Variable DC Power Supply 50 KW, Input 460 VAC

Customer requirement is shown below:

• Motorized Variable Transformer Controlled Power Supply, P/N 6-8C-18534PS
• Input: 460 VAC, 3 PH, 60 Hz
• Output: 0 to 250 VDC, 200 Amp max.
• A variable Transformer is used to vary the output.  SCR controller is not used, as it generates harmonics.
• Input control is 0 to 3.6 VDC.
• Indoor enclosure.
• Output voltage and current feedback as 4/20 mA for the PLC interface.
• All input/output connections are inside the enclosure

The block diagram is shown below:

The schematic is shown below:

The component layout on one side is as shown.

The component layout on the second side is as shown.

The complete system is shown below.

To discuss your specific rectifier stack requirements, please contact us at 714 624-4740, or send us an email at quote@cehco.com.

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