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 Darrah Electric Company provides resources to help troubleshoot D.C. Power Supplies.

If you would like additional information or if you would like to talk to someone please feel free to call or email us directly.

Ed McKinley - D.C. Power Supplies
Phone: 216.631.9938


Top Resource Center Categories

Darrah's 3 Phase SCR Control Circuit Board
General Information and Troubleshooting for Darrah's 3 Phase SCR Control Circuit Board.
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Darrah's Current & Voltage Regulator Circuit
Darrah Electric Company's Automatic Constant Current and Voltage Regulator Circuit.
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Humidity Prevention for Rectifiers
Humidity is the number one killer of air cooled rectifiers.
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Testing & Identifying SCR's
Explanations on testing and identifying silicon controlled rectifiers (SCR's).
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Testing & Identifying Silicon Diodes
Explanations on testing, identifying & purchasing silicon diodes.
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Troubleshooting DC Power Supplies
Basic troubleshooting for D.C. Power Supplies
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Understanding Ripple
Ripple is the AC component that rides on the DC output of rectifier.
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