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C5600A-SERIES C5600A - Schaefer High Power AC/DC Supply

Features
  • 4500 - 6000W
  • AC/DC Power Supply
  • Input / Output isolation
  • Overvoltage protection
  • Thermal shutdown with auto-restart
  • Operational from – 40 to +75 °C
  • Industrial grade components
  • High efficiency through ZVS topology
  • High power density
  • Compact robust design
  • Fan cooled

C5600A - Schaefer High Power AC/DC Supply

Product Overview

 

Schaefer Electronics AC/DC Converter Modules from 4.5kW to 6kW.

Schaefer Electronics robust design uses industrial grade components and provides a high density, space-saving solution for applications in industries such as railway controls and industrial equipment (onboard and track side) oil rigs applications, fuel cell applications, transportation, telecoms systems, process control systems, and power stations.

Parallel operation  Single output modules of the same voltage / power rating can operate in parallel under specific conditions. The output voltage can be carefully adjusted to be near identical. When there is sufficient loading on the combined output, all units will be active and supply the load. The load demand must be significant enough for the multiple units to deliver output current.

Redundant operation   The inclusion of the option “dd” (decoupling diode) on the output of the units will permit parallel operation, where the inability to provide output from one unit will not have a negative effect on the load provision. The decoupling diode will also result in a load regulation value, which, as a percentage of the output voltage, will be unit / output dependent. In terms of calibration the same criteria follow as for parallel operation .

Power factor correction (PFC)   Power supplies draw line current in pulses from the input supply. Should it be required, a PFC will integrate these pulses to be both, effectively sinusoidal in shape, and in phase with the AC input supply. The result of this integration, be it active or passive, is the reduction of the harmonic distortion and allows a more effective loading of the input source.

Spike suppression  High input voltage spikes generated in the supply system that could disturb operation of the unit or cause damage will be absorbed by a varistor across the input lines .

Thermal shutdown with auto restart   The higher power Schaefer modules are fitted with a thermal shutdown. In the event of a temperature rise above a preset value, the unit will turn off. This safety feature will then remain active until the point of temperature measurement has reduced significantly. The time duration for this to be reached is dependent upon the environment and level of cooling .

Specifications

INPUT
Input voltage

1ph 115/230Vac

3ph 200/400/480Vac

See selection table

Units will turn off with under or over input voltage.

No-load input 30W typical
Inrush current 3-phase AC input limited by thermister
Switch on time <1s typical.
Input Options

See selection table for details

Option i: Inrush current limiting

Option ie: Electronic inrush current limiting

Option sd:Reverse polarity protection for DC input by input by series diode

Option ad:Reverse polarity protection for DC input by anti parallel diode

Option au:Auto-ranging

OUTPUT
Output voltage

Voltage range; 4.5 - 400Vdc

See selection table

Output power

4.5kW to 6kW

See selection table

.
Ripple & noise <1% + 30mVpp
Line regulation 0.1% (±10%)
Load regulation 0.2% typical, load step 10-90%
Load transient 6% typical, load step 10-90%
Response time 10ms typical ±1%
Temp coefficient 0.02% per °C typical.
Holdup time 10mS at 220VAC typical
Turn on rise time 300mS typical (soft start)
Remote sense standard for all series up to 150 V output, except for battery chargers; up to 10 % of Unom for output < 60 VDC, up to 6 V for output > 60 VDC
Overload protection Current limited at 105%–110% of full load.
Overvoltage protection OVP switches off module with automatic return to operation; after 5 seconds, the unit will remain latched off
Efficiency 80 - 95% typical
Output Options

See selection table for details

Option dd: Decoupling Diode for redundant / parallel operation

Option cs: Active Current Sharing

Option csi: Current sharing interrupt (“cs” included)

Option icsi: Current sharing interrupt (“csi” included), galvanically isolated

Option h1: Inhibit by external closing contact, signal referred to input

Option h2: Inhibit by voltage signal, signal referred to output

Option h3: Inhibit by closing contact, signal referred to output

Option rco: Reducing current limiting at over temperature

Option rd: Reverse polarity protection for DC output

Signal Options

See selection table for details

Option pr: input voltage supervision (power ok) incl. relay contacts

Option dr: output voltage supervision (DC ok) incl. relay contacts

Option cf: charger / converter fail supervision incl. relay contacts

Option ac: AC ok for inverter including relay contacts

PROGRAMMING

Programming of output voltage

from 0 to 100 %

eu1: by external signal, 0 – 10 V

eu2: by external signal, 4 – 20 mA

eu3: by 270° potentiometer

eu4: by 10 turn potentiometer

Programming of output current

from 0 to 100 %

ei1: by external signal, 0 – 10 V

ei2: by external signal, 4 – 20 mA

ei3: by 270° potentiometer

ei4: by 10 turn potentiometer

Isolating amplifier

for programming

lso: Programming signal is galvanically isolated from any potentials of the power supply.

