Related Manuals for Huawei DDSU666-H
Summary of Contents for Huawei DDSU666-H
- Page 1 DDSU666-H Smart Power Sensor User Manual Issue Date 2021-03-01 HUAWEI TECHNOLOGIES CO., LTD.
- Page 2 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 specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...
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Page 3: About This Document
User Manual About This Document About This Document Purpose This document describes the DDSU666-H Smart Power Sensor in terms of its functions, electrical properties, and structure. Figures provided in this document are for reference only. Intended Audience This document is intended for: ●... - Page 4 Issue 02 (2021-03-01) ● Updated 2.6 Installing the DDSU666-H. ● Updated 2.7 Installing the DDSU666-H Cable. Issue 01 (2018-03-01) This issue is the first official release. Issue 02 (2021-03-01) Copyright © Huawei Technologies Co., Ltd.
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Page 5: Table Of Contents
2.2 Working Principles.................................. 5 2.3 Application Scenarios................................8 2.4 Model Naming Conventions..............................9 2.5 Product Structure..................................9 2.6 Installing the DDSU666-H..............................10 2.7 Installing the DDSU666-H Cable............................. 10 3 System Maintenance......................12 3.1 Troubleshooting..................................12 4 Technical Specifications....................... 14 4.1 Environmental Specifications............................14 4.2 Main technical performance and parameter...................... -
Page 6: Safety Precautions
● Install the product in strict accordance with the quick guide. Disclaimer Huawei shall not be liable for any consequence caused by any of the following events: ● Transportation damage Issue 02 (2021-03-01) - Page 7 Do not scrawl or damage any warning labels on the DDSU666-H because these labels contain important information about safe operation. ● Do not scrawl or damage the nameplate on the back of the DDSU666-H because it contains important product information. Installation ●...
- Page 8 Temporary warning signs or fences must be placed to prevent unauthorized people from entering the site. ● The DDSU666-H can be powered on only after all faults are rectified. Failing to do so may escalate faults or damage the device. ●...
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Page 9: Overview
2 Overview Overview 2.1 Product Overview Type DDSU666-H Smart Power Sensor (hereinafter referred to as the " Sensor ") is specially designed for the distributed photovoltaic system, to be a new Smart power sensor, combined with measurement and communication, mainly applied into the measurement for electrical quantity including voltage, current, power ,frequency, power factor, active energy etc. -
Page 10: Working Principles
Sensor as figure 2-2: Figure 2-2 2-2Conceptual diagram Functions ● Metering function: Accurately metering the positive/ reverse active energy and combined active energy, no storage data loss for the sensor after power interruption. Issue 02 (2021-03-01) Copyright © Huawei Technologies Co., Ltd. - Page 11 Cyclic displayed items Content Description Current positive active energy Imp = 1.20kWh Current reverse active energy Exp = 1.00kWh Active power P=1.100kW Voltage U U=220.0V Current I=5.000A Frequency F=50.00Hz ● Button display Issue 02 (2021-03-01) Copyright © Huawei Technologies Co., Ltd.
- Page 12 The sensor can set the communication address and baud rate through buttons. Setting method please see figure 2-4: Long press the button 3s, the sensor will automatically enter into the communication address setting interface, Issue 02 (2021-03-01) Copyright © Huawei Technologies Co., Ltd.
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Page 13: Application Scenarios
It adopts RS485 communication, which can realize the electrical quantity measurement, energy metering function and in respond to the upper host for the real-time data query. Figure 2-5 Application Scenario Issue 02 (2021-03-01) Copyright © Huawei Technologies Co., Ltd. -
Page 14: Model Naming Conventions
230 V 100A/40mA 800imp/kWh transformer 2.5 Product Structure Outline dimension: 36mmx98mmx66mm; Din-rail mounting dimension: 35mm, for the outline and installation dimension, please see Figure 2-7 as below: Figure 2-7 Product dimensions Issue 02 (2021-03-01) Copyright © Huawei Technologies Co., Ltd. -
Page 15: Installing The Ddsu666-H
Install the Smart Power Sensor to the standard din rail from the top to the bottom, and then push the instrument to the din rail from the bottom to the front part. Figure 2-8 Install the smart power sensor 2.7 Installing the DDSU666-H Cable Cable DDSU666-H Type... - Page 16 Connect the L,N voltage lines to the 3, 4 terminals of the collector. Connect current transformer outlets I*, I to terminals 5, 6 of the collector. Connect RS485A and RS485B to the communication host. Figure 2-9 Installing the DTSU666-H Cable Issue 02 (2021-03-01) Copyright © Huawei Technologies Co., Ltd.
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Page 17: System Maintenance
2. Check whether the high & low end of current transformer inlet is reversely connected. Please observe the power of Pa, Pb, Pc, to be abnormal if any negative values. Issue 02 (2021-03-01) Copyright © Huawei Technologies Co., Ltd. - Page 18 DDSU666-H Smart Power Sensor User Manual 3 System Maintenance NO TE Contact the installation vendor if all failure analysis procedures listed above are completed and the fault still exists. Issue 02 (2021-03-01) Copyright © Huawei Technologies Co., Ltd.
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Page 19: Technical Specifications
≤75% RH Atmospheric pressure 86–106kPa 4.2 Main technical performance and parameter 4.2.1 Electrical parameter Table 4-2 Electrical parameter Regulated working voltage range 176–288VAC Extended working voltage range 0.7–1.3Un Working frequency range 45–65Hz Issue 02 (2021-03-01) Copyright © Huawei Technologies Co., Ltd. -
Page 20: Percentage Error
When testing, the current circuit shall be disconnected and the applied voltage of the voltage circuit shall be 115% of the referenced voltage. The shortest testing time Issue 02 (2021-03-01) Copyright © Huawei Technologies Co., Ltd. -
Page 21: Other Technical Parameters
2. When disassembling, please use a screwdriver to forcibly hold the flexible card and then take out the sensor. Dimensions (H x W x D) 36 mm x 100 mm x 65.5 mm (±0.5 mm) Weight ≤ 0.3 kg Issue 02 (2021-03-01) Copyright © Huawei Technologies Co., Ltd. -
Page 22: Acronyms And Abbreviations B
5 Acronyms and Abbreviations B Acronyms and Abbreviations B direct current electrical fast transient electromagnetic interference electromagnetic susceptibility electrostatic discharge maximum power point tracking MPPT power line communication radiated emission radiated susceptibility Issue 02 (2021-03-01) Copyright © Huawei Technologies Co., Ltd.