Recently I have built a homemade electrostatic oil filteration machine having 2lpm pump , 20 litre tank , 7 kv dc transformer . Filteration result is NAS 13 , after filtering for 12days for 100 litre oil . I want NAS 7 grade . Whether transformer capacity to be changed ? What should be ideal current in milliampere for 7kv transformer ? ANYONE who know the supplier who can supply good quality transformer for above purpose ?
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