FIELD: electrical engineering; stepless variation of inductive reactance. SUBSTANCE: variable reactor has control winding in the form of several independent coils of high leakage inductance, each coil incorporating its own switch. Control-winding coils are arranged outside of main winding to increase leakage inductance. This effect may be also obtained by connecting coils of current-limiting reactors in series with switches. These reactors are shorted out by additional switches which extends control range of main-winding current. EFFECT: increased leakage inductance, extended control range of reactor main-winding current. 4 cl, 4 dwg
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