Browse Prior Art Database

Voltage Offset Load Distribution System

IP.com Disclosure Number: IPCOM000081409D
Original Publication Date: 1974-May-01
Included in the Prior Art Database: 2005-Feb-27
Document File: 2 page(s) / 33K

Publishing Venue

IBM

Related People

Rohrer, GD: AUTHOR

Abstract

An improved power distribution network for modular electrical or electronic equipment assemblies is illustrated in the drawing, in which three tandem aligned modules M1, M2 and M3 are to be supplied with power from a power supply PS associated with the first module M1. It is considered that one side of the power supply PS is grounded to the general ground return of the modules, which are solidly and metallically attached to each other. In addition, one or more grounding conductors, such as CG, extend through the modules, so that the modules are connected to the power supply by ground connections of relatively low impedance. Thus the ground terminal PSG of the power supply is connected to each of the ground terminals M1G, M2G and M3G in their respective modules, by a very low impedance.

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Voltage Offset Load Distribution System

An improved power distribution network for modular electrical or electronic equipment assemblies is illustrated in the drawing, in which three tandem aligned modules M1, M2 and M3 are to be supplied with power from a power supply PS associated with the first module M1. It is considered that one side of the power supply PS is grounded to the general ground return of the modules, which are solidly and metallically attached to each other. In addition, one or more grounding conductors, such as CG, extend through the modules, so that the modules are connected to the power supply by ground connections of relatively low impedance. Thus the ground terminal PSG of the power supply is connected to each of the ground terminals M1G, M2G and M3G in their respective modules, by a very low impedance.

The ungrounded terminal PSP of the power supply is connected to the ungrounded terminals M1P, M2P and M3P, in their respective modules by a multiple conductor cable assembly which is of one standard form, irrespective of which module it is associated with. Such an assembly comprises four conductors of the same gauge, such as L1, L2, L3 and L4, with appropriate connector blocks at each end which mate with the corresponding connectors for the adjacent modules, such as C1, C2, C3 and C4. It will be noted that conductors L1 and L2 are connected straight through, but conductors L3 and L4 are interchanged between connectors. It will be apparent fro...