Programming via

rs: RS232 (external)

can: CAN Bus (external)

MONITORING

Monitoring of output voltage

from 0 to 100 %

mu1: by external signal, 0 – 10 V

mu2: by external signal, 4 – 20 mA

Monitoring of output current

from 0 to 100 %

mi1: by external signal, 0 – 10 V

mi2: by external signal, 4 – 20 mA

Isolating amplifier

for monitoring

Iso: Monitoring signal is galvanically isolated from any potentials of the power supply.

Monitoring via

rs: RS232 (external)

can: CAN Bus (external)

ENVIRONMENTAL
Operating temperature

-20°C to +75°C

(optional -40 to 75°C)

Load derating Derate 2.5% per °C, from +55°C to 75°C
Cooling

F: Fan - for increased airflow

Storage temperature -40°C to +85°C
Humidity Up to 95% RH, non-condensing
Environment Options

See selection table for details

Option t: Tropical protection

Option c: Extended temperature range

Option ms: Increased mechanical strength

STANDARDS
EMI standards acc. to EN61000-6-4 class A, optionally class B
Immunity standards acc. to EN61000-6-2
Safety / Construction acc. to EN60950-1 / EN50178
Protection category

IP20 acc. to EN60529

NEMA or others on request

MTBF

approx 700Khrs at 40°C

acc. to MIL-HDBK-217E (notice 1)

MECHANICAL
Mechanics

High power modules are constructed in 19" format

Dimensions See Technical illustration
Mechanical Options

Option w: Wall Mounting

Selection Table

INPUT

115Vac

± 20%

OUTPUT

AMPS

           

INPUT

230Vac

+15% - 20%

INPUT

3x200Vac

+15% - 20%

INPUT

3x400Vac

+15% - 20%

INPUT

3x480Vac

+15% - 20%

OUTPUT

AMPS

       

FAN

COOLING

 

        

