A self power-acquiring quickly responsivecontrollable electric reactor is provided. The coil of themain body portion (1) of the controllable electric reactorcontains a net-side winding (5) and a control winding (6).The coil of the main body portion (1) further contains athird winding (7). The third winding (7), the controlwinding (6), and the net-side winding (5) are set on amagnetic core pole of the main body portion (1) from insideto outside. The net-side winding (5) has power-acquiringtaps, which connect with the primary coil of therectifying transformer in a rectifying-filtering unit (2). Theoutput terminals of the rectifying-filtering unit (2) connectwith the control winding (6). A quick switch (K) is in parallelwith the third winding (7). The on/off state of thequick switch (K) is controlled by the command signalstransmitted by the control unit (4) in the controllable electric reactor.
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