Toshiba has consistently been at the forefront of technological developments in the field of protection and substation automation, and has published a large number of technical papers in international publications and at conferences, as listed below:

• Phasor-based Monitoring System Employing Real-Time Ethernet
  2009 GEORGIA TECH FAULT & DISTURBANCE ANALYSIS CONFERENCE, USA, APRIL 2009
• Introduction of Protection Relay Testing for Enhanced Quality and Reliability
  OMICRON INTERNATIONAL PROTECTION TESTING SYMPOSIUM (IPTS) 2008,
  FRIEDRICHSHAFEN, GERMAY, OCTOBER 2008
• Improvements in Dependability and Usability for a Substation Automation System with Redundancy
  WSEAS TRANSACTIONS ON SYSTEMS, ISSUE 10, VOLUME 7, OCTOBER 2008
• IEC61850 Based Substation Automation System
  IEEE/PES POWER INDIA, INDIA, SEPTEMBER 2008
• Experience with GPS based time synchronization and distribution systems for substation operation and maintenance functions in Japan
  CIGRE SC B3, PARIS, FRANCE, AUGUST 2008
• Dependability Evaluation of Substation Automation System with Redundancy
  12TH WSEAS INTERNATIONAL CONFERENCE ON SYSTEMS, GREECE, JULY 2008
• Advanced Line Current Differential Relay with Distance Protection and Adaptive Fault Locator
  GEORGIA TECH FAULT DISTURBANCE ANALYSIS CONFERENCE 2008, ATLANTA, GEORGIA, USA, MAY 2008
• Application to Multiple-terminal System in Line Differential Relay
  GEORGIA TECH FAULT DISTURBANCE ANALYSIS CONFERENCE 2008, ATLANTA, GEORGIA, USA, MAY 2008
• Phasor-based Monitoring System Employing Real-Time Ethernet: Architecture and Performance
  2008 WESTERN POWER DELIVERY AUTOMATION CONFERENCE, SPOKANE, WA, USA, APRIL 2008
• Development and Site Trial of a Numerical Pilot-Wire Differential Protection
  IET DEVELOPMENTS IN POWER SYSTEM PROTECTION 2008, GLASGOW, UK, MARCH 2008
• Charging Current Compensation for Distance Protection
  IEEE TRANSACTIONS ON POWER DELIVERY, VOLUME: 23, ISSUE: 1, PAGES 124-131, JANUARY 2008
• Technology and Experience of Fully Numerical Differential Protection Communicating over Metallic Pilot-Wire
  4TH INTERNATIONAL CONFERENCE ON "POWER SYSTEM PROTECTION AND AUTOMATION", NEW DELHI, INDIA, NOVEMBER 2007
• Multi-phase Autoreclose Function Installed in Line Differential Relay
  4TH INTERNATIONAL CONFERENCE ON "POWER SYSTEM PROTECTION AND AUTOMATION", NEW DELHI, INDIA, NOVEMBER 2007
• Advanced Techniques for Current Differential Feeder Protection
  CIGRE SC B5 COLLOQUIUM, MADRID, SPAIN, OCTOBER 2007
• Trends in Testing of Numerical Protection Relays
  OMICRON INTERNATIONAL PROTECTION TESTING SYMPOSIUM (IPTS), KLAUS, AUSTRIA, OCTOBER 2007
• Future of Monitoring Systems using Network Computing Terminals for Power Systems
  GEORGIA TECH FDA 2007 (10TH ANNUAL FAULT AND DISTURBANCE ANALYSIS CONFERENCE), ATLANTA, GEORGIA, APRIL 2007
• Evaluation of a New Impedance-based Fault Location Algorithm for Transmission Lines with Distributed Parameters
  GEORGIA TECH FDA 2007 (10TH ANNUAL FAULT AND DISTURBANCE ANALYSIS CONFERENCE), ATLANTA, GEORGIA, APRIL 2007
• Implementation of High Performance IEC 61850 GOOSE and Protection Relay Testing
  GRIDTECH 2007, NEW DELHI, INDIA, FEBRUARY 2007
• Testing of Protection Relays with IEC 61850 GOOSE Messaging Compared with Conversion Testing Methods
  OMICRON INTERNATIONAL PROTECTION TESTING SYMPOSIUM (IPTS), VORARBERG, AUSTRIA, SEPTEMBER 2006
• A Solution for the Effect of Line Capacitance on Distance Protection
  15^TH INTERNATIONAL POWER SYSTEMS PROTECTION CONFERENCE, BLED SLOVENIA, SEPTEMBER 2006
• Numerical Line Differential Protection over Metallic Pilot Circuits
  15^TH INTERNATIONAL POWER SYSTEMS PROTECTION CONFERENCE, BLED SLOVENIA, SEPTEMBER 2006
• Technology and Experience of Fully Numerical Differential Protection Communicating over Metallic Pilot-Wire
  IEEE/PES TRANSMISSION AND DISTRIBUTION CONFERENCE AND EXPOSITION LATIN AMERICA, CARACAS, VENEZUELA, AUGUST 2006
