Related Manuals for Huawei DTSU666-H
Summary of Contents for Huawei DTSU666-H
- Page 1 DTSU666-H 100 A and 250 A Smart Power Sensor User Manual Issue Date 2024-05-06 HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
- Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei Digital Power Technologies Co., Ltd. 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
About This Document About This Document Purpose This document describes the DTSU666-H (100 A/40 mA) and DTSU666-H 250 A/50 mA Smart Power Sensor in terms of its functions, electrical properties, and structure. DTSU666-H (100 A/40 mA) is abbreviated as DTSU666-H. - Page 4 DTSU666-H 100 A and 250 A Smart Power Sensor User Manual About This Document Symbol Description 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.
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Page 5: Table Of Contents
DTSU666-H 100 A and 250 A Smart Power Sensor User Manual Contents Contents About This Document........................ ii 1 Safety Precautions........................1 2 Overview............................4 2.1 Product Overview..................................4 2.2 Working Principles.................................. 5 2.2.1 Conceptual Diagram................................5 2.2.2 Functions....................................6 2.3 Application Scenarios................................9 2.4 Model Naming Conventions............................. -
Page 6: Safety Precautions
DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 1 Safety Precautions Safety Precautions General Safety ● Follow the precautions and special safety instructions provided by Huawei when operating this product. Personnel who plan to install or maintain Huawei devices must receive a thorough training, understand all necessary safety precautions, and be able to correctly perform all operations. - Page 7 PV power system and local regulations. ● Operation personnel must wear proper personal protective equipment (PPE). Protect Labels Do not scrawl or damage the nameplate on the back of the DTSU666-H or DTSU666-H 250 A/50 mA 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 DTSU666-H or DTSU666-H 250 A/50 mA 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 DTSU666-H and DTSU666-H 250 A/50 mA Smart Power Sensor (here in after referred to as the "sensor") adopts large-scaled integrated circuit with digital sampling technology, specially designed for power monitoring and energy metering demands including power system, communication industry, construction... -
Page 10: Working Principles
DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 2 Overview Figure 2-1 DTSU666-H or DTSU666-H 250 A/50 mA 2.2 Working Principles 2.2.1 Conceptual Diagram The instrument is composed of highly accurate metering integrated circuit (ASIC), management MCU, storage chip, RS485 communication module, etc. The... -
Page 11: Functions
DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 2 Overview 2.2.2 Functions ● Display function: The displayed interfacial electrical parameter and power data are both primary-side data (which is calculated based on the value of the current and voltage). - Page 12 DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 2 Overview Table 2-2 Display (change by key) Display Interface Instruction Display Interface Instruction Comb.active Positive energy active energy = = 7654.33 10000.0 Negative None parity, active 1 stop bit,...
- Page 13 DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 2 Overview NO TE ● Change by key " ". ● Comb. active energy = Imp. active energy – Exp. active energy ● Programming function: Table 2-3 Programming function...
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Page 14: Application Scenarios
DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 2 Overview Figure 2-4 Setting example for modifying communication address or baud rate ● Communication function The Sensor has an RS485 communication interface, the baud rate can be changed between 1200 bps, 2400 bps, 4800 bps and 9600 bps. The default... -
Page 15: Model Naming Conventions
DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 2 Overview NO TE The smart power sensor is mainly used for power control at the grid-connection point. The measured energy yield and electricity consumption are for reference only and cannot be used as a basis for calculating electricity fees. -
Page 16: Product Structure
DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 2 Overview Table 2-4 Model specification Model No. Accuracy Referenced Current Instrument Type Grade Voltage Specification Constant DTSU666-H Active 3 x 230/400 V 100 A/40 mA class 1 imp/kWh... - Page 17 DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 2 Overview Figure 2-8 100 A CT dimensions Figure 2-9 250 A CT dimensions Appearance Differences between DTSU666-H and DTSU666-H 250 A/50 mA: ● Parameters on the panel Figure 2-10 DTSU666-H Issue 06 (2024-05-06) Copyright ©...
- Page 18 DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 2 Overview Figure 2-11 DTSU666-H 250 A/50 mA ● Nameplate Figure 2-12 DTSU666-H Figure 2-13 DTSU666-H 250 A/50 mA Issue 06 (2024-05-06) Copyright © Huawei Digital Power Technologies Co., Ltd.
