Magnetron reactor capable of adjusting starting point
A magnetically controlled reactor and type-adjusting technology, which is applied in the direction of variable inductors, inductors, variable transformers, etc., can solve problems such as accidents and system failures, and achieve the effect of avoiding system failures
Active Publication Date: 2013-10-30
HEBEI XUHUI ELECTRIC
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Problems solved by technology
However, in order to ensure the normal operation of the power line, the reactor still needs to supplement a certain capacity. At this time, the reactor does not have any capacity to compensate, which will inevitably cause accidents and cause the system to fail to operate normally.
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[0017] Below in conjunction with accompanying drawing, the present invention is described in further detail:
[0018] The topological diagram of the adjustable starting point magnetron reactor is as follows: figure 1 shown. It includes symmetrically arranged iron core columns and windings wound on the iron core columns; there are two iron core columns, which are iron core columns I1 and iron core columns II2 arranged side by side.
[0019] There are four windings, which are symmetrically wound on the iron core column I and the iron core column II respectively, and taps are arranged on the windings. Among them: the winding I11 and the winding II12 are wound up and down side by side on the core column I, the tap K11 of the winding I and the tap K12 of the winding II are connected in series with the thyristor K, and the anode of the thyristor K is connected to the tap of the winding I K11, the cathode of the thyristor K is connected to the tap K12 of the winding II; the winding...
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The invention discloses a magnetron reactor capable of adjusting a starting point. The reactor comprises two core limbs arranged in symmetry and four windings with taps, and the four windings wind themselves round the core limbs. The two core limbs are arranged in parallel after intersectional series connection. A silicon controlled thyristor K is in series connection between taps of two windings of one core limb. A diode D2 which is in an opposite direction of the silicon controlled thyristor K is in series connection between taps of two windings of the other one core limb. The magnetron reactor in the invention can adjust a starting point, a problem that a starting point of a magnetron reactor is close to zero and can not be adjusted is solved, and a condition that a power system still needs certain capacity of reactive power compensation when a control device of the magnetron reactor breaks down or is out of operation is satisfied.
Description
technical field [0001] The invention relates to a magnetron reactor applied to the field of reactive power compensation in electric power systems. Background technique [0002] At present, reactors used to compensate system reactive power in the field of power systems are divided into fixed reactors and adjustable reactors. Adjustable reactors include TCR and MCR reactors. The output capacity of the fixed reactor is non-adjustable and cannot track the change of system compensation requirements. It is an inevitable trend to be replaced by an adjustable reactor in most applications. However, the starting point of the current adjustable reactor capacity is adjusted from zero until the adjustment of the capacity is 100%. The adjustment of the reactor capacity is adjusted through the control device. Once the control device fails, the reactor is equivalent to An ordinary transformer running without load has a very small no-load current, and the capacity of the reactor is approxi...
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IPC IPC(8): H02J3/18H02H7/04H01F29/02H01F27/30
CPCY02E40/30
Inventor 李瑞桂张加玉吴洪伟王苏任君超王晓璞于云霞
Owner HEBEI XUHUI ELECTRIC