Bosch PIN8 N1 Anleitung zur Fehlerbehebung PDF herunterladen (Seite 164)

100

101

5-40 Motor, Mechanical Axis System, Measuring Systems MPH-02, MPB-02, MPD-02

DOK-INDRV*-MP*-02VRS**-FK01-EN-P

For asynchronous motors the value for P-0-0534 is determined by:

40430P05340P −−=−−

P-0-0534: voltage loop integral action time (in ms)

P-0-4043: rotor time constant (in ms), see p.5-40

Fig. 5-46: Calculating the value for P-0-0534 for asynchronous motors

The parameter P-0-0535, Motor voltage at no load takes effect in field

weakening operation.

→ value to be set is "80" (in %)

Note: For linear motors this parameter is irrelevant. Its default value

mustn’t be changed!

The parameter P-0-0536, Motor voltage max. takes effect in field

weakening operation.

→ value to be set is "90" (in %)

Note: For linear motors this parameter is irrelevant. Its default value

mustn’t be changed!

Determining Other Parameter Values only Relevant for

Asynchronous Motors

The value for parameter P-0-4004, Magnetizing current is the rms value

of the motor magnetizing current.

Mag

I40040P =−−

P-0-4004: magnetizing current (rms value in A)

Mag

: indicated magnetizing current (rms value in A)

Fig. 5-47: Calculating the value for P-0-4004

If there hasn’t any value been indicated in the output data of the

asynchronous motor, the following approximation can be used for

calculation:

Nenn

I)(cos140040P ∗−=−−

P-0-4004: magnetizing current (rms value in A)

Nenn

: rated current of the motor (rms value in A)

cos ϕ: power factor at rated load

Fig. 5-48: Calculating the value for P-0-4004 by means of approximation

The parameter P-0-0532, Premagnetization factor influences the value

of the no-load current (magnetizing current). This value indicates how

many percent of the magnetizing current are flowing when the motor has

no load.

The following values are recommended:

Drive application Value for P-0-0532

servo application 100

spindle application 50

Fig. 5-49: Recommended values for the premagnetization factor

This parameter determines to which degree the slip in the motor is

increased depending on the temperature rise of the motor windings. The

P-0-0535, Motor voltage at no

load

P-0-0536, Motor voltage max.

P-0-4004, Magnetizing current

P-0-0532, Premagnetization

factor

P-0-0530, Slip increase

1 2 ... 159 160 161 162 163 164 165 166 167 168 169 ... 727 728

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