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MIL-STD-704 Guides Avionics Power Testing & Solutions

Posted by AMETEK Customer Service on May 24, 2018 2:03:04 PM

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Topics: AC Power Sources, Compliance Testing

Asterion Series Helps Reduce Total Cost of Ownership

Posted by Grady Keeton on Jan 4, 2018 10:01:29 AM

 

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Topics: AC Power Sources, Compliance Testing, DC Power-Supplies, Electronic Loads, Uninterruptible Power Supplies, Programmable Power, Programmable Power Solutions, Solar Testing, total cost of ownership

How To Choose The Right Rack-Mount Power Supplies

Posted by Bill Martin on Jan 2, 2018 10:07:36 AM

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Topics: AC Power Sources, DC Power-Supplies, Rack mount

Easily Program Transients with the Asterion Series

Posted by Grady Keeton on Dec 4, 2017 1:26:01 PM

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Topics: AC Power Sources, transients

Asterion makes harmonic analysis easy

Posted by Grady Keeton on Sep 25, 2017 3:07:47 PM

Power systems operate at frequencies of 50 or 60Hz, but some devices, including personal computers, printers, and some industrial equipment, present a non-linear load and create currents and voltages with frequencies at harmonic frequencies. These harmonics get fed back into the power system and can cause other devices connected to the power source to malfunction. There are several standards that specify the level of harmonics that a particular device can produce.

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Topics: AC Power Sources, harmonic analysis

Minimize noise from power supplies when making low-level measurements

Posted by Bill Martin on Aug 1, 2017 10:22:37 AM

Low-level measurements are susceptible to noise from a number of different sources. While discussing all the ways that noise can degrade low-level measurements is outside the scope of this article, let's at least consider how to make sure that your test system power supply is not a problem:

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Topics: AC Power Sources, DC Power-Supplies

Get the Rev Right When Running MIL-STD-704 Test

Posted by Grady Keeton on Jul 25, 2017 4:46:16 PM

As noted in an earlier blog post, the tests you run to ensure that airborne utilization equipment is compatible with an aircraft's power system are specified in a series of MIL-HDBKs, specifically MIL-HDBK-704-1 through MIL-HDBK-704-8. To run these tests, a sophisticated power source is essential to simulate various power conditions. In addition, you also need whatever equipment is required to monitor the unit under test (UUT) while running the test.

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Topics: AC Power Sources

RS Series high-voltage option eases PV inverter testing

Posted by Grady Keeton on Jul 14, 2017 11:02:33 AM

As the number of photovoltaic power-generation systems continue to increase, the requirements for photovoltaic inverters are evolving as well. Conventional electrical characteristics such as over-voltage, over-frequency, anti- islanding intended to verify the inverter’s ability to tolerate power grid fluctuation are changing to meet varying requirements of the modern grid. In addition, the introduction of new requirements for low voltage ride through, high voltage crossing, and reactive power injection mean the inverter must be able to provide appropriate compensation when these grid conditions occur.

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Topics: AC Power Sources, RS Series

Choose the Right Gauge Wire Size for Your Application

Posted by Bill Martin on Jun 8, 2017 3:26:21 PM

When installing an AMETEK Programmable Power power source, you must properly size the wires you use to connect the AC input power to the power source and the AC or DC output to the load. Selecting the right size gauge wire will ensure that your power source will operate efficiently and reliably.

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Topics: AC Power Sources, DC Power-Supplies, Gauge wire, Gauge wire size

Ensure Avionics Reliability with MIL-STD-704 Tests

Posted by Grady Keeton on Jun 8, 2017 3:20:50 PM

To ensure that aircraft electronics and other electrically-powered equipment will operate reliably once in the air, you must test them under extreme power conditions. In the military world, MIL-STD-704 (now up to rev. F), “Aircraft Electric Power Characteristics,” establishes the requirements and characteristics of aircraft electric power. This standard is not only used by the U.S. military and military contractors, but has also been adopted, either directly or indirectly, worldwide. For example, the Chinese standard, GJB 181, Characteristics of aircraft electrical power supplies and requirements for utilization equipment, is largely based on MIL-STD-704.

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Topics: AC Power Sources, mil-std-704

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