Explosion-proof IGCT high-power hydrogen production power supply module, hydrogen production power supply single cabinet and complete machine

Abstract

The invention discloses an explosion-proof type IGCT high-power hydrogen production power supply module, a hydrogen production power supply single cabinet and a complete machine, the module comprises an explosion-proof cavity, an IGCT device, a rectifier diode, a silicon stack separation end plate, an explosion-proof silicon stack end plate, an IGCT driving holding device, a butterfly bullet jacking device, a water cooling radiator and an insulation tensioning device, the rectifier diodes are arranged at the rear ends of the IGCT devices, the silicon stack separation end plates are arranged between the crimping sides of the IGCT devices and the crimping sides of the rectifier diodes, the water-cooled radiators are arranged on the side surfaces of the IGCT devices and the rectifier diodes, the plurality of IGCT devices are flush and fixed through the IGCT driving holding device, the explosion-proof silicon stack end plates are arranged at the two ends of the explosion-proof cavity, and the explosion-proof silicon stack end plates are arranged on the explosion-proof cavity. The insulation tensioning device is arranged in the explosion-proof cavity, the end part of the insulation tensioning device is connected with the explosion-proof silicon stack end plate, and the butterfly bomb jacking device is arranged between the rectifier diode and the explosion-proof silicon stack end plate.

Description

Technical Field

[0001] The invention belongs to the technical field of power electronics, and in particular relates to an explosion-proof IGCT high-power hydrogen production power supply module, a hydrogen production power supply single cabinet and a complete machine. Background Art

[0002] Hydrogen energy is a secondary energy source with abundant sources, green and low carbon, and wide application. It can help to absorb renewable energy on a large scale, realize large-scale peak load regulation of power grids, and cross-seasonal and cross-regional energy storage, and accelerate the low-carbon process in industries such as industry, construction, and transportation. In the field of electricity, due to the instability of renewable energy, hydrogen energy can become a new form of energy storage through the conversion of electricity-hydrogen-electricity. Among them, the power supply technology in hydrogen production is a key link in the development of hydrogen energy as a whole. Nowadays, the power required by hydrogen production equipment is getting larger and larger, and higher requirements are placed on the flexibility of its application environment. With the increase in the power required by hydrogen production equipment and the improvement in the flexibility of the application environment, hydrogen production power supply technology is also constantly developing and innovating.

[0003] The hydrogen production power sources in the existing market are divided into two categories. One is the semi-controlled or uncontrolled form with thyristors or diodes as the main power devices, and its control performance is relatively limited. The other is the fully controlled form with IGBT (Insulated Gate Bipolar Transistor) as the main power device. It has the advantages of full controllability, high efficiency and reliability, and is the mainstream choice in the current market. Among them, there are very few hydrogen production power sources with IGCT (Integrated Gate-Commutated Thyristor) as the main power device. The characteristics of IGCT high-power hydrogen production power supply are full control and high power.

[0004] Due to the special occasions of hydrogen production, in order to ensure the safe operation of hydrogen production power supply in explosive environment, higher requirements are placed on the explosion-proof performance of hydrogen production power supply. Summary of the invention

[0005] The purpose of the present invention is to overcome the problem of insufficient explosion-proof performance of existing hydrogen production power supplies, and propose an explosion-proof IGCT high-power hydrogen production power supply module, a hydrogen production power supply single cabinet and a complete machine.

[0006] In order to achieve the above object, the present invention adopts the following technical scheme: In the first aspect, the present invention provides an explosion-proof IGCT high-power hydrogen production power supply module, comprising an explosion-proof cavity, an IGCT device, a rectifier diode, a silicon stack partition end plate, an explosion-proof silicon stack end plate, an IGCT drive retaining device, a butterfly spring tightening device, a water-cooled radiator and an insulation tensioning device, wherein the IGCT device and the rectifier diode are arranged inside the explosion-proof cavity, the rectifier diode is arranged at the rear end of the IGCT device, the silicon stack partition end plate is arranged between the crimping side of the IGCT device and the crimping side of the rectifier diode, the water-cooled radiator is arranged on the side of the IGCT device and the rectifier diode, a plurality of IGCT devices are arranged, and the plurality of IGCT devices are flushly fixed by the IGCT drive retaining device, explosion-proof silicon stack end plates are installed at both ends of the explosion-proof cavity, the insulation tensioning device is arranged inside the explosion-proof cavity, the end of the insulation tensioning device is connected to the explosion-proof silicon stack end plate, and the butterfly spring tightening device is arranged between the rectifier diode and the explosion-proof silicon stack end plate.