OUTPUT

VOLTAGE

VOLTAGE

ADJUSTMENT

C5660 400   C5680  C5660V  C5680V  C5690V 400   F   5 4.5 - 5.5
C5661 380   C5681 C5661V  C5681V  C5691V  400   F   9 8 - 10
C5662 310   C5682 C5662V C5682V C5692V 400   F   12 11-13
C5663 265   C5683 C5663V C5683V C5693V 375   F   15 14-16
C5664 170   C5684 C5664V C5684V C5694V 230   F   24 23-26
C5665 150   C5685 C5665V C5685V C5695V 200   F   28 26-30
C5669 80   C5689 C5669V C5689V C5699V 110   F   48 45 - 55
C5666 65   C5686 C5666V C5686V C5696V 88   F   60 58 - 68
C5667 35   C5687 C5667V C5687V C5697V 46   F   110 100-130
C5667J 22   C5687J C5667VJ C5687VJ C5697VJ 30   F   200 190-200
C5668 18   C5688 C5668V C5688V C5698V 24   F   220 200-250
C5668J   11   C5688J C5668VJ  C5688VJ  C5698VJ  15   F   400 380-400
INPUT OPTIONS
Option “i” Inrush current limiting: A thermistor is connected in series with the input lines which changes its resistance from high to low when it gets hot. It does not reduce the current surge if the input power is interrupted for a short period of time not allowing the thermistor to cool down. Thermistors are fitted as standard to all mains input models except for 1-phase input of models > 2.5kW. Thermistors are available up to 45A. For higher input current an electronic inrush current limitation can be offered.
Option “ie” Electronic inrush current limiting : An electronic circuit limits the high inrush current caused by built-in capacitors. Switch- on time may increase to 5s. This is realized by a series pass transistor or depending on the input voltage by thyristor softstart..
Option “sd” Reverse polarity protection for DC input by series diode: A series diode protects the module against DC input voltage of wrong polarity. However, this also causes extra losses and reduces the overall efficiency..
Option “ad” Reverse polarity protection for DC input by anti parallel diode: To avoid the power losses a diode is provided with opposite polarity in parallel to the input blowing an internal or external fuse if the module is connected to a supply of wrong polarity.
Option “au” Auto-ranging: For standard dual AC input models the range of 115 / 230 V AC is to be selected by connecting the input line to different pins on the connector. With auto-ranging the unit senses the input voltage and provides automatically the correct connection.
OUTPUT OPTIONS
Option “dd” Decoupling diode:A series diode built into the units output allows paralleling of 2 or more units for redundancy or higher power or battery charging. For control purposes the anode of the diode is also available at the output connector. It cannot be loaded ≥ 0.5A. The sense signal is taken partially from the anode and partially from the load/cathode of the decoupling diode. This guarantees starting and operating under all conditions, but it also effects the regulation accuracy of 2%. In this way it gives a load sharing of 15-30% between the paralleled units.
Option “cs” Active current sharing:An additional control circuit provides active current sharing via an interconnecting wire between converters that operate in parallel. The output lines of the converters have to be in “star point” connection
Option “csi” Current sharing interrupt (“cs” included)“csi” will effect the removal of the “cs” signal from the load voltage common connection. Should there be an instance where a unit is not supplying the load, then the effect of its current sharing signal is removed, and the load voltage is unaffected by this condition. In terms of calibration the same criteria follow as for parallel operation.
Option “icsi” Current sharing interrupt (“csi” included), galvanically isolated: The inclusion of “csi” (current sharing interrupt) and the galvanic isolation is the optimum set up for systems with high power or high currents, were the voltage drop on the power wiring could influence the cs signal.
Option “h1” Inhibit by external closing contact, signal referred to input: The operation of the unit is inhibited when a voltage signal is applied in reference to the negative line of the input. This can also be used in combination with a thermal trip, which shuts the unit down.
Option “h2” Inhibit by voltage signal, signal referred to output: Operation of the unit is inhibited if a voltage signal (5V / 10mA) is applied in reference to the negative line of the output
Option “h3” Inhibit by closing contact, signal referred to output: The operation of the unit is inhibited when a voltage signal is applied in reference to the negative line of the output. This can also be used in combination with a thermal trip, which shuts the unit down. Please note: Only relevant solution for inverters.
Option “rco” Reducing current limiting at over temperature: A circuit reduces the current limiting level at higher temperature (to be specified).
Option "rd" Reverse polarity protection for DC output: by reverse diode with external fuse.
SIGNAL OPTIONS
Option “pr” input voltage supervision (power ok) incl. relay contacts: A logic signal is given if the input voltage (AC or DC) drops below the specified limit. In AC input models the rectified input voltage is sensed so that a power fail alarm can be avoided if at light load mains power returns before the input capacitors are substantially discharged. A relay contact is provided for failure indication
Option “dr” output voltage supervision (DC ok) incl. relay contacts: A logic signal is given if the output voltage is below the specified limit. A relay contact is provided for failure indication. DC ok level: 5V output: 4,75V all other voltages: 90% of adjusted voltage
Option “cf” charger / converter fail supervision incl. relay contacts: A logic signal is given if the input voltage, the auxiliary voltage of the primary side and the current of the primary side exceed or go below a specified range. A relay contact is provided for failure indication.
Option “ac” AC ok for inverter including relay contacts: A logic signal is given if the output voltage of an inverter is below the specified limit. A relay contact is provided for failure indication
ENVIRONMENTAL OPTIONS
Option "t" Tropical protection: The unit is given additional protection by a heavy coat of varnish on the printed circuit board(s) and on components to achieve 99% RH, non condensing.
Option "c" Extended temperature range:The circuit is designed and tested for operation at an ambient temperature as low as –40 °C.
Option "ms" Increased mechanical strength: Screws are secured by Locktite and heavy components are fastened by ties and/or glue. Modules with the "ms" option meet the standard EN61373 regarding shock and vibration.
MECHANICAL OPTIONS
Option "w" Wall mounting:Modules, which have the wall mount option, are typically fixed to a structure or within a cabinet. Depending on the size of the module, this may be done with a flat or angled plate (see photo). The load connections are typically through a terminal block. Should the application not require a pluggable module / rack solution, wall mounting presents an alternative option for the customer to choose from.

Technical Illustration

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