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PSP Compact

Application
The PSP Compact is used for complex surface-related processes, precision plating processes, and special applications in the water industry and the field of renewable energies. It is also suitable for pulse applications, particularly unipolar pulse operations.

Product Design
The PSP Compact is a compact, voltage and current controlled switch mode power supply. The rectifier is integrated in a tough steel casing which is intended for wall-mouting. The device can be activated via internal circuit breakers as well as the main contactor.

Communication takes place via analog setpoint setting (0-10 VDC). Actual values and setpoint inputs are galvanically isolated. The unit powers itself with the volume of fresh air which is required for the individual load conditions. One of the outstanding features of the PSP modules is the constant low ripple of less than 3 % which provides excellent DC quality.

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Customer Benefits
Compact and robust device, easy to operate, with consistently low ripple (<3%).

As part of the PSP Family, the PSP Compact is designed for wall mounting and is also applicable for unipolar pulse applications.

Interfaces

  • Analogue signals 0-10 V
  • Profibus
  • ProfiNET, etc.

Block Diagram
The switchmode rectifier is featured with the following five functions:
(1) High-frequent disturbances are reduced in the mains filter. On the other hand the mains filter is used to dampen the interference voltages.

(2) The mains rectifier converts the voltage into DC voltage.

(3)The power electronics then convert the DC voltage pulse width modulated into a staircase-shaped alternating voltage.

(4) The internal transformer stands for a galvanic potential separation and voltage adjustment on the secondary side.

(5) On the output side rectification is achieved by fast power diodes. On the output side a constantly smoothed and fully controllable DC voltage is generated.

11csm_Block_Diagram_psp_single_phase_23f3a221c8 (1)
Technical Data
Mains Voltage: 3 x 380-480 V / 50-60 Hz
Efficiency: up to 94 % (depending on design)
Current Range max.: 1800 A
Voltage Range max.: 600 V
Ripple: < 3 % full range
Duty Factor: 100 % 
Protection Grade: IP 21
Dimensions (W/D/H):: 490/300/912 [mm]
Weight: 50 kg