Variable frequency drives

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••X POWER ELECTRONICS FOR INOUSTRIAL APPLICATIONS Ansaldo Sistemi Industriali HIGH-PERFORMANCE MEDIUM VOLTAGE VARIABLE FREQUENCY DRIVES

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the alternative of installing a completely new variable speed drive system versus that of adding a variable frequency converter to an existing fixed speed motor or re-usable equipment refurbishing. Our goal is to bring new life to your plant through the analysis of existing motors and drives. Hydraulic

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Performance you can rely on Low network harmonics An ideal frequency converter should control energy flow without generating voltage and current harmonics. Our MV drives ensure excellent power factor line-side in every working condition due to the full-wave rectification using multi

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Product compliance Standards IEC EN 61800-3 IEC EN 61800-4 IEC EN 61800-5-1 IEC EN 60204-11 IEC EN 60529 Series N Drive Quadrants of operation DFE: 2 or 4 with braking chopper AFE:4 DFE 12P: 2 x 1800 V ±10 % DFE 12P: 2 x 1800 V ±10 % DFE 24P: 4 x 1800 V ±10 % DFE 24P: 4 x 1800 V

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;             ■C m un TT># oc- risii IW* WT_ '■ilfl'tfiTAUirMS—] 11*1 IMI ri-na- r ■.(■UHM iHtthirJi MM uve Versatile HMI is intuitive to the touch The intuitive HMI is highly versatile and permits the user to personalize the drive settings

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installations and more than 30 years of field-proven experience prove the Silcovert S Variable Frequency Drive’s Hundreds of reliability and high performance 3

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Variable Frequency Drive: Thanks to its flexibility and performance the Silcovert S can be used as a Variable Frequency Drive (VFD) for large synchronous motors. It is the ideal solution for industrial applications and power station auxiliaries thanks to its very high level of reliability

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to the frequency of the free-running machine. When used as a soft-starter, the Silcovert S includes a dedicated interface board that controls the field of the synchronous machine through its existing exciter converter. An important part of your plant maintenance program The drive control module is based on new

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The right size for your needs The importance of being adaptable Adaptability is an important issue for certain situations, in particular for retrofit and revamping where a new drive has to replace an old one or has to be placed in a predetermined space. In these cases, our custom-engineered drives

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of maintenance and repair; offering optimum power quality, near unity power factor and more than 99% drive efficiency. Up to 100 MW Our engineering capabilities allow us to configure and supply power control systems up to 100 MW based on our standard drive technology. 6

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of Deck Fittings Powered Mooring System for USCG Great Lakes Ice Breaker Horizontal Anchor Windlass Constant Tension Variable Frequency Drive Winch 8

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that have satisfied hundreds of customers worldwide. Reliable Cost-Effective Solutions for all industrial applications At Ansaldo Sistemi Industriali reliability is the foundation of our product design. Using proven IGBT/IGCT or traditional LCI technology our variable frequency drives are custom engineered to provide

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AC Drives The GT1000 is a compact Variable Frequency Drive (VFD) that uses IGBT technology for control of low voltage AC motors. The GT1000 was designed for pumping stations, fans, HVAC systems and textile applications. Low Voltage Drives GT1000/GT3000/GT5000 Voltage: 400-480 V The GT3000

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AC Drives Silcovert NH is a Neutral Point Clamped Voltage Source drive with IGBT power devices and a more efficient and precise control for induction and synchronous motors. Medium Voltage Drives Silcovert NH The PWM technique with high switching frequency allows an almost sinusoidal motor current

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AC Drives Medium Voltage Drives - Cycloconverter Silcovert GN The Silcovert GN is a Neutral Point Clamped Voltage Source Drive with IGCT power devices and fields-oriented control technology for synchronous and induction motors. Voltage: up to 3300 V Output Frequency: normal 10 - 65 Hz extended 10

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AC Drives The Silcostart is an electronic starter for induction motors. Low Voltage Softstarter Silcostart It consist of a three-phase fully controlled thyristor switch and is designed to reduce the inrush current during direct online starting of induction motors at low and medium power ratings

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ACCESSORIES Deck G ea r • Con trol G ea r Variable Frequency Motor Controllers Anchoring Solutions Windlasses Capstans Accessories Variable frequency drives have many advantages over more simple, direct on line solutions: • Eliminate high current requirements during startup and speed