White Papers & Case Studies
White paper: Why Go Digital? Discover the Benefits of Substation Digitization
Why go Digital? Discover the benefits of substation digitization
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Published: 29-Jun-2017
White paper: IEC 61850 Interoperability and Implementation
This white paper outlines the interoperability of IEC 61850. Our practices, with several use-cases for interoperability within a multi-vendor environment are analyzed. The architecture/process at the device level and system level is proposed too.
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Published: 18-May-2016
White paper: Cybersecurity Adds Resiliency to the Smart Grid
The grid is under stress or attack almost all the time, whether it is a hurricane, ice storms or a cyber-attack. Cybersecurity adds resiliency to the network and helps to ensure the operator is able to view the status of the grid.
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Published: 22-Oct-2014
White Paper: Transformer Management through Integrated Monitoring & Diagnostics
Today’s engineers need transformer monitoring solutions that provide clear, actionable intelligence through electrical, chemical and thermal data. Unifying this data, the Multilin 845 provides a holistic view of transformer health.
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Published: 24-Aug-2017
White Paper: Strategies for Maintaining Grid Reliability with the Multilin UR Platform
Operators must have a relay lifecycle strategy to ensure device health and power system reliability. If you have an earlier generation UR, this paper guides you through a strategy and demonstrates how the UR minimizes typical device upgrade costs.
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Published: 12-Oct-2016
Case Study: Top 5 Reasons to Implement Distributed Bus Protection
This paper will discuss the evolution of bus protection, focusing on distributed bus protection schemes and five key considerations in implementing IEC 61850 process bus distributed bus protection schemes in modern power systems.
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Published: 18-Nov-2015
Case study: DA System Design Considerations
This paper reviews the various options for automating a distribution system utilizing a range of techniques and algorithm locations with a comparison of the various levels and a discussion of the advantages/disadvantages.
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Published: 16-Dec-2013
Case study: Distributed Bus Protection in the Smart Substation
This paper presents a new Distributed Bus Protection System that is not only as a protection system, but also a platform that incorporates the data from the HV equipment in an IEC 61850 process bus scheme.
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Published: 16-Dec-2013
White paper: Online Management of Aging Transformers Using Photo-acoustic Spectroscopy
An introduction to photo-acoustic spectroscopy for online monitoring is presented, with a description of the benefits associated with using this robust technology for the challenging substation environment.
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Published: 13-Dec-2013
Case Study: Investing in Continuous Transformer Testing
This paper shows that bushings and tap changers are critical as the active part in terms of the root cause of failure. Action steps are described to prevent from failure and ensure electrical power reliability.
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Published: 13-Dec-2013
Case study: Distance Relay Fundamentals
This paper discusses the fundamental features of the three types of distance functions and possible problems that may be encountered in their design and application.
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Published: 21-Jun-2011
Case Study: Substation Automation Hybrid
This paper discusses hybrid substation automation solutions, concentrating on the inclusion of alternate technologies. Evolutionary scenarios are used to highlight the conversion from alternate technologies to IEC 61850.
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Published: 21-Jun-2011
White Paper: Replenishing the Aging Work Force in the Power Industry
This paper discusses the program to develop and attract the interest of the next generation of technical experts, including the respective roles of industry and academia.
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Published: 21-Jun-2011
Case Study: Secure Substation Automation for Operations and Maintenance
This paper outlines how utilities are implementing a mix of substation automation architectures to respond to cyber threats while providing secure access for Operations and Maintenance Systems and Personnel.
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Published: 21-Jun-2011
Case Study: Tieline Controls in Microgrid Applications
This paper presents tieline controls, an important Microgrid control feature, enabling the coordinated response of several distributed energy resources, such as generation, energy storage, or controllable loads.
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Published: 21-Jun-2011
White Paper: Application Considerations in System Integrity Protection Schemes
This paper describes some of the critical engineering, design, and applications of the latest technology for the implementation of System Integrity Protection Schemes (SIPS).
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Published: 21-May-2011
Case Study: Windfarm System Protection Using Peer-to-Peer Communications
This paper reviews the overall requirements for comprehensive windfarm protection. It also focuses on the problem of feeder ground faults and presents a solution making use of peer-to-peer messaging via the IEC 61850 protocol.
