5.5 E: Motor Parameters
YASKAWA ELECTRIC SIEP C710606 44B YASKAWA AC Drive T1000V Technical Manual 155
■ E5-07: Motor q-Axis Inductance (PM OLV)
Sets the q axis inductance in units of 0.01 mH.
Note: This parameter is not reset when the drive is initialized using A1-03.
■ E5-09: Motor Induction Voltage Constant 1 (PM OLV)
Set the induced phase peak voltage in units of 0.1 mV/(rad/s) [electrical angle]. Set this parameter when using an SSR1
series IPM motor with derated torque or an SST4 series motor with constant torque.
When E5-01 is set to “FFFF” use either E5-09 or E5-24 for setting the voltage constant.
Note: 1. Ensure that E5-24 = 0 when setting parameter E5-09. An alarm will be triggered, however, if both E5-09 and E5-24 are set 0, or if
neither parameter is set to 0.
2. This parameter is not reset when the drive is initialized using A1-03.
■ E5-24: Motor Induction Voltage Constant 2 (PM OLV)
Set the induced phase-to-phase rms voltage in units of 0.1 mV/(r/min) [mechanical angle]. When using an SMRA Series
SPM Motor, E5-09 should be set to 0.
When E5-01 is set to “FFFF” use either E5-09 or E5-24 for setting the voltage constant.
Note: 1. If both E5-09 and E5-24 are set to 0, or if neither is set to 0, then parameter setting error OPE08 will occur. If the motor rated current
(E5-03) is set to 0, however, then an error message will not be displayed if both E5-09 and E5-24 are both set to 0 at the same time.
2. This parameter is not reset when the drive is initialized using A1-03.
No. Parameter Name Setting Range Default
E5-07 Motor q-Axis Inductance 0.00 to 600.00 mH
Determined by
E5-01
No. Parameter Name Setting Range Default
E5-09 Motor Induction Voltage Constant 1 0.0 to 2000.0 mV/(rad/s)
Determined by
E5-01
No. Parameter Name Setting Range Default
E5-24 Motor Induction Voltage Constant 2 (PM OLV) 0.0 to 2000.0 mV/(r/min)
Determined by
E5-01
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