CN204652234U

CN204652234U - Single-phase and three phase full bridge AC chopping work becomes compensation AC voltage regulator

Info

Publication number: CN204652234U
Application number: CN201520342163.8U
Authority: CN
Inventors: 龚秋声
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-05-18
Filing date: 2015-05-18
Publication date: 2015-09-16
Anticipated expiration: 2025-05-18

Abstract

The design belongs to AC chopping regulating compensation formula AC voltage regulator, it is by power frequency compensator transformer, filter capacitor, filter inductance, bidirectional electronic switch S1 ~ S4 and adjusting control circuit composition thereof, 4 bidirectional electronic switch connect into full-bridge alternating-current chopper circuit, bidirectional electronic switch S1, S3 is made up of 2 diodes and 2 triodes, bidirectional electronic switch S2, S4 is made up of 2 unidirectional thyristors, by S1 master control, S2 afterflow and S4 commutation form the AC chopping voltage that 1 homophase exports, by S3 master control, the AC chopping voltage of S4 afterflow and another 1 the anti-phase output of S2 commutation composition, homophase reaches AC voltage-stabilizing with the anti-phase chopping voltage that exchanges by the buck/boost supplying power frequency compensator transformer compensation alternating voltage after LC filtering.Compared with the half-bridge AC chopping regulating compensation alternating current steady voltage plug that it and same inventor invent, substitute paraphase power frequency autotransformer with 2 bidirectional electronic switch, have significantly energy-conservation, material-saving, volume are little and lightweight advantage.

Description

Single-phase and three phase full bridge AC chopping work becomes compensation AC voltage regulator

[one] technical field the present invention relates to the alternating current steady voltage plug that AC chopping regulates bucking voltage, relates to the alternating current steady voltage plug using full-bridge AC chopping bidirectional pressure regulating circuit and Industrial Frequency Transformer bucking voltage.

[two] background technology domestic employing alternating-current chopper circuit regulates compensation pressurizer most power frequency compensator transformer bucking voltage that turns over a finished item of bucking voltage, and 4 bidirectional electronic switch commutations solve the problem of boosting compensation and drop compensation.After same inventor has invented half-bridge AC chopping bidirectional pressure regulating circuit, just do not need to compensate with bidirectional electronic switch commutation, but increase by 1 power frequency commutation autotransformer, for not using this autotransformer, the bridge-type AC chopping bidirectional pressure regulating circuit (application number 201510173812,0) that same inventor invents again this year and friendship bridge-type copped wave bidirectional pressure regulating circuit (201510173813.5) are for the AC voltage regulator of the Industrial Frequency Transformer bucking voltage manufacturing and designing AC chopping pressure regulation of new generation provides technical support.

[three] object of summary of the invention the design uses two applications for a patent for invention of same inventor invention to manufacture and design the AC voltage regulator using Industrial Frequency Transformer bucking voltage.

The single-phase full bridge AC chopping work of the design becomes compensation AC voltage regulator, by filter capacitor C1, C, filter inductance L, power frequency compensator transformer T, 4 bidirectional electronic switch S1 ~ S4 and control circuit composition thereof, is characterized in that: bidirectional electronic switch S1, S3 is made up of 2 diodes and 2 triodes, bidirectional electronic switch S2, S4 is made up of 2 unidirectional thyristors, the 1st ac input end (2) and filter capacitor C1 one end, power frequency compensator transformer T secondary winding W2 one end, bidirectional electronic switch S1 one end, bidirectional electronic switch S3 one end connects, the 2nd ac input end (1) and the 2nd AC voltage-stabilizing output, the filter capacitor C1 other end, bidirectional electronic switch S2 one end, bidirectional electronic switch S4 one end connects, power frequency compensator transformer T armature winding W1 one end (0) and filter capacitor C one end, the bidirectional electronic switch S1 other end, the bidirectional electronic switch S2 other end connects, the power frequency compensator transformer T armature winding W1 other end (5) and the filter capacitor C other end, filter inductance L one end connects, the filter inductance L other end (4) and the bidirectional electronic switch S3 other end, the bidirectional electronic switch S4 other end connects, and the 2nd AC voltage-stabilizing output (3) is connected with the power frequency compensator transformer T secondary winding W2 other end.