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Published: 21-May-2011
Case Study: Implementing Lockout Function with IEC 61850 Communications Based P&C Systems
This paper presents a new process bus system for protection and control using IEC 61850 process bus as a technical framework.
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Published: 4-Dec-2010
Case Study: Improvements in Power System Integrity Protection Schemes
This paper outlines the need for the Power System Protection Systems (PSPS) also called System Integrity Protection Schemes (SIPS) and the resulting design requirements.
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Published: 4-Aug-2010
Case study: Application of Digital Radio for Distribution Pilot Protection
This paper describes basic digital radio technology and shows possible applications for distribution protection. As with other pieces of the protection system, it is important to understand the reliability and performance of digital radio.
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Published: 13-Apr-2010
Case study: Distribution Substation Automation in Smart Grid
This paper discusses an approach to substation automation that incorporates distribution automation, demand response and advanced metering infrastructures.
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Published: 12-Apr-2010
Case Study: IEC 61850 Communication Networks and Systems In Substations
This paper looks at the needs of next generation communication systems and provides an overview of the IEC 61850 protocol and how it meets these needs.
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Published: 2-Jul-2009
White Paper: A Paradigm Shift in Protection, Control and Substation Automation Strategy
This paper presents the requirements for improved efficiency in all phases of engineering, maintenance, and operation, to support an increasing level of substation integration and protection.
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Published: 2-Jul-2009
White Paper: The Digital World and Electrical Power Supply: A Hypersensitive Imbalance
This paper discusses UPS technology and architecture, including systems that can provide power until the computer network has been shut down.
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Published: 2-Jul-2009
White paper: An Enterprise Information Architecture Enables a Smarter Grid
To make the smart grid a reality, utilities need to leverage intelligence for smarter, faster decision making. So how do you collect, organize, distribute, integrate, secure and interpret the vast sea of information in today’s grid environment?
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Published: 29-Jun-2009
Case study: AEP Process Bus Replaces Copper
A huge opportunity for material, time and manpower savings exists in the reduction of substation copper control cables. Read about American Electric Power’s journey to removing control cabling and replacing it with fiber-optic communication.
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Published: 29-Jun-2009
White paper: Enhanced Security and Dependability in Process Bus Protection Systems
This paper outlines the high-level design principles for protection and control systems, illustrated using a practical solution for implementing ultra-critical protection and control IEC 61850 process bus applications.
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Published: 26-Jun-2009
White Paper: The Evolution of Distribution
This paper highlights how traditional distribution management evolved to include advanced smart grid applications and integrated technologies driving incremental benefits in capital expenditures, operation and maintenance expenses, customer benefits.
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Published: 21-May-2009
Case Study: Key Smart Grid Applications
This paper will explore three key Smart Grid functions (Delivery Optimization, Demand Optimization and Asset Optimization) with the strongest business case justification.
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Published: 7-Feb-2009
Case Study: Using 6-Sigma Methodology to Review System Security
This paper discusses a methodology to apply 6-Sigma techniques as part of a security audit of a complete system for the purpose of threat assessment.
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Published: 18-Jul-2008
Case Study: Security Architecture for IEC 61850-9-2
This paper reviews cyber-security requirements for a process bus-based protection and control system, using NERC CIP as a reference. General attributes and functional requirements for a process bus network are described.
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Published: 18-Jul-2008
White Paper: Leader or Follower, Developing the Smart Grid Business Case
This paper discusses the key driving factors behind smart grid momentum, the challenges facing utilities, and suggests how utilities should think about developing their comprehensive smart grid business cases.
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Published: 25-Jun-2008
White Paper: Application of Phasor Measurement Units for Disturbance Recording
This paper looks at the specific application of PMUs for disturbance recording, with emphasis on wide area cross-triggering of recording PMUs during events.
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Published: 22-Jun-2006
Case Study: Scalability of IEC 61850 Process Bus Solutions
This paper explains scalability as it relates to process bus solutions, and identifies the need for scalability for such systems, in particular for the HardFiber system.
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Published: 28-Oct-2005