* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Ultra Low Harmonic Drives
Audio power wikipedia , lookup
Electrical ballast wikipedia , lookup
Electrification wikipedia , lookup
Transformer wikipedia , lookup
Electrical substation wikipedia , lookup
Stray voltage wikipedia , lookup
Three-phase electric power wikipedia , lookup
Power engineering wikipedia , lookup
Power factor wikipedia , lookup
Transmission line loudspeaker wikipedia , lookup
History of electric power transmission wikipedia , lookup
Resistive opto-isolator wikipedia , lookup
Transformer types wikipedia , lookup
Stepper motor wikipedia , lookup
Amtrak's 25 Hz traction power system wikipedia , lookup
Buck converter wikipedia , lookup
Mains electricity wikipedia , lookup
Pulse-width modulation wikipedia , lookup
Power inverter wikipedia , lookup
Distribution management system wikipedia , lookup
Power electronics wikipedia , lookup
Switched-mode power supply wikipedia , lookup
Alternating current wikipedia , lookup
ABB-PRESS CONFERENCE, 19TH OF JANUAR 2017 Ultra Low Harmonic Drives For clean network Fred Donabauer Ultra Low Harmonic Drives What are harmonics? In an ideal case the current in an AC grid is a pure sine wave In reality the current deviates from this pure sine wave and contains harmonics Harmonics distort the sine wave With a traditional frequency converter the amount of harmonic distortion is from 35 % up to 100 % Ideal sinusoidal current Sources of harmonic distortion: – Harmonics are introduced into the grid by non-linear loads, such as motor starters, variable speed drives and transformers Current with harmonics 6. Februar 2017 Slide 2 Ultra Low Harmonic Drives Harmonics cause disturbances Harmonics distort the sine wave and pollute the electrical supply Disturbances caused to the equipment connected to the grid – motors, transformers, cables and other equipment can overheat – displays and lighting can flicker – circuit breakers can trip – measurement devices can give false readings – fuses can blow – sensitive electronic equipment can be damaged – communications equipment can experience interference – capacitor can fail due to resonances 6. Februar 2017 Slide 3 Ultra Low Harmonic Drives Overcome challenges of harmonics ABB Ultra Low Harmonic Drives help to keep the power network clean With harmonics mitigation built into the drive, the Ultra Low Harmonic Drive produces exceptionally low harmonic content. Total harmonic distortion of the current is < 3 %.* Compared to a conventional frequency converter, the harmonic content is reduced even by up to 95 %. Standard drive February 6, 2017 Slide 4 * Typical value at nominal load ABB Ultra Low Harmonic Drive Ultra Low Harmonic Drives Comparison with multi-pulse solutions Multi-pulse solution ABB Ultra Low Harmonic Drive Requires a special multi-winding transformer No dedicated transformer required Higher cabling and installation cost Simple cabling and installation Requires more space and weights more Power factor unity Lower power factor Harmonic performance is robust against supply voltage variations Effectiveness depends on line imbalance Compact design Lower transformer losses increase overall efficiency Multi-pulse solution February 6, 2017 Slide 5 ABB Ultra Low Harmonic Drive Ultra Low Harmonic Drives Comparison with passive harmonic filter Passive harmonic filter ABB Ultra Low Harmonic Drive Requires an additional filter Does not require any external parts or cabinets Current harmonics typically 6 to 10 % (depends on the filter type) Current harmonics below limits set by harmonic standards IEEE519 and G5/4 Leading power factor at no load Power factor unity at any load point Load dependent voltage drop over the filter Full motor voltage even when the network voltage is low No risk for resonance Passive filter February 6, 2017 Slide 6 ABB Ultra Low Harmonic Drive Ultra Low Harmonic Drives Suitable for all applications Compared to a conventional frequency converter, the harmonic content is reduced even by up to 95 % Typical harmonic distortion of the current < 3% Harmonic distortion of the voltage << 1 % Reduced losses and energy consumption of external components Clean and stable power network Less unwelcome disturbances Longer lifetime of equipment Less maintenance and more uptime Reliable operation February 6, 2017 Slide 7 Ultra Low Harmonic Drives Comprehensive offering from ABB Wide power and voltage range, 4 kW to 3,2 MW, 380 V to 690 V All components integrated into the drive Excellent all-compatible platform – learn it once, use it everywhere Intuitive user interface setting a new benchmark Premium motor control For all industries and applications – Industrial drives – Industry specific variants for HVAC and water* ABB Ultra Low Harmonic Drives February 6, 2017 Slide 8 Ultra Low Harmonic Drives For all industries and applications Industries HVAC Water and wastewater Power Pulp and paper Metals and mining Food and beverage Chemical, oil and gas Marine February 6, 2017 Slide 9 Ultra Low Harmonic Drives The solution from ABB Harmonics mitigation built into the drive – No additional hardware needed Multi-winding transformer Passive filter – No multi-winding transformer arrangements – No hidden costs Harmonic distortion of the current typically <3 % Meets the strict limits of IEEE519 and G5/4 ABB Ultra Low Harmonic Drive Power factor unity in all load conditions Full motor voltage even when the network voltage is low ~ ~ M ~ February 6, 2017 Slide 10 Ultra Low Harmonic Drives The solution from ABB Complete and compact solution Typical solution Simple installation ABB Ultra Low Harmonic Drive Significant space savings Less power cabling No external filter needed No special tuning to the network required ~ = Factory tested solution for high reliability = ~ ~ M ~ February 6, 2017 Slide 11 * Verfügbarkeit auf Anfrage ~ M ~ Ultra Low Harmonic Drives Prevention is better than cure ABB Ultra Low Harmonic Drives February 6, 2017 Slide 12