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A new concept of more flexible instrumentation for power systems is described. A group of individual transducers is used for measuring the usual electrical quantities and temperature, each producing a high-level d-c output suitable for either analog or digital readout. Conventional d-c mechanisms are used in the end devices, eliminating the need for more complex mechanisms. The operating principles, performance characteristics, and circuit diagrams of six commercially available transducers are given.
American Institute of Electrical Engineers, Part I: Communication and Electronics, Transactions of the (Volume:82 , Issue: 4 )
Date of Publication: Sept. 1963