INSTALLATION
SINUS K
INSTRUCTIONS
20/
191
6.1.
Choosing the Product
Inverters of the SINUS K series are dimensioned based on allowable current and overload.
SINUS K series is characterized by two different current values:
-
Inom: continuous current that can be produced.
-
Imax: max. allowable current that can be produced when the inverter is overloaded, for a time of
120sec every 20min up to S30 and for a time of 60 sec every 10min from S40 to S65.
Each inverter model may be connected to 4 different motor power sizes depending on load performance.
Typical applications have been divided into 4 overload categories to help choosing the most suitable inverter
size.
LIGHT
overload up to 120%; may be connected to light loads with constant/quadratic torque
(pumps, fans, etc.);
STANDARD
overload up to 140%; may be connected to standard loads with constant torque (conveyors,
mixers, extruders, etc.);
HEAVY
overload up to 175%; may be connected to heavy loads with constant torque (lifts, injection
presses, mechanical presses, translation and lifting of cranes, bridge cranes, mills, etc.);
STRONG
overload up to 200%; may be applied to very heavy loads with constant torque (mandrels,
axis control, etc.).
The table below indicates the overload class typically required for each application.
Dimensioning is not binding; the torque model required by the duty cycle of the connected machine should be
known.
OVERLOAD
Application
LIGHT STANDARD HEAVY STRONG
Atomizer, bottle washer, screw compressor (no-
load), damped axial fan, undamped axial fan,
centrifugal damped fan, undamped centrifugal
fan, high-pressure fan, bore pumps, centrifugal
pumps, positive displacement pumps, dust
collector, grinder, etc.
*
Slurry pump
* *
Agitator, centrifuge, piston compressor (no-load),
screw compressor (loaded), roller conveyor, cone
crusher, rotary crusher, vertical impact crusher,
debarker, edger, hydraulic power pack, mixer,
rotary table, sanding machine, bandsaw, disk
saw, separator, shredder, chopper,
twister/spinner, industrial washer, palletizer,
extruder, etc.
*
Conveyor belt, drier, slicer, tumbler, mechanical
press, forming machine, shears,
winding/unwinding machine, drawplate,
calender, screw injection moulding machine, etc.
* *
Piston compressor (loaded), conveyor screw,
crusher jaw, mill, ball mill, hammer mill, roller
mill, planer, pulper, vibrating screen, hoist and
crane displacement, loom, etc.
*
Mandrel, axis control, lifting application,
hydraulic power pack injection press, etc.
* *
The tables contained in the following pages state the power of the motors to be connected to SINUS K inverters
based on their overload classes.
NOTE
The data items contained in the tables below apply to standard 4-pole motors.
Содержание SINUS K
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