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10 Cards in this Set
- Front
- Back
If a failure of main power could cause hazards or loss of critical data the system requires a |
UPS |
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The use of a resistor in series with a load is common means of providing his simple blank power supply |
Dc to Dc |
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If a transformer primary has 20 turns and the secondary has 10 the voltage across the primary is blank the voltage across the secondary |
Twice |
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The part of an AC to AC power supply that converts only AC voltage to pulsating DC voltage is the |
Rectifier |
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In a typical AC to AC power supply the output from the rectifier is the input to the |
Filter |
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Transformers in opto couplers are used in oscillator driven inverter power supplies to provide |
Feedback |
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The power conditioner that adjust output voltage to compensate for load changes is the |
Voltage Regulator |
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Where should a voltage divider be connected if voltage regulation is critical |
Between the filter and voltage regulators |
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Different transformers are required for 50 and 60 HZ applications of blank power supplies |
Ferroresonant |
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The green wire in a power cord is |
A safety ground connection |
