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Electrical Improvements Ltd
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Electrical Improvements Ltd
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Application filed by Electrical Improvements LtdfiledCriticalElectrical Improvements Ltd
Application grantedgrantedCritical
Publication of FR576594ApublicationCriticalpatent/FR576594A/fr
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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Business, Economics & Management
(AREA)
Emergency Management
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Engineering & Computer Science
(AREA)
Power Engineering
(AREA)
FR576594D1923-07-271924-02-02Perfectionnements aux dispositifs de distribution de l'électricité
ExpiredFR576594A
(fr)