Residual current detection of energy storage system
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A residual-current device (RCD) that activates depending on a specified threshold is a common and popular device for determining leakage current. Besides the circuit breaker (CB) function.
The use of residual current protection devices (RCD) to detect high leakage currents and clear feeders that might be supporting an electric shock is the common practice in.
This article describes a machine learning based approach to analyse the residual current on the AC side of a grid-connected PV system over a broad frequency range in realtime. The approach combines a smart RCM sensor system with two machine learning algorithms (pattern recognition and variational autoencoder).
The DC component included in the earth fault current influences the tripping threshold of residual current devices (RCDs)—the devices which are mandatory in certain locations. This paper presents results of the AC-type, A-type, and F-type RCDs sensitivity testing under residual currents of various compositions of the DC component.
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