Silcovert GN™

PPT2013.01.01.13EN

www.nidec-asi.com
Silcovert GN™

The Silcovert GN is a NPC Voltage Source Inverter (VSI) with IGCT (Integrated Gate
Commutated Thyristor) an...
Silcovert GN™

With either Diode Front End (DFE: 12 or 24 pulse) or Active Front End (AFE) configurations,
this drive prov...
Silcovert GN™
Main Supply Voltage (3 phase):

DFE: (12p) 2 x 1800V ± 10%
DFE: (24p) 4 x 1800V ± 10%
AFE: 3000 V ± 10%

Inp...
cooling system

~

=

induction motor

input transformer

Silcovert GN™

=
front end

~
control
unit

inverter

INVERTER
U...
Silcovert GN™
Front end Configurations

DFE 12P
Diode Front
End

=

DFE 24P
Diode Front
End

AFE
Active Front
End
9-10-12k...
Line to Line Voltage
Output Line-to-line Voltage

Compared to the
usual 2 level
PWM circuit (3
levels line to
line)…

…the...
Silcovert GN™
AFE Inverter Water (9000..360000 kVa)

HMI
SCREEN
& KEYPAD

CONTROL
PANEL
PPT2013.01.01.13EN

COOLING
SYSTEM...
Silcovert GN Module

POWER
MODULE:
TOP VIEW

POWER
MODULE:
REAR VIEW

PPT2013.01.01.13EN

www.nidec-asi.com

9
Water Cooling Unit Details
Pressure

Temperature

Water-to-Water
Heat Exchanger

Flow

Measuring
Systems

Conductivity

De...
IGCT Module Replacement
FAST REPLACING TIME

- single assembly
- complete phase

(< hour)
REAR

Hydraulic pipes
IGCT Modu...
Control Architeture
Front Panel

Remote I/O

I/O

Hard-Wired Link

Ethernet link

HMI
or
Operator Interface

To/from field...
Control Features
• Fully digital control based on ARTICS platform
• VxWorks real time Operating System
• Inexpensive maint...
Hardware Structure
AMS rack

CPU Board Performs:

VME - bus

– Fast Control Loops
– Pulses Modulator

FILPRO C-GN
EPM3256A...
HMI: Control & Output
SVGN HMI (ArtTD) Main Page
Menu Bar
Tool Bar

Variables
List

Silcovert GN

Vertical
Bar
Log View
St...
HMI: Control & Output
SVGN HMI (ArtTD) Instrument Window
Change
the CPU
selection

The 10 most important
measures of the d...
HMI: Control & Output
SVGN HMI (ArtTD) High-Quality Trend Window

The High Quality Trend (HQT) function allows
the time vi...
HMI: Control & Output
SVGN HMI (ArtTD) Viewer
Opened file name
ArtTD Viewer allows the
visualisation of graphics saved bot...
Testing Facility: Nuovo Pignone
Customer Requirements
MultiThread Configuration (4)

VSDS package that operates a motor as...
Testing Facility: Nuovo Pignone
System Performance
Torque Ripple: 2%
Mod.
20-giu-07 Hybrid

Speed
3000
3000
3000
3000
3000...
Silcovert GN™
Main Applications

Metals – Hot & Cold processing Mills for flat and long products.
Marine – Propulsion (inc...
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SILCOVERT GN

