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Ternary digital compensation type AC regulated power supply

A technology of AC voltage stabilization and AC power supply, which is applied in the direction of regulating electrical variables, control/regulating systems, instruments, etc., and can solve the problems of underutilization of compensation transformers.

Inactive Publication Date: 2007-10-24
曾旭华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Obviously, the compensation transformer in the current digitally compensated AC voltage stabilizer has not been fully utilized

Method used

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  • Ternary digital compensation type AC regulated power supply
  • Ternary digital compensation type AC regulated power supply
  • Ternary digital compensation type AC regulated power supply

Examples

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Embodiment Construction

[0046] The implementation example of the ternary digital compensation type AC stabilized voltage power supply of the present invention will be described in detail below with reference to the accompanying drawings.

[0047] Fig. 1 is a block diagram illustrating the overall structure of an AC stabilized power supply of the present invention.

[0048] Referring to Figure 1, a voltage regulator is composed of n three-value voltage regulating circuits (1~n). The three-value voltage regulating circuit is named according to the number +1 of the turn ratio multiplier index of the transformer, and is divided into 1 bit and 2 bit , 3 digits, ..., n digits. The output terminals of all three-value voltage regulating circuits are connected in series and then connected to the input terminal (Vin) and output terminal (Vout), while their power supply input terminals (V1, V2) are respectively connected to the output terminal (Vout) of the power supply. And common end (0V), its trigger input ...

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Abstract

As aforementioned n ternary voltage regulating circuits are arranged, as (1-n), wherein the turns ratio between the secondary and the first of the first transformer (B) is K, while the second is 31K, the third is 32K, as like, the n-th is 3n-1K, and the switch (Q1-Q4) only closes one group of (Q1, Q3), (Q1, Q2), or (Q3, Q4), (Q2, Q4). Therefore, a voltage regulator with n bits of ternary digit alternative-current stabilizer is provided. Assuming the values of m-th digit signal is Sm-1, the regulating input voltage is Vout, therefore, the output voltage Vs of the regulator is Vs=VoutK(10S0+31S1+32S2+...+3n-1Sn-1)(Sm-1=-1, 0, +1).

Description

Technical field [0001] The invention relates to an AC voltage stabilized power supply device technical background [0002] At present, the digital compensation type AC voltage regulator is a relatively new type in the known compensation type. Figure (19) is a schematic diagram of the main functions of a four-digit digital compensation AC stabilized power supply. In the figure, the transformers B1, B2, B3, and B4 constitute a compensation group, and they all have only two sets of coils, and the turns ratio is set according to the multiples of 1, 2, 4, and 8 of the turns ratio K of B1. The two ends of the secondary coils of the four transformers are connected in series between the input and output of the regulated power supply, and their primary ends are connected to one end without a dot, and then connected to two series connections. The connection of the triac strings (Q9, Q10) together (ie node CN4), the second is to connect their other ends to four pairs of bidirectional...

Claims

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Application Information

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IPC IPC(8): G05F1/14
Inventor 曾旭华
Owner 曾旭华
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