Auxiliary modules
AUXILIARY MODULES
Chokes
4.
191
DDS
HARDWARE
Ref.1310
4.2 Chokes
The chokes (inductances or coils) are used with regenerative power sup-
plies (XPS-25 and XPS-65) and regenerative regulated power supplies
(RPS-80, RPS-75, RPS-45 and RPS-20).
When returning power to mains, the impedance of mains for the outgoing
currents is very low. Hence, the up ramps of this current must be limited
with a choke.
These three-phase chokes for XPS and RPS power supplies must be
connected to the power line input.
On the XPS power supplies, the choke must be connected to power ter-
minals CH1 and CH2 located at the bottom of the module.
RPS power supplies do not have connection terminals at the bottom of
the module like at XPS power supplies; therefore, it must be connected to
the power line between the MAINS FILTER
A and the RPS power
supply itself. See diagrams in the corresponding chapter of this manual.
The internal switching mechanism of these power supplies generates a
regenerative current to mains already filtered by this choke.
FAGOR provides the XPS-25 and XPS-65-A chokes that must necessarily
go with the corresponding XPS power supplies and the RPS-75-3, RPS-45
and RPS-20 chokes that must go with RPS power supplies.
XPS chokes. Technical data
F. H4/2
XPS CHOKES.
T. H4/3 Technical data.
CHOKE XPS-25 XPS-65
DISCONTINUED
XPS-65-A
NEW
Inductance (10 kHz) 0.350 mH 0.175 mH 0.250 mH
Rated current 50 A 120 A 120 A
Peak current 100 A 180 A 185 A
Max. terminal section 10 mm² 50 mm²
70 mm²
Approximate mass kg (lb) 8.0 (17.6) 22.5 (49.3) 36.0 (79.3)
Operating amb.temperature 5°C to 45°C (41°F to 113°F)
Storage temperature - 20°C to + 60°C (- 4°F to 140°F)
Relative humidity 80 % max.
Operating vibration 0.5 G
Shipping vibration 2 G
Sealing IP 20
XPS-25 CHOKE
XPS-65 CHOKE
Discontinued
XPS-65-A CHOKE
New
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