SCR CONTROLLED VARIABLE DC POWER SUPPLY, 18.9 kw

OUTPUT 0 TO 42 VDC, 450 AMPS, P/N 18567PS

Our new email address is quote@cehco.com

Specifications:

• SCR Controlled Variable DC Power Supply, P/N 18567PS.
• Input: 415 VAC, 3 PH, 50 Hz.
• Output: 0 to 42 VDC ± 10%, 450 Amps max.
• 120 VAC control transformer is included.
• SCR control is phase-sensitive. Hence, 3 PH monitor is included.
• Fuses for the control transformer are included.
• Input contactor and overload relay are included.
• ON/ OFF push button capability is included.
• Emergency Power off (EPO) is included.
• The voltage control potentiometer and Current limit potentiometer are included.
• All input and output connections are inside the enclosure.
• Since it is an SCR-controlled output, the ripple increases as output are lowered from the max.

The photo of the unit is shown below:

The block diagram of the unit is shown below:

The SCR controller is shown below:

The photo of the entire system is shown below. This is a dual enclosure setup where Unit A is the Control Section and Unit B is the Power Section. A 3″ cutout is made for the connections between Unit A and Unit B.

The control section on Unit A 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.