Lenze 8400 Manuel d'utilisateur télécharger pdf (Page 32)

Technical data

General data and operating conditions



EDS84ASC552 EN 9.1

Openandclosedloopcontrol

Open and closed loop control processes

V/f characteristic control (VFCplus)

 Operation of asynchronous machines with a linear load torque characteristic

 Operation of asynchronous machines with a quadratic load torque characteristic

V/f control (VFCplus + encoder)

 V/f characteristic control VFCplus with additional speed feedback

Energy-saving V/f characteristic control (VFCplusEco)

 Reduction of the power loss in the partial load operational range

Sensorless vector control (SLVC)

 Encoderless control of asynchronous machines

Sensorless vector control (SLPSM)

 Encoderless control of synchronous machines

Servo control (SC)

 Dynamic c ontrol of asynchronous machines in all quadrants

 Dynamic c ontrol of synchronous machines in all quadrants

Switching frequency

2kHz,4kHz,8kHz,16kHz,

Optionally noise optimised or power-loss optimised

Torque behaviour

Setting range SC ASM 1 : 20 ... 50 Valid for power- / current-adapted motor and correct

parameterisation.

Setting range SC

PMSM

1 : 20 ... 40 Valid for power- / current-adapted motor and correct

parameterisation.

Setting range SLVC 1 : 10 ... 20 Valid for power- / current-adapted motor and correct

parameterisation.

Setting range SLPSM 1 : 10 ... 20 Valid for power- / current-adapted motor and correct

parameterisation.

Information exclusively refers to controlled operational range.

Note: The setting range depends on the accuracy of the nameplate data and the equivalent circuit diagram

data of the motor. Depen ding on the data quality, the above-stated setting ranges may differ. In the case

of special motors or strong differences in the dimensionings of motor and controller, the values may also

differ.

Sensorless vector control (speed)

Minimum output

frequency

0.5Hz(0...M

rated

)

Setting range 1:10 Based on 50 Hz and M

rated

Accuracy 0.5 %

In a setting range of 3 ... 50 Hz

Smooth running 0.1 Hz

Output frequency

Range -1000 Hz ... +1000 Hz

Absolute resolution 0.02 Hz

Standardised

resolution

Parameter data: 0.01 %, process data: 0.006 % (= 2

)

Digital setpoint selection

Accuracy 0.01 %

Analog setpoint selection

Accuracy 0.5 % Based on the final value

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Lenze 8400 Manuel d'utilisateur Page 32

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