(0)H02J:1/1:
IPC6
SECTION H - ELECTRICITY
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR...
H02J
2/2
<<   >>   H02J004/00 - H02J015/00  

4
/ 00 Circuit arrangements for mains or distribution networks not specified as ac or dc [2]
 

 5
/ 00 Circuit arrangements for transfer of electric power between ac networks and dc networks (H 02 J 3/36 takes precedence)
 

 7
/ 00 Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

7
/ 02 • for charging batteries from ac mains by converters  

7
/ 04 • • Regulation of the charging current or voltage  

7
/ 06 • • • using discharge tubes or semiconductor devices  

7
/ 08 • • • • using discharge tubes only  

7
/ 10 • • • • using semiconductor devices only  

7
/ 12 • • • using magnetic devices having controllable degree of saturation, i.e. transductors  

7
/ 14 • for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle  

7
/ 16 • • Regulation of the charging current or voltage by variation of field  

7
/ 18 • • • due to variation of ohmic resistance in field circuit, using resistance switching in or out of circuit step by step  

7
/ 20 • • • due to variation of continuously-variable ohmic resistor  

7
/ 22 • • • due to variation of make-to-break ratio of intermittently-operating contacts, e.g. using Tirrill regulator  

7
/ 24 • • • using discharge tubes or semiconductor devices  

7
/ 26 • • • using magnetic devices with controllable degree of saturation  

7
/ 28 • • • using magnetic devices with controllable degree of saturation in combination with controlled discharge tube or controlled semiconductor device  

7
/ 30 • • • using armature-reaction-excited machines  

7
/ 32 • for charging batteries from a charging set comprising a non-electric prime mover  

7
/ 34 • Parallel operation in networks using both storage and other dc sources, e.g. providing buffering (H 02 J 7/14 takes precedence) [4]  

7
/ 35 • • with light sensitive cells [4]  

7
/ 36 • Arrangements using end-cell switching  
 

 9
/ 00 Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (with provision for charging standby battery H 02 J 7/00)

9
/ 02 • in which an auxiliary distribution system and its associated lamps are brought into service  

9
/ 04 • in which the distribution system is disconnected from the normal source and connected to a standby source  

9
/ 06 • • with automatic change-over  

9
/ 08 • • • requiring starting of a prime-mover  
 

 11
/ 00 Circuit arrangements for providing service supply to auxiliaries of stations in which electric power is generated, distributed, or converted (emergency or standby arrangements H 02 J 9/00)
 

 13
/ 00 Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
 

 15
/ 00 Systems for storing electric energy (mechanical systems therefor F 01 to F 04; in chemical form H 01 M) [2]
 

 17
/ 00 Systems for supplying or distributing electric power by electromagnetic waves [3]

 

 

 
<< >>
1 2 2