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Protection Library
- Relay Input Transformers
CT's
Influence of instrument transformers on power system protection
Rating CTs for Low Impedance Bus and Machine Differential Applications
Selecting CTs To Optimize Relay Performance
Standard CT Accuracy Ratings in Metal-Clad Switchgear
The Impact of High Fault Current and CT Rating Limits on Overcurrent Protection
Current Transformer Concepts
Low Power Voltage and Current Transducers for Protecting and Measuring Medium and High Voltage Systems
Determine Current Transformer Suitability Using EMTP Models
CT Class Definitions
CT Application Guide
Paralleling CTs for the B30 Bus Protection Relay to Reduce CT Input Requirements
CT Accuracy Classification
Dimensioning of Current Transformers for Protection Application
CT Saturation in Industrial Applications - Analysis and Application Guidelines
Experimental Evaluation of EMTP Based Current Transformer Models for Protective Relay Transient Study
Mathematical Models for Current, Voltage and Coupling Capacitor Voltage Transformers
Co-ordination of Fast Numerical Relays and Current Transformers
CT Modeling Techniques for Relay Protection System Transient Studies
Current Transformer Errors and Transformer Inrush as Measured by Magnetic, Optical and Other Unconventional CTs
Relaying Current Transformer Application Guide
Considerations in Applying EMTP to Evaluate Current Transformer Performance under Transient and High Current Fault Conditions
The Effect of Conventional Instrument Transformer Transients on Numerical Relay Elements
Current transformers for HV protection
Current Transformers: specification errors and solutions
Current Transformers: how to specify them
CVT's
A New Method for the CCVT Performance Analysis Using Field Measurements, Signal Processing and EMTP Modeling
Digital Models of Coupling Capacitor Voltage Transformers for Protective Relay Transient Studies
Computer Simulation of a Ferroresonance Suppression Circuit for Digital Modeling of Coupling Capacitor Voltage Transformers
Mathematical Models for Current, Voltage and Coupling Capacitor Voltage Transformers
Coupling Capacitor Voltage Transformer: Laboratory Tests and Digital Simulations
The Effect of Conventional Instrument Transformer Transients on Numerical Relay Elements
Capacitive Voltage Transformers: Transient Overreach Concerns and Solutions for Distance Relaying
Digital Relays and Capacitive Voltage Transformers: Balancing Speed and Transient Overreach
Optical CT's, PT's
A Wide-Band High-Accuracy SF6-Free Optical Voltage Transformer
Wide-Band 138 kV Distributed-Sensor Optical Voltage Transducer: Study of Accuracy under Pollution & other Field Disturbances
Interfacing Optical Current Sensors in a Substation
Resistively Shielded Optical Voltage Transducer
Reliability Considerations: Optical Sensors for the Control &l; Measurement of Power
Fiber Optic Current Sensor Calibration
230 kV Optical Voltage Transducer Using a Distributed Optical Electric Field Sensor System
Optical Current Sensors Eliminate CT Saturation
138 kV & 345 kV Wide-Band SF6 - Free Optical Voltage Transformers
Fiber-Optic Current Transducer Optimized For Power Metering Applications
SF6-Free 550 kV Combined Optical Voltage & Current Transducer System
Early Experiences with Protection Applications of Optical Current & Voltage Transducers
Protection of a 230 kV Line Using Both Conventional and Optical CT Inputs
Other Non-conventional Relay Input Sources
Application of Rogowski Coils for Protective Relaying Purposes
Overview of C37.92, Standard for Low-Level Analog Interface between Electronic Sensors and Protective Relays
Rogowski Coil Transient Performance and ATP Simulations for Applications in Protective Relaying
Rogowski coil presentation
High-Precision Rogowski Coils for Improved Relay Protection, Control and Measurements
Low Power Voltage And Current Transducers For Protecting And Measuring Medium- And High-Voltage Systems
Manta Test Systems
Canada & US 1-800-233-8031
