Cable Powering Into A Distributed Load (1995)

By Doug Welch, Lectro Products, Inc

The process of modeling a distributed load cable system is performed. Basic power pack models are developed and tested. A cable network simulation is created using these models to study interactions between components of a distributed load. Steady state testing results show current waveform of a simulated power pack is highly dependent upon location in the network. Input power disruption is used to study effect of power disturbance in distributed load network. Most significant result is that a small 8mS disruption causes a voltage drop at one node from 43.5VAC to 34.6VAC for a duration of over 50mS. Proves that small transfer times < 1 OmS can disturb network sufficient to exceed power pack hold-up times.

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