[0007] Furthermore, the IGCT devices are arranged in a plurality of groups, and the plurality of groups of IGCT devices are stacked and arranged, and each group of IGCT devices is connected to a water-cooled radiator.

[0008] Furthermore, a plurality of rectifier diodes are provided, and the plurality of rectifier diodes are stacked and arranged, and a water-cooled radiator is installed on one side of each rectifier diode.

[0009] Furthermore, a water inlet pipe and a busbar are installed on the water-cooled radiator.

[0010] Furthermore, the explosion-proof cavity includes a first insulating protection plate and a second insulating protection plate, the first insulating protection plate is connected to the second insulating protection plate, explosion-proof silicon stack end plates are installed at both ends of the first insulating protection plate and the second insulating protection plate, and the explosion-proof cavity has holes.

[0011] Furthermore, the insulating tensioning device includes an insulating screw and a fixing, the insulating screw is installed inside the explosion-proof cavity through the fixing, and the insulating screw passes through the silicon stack partition end plate and is installed between the explosion-proof silicon stack end plates at both ends of the fixing of the explosion-proof cavity.

[0012] In a second aspect, the present invention provides an explosion-proof IGCT high-power hydrogen production power supply single cabinet, comprising an AC circuit breaker, a DC circuit breaker, an explosion-proof IGCT high-power hydrogen production power supply module, a DC reactor and an electrical installation component, wherein the explosion-proof IGCT high-power hydrogen production power supply module adopts the explosion-proof IGCT high-power hydrogen production power supply module, the AC circuit breaker and the DC circuit breaker are installed on the outside of the explosion-proof IGCT high-power hydrogen production power supply module, the input end of the AC circuit breaker is connected to the AC power supply, the output end of the AC circuit breaker is connected to the AC input end of the explosion-proof IGCT high-power hydrogen production power supply module, the output end of the explosion-proof IGCT high-power hydrogen production power supply module is connected to the DC reactor and the DC circuit breaker in sequence, the electrical installation component is arranged back to back to the explosion-proof IGCT high-power hydrogen production power supply module, and the protective door panel is arranged on the front side of the electrical installation component and the IGCT hydrogen production power supply module.

[0013] Furthermore, two groups of the explosion-proof IGCT high-power hydrogen production power supply modules are arranged, the two groups of explosion-proof IGCT high-power hydrogen production power supply modules are arranged back to back, and an observation window is provided on the protective door panel.

[0014] Furthermore, an AC capacitor is included, and the AC capacitor is connected to the output end of the AC circuit breaker.

[0015] In a third aspect, the present invention provides an explosion-proof IGCT high-power hydrogen production power supply complete machine, using the aforementioned explosion-proof IGCT high-power hydrogen production power supply single cabinet, the complete machine is composed of multiple explosion-proof IGCT high-power hydrogen production power supply single cabinets.

[0016] Compared with the prior art, the present invention has the following beneficial technical effects: The present invention proposes an explosion-proof IGCT high-power hydrogen production power supply module, in which the IGCT is a reverse resistance device, and an explosion-proof protective rectifier diode is added at its rear end to ensure the continuity of the commutation circuit under extreme working conditions. The silicon stack separation end plate and the first insulating protection plate and the second insulating protection plate jointly divide the IGCT side and the rectifier diode side into different cavities to increase the explosion resistance of each other. The butterfly bomb tightening device can absorb part of the explosion energy and convert it into the pressure of the butterfly bomb to release part of it. The first insulating protection plate and the second insulating protection plate are wrapped around the silicon stack to provide secondary explosion-proof protection. Under extreme working conditions, even if there is a risk in the IGCT device, it can be blocked in the explosion-proof cavity composed of the first insulating protection plate and the second insulating protection plate. The IGCT drive retention device fixes all IGCT device drives in one line, structurally enhancing its explosion-proof characteristics. The current carrying capacity of the rectifier diode is higher than that of the IGCT. The silicon stack separation end plate isolates the IGCT device crimping side from the rectifier diode crimping side in a structural explosion-proof manner, which can provide explosion-proof protection under extreme working conditions. The power module of the present invention adopts a multiple explosion-proof design and has good explosion-proof characteristics. It can maintain the integrity of the overall structure under extreme working conditions of fault overcurrent, and will not cause component damage. At the same time, it will not affect the normal operation of other power modules in the system, thereby enhancing the reliability of the hydrogen production power supply and improving energy utilization. The single module has high power and can effectively improve the power density of the fully controlled hydrogen production power supply.

