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Properties of the Small Transformers
Program
| Languages |
English, French, German, Italian and Spanish |
| Units |
Metric and USA units |
| Power range per phase at 50/60 Hz |
10kVA per phase |
| Frequency range |
10Hz ...500kHz |
| Input /Output voltage range and
form |
1V ...10kV, independent of the
form (sine wave, rectangular,...) |
| Primary |
Max. 8 taps for the inputs and
the outputs in autotransformer operation mode. |
| Secondary |
Max. 8 secondary, connected to
the load direct or via the rectifiers with R, RL or RC
load, together with autotransformer operation available |
| Wire |
Cu- round and flat wires, with 3
insulation grades |
| Steels |
Cold rolled, grain oriented, Ne-Fe alloys, ferrite, amorphous
and powder |
| Bobbins |
Single section, double section and single section without flange, open and closed
The cores and bobbins, which do not exist in the core
data pools, can be created by user. |
| Case |
Potted and not potted |
| Core assembly |
Alternately stacked EI,UI,..., C-cores, welded, ready cores, modulus cores and alternately
stacked strips |
| Winding assembly |
Primary inside or outside,
alternately windings 50%/100%/500%, 33%/66%/66%/33% and
25%/50%/50%/50%/25% |
| Cooling channel |
One cooling channel, only in the front and in
the back of the winding, between the primary and the
secondary |
| Ventilation |
Max. 5m/sec |
| Impregnation |
Dry, one component varnish and 2
components varnish, under vacuum. |
| Chassis |
Wood, printed board, metal |
| Duty cycle operation mode |
Min. time 5 seconds, with 2 times
and 2 loads |
| Criterion of the design: |
Regulation of the output voltage:
1% to 150%
or
Temperature rise in nominal, short-circuit or duty cycle
operation: 10°K ...250°K |
| Induction |
Optimized in accordance with the
temperature rise, no-load operation and the inrush
current |
| Ambient temperature |
-100°C ... 120°C |
| Core families data pool |
EI, EE,..., UI, LL,..., 3PhEI, C-cores, EC,
ETD, RM, PM, P, EFD, EPC, RS, DS, PQ,...
The cores and bobbins, which do not exist in the core
data pools can be created by user. |
| Design mode |
In this mode the program designs in
accordance with the input data. |
| Test and simulating mode |
In this mode the user can change manually the
turns, wire sizes, loads, input voltage, frequency, duty
cycle, steel,... and recalculate the transformer. |
| Typical applications |
DC/DC converters :
The program supports flyback, forward (simultaneous too) and all
transformers, driven by the "impressed" input
voltage or "impressed" input current (bridge, push-pull,
resonant,... converters)Battery
chargers, Adapters:
The program supports the operation of the one and three
phase transformers with the rectifiers on the R, RL or RC
load
Inherently short-circuit proof,
not-inherently short-circuit proof and not short-circuit
proof transformers
Medical transformers
Control transformers
Universal transformers or universal autotransformers
Autotransformers
Motor starting transformers or autotransformers
Voltage transformers
Current transformers
Toy transformers
Bell transformers
Audio transformers
Transmitters
K-factor transformers
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