• The Application and Effect of Multi-phase Auto-reclosing
  ICEE 2006, YONG PYONG RESORT, JULY 2006
• Web Based Monitoring System for Voltage Flicker and Power Quality
  ICEE 2006, YONG PYONG RESORT, JULY 2006
• Evaluation of Zero-sequence Elimination Methods and a Low Impedance Type Restricted Earth Fault Element, ICEE 2006, YONG PYONG RESORT, JULY 2006

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• Problems Associated with Zero Sequence Compensation Applied to Distance Protection
  IEEE GENERAL MEETING, MONTREAL CANADA, JUNE 2006
• Pilot-wire Protection Using Digital Techniques
  GEORGIA TECH PROTECTIVE RELAYING CONFERENCE, ATLANTA, USA, MAY 2006
• Pilot-wire Protection Using Digital Techniques
  IEEE/PES POWER INDIA, NEW DELHI, INDIA, APRIL 2006
• Field Experience and Assessment of GPS Signal Receiving and Distribution System for Synchronizing Power System Protection, Control and Monitoring
  IEEE/PES POWER INDIA, NEW DELHI, INDIA, APRIL 2006
• Charging Current Compensation for Distance Protection
  IEEE PES 2005
• Zero Sequence Current Compensation for Distance Protection Applied to Series Compensated Parallel Lines
  CIGRE 2005
• New Phase Selection for Distance Relay
  ICEE 2005
• An Improved Web-based Fault Locating System for Long Transmission Lines
  IEEE INTERNATIONAL CONFERENCE IN ELECTRICAL ENGINEERING, CHINA JULY 2005
• Web-based Wide Area Measurement System - System Architecture and Experiences
  GEORGIA TECH FAULT & DISTANCE ANALYSIS CONFERENCE, USA APRIL 2005
• A New and Economical Power Distribution Automation System Independent of Central Computer Control
  DISTRIBUTECH 2005
• Development of Stand-alone Type of Transient Stabilizing Controller for Local Power Systems
  ICEE 2004
• Basic Concept and Verification of Distributed Real-time Computer Architecture for Power Systems
  CIGRE SCB5 2004
• Analysis and Evaluation of Multi-Terminal Fault Location Using Actual Fault Data
  IEE DPSP AMSTERDAM, 2004
• Development of High Resolution and High Reliability Time Synchronizing Signal Distribution Technique for Substation Systems
  IEE DPSP AMSTERDAM, 2004
• A New Method for Detection of Faults During Power Swing Conditions for a Distance Relay
  IEE DPSP AMSTERDAM, 2004
• New Type of Islanding Detection System for Distributed Generation Based on Voltage Angle Difference Between Utility Network and Distributed Generation Site
  IEE DPSP AMSTERDAM, 2004
• Substation Architecture with Protective Relays using Digital Instrument Transformers and Digital Interface Technology
  IEE DPSP AMSTERDAM, 2004
• New Line Current Differential Relay using GPS Synchronization
  IEEE/PES POWER TECH 2003
• Web-based Intelligent Information Terminal for Power Systems
  APSCOM 2003
• Recent Trends of Substation Automation Technology in Japan
  CIGRE SCB5 '03
• Trends of Fault Recorder System in Japanese Power System
  CIGRE SCB5 '03
• Network Computing Terminal As an Intelligent Information Terminal For Power Systems
  IFAC '03
• New Line Current Differential Relay Using GPS Synchronization
  IEEE BOLOGNA, 2003
• Integrated Substation Systems - Harmonizing Primary Equipment with Control and Protection Systems
  IEEE YOKOHAMA, 2002
• Testing Communication aided Power System Protection Schemes using GPS Time Synchronization and Remote Control
  IEEE YOKOHAMA, 2002
• Recent Trends in the Implementation of Intranet Based Measurement and Monitoring
  IEEE YOKOHAMA, 2002

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• Fault Location for Series Compensated Parallel Lines
  IEEE YOKOHAMA, 2002
• New Trends in Protection Relays & Substation Automation Systems
  IEEE YOKOHAMA, 2002
• A Remote Supervisory System for a Power System Protection and Control Unit Applying Mobile Agent Technology
  IEEE YOKOHAMA, 2002
• A Newly Developed Web-Based Fault Locating Technology for Transmission Lines and its Experience In The Field
