Analytical model for saturable reactor for converter valve

An analytical model, reactor technology, used in instruments, electrical digital data processing, special data processing applications, etc.
CN101930492AActive Publication Date: 2010-12-29CHINA ELECTRIC POWER RES INST +1
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
CHINA ELECTRIC POWER RES INST
Publication Date
2010-12-29

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Abstract

The invention provides an analytical model for a saturable reactor for a converter valve. The saturable reactor for the converter valve consists of a coil and an iron core; and the working state of the iron core has a linear stage and a nonlinear stage under rated operation. In order to better perform electrical design and electrical analysis on the saturable reactor, the invention provides an analytical model for the saturable reactor for the converter valve. The analytical model comprises a coil resistance, a coil inductance, a core inductance, a core resistance, a terminal capacitance and other parameters. Corresponding electrical parameters of saturable reactors with different shapes and dimensions can be calculated. The analytical model has the advantages of clear physical conception, and capacities of easily acquiring each parameter needed in the model through a real object and providing a foundation for deep analysis of the saturable reactor.
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Description

technical field

[0001] The invention relates to the field of power system devices, in particular to an analytical model of a saturated reactor for a converter valve. Background technique

[0002] The saturable reactor for DC power transmission converter valve is one of the important components to protect the thyristor in the converter valve. It consists of a core and a winding, using the saturation characteristics of the core material to obtain the saturation characteristics of electrical parameters. Since the nonlinear characteristics of the saturable reactor are related to the material of the iron core, and the operating point of the iron core is related to the opening current of the thyristor in the converter valve where it is located, the premise of its electrical design and electrical characteristic analysis must be based on the reasonable electrical characteristics of the saturable reactor. Model.

[0003] The structures of existing saturable reactors are mainly divi...

Claims

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