The three phase full bridge AC chopping work of the design becomes compensation AC voltage regulator, comprise 3 above-mentioned single-phase full bridge AC chopping works to become and compensate AC voltage regulator, single-phase full bridge AC chopping work described in 3 becomes compensation AC voltage regulator and connects into star, 1 is had to exchange input and AC voltage-stabilizing output public zero curve N, 3 three-phase alternating current input A1, B1, C1 and 3 three-phase alternating current output end of pressure-stabilizing A2, B2, C2, conversion bucking voltage phase place is reached by conversion bidirectional electronic switch break-make, bucking voltage size is regulated by adjustment master control bidirectional electronic switch make-to-break ratio, it can export three-phase 380V simultaneously and exchange burning voltage and have 3 of public zero curve N single-phase 220V and exchange the three-phase AC voltage stabilizer of burning voltage.

[four] appended drawings 1 is that single-phase full bridge AC chopping work becomes compensation AC voltage regulator main circuit.Accompanying drawing 2 is that three phase full bridge AC chopping work becomes compensation AC voltage regulator main circuit.

[five] the single-phase full bridge AC chopping work of embodiment accompanying drawing 1 becomes compensation AC voltage regulator, is made up of the AC chopping voltage of 1 homophase output S1 master control, S2 afterflow and S4 commutation.The AC chopping voltage of another 1 anti-phase output is made up of S3 master control, S4 afterflow and S2 commutation.Homophase and anti-phase output 2 end (0,4) AC chopping voltage U 04, AC compensation voltage U 05 through filtered 2 ends of LC (0,5) is connected with high frequency compensation transformer T armature winding W1, the AC compensation voltage of positive and negative 2 aspects that secondary winding W2 responds to is connected with input ac power U12, obtains exchange burning voltage at output 2 end (1,3).

Accompanying drawing 2 is become by the single-phase full bridge AC chopping work shown in 3 accompanying drawings 1 to compensate AC voltage regulator Y-connection, it has 1 to exchange input and AC voltage-stabilizing exports public zero curve N, 3 three-phase alternating current input A1, B1, C1 and 3 three-phase alternating current output end of pressure-stabilizing A2, B2, C2, conversion bucking voltage phase place is reached by conversion bidirectional electronic switch break-make, regulate bucking voltage size by adjustment master control bidirectional electronic switch make-to-break ratio, it can export three-phase 380V simultaneously and exchange burning voltage and have 3 of public zero curve N single-phase 220V and exchange the three-phase AC voltage stabilizer of burning voltage.

The half-bridge AC chopping power frequency that the design and same inventor invent compensates compared with AC voltage regulator, substitutes paraphase power frequency autotransformer with 2 bidirectional electronic switch, therefore, have significantly energy-conservation, material-saving, volume are little and lightweight advantage.

Claims

1. single-phase full bridge AC chopping work becomes compensation AC voltage regulator, by filter capacitor C1, C, filter inductance L, power frequency compensator transformer T, 4 bidirectional electronic switch S1 ~ S4 and control circuit composition thereof, is characterized in that: bidirectional electronic switch S1, S3 is made up of 2 diodes and 2 triodes, bidirectional electronic switch S2, S4 is made up of 2 unidirectional thyristors, the 1st ac input end (2) and filter capacitor C1 one end, power frequency compensator transformer T secondary winding W2 one end, bidirectional electronic switch S1 one end, bidirectional electronic switch S3 one end connects, the 2nd ac input end (1) and the 2nd AC voltage-stabilizing output, the filter capacitor C1 other end, bidirectional electronic switch S2 one end, bidirectional electronic switch S4 one end connects, power frequency compensator transformer T armature winding W1 one end (0) and filter capacitor C one end, the bidirectional electronic switch S1 other end, the bidirectional electronic switch S2 other end connects, the power frequency compensator transformer T armature winding W1 other end (5) and the filter capacitor C other end, filter inductance L one end connects, the filter inductance L other end (4) and the bidirectional electronic switch S3 other end, the bidirectional electronic switch S4 other end connects, and the 2nd AC voltage-stabilizing output (3) is connected with the power frequency compensator transformer T secondary winding W2 other end.

2. three phase full bridge AC chopping work becomes compensation AC voltage regulator, comprise 3 single-phase full bridge AC chopping works according to claim 1 and become compensation AC voltage regulator, it is characterized in that: the single-phase full bridge AC chopping work described in 3 becomes compensation AC voltage regulator and connects into star, 1 is had to exchange input and AC voltage-stabilizing output public zero curve N, 3 three-phase alternating current input A1, B1, C1 and 3 three-phase alternating current output end of pressure-stabilizing A2, B2, C2, conversion bucking voltage phase place is reached by conversion bidirectional electronic switch break-make, bucking voltage size is regulated by adjustment master control bidirectional electronic switch make-to-break ratio, it can export three-phase 380V simultaneously and exchange burning voltage and have 3 of public zero curve N single-phase 220V and exchange the three-phase AC voltage stabilizer of burning voltage.