Electrical energy power metering designs vary with capabilities such as accuracy compliance, sampling rates, harmonic measurements and algorithm calculations, just to name a few. It is important to continuously monitor the harmonic levels to ensure they are not exceeding certain limits.
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Advancements in power metering include features such as interval data logging. These features enhance the functionality of the power metering deployed when interval data logging functions are supported, allowing automatic capture and storage of data on board the device.
There is a barrier to connectivity to electrical metering data. This is due to 50 year old technology often referred to as a ‘High Level Interface’ or HLI.
Electricity meters come in many forms. Understanding features and capabilities, as well as the requirements of an application, can ensure that today’s meter will meet tomorrow’s requirements.
There is a significant difference between low cost metering solutions and advanced smart meters. Subsequently, there is a wide gap between how more advanced solutions can serve applications best instead of traditional low cost metering implementations.
From January 2013, the exemption for energy meters used for trade (billing customers) was lifted, meaning energy meters used in residential, commercial and other businesses environments must now have NMI (National Measurement Institute) approval.
