Bosch PIN8 N1 Guia de Resolução de Problemas descarregar pdf (Página 167)

100

101

MPH-02, MPB-02, MPD-02 Motor, Mechanical Axis System, Measuring Systems 5-43

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

()

St)-(AISt)-R(Al

St)-H(AlSt)-

40410P40400P

L L

4043-0-P

−−+−−

R(Al-St)

: ohmic resistance of rotor at 20°C

L : leakage inductance of rotor

H(Al-St)

: motor magnetizing inductance

Fig. 5-57: Value for P-0-4043 (in ms)

Determining Other Parameter Values only Relevant for

Synchronous Motors

0111)-0-S (2,04005-0-P

0109)-0-(S 4005-0-P

∗−=

−=

S-0-0109, Motor peak current

S-0-0111, Motor current at standstill

Fig. 5-58: Values for P-0-4005; the value with the lower absolute value has to

be entered with negative sign in P-0-4005!

Depending on the position of the primary part of the motor with regard to

the secondary part of the motor, different inductance values can be

observed when the leakage inductance is measured. The values are

fluctuating between a minimum and a maximum value.

• The minimum value is relevant for the direct-axis inductance of the

motor (L

L(U-V)

• The maximum value is relevant for the quadrature-axis inductance of

the motor (L

Q(U-V)

Note: Correct values can only be determined when the motor is in

standstill!

The value for the direct-axis inductance of motor contained in the

completed form "Output Data for Synchronous Motors" has to be used for

calculation as follows:

0,5 L4016-0-P

V)-L(U

∗=

L(U-V)

: value according to motor output data

Fig. 5-59: Value for P-0-4016

The value for the quadrature-axis inductance of motor contained in the

completed form "Output Data for Synchronous Motors" has to be used for

calculation as follows:

0,5 L 4017-0-P

V)-Q(U

∗=

Q(U-V)

: value according to motor output data

Fig. 5-60: Value for P-0-4017

list parameter P-0-4002

→ enter the value "1,0" in each of the five lines!

list parameter P-0-4003

→ enter the value "1,0" in each of the five lines!

P-0-4005, Flux-generating

current, limit value

Direct-Axis Inductance of Motor

and Quadrature-Axis Inductance

of Motor

P-0-4016, Direct-axis inductance

of motor

P-0-4017, Quadrature-axis

inductance of motor

P-0-4002, Charact. of

quadrature-axis induct. of motor,

inductances

P-0-4003, Charact. of

quadrature-axis inductance of

motor, currents

1 2 ... 162 163 164 165 166 167 168 169 170 171 172 ... 727 728

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