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Nidec asi silcovert gn

  1. 1. Silcovert GN™ PPT2013.01.01.13EN www.nidec-asi.com
  2. 2. Silcovert GN™ The Silcovert GN is a NPC Voltage Source Inverter (VSI) with IGCT (Integrated Gate Commutated Thyristor) and field oriented technology for speed and torque control of large induction and synchronous motors. Stand alone configurations for power ranges up to 24 MVA and – whenever high overload and dynamic response capabilities are essential. PPT2013.01.01.13EN www.nidec-asi.com 2
  3. 3. Silcovert GN™ With either Diode Front End (DFE: 12 or 24 pulse) or Active Front End (AFE) configurations, this drive provides ultra high efficiency, very high power factor (close to 1), minimum torque ripple and low input and output harmonic content. A fully digital control platform provides an user-friendly interface for flexibility and accuracy in all applications. PPT2013.01.01.13EN www.nidec-asi.com 3
  4. 4. Silcovert GN™ Main Supply Voltage (3 phase): DFE: (12p) 2 x 1800V ± 10% DFE: (24p) 4 x 1800V ± 10% AFE: 3000 V ± 10% Input Frequency: 50/60 Hz ± 3% Output Power: 9000..24,000 kVA (higher power on request) Efficiency: ≥ 0.98 (50 Hz, rated load) Fundamental Power Factor: 0.98 (AFE with line chokes) Output Voltage: DFE: 0..3000V AFE: 0..3300V Voltage Modulation: PWM Output Frequency: 10..65Hz normal 10..100Hz extended PPT2013.01.01.13EN www.nidec-asi.com 4
  5. 5. cooling system ~ = induction motor input transformer Silcovert GN™ = front end ~ control unit inverter INVERTER UNIT Std. frame 9k0/10k0/12k0 AFE 6200 x 2312 x 1400 mm 18k0/20k0/24k0 AFE 13000 x 2312 x 1400 mm 9k0/10k0/12k0 DFE 6000 x 2312 x 1400 mm 18k0 DFE  Inverter size 8000 x 2312 x 1400 mm 20k0/24k0 DFE  9500 x 2312 x 1400 mm The dimensions listed above refer to the base configuration. Depending on the selected option, size dependent extra length must be added to “L”: - input manual switch: 1000 to 1200 mm -output manual earth-switch : 600 to 1000 mm -Exciter unit (synchronous motor): 1000mm 2310mm Input transformer: oil or dry type external (no distance limitation) Degree of Protection IP 31 (std.) IP41/54 on request Paint Colour RAL 7035 (std.) 1400mm 1000mm AUXILIARY UNIT PPT2013.01.01.13EN CONTROL UNIT OUTPUT UNIT INVERTER UNIT AFE UNIT www.nidec-asi.com INPUT UNIT COOLING UNIT 5
  6. 6. Silcovert GN™ Front end Configurations DFE 12P Diode Front End = DFE 24P Diode Front End AFE Active Front End 9-10-12k0 PPT2013.01.01.13EN AFE Active Front End 18-20-24k0 ~ ~ M = = ~ www.nidec-asi.com 6
  7. 7. Line to Line Voltage Output Line-to-line Voltage Compared to the usual 2 level PWM circuit (3 levels line to line)… …the NPC converter has another output voltage level at each pole which improves waveform quality (5 levels line to line ) 0.005 PPT2013.01.01.13EN 0.01 0.015 www.nidec-asi.com 0.02 7
  8. 8. Silcovert GN™ AFE Inverter Water (9000..360000 kVa) HMI SCREEN & KEYPAD CONTROL PANEL PPT2013.01.01.13EN COOLING SYSTEM www.nidec-asi.com INVERTER 8
  9. 9. Silcovert GN Module POWER MODULE: TOP VIEW POWER MODULE: REAR VIEW PPT2013.01.01.13EN www.nidec-asi.com 9
  10. 10. Water Cooling Unit Details Pressure Temperature Water-to-Water Heat Exchanger Flow Measuring Systems Conductivity Deionization System Filter PPT2013.01.01.13EN www.nidec-asi.com 10
  11. 11. IGCT Module Replacement FAST REPLACING TIME - single assembly - complete phase (< hour) REAR Hydraulic pipes IGCT Module Phase Module FRONT SIDE (DOOR) Hydraulic Connections (module to cubicle) POWER SECTION GENERAL OVERVIEW PPT2013.01.01.13EN www.nidec-asi.com 11
  12. 12. Control Architeture Front Panel Remote I/O I/O Hard-Wired Link Ethernet link HMI or Operator Interface To/from field Control Rack Ethernet link Ethernet PR RACK VMEbus For plant setup and parameter adjustment Local I/O To/from Gate Drivers EXCITER I To/from field PPT2013.01.01.13EN www.nidec-asi.com 12
