Rating plate (type plate)?
Do the current and voltage information on the nameplate refer to the string (on the individual coil) or to the mains?
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So U conductor voltage and conductor current
On the power shield, however, there are often 2 currents for triangle and star. Shouldn’t it always be just a power supply?
Oh, well, the wiring then waits from different networks, and the wiring is again different and the power consumption is also done.
U is the voltage between the external conductors, I is the current of the external conductor… In the case of a plurality of data, it is necessary to pay attention to which type of circuit and for which voltage the motor may be used… Often there are also two voltages. If only one voltage is applied, this refers to the zul voltage at the winding (three circuit). In a star circuit, the voltage at the winding is smaller by root 3. The currents behave exactly opposite. In a star circuit, the conductor current also amounts to the current through the winding. In a triangular circuit, the conductor current by root 3 is greater than the strand current.
If one has a motor with a 230V voltage indication, it is to be operated in a star circuit on the 400V network 400V (L-L), but in the triangle only on a 230V network (230V L-L). In both modes of operation, the strand current is of the same size (i.e., the current through the winding itself), since 230V are present at the winding in both cases. However, the currents are just different, through the different circuit types. In a triangular circuit, the resulting conductive current is just higher than the continuous current…
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