Symmetrical component sequence filter

Details Symmetrical component sequence filter Symmetrical component sequence filter

G - Physics

01

R

324/35

G01R 29/18 (2006.01) H02H 3/34 (2006.01)

Patent

CA 1101067

46,446 SYMMETRICAL COMPONENT SEQUENCE FILTER ABSTRACT OF THE DISCLOSURE A symmetrical component sequence filter which provides a signal responsive to a predetermined sequence quantity of an electrical power system, while using only one phase shift other than 180 degrees. A single reactive element provides the phase shift. A single adjustable resistor calibrates the filter when the reactive element is non-precision. Selecting a precision reactive element eliminates even the single adjustment. The symmetrical component sequence filter enables both a positive and a negative sequence component to be simultaneously derived from common processing circuitry, requiring only one addi- tional reactive element.

315636

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