This is a high voltage transformer (53kV) and rectifier that is used to power an Electrostatic Precipitator. The schematic shows a jumper between terminals H1 and H2 with a label "Remove jumper for half wave operation". Can anyone explain the benefit of operating the rectifier at half-wave rectification?

Also, the schematic shows 2 separate surge arrestors. Why is this?

enter image description here

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    \$\begingroup\$ Christ almighty! Is your shift key broken? VTC. \$\endgroup\$ – winny Oct 17 '17 at 19:48
  • \$\begingroup\$ @winny I improved the punctuation. I think its an interesting question, I'd like to know the answer. \$\endgroup\$ – Steve G Oct 18 '17 at 10:00
  • \$\begingroup\$ appreciate your help sir. \$\endgroup\$ – Lubna Mahmood Oct 18 '17 at 17:35

Large plate precipitators generally require a continuous DC source, hence, full wave. Older, smaller plate precipitators typically use a pulsed DC source. Half wave rectification accomplishes this.

Large Plate precipitators are generally more efficient.

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  • \$\begingroup\$ can u explain what 45 kv DC full load meaning? \$\endgroup\$ – Lubna Mahmood Oct 20 '17 at 17:05
  • \$\begingroup\$ It appears that that is just the continuous full load voltage rating of the rectifier, but that it can handle peak voltages of 75 kV before breaking down. \$\endgroup\$ – R Drast Oct 23 '17 at 3:21

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