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A Saturated Reactor with Simple Structure

A technology with simple structure and reactors, applied in the field of saturated reactors, can solve problems such as complex manufacturing process, difficult design and coordination of saturated reactor performance and price, complex structure of saturated reactors, etc., and achieve simple manufacturing process and convenient optimization The effect of simple design and structure

Inactive Publication Date: 2017-02-15
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing saturable reactor has a complicated structure and a complicated manufacturing process
The contradiction between the performance and price of the saturated reactor is not easy to design and coordinate

Method used

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  • A Saturated Reactor with Simple Structure

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0026] The structure and connection method of a saturable reactor with simple structure are as follows: figure 1 shown. Including saturable reactor terminal I1, saturated reactor terminal II2, saturable reactor closed-loop iron core 3, control circuit 4. The closed-loop iron core 3 of the saturable reactor has at least two iron core columns with equal cross-sectional areas and coils; each of the two iron core columns can at least form a magnetic flux closed loop that does not pass through the opposite iron core column. There is a coil L1 on one of the iron core columns, and a coil L2 on the other iron core column; the number of turns of the coil L1 and the coil L2 is equal.

[0027] The closed-loop iron core 3 may be two closed-loop iron cores that have no passages to each other, for example 1: two square-shaped iron cores. It can also be an integrat...

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Abstract

A saturable reactor having a simple structure comprises a closed-loop iron core (3). Coils L1 and L2 are respectively disposed on two iron core limbs of the closed-loop iron core, and the quantities of the turns per coil are the same. Dotted terminals of the coils in the two iron core limbs are connected to a terminal I (1), and resistors R1 and R2 are respectively connected between non-dotted terminals of the coils in the two iron core limbs and a terminal II (2), and the resistance values of the resistors are the same. One resistor R1 is connected in parallel to a positive thyristor D1, and the other resistor R2 is connected in parallel to a reverse thyristor D2. The control end of each thyristor is connected to a control circuit (4). The control circuit controls the size of a triggering angle of each thyristor, so that the reactive value of the saturable reactor can be continuously adjusted.

Description

technical field [0001] The invention relates to the technical field of power transmission and transformation in power systems, in particular to a saturated reactor with a simple structure. Background technique [0002] Reactors are widely used in power systems. The series reactor can limit the short-circuit current; the shunt reactor can limit the overvoltage; the combination of the reactor and the capacitor can form a filter circuit. In some application fields, the reactance value of the reactor is fixed; in some application fields, the reactance value of the reactor should be adjusted continuously with the change of the power system operation mode. The controllable saturable reactor (also called: saturable reactor, magnetron reactor) whose reactance value can be adjusted continuously is an important research topic. [0003] The saturable reactor uses the saturation characteristics of the closed-loop iron core of the saturable reactor to change the reactance value of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F29/00H01F27/24H01F27/40H02P13/00
CPCH01F29/00H02P13/00
Inventor 李晓明
Owner SHANDONG UNIV
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