  13. 13. Control Features • Fully digital control based on ARTICS platform • VxWorks real time Operating System • Inexpensive maintenance and upgrade thanks to market HW solution • display for maintenance and monitoring • Profibus interface to link the drive to the higherlevel automation system • Local & remote interface • Interface for rotor position and speed detectors • Analogue I/O and digital I/O signal conditioning interface • Vector control for SYNCHRONOUS and INDUCTION MOTORS PPT2013.01.01.13EN www.nidec-asi.com 13
  14. 14. Hardware Structure AMS rack CPU Board Performs: VME - bus – Fast Control Loops – Pulses Modulator FILPRO C-GN EPM3256A CPU board (MAX 3000A Programmable Logic Device Family, ALTERA) Filpro C/GN performs: ACEX1K50 – Pulses Schedulator – Field Signal Conditioning – Fast Protection – Commands to Device – Monitors from Devices – Analog I/O – Digital I/O PPT2013.01.01.13EN ACEX1K100 (ACEX 1K Programmable Logic Device Family, ALTERA) (ACEX 1K Programmable Logic Device Family, ALTERA) analog signals I/O digital signals I/O commands monitors field www.nidec-asi.com 14
  15. 15. HMI: Control & Output SVGN HMI (ArtTD) Main Page Menu Bar Tool Bar Variables List Silcovert GN Vertical Bar Log View Status Bar PPT2013.01.01.13EN www.nidec-asi.com 15
  16. 16. HMI: Control & Output SVGN HMI (ArtTD) Instrument Window Change the CPU selection The 10 most important measures of the drive (configurable) 16x16 LED matrix signal. Each LED is associated with an alarm. If the mouse pointer is moved on the LED, the correspondent alarm description is indicated. Reset the alarms Open the synoptic page PPT2013.01.01.13EN Select the CPU for alarm visualisation www.nidec-asi.com 16
  17. 17. HMI: Control & Output SVGN HMI (ArtTD) High-Quality Trend Window The High Quality Trend (HQT) function allows the time visualisation of up to 8 variables displayed by ArtTD. Variables description Sampling time Trigger selected variable Stored sample count Enable the trigger Trigger transaction value Trigger delay On/Off Trigger slope Trigger delay time PPT2013.01.01.13EN www.nidec-asi.com 17
  18. 18. HMI: Control & Output SVGN HMI (ArtTD) Viewer Opened file name ArtTD Viewer allows the visualisation of graphics saved both with the HQT and the AutoDiag. These traces can be save as CSV files and imported into software packages like Excel. Variable names PPT2013.01.01.13EN Choose the file type to open Export CSV file Cursor coordinates and Cursor Measurements selection www.nidec-asi.com 18
  19. 19. Testing Facility: Nuovo Pignone Customer Requirements MultiThread Configuration (4) VSDS package that operates a motor as a starter/helper/generator coupled to GT with full power capability in regenerative mode. Our Solution PPT2013.01.01.13EN From conceptual design of the machine and drives to complete system validation (motor & inverter) and start-up in nine months. www.nidec-asi.com 19
  20. 20. Testing Facility: Nuovo Pignone System Performance Torque Ripple: 2% Mod. 20-giu-07 Hybrid Speed 3000 3000 3000 3000 3000 Load (MW) 6,5 26 29 32 34 Motor in helper mode 33KV 33KV Current Voltage THD% THD% 7,5 3,0 2,6 3,0 2,5 3,0 2,5 3,0 2,5 3,0 Motor Torque Torque [kNm] 19 82 92 102 108 Ripple% Mech 7,5 4,5 2,5 2,0 2,0 Grid side Current THD = 2,5% Grid phase current Mod. 15-giu-07 Asyn. Speed 1500 2820 3000 3300 3300 3000 PPT2013.01.01.13EN www.nidec-asi.com AFE interleaving off AFE interleaving on Grid Grid Grid Grid Load Current Voltage Current Voltage (MW) THD% THD% THD% THD% 5 26,0 13,0 9,0 3,0 21 7,0 13,0 3,0 3,0 21 7,0 13,0 3,0 3,0 20 6,5 13,0 3,0 3,0 27 5,5 13,0 2,5 3,0 27 5,5 13,0 2,5 3,0 20
  21. 21. Silcovert GN™ Main Applications Metals – Hot & Cold processing Mills for flat and long products. Marine – Propulsion (including dynamic positioning), off-shore workboats & equipment (icebreakers, pipelayers, etc..) Oil & Gas – High Power, High Speed Centrifugal Compressors PPT2013.01.01.13EN www.nidec-asi.com 21

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