Regulation of the charging current or voltage by variation of field

Full Title

Circuit arrangements for charging or discharging batteries or for supplying loads from batteries > for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle > Regulation of the charging current or voltage by variation of field

Classification Context

Section:

ELECTRICITY

Class:

GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER

Subclass:

ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY

Child Classifications

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• H02J 7/18 due to variation of ohmic resistance in field circuit, using resistance switching in or out of circuit step by step
• H02J 7/2 due to variation of continuously-variable ohmic resistor
• H02J 7/22 due to variation of make-to-break ratio of intermittently-operating contacts, e.g. using Tirrill regulator
• H02J 7/24 using discharge tubes or semiconductor devices
• H02J 7/26 using magnetic devices with controllable degree of saturation
• H02J 7/28 using magnetic devices with controllable degree of saturation in combination with controlled discharge tube or controlled semiconductor device
• H02J 7/3 using armature-reaction-excited machines