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LoRa and LoRaWAN Technology Detailed Explanation and Application Solutions1. What is LoRa? LoRa (Long Range) is a wireless communication technology known for its long transmission distance, low power consumption and strong anti-interference ability. It is particularly suitable for scenarios that require long-term operation and large-scale coverage, such as smart cities and environmental monitoring. (1) Comparison with other wireless communication technologies Compared w... -
Why is the Concept of “Knee-Point Voltage” Critical for Protection Current Transformer Performance?In the intricate world of electrical power systems, safety and reliability are not merely desirable attributes; they are fundamental, non-negotiable requirements. At the heart of this safeguarding infrastructure lies a seemingly simple device: the protection current transformer. Its primary function is to accurately scale down high primary currents to standardized, low-level secondary values, prov... -
AC Energy Meters: A Comprehensive Guide to the Most Common TypeThe accurate measurement of electrical energy is a cornerstone of the modern world, facilitating commerce, enabling grid management, and empowering consumers to understand their consumption. At the heart of this process lies the electricity energy meter, a ubiquitous device found in virtually every residential, commercial, and industrial establishment. While the term encompasses a range of technol... -
How Do Smart Meters Enable Precise Load Profiling and Demand-Side Management?The traditional electrical grid, for much of its history, operated on a simple, one-way principle: generate power, transmit it, distribute it, and bill customers based on a cumulative reading from a mechanical meter. This model offered limited visibility into how and when energy was consumed. The modern grid, however, demands intelligence, efficiency, and resilience. At the heart of this transform... -
Single-Phase vs. Three-Phase: Which Multi-Circuit Meter is Right for Your Application?The accurate measurement and management of electrical energy are fundamental to the operational and financial efficiency of modern commercial, industrial, and multi-tenant residential buildings. A multi-circuit energy meter has emerged as an indispensable tool for this purpose, providing a centralized solution for monitoring multiple individual circuits from a single device. However, a critical de... -
Blockbuster New Product | Acrel APM521 Electricity Meter Obtains UL Certification, Quality Upgrade Adds New Strength!Acrel APM521 New Product UL Certification: Embarking on a New Journey in Global Power Monitoring Against the backdrop of growing global energy management demands and increasingly complex power systems, a precise, reliable, and fully functional power meter is undoubtedly key to ensuring the stable operation of power grids. Today, we are proud to introduce Acrel’s newly launched APM521 network power...
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