CN204707042U - Single-phase and three phase full bridge AC chopping height becomes compensation AC voltage regulator - Google Patents

Abstract

Single-phase and three phase full bridge AC chopping height becomes compensation AC voltage regulator, it is by high frequency compensation 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, S2 is made up of 2 diodes and 2 triodes, bidirectional electronic switch S3, S4 is bidirectional thyristor, by S1 master control, S2 afterflow and S4 commutation form the AC chopping voltage that 1 homophase exports, by S2 master control, the AC chopping voltage of S1 afterflow and another 1 the anti-phase output of S3 commutation composition, homophase reaches AC voltage-stabilizing with the anti-phase chopping voltage that exchanges by high frequency compensation transformer and inductance capacitor filter circuit compensation alternating voltage.Compared with the half-bridge AC chopping regulating compensation alternating current steady voltage plug that it and same people invent, 2 bidirectional electronic switch substitute paraphase power frequency autotransformer, high frequency compensation transformer substitutes power frequency compensator transformer, have significantly energy-conservation, material-saving, volume are little and lightweight advantage.

Description

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

[one] technical field the present invention relates to the AC voltage regulator that AC chopping regulates bucking voltage, relates to the AC voltage regulator using full-bridge AC chopping bidirectional pressure regulating circuit and high frequency transformer bucking voltage.

[two] alternating current steady voltage plug of background technology high frequency compensation transformer bucking voltage there is Yong Copper material and steel material few, the bridge-type AC chopping bidirectional pressure regulating circuit (application number 201510173812,0) that same inventor invents this year and friendship bridge-type copped wave bidirectional pressure regulating circuit (201510173813.5) are for the AC voltage regulator of the high frequency transformer bucking voltage manufacturing and designing AC chopping pressure regulation of new generation provides technical support.

[three] two applications for a patent for invention that summary of the invention the object of the invention is to use same inventor to invent manufacture and design the AC voltage regulator by high frequency transformer bucking voltage.

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

The three phase full bridge AC chopping height of the design becomes compensation AC voltage regulator, comprise 3 above-mentioned single-phase full bridge AC chopping height to become and compensate AC voltage regulator, single-phase full bridge AC chopping height 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 height becomes compensation AC voltage regulator main circuit.Accompanying drawing 2 is that three phase full bridge AC chopping height becomes compensation AC voltage regulator main circuit.

[five] the single-phase full bridge AC chopping height of embodiment accompanying drawing 1 becomes compensation AC voltage regulator, forms by S1 master control, S2 afterflow, S4 paraphase the AC chopping voltage that 1 homophase exports.The AC chopping voltage of another 1 anti-phase output is made up of S2 master control, S1 afterflow and S3 commutation.Homophase is connected with high frequency compensation transformer T armature winding W1 with anti-phase output 2 end (0,4) AC chopping voltage U 04, the AC chopping voltage of positive and negative 2 aspects that secondary winding W2 responds to is connected with input ac power U12, after LC filtering, just can realize the compensation of positive and negative 2 aspect voltages, obtain AC voltage-stabilizing at output 2 end (1,3).

Accompanying drawing 2 is become by the single-phase full bridge AC chopping height 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, paraphase power frequency autotransformer is substituted with 2 bidirectional electronic switch, power frequency compensator transformer is substituted with high frequency compensation transformer, therefore, have significantly energy-conservation, material-saving, volume are little and lightweight advantage.

Claims (2)

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

2. three phase full bridge AC chopping height becomes compensation AC voltage regulator, comprise 3 single-phase full bridge AC chopping height according to claim 1 and become compensation AC voltage regulator, it is characterized in that: the single-phase full bridge AC chopping height 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.