714-624-4740 quote@cehco.com

12 PULSE SCR CONTROLLED HIGH VOLTAGE POWER SUPPLY

0 TO 3000 VDC, 80 AMPS, P/N 19435PS

We are REPLACEMENT Rectifier Specialists

 

We are OBSOLETE Rectifier Specialists

 

We are URGENT Rectifier Specialists

 

How can we help?

Power Rectification Specialist, since 1945

Our new email address is quote@cehco.com

 

Specifications:

  • 12 Pulse SCR Controlled Power Supply, P/N 19435PS
  • Input: 480 VAC, 300 Amps, 3 PH, 60 Hz
  • Output: 0 to 3000 VDC ± 10%, 80 Amps max adjustable with potentiometers, and 4/20 mA input signals from the PLC
  • Output voltage and current  are provided as 4/20 mA signals to PLC
  • Contactor and overload relay are installed for protection
  • Power ON Light
  • Start / Stop capability
  • EPO capability
  • Manual voltage control and current limit
  • PLC interface
  • Output voltage and current are displayed on the voltmeter and ammeter.
  • A selector switch is used to select between manual Control or PLC Control
  • The customer is responsible for the PLC controller and PLC programming
  • Power enclosure, 68″H x 65″W x 44″D
  • Control enclosure: 20″H x 16″W x 9″D
  • Weight: 5000 lbs. approximately
  • All input/output connections are inside the enclosure

The block diagram of the unit is shown below:

 

 

 

 

 

 

 

 

The photo of the Control Enclosure is shown below:

 

 

 

 

 

 

 

 

 

 

 

Photo 1: Front view of the Control Enclosure

 

 

 

 

The component layout inside the Control Enclosure is shown below:

 

 

 

 

 

 

 

 

 Photo 2: Components layout inside the Small Control Enclosure

 

The complete power supply with the Power Enclosure and the Control Enclosure is shown below:

 

 

 

 

 

 

 

 

 Photo 3: 12 Pulse SCR Controlled High Voltage Power Supply, P/N 19435PS consisting of the Large Power Enclosure and a Small Control Enclosure

 

The component layout inside the Power Enclosure is shown below. The primary Side of the Transformer is shown:

 

 

Photo 4: Component Layout inside the Power Enclosure

 

The component layout inside the Power Enclosure is shown below. The secondary side of the Transformer is shown:

 

 

 

 

 

 

 

 

 

Photo 5: Component Layout inside the Power Enclosure

 

Outputs (POSITIVE and NEGATIVE) from the High Voltage Plenum are shown below:

 

 

Photo 6: POSITIVE and NEGATIVE Terminals available from the High Voltage Plenum

 

Photo of the Nine diode assembly is shown below. Twelve assemblies are used to build a 12 pulse bridge assembly.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Photo 7: Nine diode assembly, 12 assemblies are used to build a 12 pulse bridge assembly

 

L1, L2, L3 (input 480 VAC, 3 PH, 60 Hz) is identified below:

Photo 8: Input Terminal Block (L1, L2, L3)

 

Unit is movable with a pallet jack

 

Photo 9: Unit is movable with a pallet jack

 

The unit can be lifted with a forklift

 

Photo 10: Unit can be lifted with a forklift

 

Photo of the unit before shipment:

 

Photo 11: Complete unit before shipment, the unit is movable with a pallet jack

To discuss your specific needs, please contact us at (714) 624-4740, or send us an email at quote@cehco.com