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Application Guides
- 3 Phase Imbalance and Ground Fault Detection Using the CR7310 Ground Fault Sensor
- Active Power Measurement with the CR6230-40 Power Transducer
- Active Power Measurement with the CR6250-60 Power Transducer
- CR45 as an Open Heater Open Winding Indicator
- Data Stream ASCII Programming Guide
- Detecting Open Heaters and Lamps with the CR4395 Current Sense Relay
- Developing Voltage From 4-20mA Current Loops
- Field Adjustment of Current Transformer Ratio
- Low Cost Fan Control with Hysteresis
- Measuring 3 Phase Currents with the CR4210 Transducer
- Motor Current Monitor Using the CR4395 Relay
- Precision Rectifier Circuit for CT Signal Conditioning
- Selecting ANSI Class Metering Current Transformers
- Using External Current Transformers with Other Devices
- Using the CR4220 Series Current Transmitter
Technical References
- 3 Phase Circuits - Illustration of three-phase voltages and current for Delta and Wye circuits.
- AC Motor Loads - Table listing electrical operating and full load current at different horse power and voltage levels.
- An Analysis of Current Transformer Ratio and Phase Angle Error - A technical discussion of the current transformers including equivalent circuits, phasor diagrams and Thevenin equivalents.
- Current Transformer Ratios - Illustration on methods used to change current transformer ratio.
- Glossary of Technical Terms - An index of common technical terms used in the electrical instrumentation field.
- Instrument Transformers - Application Guide - A general application guide that covers most areas of electrical current monitoring using current and voltage transformers.
- Ohms Law - Illustration of formulas using DC and AC circuit analysis.
- Calculating Ratio Errors - A technical discussion that describes some basic theory concerning current transformers and the sources of measurement error.
- Standard US Voltages - Commonly used voltages in United States
- Text References - Listing of books, standards, articles related to electrical current and power monitoring.
- World HZ - A listing of voltage, frequencies and types of power used in different countries around the world.
