Schaefer Series CW/BW 6700 - Manual (Page 2)

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Converters from 5 to 40kW, switchmode Converters from 5 to 40kW, switchmode High Power
DC / DC Converters, AC / DC Power Supplies & Battery Chargers
■ DC Input voltage: from 80 - 800V DC
■ AC Input voltage: 115 / 230V AC, single phase or
200 / 400 / 480V AC, three phases
■ AC Input frequency: 47 - 400Hz
■ Output voltage: 5 / ... / 800V DC
■ Output current: up to 800A
■ Output power: 5 - 40kW
Specifications
AC
or
DC
DC
■ Input / Output isolation
■ Continuous short circuit protection
■ 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 and robust design
■ Fan or liquid cooled
Features
Input
Voltage range narrowing of input voltage range
optimizes the efficiency (pls.
specify); unit switches off at
under- and overvoltage
No-load input power 30W typical
Switch-on time <1s typical
Inrush current 3-phase AC input: limited by
thermistor (except for
series 55 xx,
64xx, 66xx, 67xx & CW/BW56xx)
Immunity acc. to EN 61000-6-2
Output
DC output voltages 5 9 12 15 24 28 48
60 110 200 220 400 600 800
Output power from 5 to 40kW
Line regulation (±10%) 0.1%
Load regulation (10-90%) 0.2%
Load transient (10-90-10%) 6 % typical
Response time to ±1 % 10 ms typical
Turn-on rise time Soft-start, 300 ms typical
Ripple ≤ 1% + 30 mV p-p
Overload protection current limited to 105-110% of I
nom
Overvoltage protection OVP switches off module with
automatic return to operation;
after 5 seconds, the unit will
remain latched off
Remote sense standard for all series up to 150 V
output, except for battery chargers;
up to 10 % of U
nom
for output < 60
VDC, up to 6 V for output > 60 VDC
General
Efficiency 80 - 95% typical
Operating temperature -20 to +75°C optional: -40 to +75°C
Load derating 2.5%/°C above + 55°C
Storage temperature -40 to + 85°C
Cooling
(details see page 131) = fan cooled
= liquid cooled
Humidity up to 95 % RH, non-condensing
Temperature coefficient 0.02 % / °C typical
Safety / Construction acc. to EN 60950-1 / EN 50178
Protection category
(built-in module) IP20 acc. to EN 60529,
NEMA or others upon request
EMI acc. to EN 61000-6-4,
class A, optionally class B
MTBF approx. 70,000h @ 40°C
acc. to MIL - HDBK - 217E (notice 1)
Connectors
(details see page 132) terminals / bolts / bars
or CombiTacs for Series 5100
Options (details see page 115)
Input
■ Inrush current limiting
■ Reverse polarity protection for DC input
Output
■ Decoupling diode for redundant / parallel operation
■ Active current sharing for parallel operation
■ Remote on / off (inhibit)
■ Reducing of current limiting at high ambient temperature
Signals
via relay contacts
■ Power ok (input)
■ DC ok (output)
Monitoring
of input / output voltage or current via
■ analog signal
■ interface card RS232 or CAN Bus
Programming
of output voltage or current via
■ potentiometer
■ analog signal
■ interface card RS232 or CAN Bus
Programming of battery chargers
■ Temperature compensated charging voltage
■ Automatic / manual selection of charging characteristic
Mechanics / environment:
■ Wall mount
■ Digital or analog V- and A-meter
■ Increased mechanical strength
■ Tropical protection
■ Extended temperature range to –40 °C