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Grid DC-BANK control module

A control module and anti-sway technology, which is applied in the direction of electrical components, electronic switches, circuit devices, etc., and can solve the problems of frequent conduction of thyristors

Active Publication Date: 2013-04-03
CSMC TECH FAB2 CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0007] In the control module of the anti-shaking power system of the above-mentioned power grid, the voltage difference adjusting resistor R is connected between the 2nd and 4th pins of the DC voltage difference electronic switch, which can effectively increase the jumper voltage of the DC voltage difference electronic switch, thereby solving the problem of frequent conduction of the thyristor. problem, improving the life of the thyristor

Method used

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Embodiment Construction

[0010] Such as figure 1 Shown is a DC-BANK control module of an embodiment. The DC-BANK control module includes a DC differential voltage electronic switch 100 and a thyristor 200, and the DC differential voltage electronic switch 100 and the thyristor 200 are electrically connected. Among them, the DC differential voltage electronic switch 100 has 8 pins 1 to 8, pins 1 to 5 are differential pressure control pins, the thyristor 200 has an anode A, a cathode K and a gate G, and the thyristor 200 has a cathode K, a gate G and an anode A is respectively connected to pins 6, 7, and 8 of the DC differential voltage electronic switch 100 . A pressure difference adjusting resistor R is connected between pins 2 and 4 of the DC differential voltage electronic switch 100 .

[0011] Such as figure 2 Shown is the internal circuit diagram of the DC differential voltage electronic switch 100 of this embodiment. The DC voltage differential electronic switch 100 includes: a resistor R1 c...

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Abstract

The invention discloses a grid DC-BANK control module which comprises a direct-current differential pressure electronic switch and a thyristor, wherein the direct-current differential pressure electronic switch and the thyristor are electrically connected with each other, the direct-current differential pressure electronic switch is provided with differential-pressure adjusting pins 1-5, the negative pole, gate pole and positive pole of the thyristor are respectively connected with the pins 6, 7 and 8 of the direct-current differential pressure electronic switch, and a differential-pressure adjusting resistor is connected between the pins 2 and 4 of the direct-current differential pressure electronic switch. The grid DC-BANK control module can effectively increase the jumper voltage of the direct-current differential pressure electronic switch, thereby solving the frequent conduction problem of the thyristor, and prolonging the service life of the thyristor. Meanwhile, the load startup is not required to be controlled manually, thereby saving time and labor.

Description

【Technical field】 [0001] The invention relates to a power grid anti-shake system (DC-BANK), in particular to a control module of the power grid anti-shake system. 【Background technique】 [0002] In the DC-BANK system, the DC voltage differential electronic switch is used to control the on-off of the thyristor connected to it, so as to achieve fast switching between the main power supply and the backup power supply. [0003] In the DC-BANK system where the inverter is used as the load, the bus voltage of the inverter will be lower than the normal operating voltage when the load is started, which will cause the frequent conduction of the thyristors that do not belong to the switching between the main and standby power supplies, and shorten the use of the thyristors. life. [0004] The traditional solution is to manually control the load start to avoid high loads from lowering the bus voltage of the inverter. However, this method is time-consuming and labor-intensive, and the ...

Claims

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Application Information

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IPC IPC(8): H02J9/06H03K17/785
Inventor 徐辉
Owner CSMC TECH FAB2 CO LTD
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