Title:
POWER SOURCE ANOMALOUSNESS DETECTOR FOR ROTARY MACHINE
Document Type and Number:
Japanese Patent JPS5389949
Kind Code:
A
Abstract:
PURPOSE: To provide a power source anomalousness detector applicable for various sorts of rotary machines, by detecting a direction of current through a vector sum of voltage and current only in a primary circuit of the rotary machine with anomalousness detected for the power source voltage.
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Inventors:
ICHIKAWA HIROAKI
Application Number:
JP392677A
Publication Date:
August 08, 1978
Filing Date:
January 19, 1977
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H02H7/09; H02H3/38; H02H7/00; H02P7/00; H02P29/00; (IPC1-7): H02H3/38; H02H7/00; H02P7/00