—————— Instruction manual ——————
93
4.9.3 AC input contactors
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The contactor sizes must be selected based on the converter rated current. The sizing basis
is the thermo current AC1, which is absorbed by the input during the rated functioning.
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The technical data of the contactors, as for example weights, dissipated powers, auxiliary
contacts etc. can be found in the appropriate data sheets.
4.9.4 Control power protection
The 115 VAC/230 VAC control power input, U2 & V2, for the TPD32-EV are required to be short circuit protected.
This protection can be provided by using standard time delay fuses, or circuit breaker.
The circuit breaker and/or time delay fuses must be selected to survive the short circuit available current of the
feeder source for this circuit, and the inrush current of the drive power supply.
The rating of the fuses or circuit breaker should be sized mainly to protect the wiring from the fuses/circuit
breaker connections to U2 & V2, and not nuisance trip or blow from the inrush current.
The table below, Table 4.9.5, lists the input current characteristics of the control power.
For version TPD32-EV-FC, refer to the values shown for the TPD32-EV standard model.
Table 4.9.5: Control power protection
Modelli
Regulation Power Supply
Card
Power
Rated input current
Inrush input current
115 V
230 V
115 V
230 V
TPD32-EV-...-A
TPD32-EV-...-D
TPD32-EV-...-E
TPD32-EV-CU-...
SW1-31
60 W
1 A
0.5 A
20 A
10 A
TPD32-EV-...-B
SW2-32
110 W
1.2 A
0.7 A
15 A
7.5 A
TPD32-EV-...-C
SW3-32
110 W
1.2 A
0.7 A
15 A
7.5 A
The control power input is best served by a power source that is stabilized and buffered from the power system
transients.
The control power of many drives can be fed from a single source, as long as proper distribution protection is
provided.
Содержание TPD32-EV-...-2B
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