  IEEE YOKOHAMA, 2002
• Information Superhighway - Intranet Based Protection and Control
  IEE COMPUTER APPLICATIONS IN POWER 'INFORMATION SUPERHIGHWAY' MAGAZINE ARTICLE 2001
• Power System Protection And Control Utilising Intranet Technology
  POWER SYSTEMS OCTOBER 2001
• Development of an Improved Multifunction High Speed Operating Current Differential Relay for Transmission Line Protection
  IEE DPSP AMSTERDAM 2001
• An Enhanced Decentralised Numerical Busbar Protection Relay Utilising Instantaneous Current Values From High Speed Sampling
  IEE DPSP AMSTERDAM, 2001
• Islanding Protection System with Active and Reactive Power Balancing Control for Tokyo Metropolitan Power System and Actual Operational Experiences
  IEE DPSP AMSTERDAM, 2001
• A New Approach to the Implementation of Intranet-Based Measurement and Monitoring
  IEE DPSP AMSTERDAM, 2001
• Modern Substation Control and Monitoring System
  ICEE, 1999
• Present and Future Design of Protection, Control and Operation Support System for Substation in Japan
  CIGRE '98
• Stabilizing Control System Preventing Loss of Synchronism From Extension and Its Actual Operating Experience
  IEEE '95MM
• Development of Expert System for Operation at Substation
  IEEE '93
• Microprocessor-based Busbar Protection Relay
  IEE '93
• Experience with Maintenance and Improvement in Reliability of Microprocessor-based Digital Protection Equipment for Power Transmission Systems
  CIGRE '92
• A Predictive Out-of-step Protection System Based on Observation of the Phase Difference Between Substations (Prize paper awarded by IEEE PES)
  IEEE '90WM
• Digital Integrated Relaying System
  CIGRE '89
• Digital Busbar Protective System
  CIGRE '89
• Field Test of a Prototype Integrated Substation Protection and Control System Using Fiber Optic LAN
  CIGRE '89
• Existing Condition and Experiences of Distance Relays and Fault Locators Using Digital Technology
  CIGRE '89
• A Digital Distance Relay Using Negative Sequence Current
  IEEE '89SM
• Digital Distance Relay with Improved Characteristics Against Distorted Transient Waveforms
  IEEE '89WM
• Development of a Substation Digital Protection and Control System Using Fiber Optic Local Area Network
  IEEE '88SM
• Development of a Digital Current Differential Relay with Built-in Sampling Synchronization Function
  KIEE '88

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• Development of Predictive Failure Extension Protection Systems for Electric Power Systems Using Dynamic State On-line Data
  CIGRE '88
• Fast Generation Shedding Equipment Based on the Observation of Swings of Generators
  IEEE '87WM
• Present State and Experience of Digital Protection in Substations
  CIGRE '86
• Microprocessor-based Stabilizing Control Equipment for Survival of Isolated Mid-city Power System
  IEEE '86WM
• Microprocessor-based Fault Locator
  IEE '85
• Higher Protection Scheme Reliability with Current Compensated Undervoltage Relay
  IEE '85
• In-service Experience and Reliability Evaluation of Protective Relay Systems with Built-in Automatic Testing and Supervision Devices
  CIGRE '84
• Interactive Computation System for Relay Setting and Simulation of Relay Operation
  IEEE '84SM
• Application of Microprocessor to Automatic Reclosing of Electric Power Systems
  IEEE IES IECON '83
• Digital Control Applied to Power System Protection
  IFAC '83
• A New Type Microprocessor-based Directional Distance Relay-Its Design and Field Experience
  IEEE '79 SM
• Digital Differential Relaying System for Transmission Line Primary Protection Using Travelling Wave Theory-Its Theory and Field Experience
  IEEE '79 WM
• Newly Developed FM Current Differential Carrier Relaying System and Its Field Experiences
  IEEE '78WM
• Improved Phase-comparison Relaying with Higher Performance
  IEEE '77 SM
• Protective Relay Equipment for 500kV Transformer
  IEE '75