Through our leadership, expertise and passion for partnership, we always think forward in pursuit of a brighter energy future; one that advances the performance of every customer, whilst creating lasting value for the communities they serve. With more people demanding low-power connectivity to bring their devices together while freely moving around and the current networks being inadequate, cellular IoT became a no-brainer. This is mainly used as a way to measure power consumption and collect data from the energy consumer. Data throughput and latency are both significantly enhanced here.
Most 2G/3G networks employed in smart metering are part of the Global System for Mobile Communications (or GSM), using General Packet Radio Service (GPRS) for its low costs. No more manual meter reading in remote areas; Doesnt require concentrators or gateway devices; Easy data visualization thanks to unified dashboards. 
Compatible interfacing and DC power provision; Approval for connection to mobile networks; Is it reliable and easy enough to implement? A repeater installed on a pole can be seen in Figure 4. /Length1 17268 In a constantly evolving smart grid environment, adapting to change requires tackling innovation head first. Depending on the application, energy, gas, or water metering, you may have one or more sensors interfaced to front end electronics, an energy source with the associated power management circuitry, a communication node, and a microcontroller for system management. For example, because RF and cellular solutions are physically separate from electricity lines a network unto itself they cannot receive any information about electricity lines or power quality of the distribution network. Also, weather conditions and metallic objects like drain pipes or parked cars can compromise antenna performances and radio waves propagation.
Interested in the latest news and articles about ADI products, design tools, training and events? Similarly to our first modem, the WM-ES2 also features RS232 and RS485 connection capabilities but for the Itron ACE6000, ACE8000, and ACE SL7000 meters. Modems are essentially small computers equipped with the necessary chips and modules to hook your meter to the cellular network. Figure 3 shows MultiReader-C units installation where each unit is connected to three pulse emitter devices. Before you choose a technology to work with, consider three things: With NB-IoT taking the lead in the cellular game, we highly recommend testing it on a few smart meters to see the benefits firsthand before investing on your entire infrastructure. 
Growing investment in smart grid projects is key to the success of not only smart metering, but also cellular connectivity as a means to collect data within this niche. Published by Elsevier Ltd. https://doi.org/10.1016/j.clet.2022.100424.
In the beginning, tThe two most popular technologies for advanced metering infrastructures were traditional options are: In recent years though, a lot of attention shifted to Low-Power Wide Area Networking (LPWAN), of which cellular IoT technologies are a part.
Of the same family, the ADF7023 embeds an 8-bit communication processor for the packet handling, radio control, and smart wake mode functionality. Flexibility is one of the main characteristics of these devices. Several parameters can be programmed in order to achieve the best trade-off between performance and power consumption. Smart metering is a digital technology that enables utilities to streamline their activities, reduce operational costs, wastage, and outages. It is used in over 40 million meters worldwide and has been proven to be highly successful with unmatched reliability. \6>ITwiFIbA]UOPBU'wT5+JS/6vkaEKa|Es_=rSEDHwc7Ad B2pG]xC(.MmM MB While electricity meters often come with a connection port, gas and water meters arent usually equipped with this hardware and the infrastructure may not comply with the requirements. Narrowband IoT (NB-IoT) for Smart Metering. Networks made of 100% fiber optic cables are still being deployed across various regions in the United States, Europe, and other parts of the world making the costs often prohibitive. Data from RF meters is limited to only what the meter can provide. These services have changed the requirements for how data is extracted from the meters, and also the technological requirements for these systems. But as no solution fits all needs, they each represent a trade-off between desired features and undesired consequences. Weve briefly talked about the three non-cellular technologies used as part of the smart grid. By clicking Accept All, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. Only suitable for restricted ranges with high concentrations of RF modules; Signal interference due to devices utilizing the same public frequencies; Vulnerable to obstructions such as thick walls or trees. WiMax is a wireless communication standard that is less known in the metering space (and outright ignored by many companies due to heavily shared bandwidth among users) but which has some interesting propositions. Utilities not only deliver a resource, they deliver a variety of services all based on the data collected from the meters in the field. However, detailed data requires robust and reliable communication, which is an important consideration when designing and developing a smart metering system. The meters are requested to work for several years, 10 or even 15 years, with a limited source of energy, in a hostile environment. No single solution proved to be optimal so far.. most companies design a system that uses the combination of multiple communication technologies to achieve their goals. This is a big alarm bell for most utilities employing the networks.What should they do now?The options usually narrow down to three things: In most cases, the first option will be the most popular due to lower costs. Not only is it cheaper than most wired solutions but it can also outperform wireless smart metering methods such as RF Mesh or LoRaWAN. Download PDF. Cellular connectivity has been used across the world for many different use cases, not just mobile phone communications. The NES System consistently provides greater than 99.8% remote daily meter reads.
