Category Archives: Transformers

Magnelab’s New UL-Listed CTs Put to the Test

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We tested the performance of Magnelab’s new UL-Listed split-core current transformers. Here are the results.


How Rogowski Coils Work

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Learn the basics of how Rogowski coils operate and how they compare to traditional CTs.


DC Voltage Output CT Comparison

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Let’s compare the Magnelab DCT series and the Sentran Corp 4DS series DC voltage output current transformers.


Regular to Revenue Grade Current Transformers: The difference is in the dollars

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Typically, current transformers are available in two accuracy classes: standard (or regular) CTs, as well as revenue grade CTs. What accounts for the difference?


Wireless CTs Connected to Measurlogic’s Modbus TCP Meter

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Here is a short video showing Magnelab’s wireless CTs hooked up to Measurlogic’s DTS-310 Modbus TCP meter.


UL Listed Current Transformers Now Available

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Aim Dynamics has partnered with Sentran to supply a new line of UL Listed current transformers.


New Rogowski Coil Videos Available

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This video shows the effects of wrapping a Rogowski coil multiple times around a conductor.


Increasing the Output of a Rogowski Coil without an Integrator

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Because the output of Rogowski coils is low, an integrator is need to amplify the signal to something more usable.


Current Transformer Basics: What You Need To Know About Current Transformers

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Current transformers are used to reduce a high voltage current into a much smaller current that can be easily monitored.


Monitoring the Alt Energy Revolution

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With the negative effects of climate change—stronger storms, colder winters, hotter summers—becoming more and more visible, the utilization of renewable energy sources is becoming more and more commonplace. In Germany, for example, solar energy has become one of the top sources of electricity in the country. Besides the greater emphasis on using renewable energy sources, […]


Don’t Open-Circuit a CT’s Secondary Winding

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When measuring or monitoring the amount of current passing through a transmission line, an ammeter—a device that measures electric currents—is connected to the primary conductor (transmission line) via a current transformer (CT). A CT reduces the amount of current flowing through the primary conductor to protect the measuring instrument. The CT, in turn, is connected […]


How a Current Transformer Transforms Electricity

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You’ve probably seen one of those hollow circular devices that enclose transmission lines and are connected by smaller wires to an electrical measuring device, particularly an ammeter. This device, known as a current transformer or current sensor, protects ammeters from power overload by reducing dangerous amounts of current flowing through a power line to more […]


Things to Look for in a DC Current Transducer

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Transducers work by measuring energy (usually electrical) found in a system, and converting this into another energy form, such as sound. In many applications, several transducers are needed to achieve the desired results. For example, in ultrasound imaging, a transducer converts electrical energy into ultrasound or high energy sound waves, which are then focused on […]


Why Your Company Needs Accurate Power Monitoring

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The power usage of major businesses is often high and the accompanying expense is equally astronomical. Having accurate data on how much electricity is consumed can give you ideas on how to create opportunities for savings. Here’s just a few examples of how power monitoring systems can help improve a company’s bottom line:


Considerations when Selecting a Current Sensor

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Everything that you need to think about before buying a current sensor.


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