{"id":20167,"date":"2026-10-27T14:04:03","date_gmt":"2026-10-27T06:04:03","guid":{"rendered":"https:\/\/www.wehopower.com\/news\/programmable-ac-source-vs-ac-dc-power-supply\/"},"modified":"2026-10-27T14:14:49","modified_gmt":"2026-10-27T06:14:49","slug":"programmable-ac-source-vs-ac-dc-power-supply","status":"publish","type":"news","link":"https:\/\/www.wehopower.com\/ko\/news\/programmable-ac-source-vs-ac-dc-power-supply\/","title":{"rendered":"Programmable AC Source vs AC-DC Power Supply: Choose the Right Input-Test Equipment"},"content":{"rendered":"
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A programmable AC source, also called a programmable AC power supply, controls the AC conditions applied to equipment under test. An AC-DC power supply converts an AC input into a DC output for its load. When an OEM needs to evaluate an industrial supply across input conditions, these devices usually occupy different places in the test system.<\/p>\n

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  1. Assign the three functional roles<\/a><\/li>\n
  2. Write the input stimulus as a test requirement<\/a><\/li>\n
  3. Calculate steady watts, VA and current separately<\/a><\/li>\n
  4. Keep startup peak capability separate from continuous VA<\/a><\/li>\n
  5. Check special capabilities only when the DUT needs them<\/a><\/li>\n
  6. Give the laboratory a task-based selection brief<\/a><\/li>\n<\/ol>\n<\/details>\n

    The equipment-selection decision begins with the test stimulus: what voltage, frequency, waveform or timing must reach the supply input? An adjustable DC output on an industrial supply does not create a programmable AC input stimulus. Equally, the presence of a DC mode on a laboratory AC source does not make it the same product as the installed industrial supply.<\/p>\n

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