
● Wear proper personal protective equipment (PPE) during any operation on
the SUN2000.
Protect Labels
● Do not scrawl, damage, or block the labels on the SUN2000 enclosure.
● Do not scrawl, damage, or block the nameplate on the side of the SUN2000
enclosure.
Installation
D ANGER
Never work under power during installation.
● Ensure that the SUN2000 is not connected to a power supply or powered on
before nishing installation.
● Ensure that the SUN2000 is installed in a well-ventilated environment.
● Ensure that the SUN2000 heat sinks are free from blockage.
● Never open the host panel cover of the SUN2000.
Electrical Connections
D ANGER
Before connecting cables to the SUN2000, ensure that the SUN2000 is secured in
position and not damaged in any way. Otherwise, electric shocks or re may occur.
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● All the electrical installations must comply with the local standards, including
the American National Electrical Code ANSI/NFPA 70 and Canadian Electrical
Code CSA C22.1.
● Before connecting the inverter to the utility grid, contact local grid operator.
The electrical connection of the inverter must be carried out by qualied
persons only.
● Obtain approval from the local electric utility before using the SUN2000 to
generate electricity in grid-tied mode.
● Ensure that the cables used in a grid-tied PV system are properly connected
and insulated and meet all specication requirements.
Operation
D ANGER
High voltage may cause an electric shock, which results in serious injury, death or
serious property damage from the SUN2000 in operation. Strictly comply with the
safety precautions in this document and associated documents to operate the
SUN2000.
● Do not touch an energized SUN2000 because the heat sink has a high
temperature.
● Follow local laws and regulations when operating the SUN2000.
Maintenance and Replacement
D ANGER
High voltage may cause an electric shock, which results in serious injury, death or
serious property damage from the SUN2000 in operation. Prior to maintenance,
power o the SUN2000 and strictly comply with the safety precautions in this
document and associated documents to operate the SUN2000.
● Maintain the SUN2000 with sucient knowledge of this document, proper
tools, and testing equipment.
● Before performing maintenance tasks, power o the SUN2000 and wait for at
least 15 minutes.
● Temporary warning labels or fences must be placed to prevent unauthorized
people entering the site.
● Rectify any faults that may compromise the SUN2000 security performance
before powering on the SUN2000 again.
● Observe ESD precautions during maintenance.
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2 Overview
2.1 Product Model
Model Number Description
Figure 2-1 Model number
Table 2-1 Model Number Description
No. Meaning Value
1 Series name SUN2000: grid-tied PV inverter
2 Power 100K: 100 kW
3 Topology TL: transformerless
4 Region US: North America
5 Design code H0: the product series with the 1500 V DC input
voltage
Model Identication
You can query the SUN2000 number by the model label on the external package
and the nameplate on the side of the enclosure.
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Figure 2-2 Label position on the external package
(1) Trademark and model
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Figure 2-3 Nameplate
(1) Trademark and model (2) Important technical specications
(3) Compliance symbols (4) Company name and country of
manufacture
NO TE
The nameplate gure is for reference only.
2.2 Introduction
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Function
The SUN2000 is a three-phase grid-tied PV string inverter that converts the DC
power generated by PV strings into AC power and feeds the power to the power
grid.
Features
Intelligent
● 6 independent maximum power point tracking (MPPT) circuits and 12 PV
string inputs: Support the exible conguration of 2+2+2+2+2+2 strings.
● 12 routes of high-precision smart PV string monitoring: Help identify and
rectify exceptions in a timely manner.
● MBUS networking: Uses the existing power line for communication and does
not require an additional communications cable, which reduces the
construction and maintenance costs and improving communication reliability
and eciency.
● Smart I-V curve diagnosis: Implements I-V scanning and health diagnosis for
PV strings. In this way, potential risks and faults can be detected in time,
improving the plant O&M quality.
Ecient
● Peak eciency: 99%
● CEC eciency: 98.5%
Safe
● Arc fault protection (AFCI: arc fault circuit interrupter): UL 1699B Type I
● Embedded DC and AC SPDs: all-dimensional surge protection
● Embedded residual current monitoring unit: Immediately disconnects from the
power grid upon detecting that the residual current exceeds the threshold.
Reliable
● Natural cooling
● No-fuse design
● Protected to Type 4X
●Eective design for ground subsidence: The AC terminal block can be pulled
down by up to 50 mm (1.97 in.) due to cable overstress.
Networking Application
The SUN2000 applies to distributed grid-tied commercial PV systems and large-
scale grid-tied PV plants. Typically, a grid-tied PV system consists of the PV string,
SUN2000, AC combiner box, and step-up transformer.
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Figure 2-4 Networking application
(A) PV string (B) SUN2000 (C) AC combiner box
(D) Step-up transformer (E) Power grid
Supported Power Grid Earthing Systems
The following gure shows the power grid earthing systems supported by the
SUN2000.
Figure 2-5 Power Grid Earthing System
NO TE
The SUN2000 can be installed in common transformer secondary winding conguration
such as neutral grounded Y, neutral ungrounded Y, delta (oating). For any other
transformer conguration, please contact Huawei.
2.3 Product Appearance
2.3.1 Appearance
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Front View
Figure 2-6 Front view
(1) Maintenance compartment door (2) Host panel
Rear View
Figure 2-7 Rear view
(1) Mounting plate (2) Heat sink
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Bottom View
Figure 2-8 Bottom view
No. Component Silk Screen Description
1 3/4 in. cable
gland
COM1, COM2,
and COM3
Inner diameter: 14–18 mm
(0.55–0.71 in.)
2 USB port USB Use the USB port only during
maintenance (such as power-
on and setting, upgrade, and
data export). Ensure that the
USB cover is tightened when
the USB port is not in use.
3 Handler N/A N/A
4 DC input
terminals
+/– Controlled by DC SWITCH 1
5 DC input
terminals
+/– Controlled by DC SWITCH 2
6 2-1/2 in. cable
gland
AC OUTPUT Inner diameter: 30–57 mm
(1.18–2.24 in.)
7 3/4 in. cable
gland
RESERVE Inner diameter: 14–18 mm
(0.55–0.71 in.)
8 PV side ground
point
GND N/A
9 DC switch 1 DC SWITCH 1 N/A
10 DC switch 2 DC SWITCH 2 N/A
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Dimensions
Figure 2-9 Dimensions
Figure 2-10 Mounting bracket dimensions
Figure 2-11 Dimensions of reserved holes on the rear
NO TE
Four M5 tapped holes are reserved on the rear of the SUN2000 for installing an awning.
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2.3.2 Indicator Status
Figure 2-12 Indicators
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