Constant Voltage, Current, and Power Circuits: A Network Theoretic Approach

  title={Constant Voltage, Current, and Power Circuits: A Network Theoretic Approach},
  author={S. C. Dutta Roy},
  journal={IEEE Transactions on Industrial Electronics and Control Instrumentation},
  • S. C. Dutta Roy
  • Published 1981 in
    IEEE Transactions on Industrial Electronics and…
A network theoretic approach is employed to derive a number of circuits for i) constant load current, ii) constant load voltage, and iii) constant magnitude input current, when the load varies over a wide range. It is shown that a circuit delivering constant power to a varying load does not exist, and that the range of load, over which the power does not fall below a specified fraction of the maximum value, bears a constant ratio to the load corresponding to the maximum power. 

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Constant current dc transmission

  • B. D. Bedford C. H. Willis, F. R. Elder
  • Theory and Calculation ofElectric Circuits
  • 1917

Power transmission by direct current

  • B. D. Bedford, F. R. Elder, C. H. Willis
  • General Electric Rev .

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