Chapter 12 Description of Parameter Settings|CFP2000 Series
12.1-10-3
doesn’t need to be adjusted. But if a motor’s rated frequency (i.e. 400 Hz) is too close to the
frequency setting of this parameter (i.e. factory setting 500 Hz), the accuracy of angles detected
will be affected. Therefore, refer to the setting of Pr.01-01 before adjusting this parameter.
If the setting value of Pr.00-17 is lower than Pr.10-51*10, then increase the frequency of carrier
wave.
Pr.10-51 is valid only when Pr.10-53 = 2.
Injection Magnitude
Factory Setting:15.0/30.0
Settings 0.0~200.0V
The parameter is magnitude command of high frequency injection signal in PM SVC control
mode.
Increasing the parameter can get more accurate estimated value of angle. But the noise of
electromagnetic might be louder if the setting value is too high.
This parameter will be received when motor’s parameter is”Auto”. And this parameter will
influence the accuracy of angel‘s estimation.
When the ratio of salient pole (Lq / Ld) is lower, increase Pr. 10-52 to make angle detection be
accurate.
Pr.10-52 is valid only when Pr. 10-53 = 2.
PM Motor Rotor Initial Angle Position Detection Method
Factory Setting： 0
Settings
0：Disabled
1：Internal 1/4 rated current attracting the rotor to zero degrees
2：High frequency injection
3：Pulse injection
4~5：
Reserved
It is suggested to set as “2” if it is IPM; set as “3” if it is SPM. If there is bad effect when set as “2”
or “3”, then set as “1”.
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