Electrical and Electronics Reference Materials
Reference Articles 3201 - 3233 of 3233
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Selecting Harmonics Transformers vs. K-Factor
From: Exponential PowerDescription: The first signs of the incompatibility between conventional building power distribution systems and personal computers became obvious in the mid-1980s as more and more personal computers appeared in ...
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UPS-Genset Compatibility
From: Exponential PowerDescription: UPSs (Uninterruptible Power Supply) and generator sets are frequently combined to supply continuous power to sensitive applications such as computers, telecommunication centres, industrial processes, ...
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Reducing Utility Demand Charges
From: Exponential PowerDescription: This is a brief explanation of an important subject matter. If you want to know more about changes you can make that can save you money on your electric bills, get in touch with your electric utility ...
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UPS Planning for Power
From: Exponential PowerDescription: Along with the explosive growth in data-processing equipment over the last decade has come an unyielding demand for high-quality, continuous electrical power. Often, institutional and commercial ...
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US Department of Labor, OSHA Standards for Powered Industrial Truck Batteries
From: Exponential PowerDescription: Powered industrial trucks. - 1910.178 ...
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Current-Sense Transformer Application Design Guidelines
From: Datatronics™Description: The standard for precise current measurement in instrumentation and other high reliability equipment applications has been the current sense transformer. They are accurate, easy to implement, and ...
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Polycarbonate Enclosures 101: A Guide for Specifiers
From: Integra Enclosures, Inc.Description: When many in our industry think about electrical enclosures, they think of traditional materials such as carbon steel or stainless steel. That's understandable as these materials continue to dominate ...
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Power Supply Designers Turn to Magnetics Designers for Solutions
From: Premier Magnetics, Inc.Description: In many applications the power supply is the last element to be designed in, a task that often falls on the shoulders of engineers with considerable skills but without much experience in the ...
- White Paper: The Significance of the Intertek ETL Semko Label for the Corrosion Performance of Coated Rigid Metal Conduit
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Design Considerations in Building Shielded Enclosures: Reprinted with Permission from COTS Journal
Description: As electronic systems become more complex, the need to protect against unwanted electromagnetic interference (EMI) becomes more urgent. Components generating high amounts of electromagnetic radiation ...
- Active Barrier and Power Supply
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Bad Cable or Bad Test Fixture?
From: Cirris Systems Corp.Description: A common testing problem is determining whether a reported failure is truly a problem with the Device-Under-Test or a problem with the test interface. Test connectors wear out with repeated usage, ...
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Cable Testing Glossary
From: Cirris Systems Corp.Description: The continuous electrical path between 2 or more points wherein current flows. This path has low resistance, usually less than 5 ohms. The path is constructed with metal parts, such as copper wire, ...
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Causes of Bad Connections
From: Cirris Systems Corp.Description: Bad connections caused by... ...
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Guidelines for Setting Resistance Testing Thresholds
From: Cirris Systems Corp.Description: Cable testers measure the resistance between all test points to determine if there are, or are not, connections. Cable testers are used to ensure that cable assemblies do not have OPENS or SHORTS. ...
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Twisted Pair Testing
From: Cirris Systems Corp.Description: Twisted pairs can be a hassle to build and test but they are necessary in some cables and harnesses. Testing twisted pairs may be confusing at times, but there are tricks to use that will help you ...
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Understanding 2-Wire and 4-Wire Resistance Measurements
From: Cirris Systems Corp.
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Using Voltage to Detect Insulation Defects
From: Cirris Systems Corp.Description: Here are some guidelines for using voltage to find insulation problems ...
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Measuring Transformer Distributed Capacitance
From: Datatronics™Description: This article is a general discussion of distributed capacitance, Cd, in transformers with emphasis on measurement. We will discuss how capacitance occurs, references to formula for calculating, how ...
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Fiber Optic Rotary Joints
From: Princetel, Inc.
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Switch Mode Power Supplies and their Magnetics
From: Datatronics™Description: In today's day and age the most often used topology for electronic power supplies is that of the Switch Mode Power Supply (SMPS), which is a major user of magnetics. In some applications the "older ...
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Temperature Specmanship and Selecting Power Inductors
From: Datatronics™Description: How many datasheets have we, as engineers, reviewed and all of the data we need is there? Well, if your experiences are like mine, very few times if at all. And to compound the problem the data listed ...
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Magnetic Component Alternate Sourcing Strategies
From: Datatronics™Description: Due to the complexities of circuit design and the highly customizable nature of magnetic components, such as transformers and inductors, they are often overlooked by OEMs when it comes to alternate or ...
- Hitachi Solves an AM Radio Interference Problem
- Pump Up Some Savings with Hitachi Variable Frequency Drives
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Design Guidelines - Thick Film Resistors and Patterned Substrates
Description: Guidelines apply to both Al2O3 and ALN (Aluminum Nitride) substrates unless otherwise noted. Dimensions are in inches unless otherwise stated. The above are guidelines only and not to be construed as ...
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Isolation Transformer to Perform Line Leakage or Functional Run Tests
From: Ikonix USADescription: Associated Research strongly recommends the use of an isolation transformer or isolated power source for powering up the Device Under Test (DUT) when performing the Line Leakage or Functional Run ...
- Lead Attachment Techniques
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Power Handling of AIN vs. Al203
Description: Thermal conductivity of a ceramic substrate is an important element when considering the differences between AlN (aluminum nitride) and Al2O3 (alumina). A brief explanation and basic equations follow. ...
- The Leading Edge of Obsolence: The Selenium Suppressor
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Tips For Selecting Relays
From: Magnecraft
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Transformers Technical Notes
From: Avel Lindberg, Inc.
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What Makes a Magnetic Circuit Breaker Trip
Description: A circuit breaker is an electrical switch that automatically opens a circuit when certain electrical conditions are met. In general, circuit breakers open (trip) when the electrical current through a ...