Delta Elektronika BV - EK 030-10 - Power supply
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Equipment:
EK 030-10
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Information
A new improvement in preregulation makes this linear power
supply as small and efficient as a high frequency switcher,
but with better specifications and at a more economical price.
* Efficiency 80%
* Small dimensions
* Fast response, low ripple
* Natural convection cooling, no blower
* No inrush current
* Ready for programming by computer (via PSC 625 programmer)
* All programming and monitor levels standardized at 0-5 V
* Protected against all overload and short circuit conditions
* Equal current sharing when connected in parallel and equal
voltage sharing when used in series
Efficiency
The efficiency is very high (80%) and constant over a large
output range. At no load the input power is less than 15 Watts.
Input voltage
198-265V 50Hz +/-1 Hz (for use at 220 and 50Hz line voltage)
Up to 25V 10A the input voltage range is 185-265VAC.
This power supply can only be used at 50 Hz because the
pre-regulation is frequency dependent.
Inrush current
During switch-on the inrush current is kept very low to
avoid stress on the input fuse and switch.
Photo: AC input voltage and current during switch on.
Upper diagram : Input voltage, 200V/div.
Lower diagram: Input current, 5A/div.
Input current
The input current is 2,6 A rms at 220VAC input and 300Watts
output.
Input current shows no sharp peaks that can cause distortion
at the line voltage.
Photo: Input voltage and current at 300W output
Upper diagram: Input voltage, 200V/div.
Lower diagram: Input current, 5A/div.
Insulation voltage
Input-output 2500 Vrms Input-case 2500 Vrms Output-case 500 VDC
Safety is in accordance with IEC 3^8
For extra safety the input transformer has a split bobbin
with an insulation voltage of 3750Vrms
1 Manual
Service and user manual
Manual type:
Service and user manual
Pages:
15
Size:
7.5 MB
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Scanned document, reading partly badly, partly not readable.
Upload date:
Aug. 8, 2017
MD5:
d60453ef-ed6a-dd6b-3881-2168ccaf5df1
Downloads:
492