Huawei AMI Solution. Development Trend. Huawei AMI Solution. 2.1 Solution Architecture

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3 1 Development Trend Metering, charging, user management, and line loss have been major concerns of utility. In the past, due to the lack of effective communication measures, employees had to go to households to collect meter data once a month. Problems including inaccurate metering, ineffective power theft prevention, long charging period, and inaccurate line loss calculation often occurred, causing high O&M costs of utility. Advanced Metering Infrastructure (AMI) provides utility with smart metering solution based onbidirectional highspeed communication. AMI reads data on remote electrical meters and realizes real-time charging.it also effectively prevents electricity theft through a complete user management system and analyzes line loss statistics to achieve highly efficient operation. 2 As a world-leading information and communication solution provider, Huawei has accumulated rich experiences in the ICT field. Based on its experiences in the electric power field, and PLC-IoT which is conforming to the IEEE P standard, Huawei launches the AMI solution to implement intelligent meter reading, analyze line loss, and enhance interaction between utility and users. The solution improves user experience, power supply quality, and O&M efficiency, and reduces O&M costs. 2.1 Solution Architecture is based on IoT technologies and open architectures. Huawei with partners provides an E2E solution. The solution provides the terminal layer, network layer, platform layer, and application layer. Terminals and application software are provided by partners, and network communication and management&control component are provided by Huawei. Terminal &Metering layer: includes smart electricalmeters and Data Concentrator Units (DCUs). Besides traditional meter reading, smart electrical meters also provide data communication. Electrical metersuse communication modesin different scenarios, for example, GPRS backhaul, aggregation to the DCU through RS485, Huawei Broadband PLC(PLC-IoT), or RF, and backhaul through the DCU.

4 Network layer: provides communication between the DCU and the platform layer. It offers wireless and wired networks in different regions under different scenario, for example, xpon and MSTP networks and 3G network, meeting diversified requirements of customers. Management Control layer: Management Control component provides standard data collection and control service and interface for application, including:interface management, security management, log management, fault management, operation monitoring, device management,device data collection and control service management, etc. Application layer: is the power operation system. Based on electrical meter data provided by the platform layer, it provides advanced applications, such as prepayment, charging, customer relationship management (CRM), and line loss analysis. Application Billing Line loss analysis Anti-theft analysis CRM Management & control EEM Enterprise Energy Module Data collection and control service Network Network DCU DCU Terminal RF PLC/RS485 GPRS Figure 1 Huawei AMI solution networking

5 2.2 Key Features 1. Flexible Configuration and Complete Coverage in Different Meter Reading Scenarios Abundant electrical meter types: Supports metering in different scenarios such as residential users, industrial users, commercial users, and gateways of transformer district. Flexible installation: Supports separated and centralized installation, installation using guide rails and wall installation. Various communication modes: Supports PLC-IoT, RS485, RF and GPRS backhaul. 2. Innovative Technology Realizing High-speed Data Collection World-leading broadband PLC (PLC-IoT) at the application layer provides the rate larger than 2 Mbit/s, which is 20 times higher than the rate of narrowband PLC, and has conformed to the IEEE P standard. The daily metering success rate is improved from 80% to100%, realizing real-time and bidirectional communication. The technology meets the full-data-collection and full-fee-control requirements of the future intelligent grid, and helps utility to explore business growth opportunities in home IoT. The DCU integrates routing, firewall, and VPN functions, provides data encryption, ensures data security, and can be used for power distribution automation, realizing power distribution and assumption integration. The solution provides visual management on network-wide devices, supports remote upgrade of meters and DCUs, and realizes highly efficient O&M. 3. Open Architecture, Helping Utility to Increase Revenues Huawei open AMI architecture integrates electricity value-added services and improves electricity operation efficiency. Supports line loss analysis and electricity theft prevention technology, and reduces losses of utility. Supports prepayment and collects electricity fees two months in advance.

6 2.3 AMI Solution Benefits 1. Reduce labor and operation cost Automatic data reading and remote control will avoid manual wrong operation, improving accuracy rate of meter data collection, and reduce labor cost and operation cost. 2. Speed up the collection of electricity charge Provide two kinds of prepayment modes including STS local prepayment and online prepayment, pay before consumption shorten 2 months bill periods, to maximize margins and cash flow. 3. Monitor electricity power theft Detect, analyze, and identify attempts or actions for power theft by E2E solution. As a result, AMI solution will help restrain power theft and reduces economic losses. 4. Improve customer satisfaction Multiple remainder fee ways (SMS, , telephone, smart phone APP) and forms of payment (website, mobile phone, bank, scratch card, POS, remote recharge), user-friendly, greatly improving customer satisfaction. 2.4 Key Scenarios also provides electric power operation services, which meet electric power customer s requirement. For example, the solution provides various scenarios,such as :Line Loss Analysis,On-site Collecting Evidence of Electricity Theft,Convenient Multi-ways Payment and Fee Tactics,Abnormal Data Monitor Locates Electricity Theft, and so on. Substation Line Loss Feeder Line Loss Locate &On Site Inspection Public TA Line Loss Line Loss & Anti-tamper Figure 2 Line Loss Analysis Finds High Line Loss Unit

