Siemens EK 726 Series Manual de Serviço descarregar pdf (Página 20)

TECHNICAL DESCRIPTION

MICROMASTER

MICROMASTER Vector

MIDIMASTER Vector

SIEMENS DA 64 – 2002/2003

Version D 2/6

2.1.12 MICRO/MIDIMASTER Vector (sensorless vector control)

This control type is preferably used for single drives with asynchronous motors where the requirements placed on the dynamic

response range from low to high, and for speed control ranges up to 1:10. It is suitable for most industrial applications, for example,

extruders, packaging machines, industrial washing machines, lifts and cranes.

Ramp-up/

ramp-down

generator

Start

*/d

Acc.

n controller

slip

f > f

f < f

EMF computer

for pre-control

controller

I W *

controller

Coord

trans-

former

correction

atin

unit

VSt

Gating

unit

Motor model

with vecto

transf ormation

Drive inverter

Load

control

Effective for f > f

ist

n calculated

2.1.13 Torque and speed response

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 119 120

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