H ELECTRICITY
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H02 GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
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H02J2203/00 Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
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H02J2203/20 Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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