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Product Features and History

Applications and Markets

Perfect Harmony Topology

Integrated Medium Voltage System

System Issues

Perfect Harmony Photos

ProToPS™

Control Drive Tool

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PRODUCT FEATURES

400 to 90,000 HP

•Low Harmonic Input

•Near Utility Power Factor

•Higher Overall System Efficiency

•“Motor Friendly” Output

•Enhanced Availability

•Lower Installed Cost

•Improved Control

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PRODUCT RANGE

400 to 90,000 HP

400 to 3,000 HP @ 2,300 VAC400 to 9,000 HP @ 3,300 VAC400 to 11,000 HP @ 4,160 VAC

1,000 to 20,000 HP @ 7,200 VAC1,000 to 90,000 HP @ 13.8 KV*

400 to 9,000 HP Air Cooled4,000 to 90,000 HP Liquid Cooled

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PRODUCT HISTORY

Product Introduction 1994 (Dec.)

Generation2: Options Program 1996

Increased Output Voltage to 6.6 KV 1996(690V cells)

UL/CSA 1996

Generation3 Harmony 1998— CE Mark 1999— Mechanical Cell Bypass 1999

Next Gen. Control with fast Cell Bypass 2000

Increased Maximum HP to 19,000 HP 2000(9H cells)

HVE Purchases ASI and ARH 2000

1500 Perfect Harmony Units Sold 2002

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APPLICATIONS & MARKETS Wide Range of Industries Served

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• Electric Utility

• Oil and Gas

• Water and Wastewater

• Chemical

• Paper

• Cement

• Mining

• Rubber

• Plastics

• HVAC

• Testing

• Marine

• Metals

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APPLICATIONS & MARKETS Wide Range of Applications Experience

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Variable Torque

• Pumps

• Fans

• Compressors

Constant Torque

• Banbury Mixers

• Pellitizers and Extruders

• Kilns and Sag Mills

• Pulverizers

• Main Paper Machine Drive

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PERFECT HARMONY TOPOLOGYPower Cell Schematic

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PERFECT HARMONY TOPOLOGYTypical Power Schematic of a Perfect Harmony Drive

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PERFECT HARMONY TOPOLOGY4160 Volt Drive

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PERFECT HARMONY TOPOLOGYA 4160 Volt Supply can be Assembled from 630/690 Volt Sources

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PERFECT HARMONY TOPOLOGY6000 Volt Drive

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PERFECT HARMONY TOPOLOGY6600–7200 Volt Drive

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SYSTEM ISSUESInput Harmonics - Robicon “Perfect Harmony” Drive

1000 HP VFD, 1100 KVA 5.75% Impedance Source

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SYSTEM ISSUESOutput Waveforms @ 60 HZ and 30 HZ

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Wave Forms Remain High Quality at Lower Speeds Due to Multi-level PWM Output

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SYSTEM ISSUESOutput Harmonics -Robicon “Perfect Harmony” Series @ 30 HZ, Full Load

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Other MV Drives can Generate Up to 30% Per Unit Torque Pulsation

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SYSTEM ISSUESPerfect Harmony Concept -Fully Integrated at Robicon not Your Plant Floor

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PERFECT HARMONY PHOTOSAir Cooled, 4160 V, 1000 HP

Cell Enclosure Panel Door Open• Easy Access• Small Footprint

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PERFECT HARMONY PHOTOSAir Cooled, 4160 V, 1000 HP

Control Panel Swings Out for Access to Left Cells

WithdrawableCells

Cell Enclosure Open for Cell Access

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PERFECT HARMONY PHOTOS Air Cooled, 4160 V, 1000 HP

Direct Drive Blower

Motor Monitors

Transformer

380/460/575V Panel

Terminal Area

Customer Interface Area

Transformer Enclosure

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PERFECT HARMONY PHOTOSWCI Complete System IP 52 Enclosure

• 5,000 HP – 30,000 HP

• 4160 V – 13.8 KV

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PERFECT HARMONY PHOTOS WCI Power Cubicle and Power Cell

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CONTROL DRIVE TOOLFeatures

• Provides Windows-Based Graphical User Interface

• Drive Tool Runs on PC’s

• Has Full Functionality

• Same Menu Structure as Keypad Interface

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CONTROL DRIVE TOOL

Menu Structure Window

Graphics Window

Drive Status Window

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CONTROL DRIVE TOOL

Edit a Parameter

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CONTROL DRIVE TOOL Open Loop Sensorless Vector Control

• Motor-mounted Encoder NOT Required

• Duplicates Two Quadrant DC Operation

• Provides Precision Speed/Torque Control

• Fast Dynamic Response

• Low Speed/High Torque Capability

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CONTROL DRIVE TOOL Multiple Language Support

• All Display Text (parameters and help) are Stored in a Separate Excel File

• Creating Additional Language Displays is as Simple as Translating the File

• Operator Can Select from Multiple Languages–English (standard)–Local Language - ASCI Text

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CONTROL DRIVE TOOL Auto Tuning

• Provides Motor Information to Optimize Control

• Two Stage Process:–Stage 1: Stator Resistance, Leakage Inductance–Stage 2: Motor No-Load Current, Inertia

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CONTROL DRIVE TOOL Power Monitoring

Input Display Parameters• Input Voltage• Input Voltage Harmonics

(one at a time)• Input Current• Input Current Harmonics

(one at a time)• Input PF• Input Power (kW)• Input Reactive Power (kVAR)• Input kW-Hr• Input Phase Sequence• Loss of Phase• Low Voltage• Transformer Overload

Input Display Parameters• Output Power (kW)• kW-Hr• Output Current - RMS• Output Voltage - RMS• VFD Efficiency• Motor Torque• Motor Speed (RPM)• Motor Slip (%)• Drive Output Frequency (Hz)• Magnetizing Current• Torque Current • Motor Flux

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Can Determine and Display Information About Input Waveform and Drive Output

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SUMMARY

• Exceeds IEEE 519 Harmonic Requirements

• Near Unity Power Factor

• “Motor-friendly” Output

• Reduced Installed Cost and Size

• Enhanced Availability

• High System Efficiency

• Advanced Control and Communication

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