{"id":3344,"date":"2020-01-23T13:52:16","date_gmt":"2020-01-23T20:52:16","guid":{"rendered":"https:\/\/www.circuitspecialists.com\/blog\/?p=3344"},"modified":"2020-01-24T12:28:48","modified_gmt":"2020-01-24T19:28:48","slug":"electronic-load-applications","status":"publish","type":"post","link":"https:\/\/www.circuitspecialists.com\/blog\/electronic-load-applications\/","title":{"rendered":"DC Programmable Electronic Loads: Versatile and automated test equipment for power discharge testing"},"content":{"rendered":"

DC Programmable Electronic Loads: What is it and how are they used?<\/p>\n

An electronic load<\/a> is a type of instrument that applies a voltage and sinks current. Also known as a DC programmable load, these AC or DC electronic loads are used by power supply, battery, solar, wind, or other manufacturers who want to thoroughly test their power sources.  Manufacturers of these products need to test their supplies dynamically, rapidly increasing and decreasing the load in a repeatable fashion in order to demonstrate compliance to quality and safety standards.  Programmable electronic loads make this type of testing much easier than configuring resistors or resistive elements for each test.  Devices must be tested for their various states of operation.  Batteries must often also be tested for hundreds or thousands of cycles to ensure longevity and to determine expected lifetime.  Electronic loads are used by car battery manufacturers, fuel-cell manufacturers, motor manufacturers, cell-phone manufacturers, solar panel manufacturers, oil & gas, and in other industries where power must be tested and they are useful to determine characteristics and providing discharge test data for engineers.  Electronic load systems are also useful for aerospace, commercial electronics, defense, and by utilities where special modes of operation are required and need to be tested.<\/p>\n

\"dc<\/p>\n

Figure 1: The ITECH DC Programmable Load pictured above offers high voltage capabilities and remote programming options. Shop all ITECH Test Equipment<\/a>.<\/p>\n

Most DC electronic loads available use on transister\/FET or an array of parallel connected transistors\/FET’S or IGBT’s in order to act as a variable resistor.  These are typically mounted onto a heat sink and cooled with fans.  The electronic load<\/a> shown above in the image, and others available from Circuit Specialists offer programmability and constant power, constant current, and constant voltage modes for greater testing flexibility.  They can also be controlled remotely via RS232 and export data for logging.  Circuit Specialists offers DC Programmable Electronic Loads from 100W all the way up to the KW range for high-power testing applications.<\/p>\n

DC loads can be used to simulate another type of load such as a DC motor.  They can be pulsed very rapidly to mimic switching on and off of a DC motor or other DC load.  They can also be used to draw small amounts of power to simulate a slow drain of a battery to some external load.<\/p>\n

Manufacturers that use an electronic load<\/a> to test their equipment prior to production will have a competitive advantage and will produce equipment that will be more precise and robust.<\/p>\n

See our offering of DC Programmable Electronic Loads<\/a> here.<\/p>\n","protected":false},"excerpt":{"rendered":"

DC Programmable Electronic Loads: What is it and how are they used? An electronic load is a type of instrument<\/p>\n","protected":false},"author":1,"featured_media":4224,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_layout":"default_layout","footnotes":""},"categories":[1,113],"tags":[],"class_list":["post-3344","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-all-posts","category-dc-electronic-load"],"yoast_head":"\nElectronic Load: A versatile tool for testing power supplies<\/title>\n<meta name=\"description\" content=\"An electronic load is a type of programmable test instrument that applies a voltage and sinks current. 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