1995 - 2022 Analog Devices, Inc. All Rights Reserved, RF Integrated Transmitters, Receivers, and Transceivers. Networked Energy Services Corporation (NES) is a global smart energy leader in the worldwide transformation of the electricity grid into an energy control network, enabling utilities to provide their customers with a more efficient and reliable service, to protect their systems from current and emerging cybersecurity threats, and to offer innovative new services that enable active, intelligent use of energy. The installation process depends on the device manufacturer. How do you achieve these benefits and whats the gist of a smart grid? This data doesnt necessarily reflect market adoption trends but it does give us an insight into which technologies are most searched (and thus more popular). The NES Systems underlying OSGP based PLC technology helps make the smart grid smarter. He holds a Master of Science in Physics from Universit degli Studi of Milan, Italy. This is due to clear benefits provided by stable 4G LTE technology which has spread across the world rapidly. Of course, not all power line technologies are designed the same, and not all PLC systems can provide all of these capabilities. Also, most meter manufacturers are considering the 2.4 GHz worldwide free frequency band; however, for a given power consumption, radios communicating at these frequencies have a shorter range than sub-GHz radios.
It will be possible to know the energy consumption of a washer cycle, the water required to water the garden, the daily gas consumption for heating. Three Inputs MultiReader-C Units. With narrowband IoT coming into play, providing cellular connectivity all the way down to the meter is now feasible and, in many cases, beneficial to utilities.
It also establishes a performance threshold that other smart metering technologies have yet to attain. Read more about our privacy policy. With smart metering benefitting from NB-IoT most, LTE-M may become a worthy contender in the future. This shows us that PLC is the technology of choice in the smart metering market today and it also proves that wireless communications are used to reinforce and amplify this backbone, with PLC acting as a strong fallback solution. Past experiences include INFN, the Italian Institute for Nuclear Physics, defining and developing instrumentation for nuclear physics experiments, collaboration with small companies, developing sensors and systems for factory automation, Thales Alenia Space, as a senior design engineer for satellite power management systems. With detailed analytics, utilities can use data to reduce production and distribution costs, enhance customer service and provide consultancy help for energy optimisation. The modem forms part of the AMI (Advanced Metering Infrastructure) of the utility company and is therefore highly adaptable to use cases where cellular connectivity is a requirement. The benefits of smart meters for utilities have been long discussed: But with that, theres also a question of how. This provides the benefit of utilizing current widespread infrastructure without laying dedicated cables. PLC is especially suited for energy metering, being the power-line carrier available for free; for water and gas meters, SRD is becoming the obvious choice due to the lack of a suitable power-line carrier. A battery powered wireless network for water monitoring is a difficult task. For any interest in piloting this technology, Indian Discoms can approach us at [emailprotected] and we will be pleased to work with you with our secure end-to-end AMI solution. 2. Some utilities who can afford to do so will opt for a completely new infrastructure based on the latest technologies, including smart meters that have built-in LTE modems. The goal was to optimize antiquated grids by allowing end-to-end digital communication between utilities and each individual meter in an attempt to monitor the whole grid. One of the most notable examples is RF Mesh (explained below) which perfectly complements PLC for better service to the consumer. However, PLC is not perfect. Similar to RF Mesh but working in a slightly different way, Zigbee can also be used to build a mesh network used primarily to connect smart meters with data concentrators rather than smart meters with control centres (dashboards). By continuing you agree to the use of cookies. For example, the NES System provides low voltage grid mapping of the distribution grid which can be used to determine transformer loads, isolate outages, proactively identify problems, automatically update GIS information and speed up repair times for the operations team. uses personal information - to make internal, marketing