Utility power meters often must rely on a current transformer for polyphase applications. Current transformers have drawbacks: They are relatively expensive, require additional copper wiring, and can ...

Sunnyvale, CA – A new chipset from Maxim Integrated Products reduces the bill of materials (BOM) cost of a polyphase energy meter. The MAXQ3108 and DS8102 together replace three high-cost current ...

[Renaud] built a AC power meter from scratch. While commercial power meters like the Kill A Watt are available [Renaud’s] build gives an interesting insight into the methods used. At the heart of ...

Current transformers can perform circuit control, measure current for power measurement and control, and perform roles for safety protection and current limiting. They can also cause circuit events to ...

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Promising to lower the BOM for polyphase energy meters, the MAXQ3108 and DS8102 chipset replace three high-cost current transformers with three low-cost shunts. The DS8102 integrates two second-order, ...