- Page 19 DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 2 Overview Performance and Specifications Table 2-6 Performance and specifications Category DTSU666-H DTSU666-H 250 A/50 Nominal voltage 230 V AC / 400 V AC 230 V AC / 400 V AC Measurement range 0–100 A...
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Page 20: System Maintenance
DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 3 System Maintenance System Maintenance 3.1 Troubleshooting Table 3-1 Common alarms and troubleshooting measures Fault Factor Analysis Troubleshooting Phenomenon No display after 1. Incorrect wiring mode. 1. If the wiring mode is incorrect,... - Page 21 DTSU666-H 100 A and 250 A 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 06 (2024-05-06) Copyright © Huawei Digital Power Technologies Co., Ltd.
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Page 22: Technical Specifications
DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 4 Technical Specifications Technical Specifications 4.1 Environmental Specifications Table 4-1 Environmental specifications Item Specifications Regulated working -25°C to +60°C temperature range Limited working -40°C to +70°C temperature range Relative humidity (annual ≤... - Page 23 DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 4 Technical Specifications Item Specifications Ib ≥ 10 A ≤ 0.4 VA Data storage time after power ≥ 10 years interruption Percentage Error Table 4-3 Limited value of active percentage error of the energy meter on...
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Page 24: Emc Specifications
DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 4 Technical Specifications Start Under the power factor of 1.0 and 2‰ In, the instrument can be started with continuous metering (if it is multiple phase instrument, then it has balanced load). -
Page 25: Structure Specifications
DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 4 Technical Specifications 4.4 Structure Specifications Table 4-6 Structure specifications Item Specifications Installation mode Directly stuck the sensor on the din rail and finally install it on the power distribution box. - Page 26 DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 4 Technical Specifications DTSU666-H or DTSU666-H 250 A/50 mA Wiring Terminal Instruction (Three- Phase Four-Wire) Cable DTSU666-H Type Conductor Outer Source Cross- Diameter sectional Area Range AC power Ua-3...
- Page 27 DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 4 Technical Specifications Figure 4-2 Three-phase four-wire (supported model: DTSU666-H or DTSU666-H 250 A/50 mA) DTSU666-H 250 A/50 mA Wiring Terminal Instruction (Three-Phase Three- Wire) Operating voltage: 0.7–1.3 Un Three phase three wire: Connect the Ua, Uc, Ub voltage lines to the 3, 9 and 10 terminals of the collector.
- Page 28 DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 4 Technical Specifications Figure 4-3 Three-phase three-wire (supported model: DTSU666-H 250 A/50 mA) Issue 06 (2024-05-06) Copyright © Huawei Digital Power Technologies Co., Ltd.
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Page 29: Current Transformer
DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 5 Current Transformer Current Transformer Application This product is suitable for 50 Hz multi-function electronic energy meter, anti-theft meter, digital display and other electrical measuring equipment. This performance index of the current transformer conforms to the following relevant technical standard: ●... - Page 30 ≥ 500 MΩ/500 V DC Electrical Circuit Diagram Figure 5-1 Electrical Circuit Diagram Product Size The following figures show the CT structure of the DTSU666-H and DTSU666-H 250 A/50 mA meters. Issue 06 (2024-05-06) Copyright © Huawei Digital Power Technologies Co., Ltd.
- Page 31 DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 5 Current Transformer Figure 5-2 CT structure of the DTSU666-H Issue 06 (2024-05-06) Copyright © Huawei Digital Power Technologies Co., Ltd.
- Page 32 DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 5 Current Transformer Figure 5-3 CT structure of the DTSU666-H 250 A/50 mA Issue 06 (2024-05-06) Copyright © Huawei Digital Power Technologies Co., Ltd.
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Page 33: Acronyms And Abbreviations
DTSU666-H 100 A and 250 A Smart Power Sensor User Manual 6 Acronyms and Abbreviations Acronyms and Abbreviations direct current electrical fast transient electromagnetic interference electromagnetic susceptibility electrostatic discharge MPPT maximum power point tracking radiated emission radiated susceptibility Issue 06 (2024-05-06)