5.5 E: Motor Parameters
YASKAWA ELECTRIC SIEP C710616 30B YASKAWA AC Drive T1000A Technical Manual 165
Parameter Details
5
Figure 5.44
Figure 5.44 V/f Pattern
Note: 1. The following condition must be true when setting up the V/f pattern: E1-09 ≤ E1-07 < E1-06 ≤ E1-11 ≤ E1-04
2. To make the V/f pattern a straight line below E1-06, set E1-09 = E1-07. In this case the E1-08 setting is disregarded.
3. E1-03 is unaffected when the parameters are initialized using parameter A1-03, but the settings for E1-04 through E1-13 are returned
to their default values.
4. Parameters E1-11, E1-12, and E1-13 should only be used to fine-tune the V/f pattern in the constant output range. These parameters
rarely need to be changed.
u E2: Motor 1 Parameters
These parameters contain the motor data needed for motor 1. They are set automatically when Auto-Tuning is performed
(this includes Rotational Auto-Tuning, Stationary Auto-Tuning 1 and 2). If Auto-Tuning cannot be performed, then refer
to Auto-Tuning Fault Detection on page 298.
Note: As the motor parameters for a PM motor are set up in the E5- parameters, parameters for induction motors (E2-) are
hidden when a PM motor control mode is selected for motor 1 (i.e., parameter A1-02 is set to 5, 6, or 7).
n E2-01: Motor Rated Current
Set E2-01 to the full load amps (FLA) stamped on the motor nameplate. This value is used for motor protection and to
calculate torque limits. If Auto-Tuning completes successfully, the value entered to T1-04 will automatically be saved to
E2-01.
Note: 1. This value's number of decimal places depends on the drive model and the Heavy/Normal duty selection in parameter C6-01. The
value will have two decimal places (0.01 A) if the drive is set for a Maximum Applicable Motor Capacity up to 11 kW (refer to
Table A.2 and Table A.3) and one decimal place (0.1 A) if the set Maximum Applicable Motor Capacity is higher than 11 kW.
2. If the motor rated current in E2-01 is set lower than the motor no-load current in E2-03, than a parameter setting error will occur
(oPE02). E2-03 must be set correctly to prevent this error.
n E2-02: Motor Rated Slip
Sets the motor rated slip in Hz. The setting in E2-02 is used for motor protection and to calculate torque limits. This value
is automatically set during Auto-Tuning (Rotational Auto-Tuning, Stationary Auto-Tuning 1 and 2).
If Auto-Tuning cannot be performed, calculate the motor rated slip using the information written on the motor nameplate
and the formula below:
E2-02 = f - (n × p)/120
(f: rated frequency (Hz), n: rated motor speed (r/min), p: number of motor poles)
<1> When using PM motors, the setting range is determined by the motor code set to E5-01.
<2> Default setting is determined by the control mode.
<3> When using PM motors, the default setting is determined by the motor code set to E5-01.
<4> Values shown here are for 200 V class drives. Double values when using a 400 V class unit.
<5> The drive changes these settings when Auto-Tuning is performed (Rotational Auto-Tuning, Stationary Auto-Tuning 1, 2).
<6> Parameter ignored when E1-11 and E1-12 are set to 0.0.
<7> When Auto-Tuning is performed, E1-05 and E1-13 will be set to the same value.
No. Parameter Name Setting Range Default
E2-01 Motor Rated Current
10% to 200% of the drive rated current.
Determined by C6-01 ando2-04
No. Parameter Name Setting Range Default
E2-02 Motor Rated Slip 0.00 to 20.00 Hz Determined by C6-01 and o2-04
Output Voltage (V)
Frequency (Hz)
To Next Page
Loading...
