Delta PG-40 Specifications download pdf (Page 79)

VFD-B Series

5-44

Group 7: Motor Parameters

07 - 00

Motor Rated Current

Factory Setting: 100

Settings 30 to 120% Unit: 1%



Use the following method to calculate the percentage entered in this parameter.

(Motor Rated Current (Ampere)/ AC Drive Rated output current (Pr00-01)) x 100%



Pr.07-00 and Pr.07-01 must be set if the drive is programmed to operate in Vector

Control mode (Pr.0-09 = 2, 3). It also must be set if the "Electronic Thermal Overload

Relay" (Pr.06-06) or "Slip Compensation" functions is selected.

07 - 01

Motor No-load Current

Factory Setting: 40

Settings 01 to 90% Unit: 1%



The rated current of the AC drive is regarded as 100%. The setting of the Motor no-load

current will effect the slip compensation.



The setting value must be less than the Pr.07-00 (Motor Rated Current).

07 - 02

Torque Compensation

Factory Setting: 0.0

Settings 0.0 to 10.0 Unit: 0.1



This parameter may be set so that the AC drive will increase its voltage output to obtain

a higher torque. Only for V/F control mode.

07 - 03

Slip Compensation (Used without PG)

Factory Setting: 0.00

Settings 0.00 to 3.00 Unit: 0.1



While driving an asynchronous motor, increasing load on the AC drive will cause an

increase in slip. This parameter may be used to compensate the slip by increasing the

output frequency. When the output current of the AC drive is greater than the motor

no-load current (Pr.07-01), the AC drive will adjust its output frequency according to this

parameter.

07 - 04

Number of Motor Poles

Factory Setting: 04

Settings 02 to 10 Unit: 2



This parameter sets the number of motor poles (must be an even number).

07 - 05

Motor Parameters Auto Tuning

Factory Setting: 00

Settings 00 Disable Unit: 1

01 Auto Tuning R1

02 Auto Tuning R1 + No-load Test

1 2 ... 74 75 76 77 78 79 80 81 82 83 84 ... 178 179

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Delta PG-40 Specifications Page 79

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