Frekvenční měniče Katalogy, manuály (EN+CZ)

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Vydal: ABB s.r.o, ELSYNN Autor: ABB ELSYnn

Strana 662 z 825







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Furthermore, the motor subjected additional harm onic heating generated the inverter switching further precautions are taken. The result excellent w aveform voltage and current, supplied to the motor. 4 ACS 1000, ACS 1000i ABB . This flexibility enables the use oil-filled transformers when the transformer will mounted outdoors. The integrated input transformer, on the other hand, sim plifies installation and com issioning (three cables three cables out). With ACS 1000 ACS 1000i, all these detrimental effects are totally elim inated by its unique output sine filter, being integral part the drive. The advantage that heat losses from the input transformer are not dissipated the electrical room. Output sine filter perfect for standard motors and retrofit applications Voltage reflections and common mode voltages, caused any inverter topology, are real concern for edium voltage otors. With its network-friendly diode rectifiers, the motor-friendly output sine filter and its input transformer flexibility, can fit where you need it. They cause excessive stress standard otor insulation and create harmful bearing currents, both with potentially disastrous consequences. This eliminates the need for costly harmonic analysis installation of network filters hen applying new drive. System design flexibility The ACS 1000 family can configured with either integrated dry-type separately installed input transformer.Retrofit-ready simplicity The ACS 1000 family optimized for retrofits. Network friendly Depending the network conditions, the drives the ACS 1000 family can equipped with 12- 24-pulse diode rectifier hich m eets the stringent requirem ents for current and voltage harmonic distortion defined by IEEE, IEC and EN. Benefits-------------------------------------- • Compatibility with standard induction motors without derating •Ability retrofit existing motors • Motor efficiency same Direct-On-Line (DOL) operation • Reduced motor noise • Use standard cables • limitation motor cable length The ACS 1000 drives family provides smooth and accurate motor control even low speed and full torque (left diagram: 10 Hz, 100 torque) throughout the full operating range speed and load (right diagram: Hz, 100 torque)