(0)H02J:0/1:
IPC6
SECTION H - ELECTRICITY
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR...
H02J
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H 02 J

 CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY (power supply circuits for apparatus for measuring X-radiation, gamma radiation, corpuscular radiation or cosmic radiation G 01 T 1/175; for digital computers G 06 F 1/18; for discharge tubes H 01 J 37/248; circuits or apparatus for the conversion of electric power, arrangements for control or regulation of such circuits or apparatus H 02 M; interrelated control of several motors, control of a prime-mover/generator combination H 02 P; control of high-frequency power H 03 L; additional use of power line or power network for transmission of information H 04 B)
 

Notes

(1)

 This subclass covers:
 

-

 ac or dc mains or distribution networks;
 

-

 circuit arrangements for battery supplies, including charging or control thereof, or co-ordinated supply from two or more sources of any kind;
 

-

 systems for supplying or distributing electric power by electromagnetic waves.

(2)

 This subclass does not cover:
 

-

 control of a single motor, generator or dynamo-electric converter, of the types covered by subclass H 01 F or H 02 K, which is covered by subclass H 02 P;
 

-

 control of a single motor or generator, of the types covered by subclass H 02 N , which is covered by that subclass.

 

 

 
 

 1
/ 00 Circuit arrangements for dc mains or dc distribution networks

1
/ 02 • Arrangements for reducing harmonics or ripples (in converters H 02 M 1/00)  

1
/ 04 • Constant-current supply systems  

1
/ 06 • Two-wire systems  

1
/ 08 • Three-wire systems; Systems having more than three wires  

1
/ 10 • Parallel operation of dc sources (involving batteries H 02 J 7/34)  

1
/ 12 • • Parallel operation of dc generators with converters, e.g. with mercury-arc rectifier  

1
/ 14 • Balancing the load in a network (by batteries H 02 J 7/34)  

1
/ 16 • • using dynamo-electric machines coupled to flywheels  
 

 3
/ 00 Circuit arrangements for ac mains or ac distribution networks

3
/ 01 • Arrangements for reducing harmonics or ripples (in converters H 02 M 1/00) [3]  

3
/ 02 • using a single network for simultaneous distribution of power at different frequencies; using a single network for simultaneous distribution of ac power and of dc power  

3
/ 04 • for connecting networks of the same frequency but supplied from different sources  

3
/ 06 • • Controlling transfer of power between connected networks; Controlling sharing of load between connected networks  

3
/ 08 • • Synchronising of networks  

3
/ 10 • Constant-current supply systems  

3
/ 12 • for adjusting voltage in ac networks by changing a characteristic of the network load  

3
/ 14 • • by switching loads on to, or off from, network, e.g. progressively balanced loading  

3
/ 16 • • by adjustment of reactive power  

3
/ 18 • Arrangements for adjusting, eliminating, or compensating reactive power in networks (for adjustment of voltage H 02 J 3/12 ; use of Petersen coils H 02 H 9/08)  

3
/ 20 • • in long overhead lines  

3
/ 22 • • in cables  

3
/ 24 • Arrangements for preventing or reducing oscillations of power in networks (by control effected upon a single generator H 02 P 9/00)  

3
/ 26 • Arrangements for eliminating or reducing asymmetry in polyphase networks  

3
/ 28 • Arrangements for balancing the load in a network by storage of energy  

3
/ 30 • • using dynamo-electric machines coupled to flywheels  

3
/ 32 • • using batteries with converting means  

3
/ 34 • Arrangements for transfer of electric power between networks of substantially different frequency (frequency converters H 02 M)  

3
/ 36 • Arrangements for transfer of electric power between ac networks via a high-tension dc link  

3
/ 38 • Arrangements for parallelly feeding a single network by two or more generators, converters, or transformers  

3
/ 40 • • Synchronising a generator for connection to a network or to another generator  

3
/ 42 • • • with automatic parallel connection when synchronism is achieved  

3
/ 44 • • • with means for ensuring correct phase sequence  

3
/ 46 • • Controlling the sharing of output between the generators, converters, or transformers  

3
/ 48 • • • Controlling the sharing of the in-phase component  

3
/ 50 • • • Controlling the sharing of the out-of-phase component  
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