7 Period inspection task 1 Task Set Special inspection task 4 Fines and Fees 2 Path Planning 3 On-site verification, Forensics, record Figure 3 On-site Collecting Evidence of Electricity Theft

8 Self-service Terminal Bank Transfer Customer Service Scratch Card Payment Website POS (Point of Sale) Bill Figure 4Convenient Multi-ways Payment and Fee Tactics Meter Data Meter Event Visualization Monitor and Alarm Detection Filtering Locate Theft Meter Exception Event Data Line Loss Abnormal Data Consumption Abnormal Data Figure 5 Abnormal Data Monitor Locates Electricity Theft

9 3 Components ApplicationSystem Key Component Product Description Electricity operation system software Billing CRM Asset Management Fee Collection Prepayment MDM Call Center Website Scratch Card SMS System MS Metering System Support Management Charging system, provide tariff Management,Billing Management,Bill Management; Provide Customer Management, Power Inspection Management, Business Acceptance; Purchase, profile creation, storage, and running management of meters and DCUs,provide,Facility Management, Inventory Management, Delivery Management; Provide Collection Management, Penalty Management, Dunning Management, Prepayment Management; Prepaid electricity sales management and STS token management Line loss analysis, electricity theft analysis, VEE (Validation, Estimation, Edit), and grid (power supply regions and lines) management, Gateway Metering Point Management, Monitoring Analysis Real-time telephone services, including troubleshooting, complaints, and consultation, provide IVR, Business Handling, Customer Contact, Auxiliary Functions; Provide services such as website query, consultation, and complaints, Service Guide; Provide -Card Manufacturing Management, Business Acceptance, Overall Query SMS platform Provide Archives Management, Operation Management, Data Collection Management, Credit Control Management, Power Control, Disconnection Management; Provide Workflow Management, Organization and Authority Management, System Parameter Management, Task Scheduling Management, Interface Integration Management, System Log Management; Management Control System Key Component Product Description Management Control software Agile Controller interface management, security management, log management, fault management, operation monitoring, device management,device data collection and control service management, etc

10 DCU Key Component Product Description Concentrator Collector AR532 AR501C1Pa Fixed interfaces: Support FE, SFP GE/FE SFP,2 x RS485, 2 x DI, 1 x DO,1 x RS232, 1 x USB2.0 Support 1 SIM card for 3G uplink,supportrf (433MHz,868 MHz,915 MHz,925 MHz), Support RF 6LowPAN IP51, dustproof, waterproof Fanless design, works at temperatures from -25 C to +70 C Fixed interfaces: RS485*1, DI*1, IRDA*1 Support PLC-IoT IP51, dustproof, waterproof works at temperatures from -25 C to +70 C AR532 AR501C1Pa Smart Meter Key Component Product Description Three Phase Electronic Energy Meter Single Phase Electronic Energy Meter Three Phase VT/CT Electronic Energy Meter Three Phase CT Electronic Energy Meter Three-phase STS prepaymentelectronic Energy meter Single-phase STS prepaymentelectronic Energy meter CL730S22 CL730K22 CL730D21H CL730D21L CL730S11 CL710K11 SupportSTS Prepayment or postpaid, with the precision of class 0.5s/Class1.0s Communication mode support: PLC-IoT/RF915M/433M/GPRS Support STS Prepayment or postpaid, with the precision ofclass1.0s Communication mode support: PLC-IoT/RF915M/433M/GPRS Three-phase meter, with the precision of class 0.5s uses GPRS and can be configured with VTs or CTs based on scenarios. Three-phase meter, with the precision of class 0.5s uses GPRS/PLC-IoT and can be configured CTs based on scenarios support: keyboard-separate/integrated; Communication mode support: PLC-IoT/RF/GPRS support: keyboard-separate/integrated; Communication mode support: PLC-IoT/RF

11 CL730S22 CL730K22 CL730S11 CL710K11 CL730D21L CL730D21H 4 Why Huawei As a global leading Information and Communications Technology (ICT) solutions provider, Huawei persists in customer-centric innovations. Huawei products and solutions have been deployed in over 140 countries, serving more than one third of the world's population. Through cooperation with partners, Huawei provides comprehensive and efficient ICT solutions and services to global governments, industries in terms of public affairs, finance, transportation, electricity, and energy, and enterprises. Based on years of technology accumulation in the communication industry and over 20 years' experience in the electric power industry, Huawei has launched the AMI solution after building intelligent networks in the power generation, transmission, transformation, distribution, and scheduling processes. The solution realizes full coverage of electric power and contributes to building an interactive, transparent, and high-quality electricity environment for global customers.

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