INSULATION FAULT DETECTION DEVICE FOR TESTING FOR INSULATION FAULTS UNDER CRITICAL CONDITIONS
A device including a bridge assembly including: first, second, third, and fourth nodes, the first and third nodes being connected to a direct voltage source; a first branch connecting the first and second nodes; a second branch connecting the second and third nodes; a third branch connecting the fir...
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| creator | CARCOUET SEBASTIEN CHATROUX DANIEL |
| description | A device including a bridge assembly including: first, second, third, and fourth nodes, the first and third nodes being connected to a direct voltage source; a first branch connecting the first and second nodes; a second branch connecting the second and third nodes; a third branch connecting the first and fourth nodes; a fourth branch connecting the third and fourth nodes; a fifth branch connecting the second and fourth nodes and including a capacitor connected between the second and fourth nodes; a circuit controlling the switches to successively a) close the switches to charge the capacitor, and b) keep one switch closed and the other switches open; a measuring circuit measuring the current flowing through the capacitor; and a circuit determining magnitude of an insulation fault according to a current measured during b). |
| format | Patent |
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a first branch connecting the first and second nodes; a second branch connecting the second and third nodes; a third branch connecting the first and fourth nodes; a fourth branch connecting the third and fourth nodes; a fifth branch connecting the second and fourth nodes and including a capacitor connected between the second and fourth nodes; a circuit controlling the switches to successively a) close the switches to charge the capacitor, and b) keep one switch closed and the other switches open; a measuring circuit measuring the current flowing through the capacitor; and a circuit determining magnitude of an insulation fault according to a current measured during b).</description><language>eng</language><subject>ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES ; MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PERFORMING OPERATIONS ; PHYSICS ; 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a first branch connecting the first and second nodes; a second branch connecting the second and third nodes; a third branch connecting the first and fourth nodes; a fourth branch connecting the third and fourth nodes; a fifth branch connecting the second and fourth nodes and including a capacitor connected between the second and fourth nodes; a circuit controlling the switches to successively a) close the switches to charge the capacitor, and b) keep one switch closed and the other switches open; a measuring circuit measuring the current flowing through the capacitor; and a circuit determining magnitude of an insulation fault according to a current measured during b).</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PERFORMING OPERATIONS PHYSICS TESTING TRANSPORTING VEHICLES IN GENERAL |
| title | INSULATION FAULT DETECTION DEVICE FOR TESTING FOR INSULATION FAULTS UNDER CRITICAL CONDITIONS |
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