A lot of FuG power supplies are available with different from the standard design or equipment. Some of the most common options and modifications we will introduce at this page. Furthermore customer specific units with different technical data, with different mechanical construction, with customer defined interface or with extended features are available even for a qty. of one.
With this option
voltage and current of the power supply can
be set by analog voltages (0-10V) or by external potentiometers. Monitor signals
of voltage and current (0-10V) available on the programming terminal. An
external "ON"-command enables to release or lock the regulation loop.
Usually the "0V" of the programming
voltage is connected to one of the
outputs of the unit. If this is not wanted, the unit may be equipped with the floating analog programming.
reversal: By this switch the polarity of the output voltage of a high
voltage power supply (Nearly all of the HCP, HCL,
HCN, HCK, HYN) can be changed. For HCP units with polarity reversal switch, the
polarity can be selected by pressing a knob at the front plate and also by
remote control via an (optional) analogue programming or via a digital
Higher stability: Voltage and/or current regulation with better long-term stability and
lower temperature coefficient. With a lot of models (not for
HCN7E, HCE, MCL and HCL), using
components with a better
specification and lower temperature
coefficient the following data can be
Lower output ripple:
On several series a lower ripple can
be achieved by better smoothing. This option can be
supplied only with new units. A later
modification is not possible.
Lower stored energy: Especially for the operation of gas discharge processes, arcs or similar loads with a negative dynamic resistance characteristic, the quantity of stored energy can be decreased by smaller output capacitors. Those units will have than a higher ripple up to 1%.
meters with higher resolution: Instead of the standard DVM
with a display of max."1999",
By an additional ten-turn potentiometer for fine adjustment of current and/or
voltage the resolution will be increased by a factor of 100. Adjustment range 0 - 99%
and a window of approx. 1%.
Power regulation with
display and adjustment:
Internal impedance: For electronic simulation of a changing internal impedance of the unit (e.g. battery characteristic). The technical design is similar to the power regulation.
Electronical sweep of nominal value (Ramp function). All interfaces of the PROBUS V system are also equipped with ramp programming capability.
Flashover sensor: Supervising on overcurrent/ high voltage flashover with signalization, shut down or spark counter.
for supervising of the connected load (e.g. door contacts).
Fast discharge of the output - e.g. together with the interlock loop.
Active down regulation: for fast controlled decrease of the output voltage.
Different mains voltage and frequency: As a standard our units designed for a 230V, 50 Hz or 400V, 50Hz three phase mains input. But the most of our units can be modified for other mains values, like they are used in other countries.
Higher isolation of the output and/or the mains input: For special applications (e.g. the operation at a high voltage platform) it may be that the standard isolation of the unit is not sufficient. We can deliver units with isolation up to > 200 kV.
design of the power output:
Temperature regulated fan: Switch on of the fans of a cooled by forced air unit only at higher power request. This option can be delivered for some models only if there are no strong requests to the stability of the current regulation.
More special equipment and modifications we gladly will offer to you on request.
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18. September 2012