slides topic1

1. Course Outline
- Lecture Topics
- Course Organization
- Design Projects
2. High-Power Converter Topologies
- Multipulse Diode and SCR Rectifiers
- Multilevel Voltage Source Converters
- PWM Current Source Converters
3. High-Power Converter Applications
- Electric Drive Applications
- Power Systems Applications
Topic 1 Introduction

Introduction
High-Power Semiconductor Devices
3. Multipulse Diode Rectifiers
4. Multipulse SCR Rectifiers
5. Two-level Voltage Source Inverter
6. Multilevel Cascaded H-Bridge Converters
7. Multilevel Diode-Clamped Inverter
8. Other Multilevel Voltage Source Converters
9. Current Source Inverters
10. Current Source Rectifiers
Lecture Topics
Course Outline

Lecture 2 hours per week
Laboratory 1 hour per week (simulation)
Textbook
Bin Wu, ‘High-Power Converters and AC Drives’
Wiley - IEEE Press, 2006
Lecture Slides
Download from http://www.ee.ryerson.ca/~bwu/courses.html
Course Organization
Course Outline

1. Series-type 12-pulse Diode Rectifier 15%
2. Space Vector Modulation Technique 30%
3. Control of Multilevel Cascaded H-Bridge Inverters 20%
4. Multilevel diode Clamped Inverters 15%
5. PWM Techniques for Current Source Converters 20%
Total 100%
Design Projects
Course Outline

Multipulse Diode/SCR Rectifiers
High-Power Converter Topologies

Multilevel Voltage Source Converters
High-Power Converter Topologies

PWM Current Source Converters
High-Power Converter Topologies

High-Power Converter Applications
Converter Power Rating
Electric Drive Systems: 100MW
Wind Energy Systems: 6MW
Power Systems FACTS: 300MVA
HVDC: 3000MW
FACTS - Flexible AC Transmission System
HVDC - High Voltage DC Transmission

Mining / cement
Petrochemical
Metals
Marine
Oil / gas
Power generation
Paper / pulp
Water / waste water
Source: Robicon
Variable Speed Drive Applications
Application Areas

- Application: NASA wind tunnel
- Motor: Six-phase, synchronous
- Load: High power fan
- Speed Range: 360 - 600rpm
Supply system
Transformer
Converters
Motor
Excitation system
Filter
100MW Wind Tunnel Drive
Source: ABB
Variable Speed Drive Applications

Inverter type: current source
Switching device: SCR thyristor
# of devices in series: 12
One of the 4 converters used in the drive
Total # of devices: (12 x 6) x 4 = 288
Converter efficiency: > 99%
100MW Wind Tunnel Drive
Source: ABB
Variable Speed Drive Applications

Six-phase synchronous motor
(100MW, 12.5KV, 2.8KA)
Source: ABB
100MW Wind Tunnel Drive
Variable Speed Drive Applications

Source: Fuji Electric
High Speed Train
Variable Speed Drive Applications

Source: Fuji Electric
Rectifier: Single-phase three-level diode clamped
Inverter: Three-phase three-level diode clamped
Ratings: 1.1MW, 1850V
High Speed Train
Variable Speed Drive Applications

Length: 1,150 km
Pipe Size: 24” and 30”
Capacity: 225,000 bpd
Pump stations: 10 Megawatt Drive for Pipeline Pumps
Trans Mountain
Pipeline
Source: Kinder Morgan Canada Inc.
Variable Speed Drive Applications

Applications In Wind Energy Systems
Overview

Applications In Wind Energy Systems
Wind Generator Power Rating
Source: National Renewable Energy Laboratory

Direct driven, no gear box
Completely decoupled from grid
Permanent Magnet SG
Applications In Wind Energy Systems

Applications In Wind Energy Systems
Examples - Multibrid M5000 (5MW PMSG)
Converter: ALSPA VDM7000
Source: Alstom

Applications In Power/Utility Industry
FACTS - Flexible AC Transmission Systems
- Static Synchronous Compensator (STATCOM)
- Static Synchronous Series Compensator (SSSC)
- Unified Power Flow Controller (UPFC)
Custom Power Devices
- Dynamic Voltage Restorer (DVR)
- Distribution Static Synchronous Compensator (D-STATCOM)
- Active Power Filter (APF)
HVDC – High Voltage DC Transmission

Applications In Power/Utility Industry
STATCOM:
Static Synchronous
Compensator
DVR:
Dynamic Voltage
Restorer
Active Filters
SSTS:
Solid-State Transfer
Switch
SSCB:
Solid-State Circuit
Breaker
BESS:
Battery Energy
Storage System

Source: Toshiba Electric
STATCOM
Purpose: To provide reactive power for voltage regulation
Applications In Power/Utility Industry

50 MVA STATCOM
Source: Toshiba Electric
Applications In Power/Utility Industry

Talega ±100 MVA, 138 kV STATCOM system
Source: Mitsubishi Electric
Example – 100MVA GCT STATCOM
Applications In Power/Utility Industry

Combines STATCOM and SSSC which are coupled via
a common DC link
Allows bi-directional flow of real power between the STATCOM and
SSSC without external energy source
Controls power flow, voltage and power factor, allowing optimal
use of existing lines
Series Transformer
Shunt Transformer
Applications In Power/Utility Industry
UPFC

UPFC Equipment
GTO valve hall
Example – 320MVA 138kV UPFC (GTO Based)
Source: AEP Inez UPFC Project
UPFC building
Shunt Transformer
Series Transformer
Applications In Power/Utility Industry

Dynamic Voltage Restorer (DVR)
Source: ABB
Applications In Power/Utility Industry

Dynamic Voltage Restorer (DVR, 4MVA )
Source: ABB
Applications In Power/Utility Industry

Main Benefits of HVDC
Long distance
Network stability
Low losses
Environmental concerns
Applications In Power/Utility Industry
HVDC

Source: ABB
Applications In Power/Utility Industry
HVDC

HVDC Transmission Québec - New England
Source: ABB
Applications In Power/Utility Industry

HVDC Transmission Québec - New England
Radisson Converter Station
Source: ABB
Applications In Power/Utility Industry

Source: ABB
HVDC Project in China
4 HVDC Links
Applications In Power/Utility Industry

Source: ABB
HVDC Project in China
3000MW HVDC from Three Gorges to Guangdong
Applications In Power/Utility Industry

Source: ABB
Overview
Thyristor valve hall
Length of overhead DC line: 940 km HVDC Project in China
3000MW HVDC from Three Gorges to Guangdong
Applications In Power/Utility Industry