DPU40D-N06A3, DBU20B-N12A3, and
DBU50B-N12A1 Distributed Power System
User Manual
About This Document ............................................................................................................... ii
1 Safety Precautions .................................................................................................................... 1
1.1 General Safety ....................................................................................................................................................... 1
1.2 Personnel Requirements ........................................................................................................................................ 5
1.3 Electrical Safety .................................................................................................................................................... 5
1.5 Mechanical Safety ................................................................................................................................................. 8
1.6 Battery Safety ....................................................................................................................................................... 11
2 Overview ................................................................................................................................. 15
2.1 Introduction ..........................................................................................................................................................15
2.2 Features................................................................................................................................................................16
2.3 System Configuration ...........................................................................................................................................17
3 Components ............................................................................................................................ 19
3.1 PSU (DPU40D-N06A3) .......................................................................................................................................19
4 (Optional) LIVE-C APP ......................................................................................................... 27
4.1 Installing the LIVE-C APP ...................................................................................................................................27
4.2 Logging In to the LIVE-C APP .............................................................................................................................27
5 Maintenance ............................................................................................................................ 30
5.1 Preventive Maintenance ........................................................................................................................................30
5.1.1 Exterior .............................................................................................................................................................30
5.1.2 Distributed Power Unit ......................................................................................................................................31
5.1.3 Lithium Battery .................................................................................................................................................31
5.1.4 Cable .................................................................................................................................................................32
5.2 Rectifying Common Faults ...................................................................................................................................33
5.2.1 AC Power Failure ..............................................................................................................................................33
5.2.2 AC Overvoltage .................................................................................................................................................33
5.2.3 AC Undervoltage ...............................................................................................................................................34
5.2.4 DC Overvoltage .................................................................................................................................................34
5.2.5 DC Undervoltage ...............................................................................................................................................34
5.2.6 Parallel Fail .......................................................................................................................................................34
Issue 04 (2020-02-29)
Copyright © Huawei Technologies Co., Ltd.
Contents
Contents
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