| 摘要 |
A current shunt (10) comprises a bundle of four rigid round cylindrical conductors (12.1, 12.2, 12.3, 12.4) arranged in a square two-on-two configuration. Clamping collars (18) are provided at opposite ends on the bundle of conductors for holding them together, and a Z-terminal (22, 24) extends from each clamping collar. Corresponding shunt wires (30, 32) similary extend from each clamping collar, and lead to a metering IC (43). The bundle of elongate conductors have a non-uniform resistance which provides a measurable voltage output proportional to mains current over an operating current range. At least one external compensating resistor (R1, R2) may be provided to compensate for the non-uniform resistance of the current shunt. The current shunt is sized to fit into a DIN housing (36), and typically forms part of a single- or multi-phase electricity meter.
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