decisions (promotions, trends, visits to visiting companies). Utilities should run their own tests in this case. Several studies show that simple awareness can produce savings of 20% or more. Advanced Metering Infrastructure (AMI) is used by smart energy meters to send real-time consumption data to utilities and customers. While flexible in nature, Zigbee has the following disadvantages: Choosing Zigbee over RF Mesh highly depends on the use case. Analog Devices is in the process of updating our website. Cellular connectivity. However, most meters can be modified in accordance to regulations and accommodate the needs of an LTE connection only if the infrastructure already covers the installation area. 2022 The Authors. It presents a model of a cost-effective hybrid communication system for smart metering and AMI. Growth in low-power cellular connectivity is massive across IoT use cases but can we say the same about smart metering applications? Since the infrastructure was built primarily with delivery of electricity in mind, these cons can be mitigated by mixing PLC with a second technology known as Radio Frequency Mesh (further explored in the wireless technologies section down below). While LTE-M can provide a similar experience at higher performance rates, it is not currently the technology of choice for smart metering. Together, NB-IoT and LTE-M are the two most promising technologies in cellular IoT. Lets take a look at a few statistics: If we take a further look at Google Trends data, we see the following: With PLC and RF Mesh following a similar trend, NB-IoT already has stronger roots in user searches. Now, its time to compare them and understand their pros and cons: PLC takes advantage of existing power-line installations in communication efforts. Utilities should look for solutions that support a variety of applications that fully integrate into future operational plans, but what type of communication solution is best? This technology is not as popular as NB-IoT for smart metering due to higher energy consumption. Following that, an overview of communication technologies and their pros and cons are presented to understand critical aspects of each technology. Based on the challenges, several future research directions are also provided, which may lead to promising findings in the near future. By using the unique characteristics of NESs proven power line technology based on OSGP, the solution can determine the topology and identify connection of actual phase in its portion of the LV grid. Paired with PLC, it provides better accuracy and coverage and, just like PLC, it requires modules that should be installed onto the meters.The pros and cons of RF Mesh are: Due to their differences, integrating PLC as the backbone of the infrastructure and RF Mesh as a technology enabler is a great way to provide a more reliable and accurate experience. Wider range is vital for gas and water meters, which can be placed in hostile environments for RF propagation, like basements and underground pits. So why arent more utilities switching to these technologies?The answer is in the smart grid. But how does cellular connectivity fit into the picture? Smart metering is all about communications. With every extension of the electricity distribution network, the communication network grows accordingly.
Finally, the possible issues and challenges related to communication technologies are discussed. With growing pressure to conserve limited water resources, smart metering provides the utilities with the opportunity to streamline their water distribution processes through data-driven decisions. Finally, LoRaWAN is a newcomer in the smart metering world and, therefore, it is also not as common as other solutions. d *[|GG9cZ3+5L%Ft]PPX0r;*q#eb(%eQB@:01rE@d$OHs@|Eyw~kdf|E*DSW`2 6N*TAJmD[B/Or,^/\rWD$fP+1'b!d9a?L!Wlq,CN%wtg6,ZS_Zy\5k5Kx#},HP#b$OJ-)(A\Vv,iqUh-Y}|\e=pOx6$v =kvc%Yx%c!. The answer lies in a secure and flexible two-way communications infrastructure built on top of existing assets. When a few years ago theWith the open source LoRaWAN technology seemed to takeing the lead, standards organization 3GPP decided it was time to innovate with two new technologies: NB-IoT and LTE-M. Lets take a look at both sides of the equation. This data is made available at the head-end where it can be utilized for GIS integration, outage management system (OMS), detailed load analysis, phase balancing and other grid modernization applications. The most popular devices are the ADF7020 medium band (100 kHz to 200 kHz, up to 200 kbps), the ADF7021 narrow-band (9 kHz to 25 kHz, up to 32 kbps), and their derivatives.
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