FIELD: secondary power supplies. SUBSTANCE: voltage regulator has current transducer 1, regulating transistor 2, compound transistor 3 and protective transistor; all the members are connected in series to power network. Regulator load current is measured by differential amplifier 12 by means of measuring circuit which is formed by two voltage dividers 5 and 8 and current transducer 1 brought into the regulator. The second voltage divider 8 is connected with compensating resistor 11. As a result operation threshold of current protection doesn't depend on change in gain of regulating transistor 2. EFFECT: improved operational reliability of voltage regulator. 2 dwg
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