Patent ID: 9632128
Date: 2017-04-25
CPC Classifications: G01R,H02J,Y02E,Y04S

Claim:
1. A method of utilizing a switching matrix network for performing multiple test measurements on a utility power device, comprising: providing a switching matrix within a voltage source apparatus, wherein: wherein the voltage source apparatus comprises: at least a second processor executing programmable codes stored in a second local memory which configures an internal common high voltage source, an internal low voltage source, and wherein the utilizing of the switching matrix for performing the method of multiple test measurements on the utility power device, comprising: selectively coupling at least both a first and a second lead of respective first and second output ports of the switching matrix to the internal common high voltage source for sending and receiving high voltage signals to a first and a second terminal of the utility power device, wherein the voltage source apparatus, the switching matrix and the utility power device all share a common ground; coupling a first low voltage lead from a respective third output port of the switching matrix to a third terminal of the utility power device, wherein the third terminal is neither a chassis ground nor the common ground of the utility power device; selectively sending a first high voltage signal via the first lead of the switching matrix to a first terminal of the utility power device; measuring respective electrical parameters across the first terminal and the second terminal of the utility power device as a first corresponding signal returned via the second lead of the switching matrix, wherein the second lead is connected to the second terminal of the utility power device; simultaneously measuring respective third electrical parameters across the first terminal and the third terminal of the utility power device returned via the first low voltage lead of the switching matrix, wherein the first low voltage lead is connected to the third terminal of the utility power device; while the corresponding first lead and the second lead and the first low voltage lead of the switching matrix remain electrically coupled to the corresponding first terminal, the second terminal and the third terminal of the utility power device, selectively sending a second high voltage signal via the second lead of the switching matrix to the second terminal of the utility power device, measuring respective electrical parameters across the second terminal and the first terminal of the utility power device as a second corresponding signal returned via the first lead of the switching matrix, wherein the second lead is connected to the first terminal of the utility power device; and simultaneously measuring respective fourth electrical parameters across the second terminal and the third terminal of the utility power device returned via the first low voltage lead of the switching matrix, wherein the first low voltage lead is connected to the third terminal of the utility power device.