阅读说明：本技术 一种发电隔离电路 (Power generation isolation circuit ) 是由 胡小舟 吴国平 邢明亮 于 2020-07-17 设计创作，主要内容包括：本发明公开一种发电隔离电路,包括三相桥式整流模块、电感T2、三极管Q1、三极管Q2、隔离变压器T1；380V经三相桥式整流模块输入,三相桥式整流模块的共阴极端输出至电感器T2,电感器T2输出至隔离变压器T1主线圈的中心点,隔离变压器T1主线圈两侧分别与三极管Q1、三极管Q2的集电极相连,三极管Q1、三极管Q2的发射极均与三相桥式整流模块的共阳极端相连,隔离变压器T1的副线圈两侧与中心点之间并联有滤波电容C1、滤波电容C2。本电路结构简单,通过设置隔离输出,更安全,更可靠,隔离输出电压是稳定380V。(The invention discloses a power generation isolation circuit which comprises a three-phase bridge rectifier module, an inductor T2, a triode Q1, a triode Q2 and an isolation transformer T1, wherein the three-phase bridge rectifier module is connected with the inductor T2; 380V is input through the three-phase bridge rectifier module, the common cathode end of the three-phase bridge rectifier module is output to an inductor T2, an inductor T2 is output to the central point of a main coil of an isolation transformer T1, two sides of the main coil of the isolation transformer T1 are respectively connected with collectors of a triode Q1 and a triode Q2, emitters of the triode Q1 and the triode Q2 are respectively connected with the common anode end of the three-phase bridge rectifier module, and a filter capacitor C1 and a filter capacitor C2 are connected between two sides of a secondary coil of the isolation transformer T1 and the central point in parallel. This circuit structure is simple, and through setting up isolation output, safer, more reliable, isolation output voltage is 380V steadily.)

1. A power generation isolation circuit, comprising: the three-phase bridge rectifier comprises a three-phase bridge rectifier module, an inductor T2, a triode Q1, a triode Q2 and an isolation transformer T1; 380V is input through the three-phase bridge rectifier module, the common cathode end of the three-phase bridge rectifier module is output to an inductor T2, an inductor T2 is output to the central point of a main coil of an isolation transformer T1, two sides of the main coil of the isolation transformer T1 are respectively connected with collectors of a triode Q1 and a triode Q2, emitters of the triode Q1 and the triode Q2 are respectively connected with the common anode end of the three-phase bridge rectifier module, and a filter capacitor C1 and a filter capacitor C2 are connected between two sides of a secondary coil of the isolation transformer T1 and the central point in parallel.

2. The power generation isolation circuit of claim 1, wherein: the three-phase bridge rectifier module consists of high-power rectifier diodes D1, D2, D3, D4, D5 and D6, the output current is 100-500A, and the withstand voltage value is 1000V.

3. The power generation isolation circuit of claim 1, wherein: the inductance value of the inductor T2 is 2.5 MH.

4. The power generation isolation circuit of claim 1, wherein: the triode Q1 and the triode Q2 are used in the range of voltage withstanding value 1000V and current 100A-500A.

5. The power generation isolation circuit of claim 1, wherein: the power of the isolation transformer T1 is 100 KW-800 KW.

6. The power generation isolation circuit of claim 1, wherein: the capacity of the filter capacitor C1 and the capacity of the filter capacitor C2 are 0.22UF, and the withstand voltage value is 800V.

Technical Field

The invention relates to the technical field of power generation, in particular to a power generation isolation circuit.

Background

After generating electric power, the conventional generator directly provides alternating current to a load after voltage stabilization and filtering, or rectifies the alternating current into direct current through a rectifier and then outputs the direct current. In order to improve the safety of the using process, an isolating circuit needs to be added at the output end, but the existing isolating circuit is large in size, complex in structure or low in efficiency.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to provide a power generation isolation circuit which is high in safety, high in power and high in efficiency aiming at the defects of the prior art.

The technical scheme is as follows: the power generation isolation circuit comprises a three-phase bridge rectifier module, an inductor T2, a triode Q1, a triode Q2 and an isolation transformer T1; 380V is input through the three-phase bridge rectifier module, the common cathode end of the three-phase bridge rectifier module is output to an inductor T2, an inductor T2 is output to the central point of a main coil of an isolation transformer T1, two sides of the main coil of the isolation transformer T1 are respectively connected with collectors of a triode Q1 and a triode Q2, emitters of the triode Q1 and the triode Q2 are respectively connected with the common anode end of the three-phase bridge rectifier module, and a filter capacitor C1 and a filter capacitor C2 are connected between two sides of a secondary coil of the isolation transformer T1 and the central point in parallel.

Further perfecting the technical scheme, the three-phase bridge rectifier module consists of high-power rectifier diodes D1, D2, D3, D4, D5 and D6, the output current is 100A-500A, and the withstand voltage value is 1000V.

Further, the inductance value of the inductor T2 is 2.5 MH.

Furthermore, the triode Q1 and the triode Q2 have the voltage withstanding value of 1000V and the current of 100A-500A.

Furthermore, the power of the isolation transformer T1 is 100 KW-800 KW.

Furthermore, the capacity of the filter capacitor C1 and the capacity of the filter capacitor C2 are 0.22UF, and the withstand voltage value is 800V.

Has the advantages that: compared with the prior art, the invention has the advantages that: this circuit structure is simple, and through setting up isolation output, safer, more reliable, isolation output voltage is stable 380V, and triode Q1, triode Q2 are connected to isolation transformer T1 main coil, and the main coil parameter is strand wires and winds round, and the output also is strand wires and winds round, has that power is big, advantage such as efficient.

Drawings

Fig. 1 is a circuit schematic of the present invention.

Detailed Description

The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.