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1. WO2022010535 - SYSTEM AND METHOD FOR DETECTING AND ISOLATING AN ELECTROMAGNETIC PULSE FOR PROTECTION OF A MONITORED INFRASTRUCTURE

Publication Number WO/2022/010535
Publication Date 13.01.2022
International Application No. PCT/US2021/012893
International Filing Date 11.01.2021
IPC
H02H 9/04 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
9Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
04responsive to excess voltage
CPC
H02H 3/08
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
3Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection
08responsive to excess current
H02H 3/105
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
3Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection
08responsive to excess current
10additionally responsive to some other abnormal electrical conditions
105responsive to excess current and fault current to earth
H02H 3/22
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
3Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection
20responsive to excess voltage
22of short duration, e.g. lightning
H02H 5/00
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
5Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
H02H 5/005
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
5Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
005responsive to ionising radiation; Nuclear-radiation circumvention circuits
H02H 9/005
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
9Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
005avoiding undesired transient conditions
Applicants
  • CARTHY, Timothy, A. [US]/[US]
  • DOYNOV, Plamen [US]/[US]
Inventors
  • CARTHY, Timothy, A.
  • DOYNOV, Plamen
Agents
  • REAM, Dale J.
Priority Data
16/925,60010.07.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEM AND METHOD FOR DETECTING AND ISOLATING AN ELECTROMAGNETIC PULSE FOR PROTECTION OF A MONITORED INFRASTRUCTURE
(FR) SYSTÈME ET PROCÉDÉ DE DÉTECTION ET D'ISOLATION D'UNE IMPULSION ÉLECTROMAGNÉTIQUE PERMETTANT DE PROTÉGER UNE INFRASTRUCTURE SURVEILLÉE
Abstract
(EN) A system and method for suppressing EMP-induced electrical system voltage surges due to detonation of a nuclear weapon, the EMP comprising El, E2, and E3 component pulses. A plurality of shunting assemblies, each including MO Vs, gas discharge tubes, other mechanical, electrical and ionization discharge devices and combinations thereof, detect and react to the overvoltage according to timing parameters associated with each of the El, E2, and E3 components and shunt the overvoltage to decrease to under a predetermined allowable level. Respective shunting assemblies may include automatic self-monitoring of any faults in respective circuitry and also a challenge mode for on-demand circuit monitoring using an optical coupling switch, the optocoupler including an infrared light supplied by an LED flashlight and having a phototransistor light receiver.
(FR) L'invention concerne un système et un procédé de suppression de surtensions de système électrique induites par des impulsions électromagnétiques (EMP) causées par la détonation d'une arme nucléaire, les EMP comprenant des impulsions composantes E1, E2 et E3. Une pluralité d'ensembles de shunt, contenant chacun des MOV, des tubes à décharge gazeuse, d'autres dispositifs de décharge mécaniques, électriques et par ionisation et des combinaisons de ceux-ci, détectent et réagissent à la surtension selon des paramètres temporels associés à chacune des composantes E1, E2 et E3 et shuntent la surtension pour la réduire jusqu'au-dessous d'un niveau acceptable prédéterminé. Des ensembles de shunt respectifs peuvent comprendre une auto-surveillance automatique d'un quelconque défaut dans des circuits respectifs ainsi qu'un mode de défi pour une surveillance de circuit à la demande à l'aide d'un commutateur de couplage optique, le photocoupleur comprenant une lumière infrarouge fournie par une lampe torche à DEL et un récepteur de lumière à phototransistor.
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