[0017] The present invention proposes an explosion-proof IGCT high-power hydrogen production power supply complete machine, which is composed of multiple explosion-proof IGCT high-power hydrogen production power supply single cabinets. The capacity of a single cabinet can reach megawatt level. Increasing the number of single cabinets can increase the capacity of the complete machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are for explanation purposes only and are not intended to limit the scope of the present invention in any way. In addition, the shapes and proportional dimensions of the components in the drawings are only for illustration purposes to help understand the present invention, and are not intended to specifically limit the shapes and proportional dimensions of the components of the present invention. In the drawings: Figure 1 This is a structural diagram of an explosion-proof IGCT high-power hydrogen production power module.

[0019] Figure 2 This is a simplified structural diagram of an explosion-proof IGCT high-power hydrogen production power module.

[0020] Figure 3 This is the basic topology diagram of an explosion-proof IGCT high-power hydrogen production power module.

[0021] Figure 4 This is a schematic diagram of an explosion-proof IGCT high-power hydrogen production power supply cabinet.

[0022] Figure 5This is a schematic diagram of installing a protective door panel on an explosion-proof IGCT high-power hydrogen production power supply cabinet.

[0023] Figure 6 This is a diagram of an explosion-proof IGCT high-power hydrogen production power supply.

[0024] Among them, 1 is a protective door panel, 2 is an AC circuit breaker, 3 is a DC circuit breaker, 4 is an explosion-proof IGCT high-power hydrogen production power module, 5 is a DC reactor, 6 is an AC capacitor, 7 is an electrical installation component, 8 is a first insulation protection plate, 9 is an IGCT device, 10 is an insulating screw rod, 11 is an IGCT drive holding device, 12 is a rectifier diode, 13 is a silicon stack partition end plate, 14 is an explosion-proof silicon stack end plate, 15 is a water inlet pipe and busbar, 16 is a butterfly spring tightening device, 17 is a water-cooled radiator, 18 is a second insulation protection plate, and 19 is an insulation tensioning device DETAILED DESCRIPTION In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0025] It should be noted that when an element is referred to as being "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only embodiment.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which the present invention belongs. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0027] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0028] Embodiment 1 See also Figure 1 , Figure 2 and Figure 3 An explosion-proof IGCT high-power hydrogen production power module includes an explosion-proof cavity, an IGCT device 9, a rectifier diode 12, a silicon stack partition end plate 13, an explosion-proof silicon stack end plate 14, an IGCT drive holding device 11, a butterfly spring top tightening device 16, a water-cooled radiator 17 and an insulation tensioning device 19. The IGCT device 9 and the rectifier diode 12 are arranged inside the explosion-proof cavity, the rectifier diode 12 is arranged at the rear end of the IGCT device 9, and the silicon stack partition end plate 13 is connected to the rectifier diode at the crimping side of the IGCT device 9. 12 is arranged between the crimping sides, a water-cooled radiator 17 is arranged on the sides of the IGCT device 9 and the rectifier diode 12, a plurality of IGCT devices 9 are arranged, and the plurality of IGCT devices 9 are flush fixed by the IGCT drive holding device 11, explosion-proof silicon stack end plates 14 are installed at both ends of the explosion-proof cavity, an insulation tensioning device 19 is arranged inside the explosion-proof cavity, and the end of the insulation tensioning device 19 is connected to the explosion-proof silicon stack end plate 14, and a butterfly spring tightening device 16 is arranged between the rectifier diode 12 and the explosion-proof silicon stack end plate 14.

[0029] The explosion-proof cavity of this embodiment serves as the outer shell of the entire module. The explosion-proof cavity not only protects the internal components from interference from the external environment, but also has an explosion-proof function to ensure that explosive gases that may be generated during the generation or processing of hydrogen will not cause danger. The IGCT device 9 is one of the core components in the module and is responsible for the conversion and control of high-power electrical energy. IGCT is a high-voltage, high-power semiconductor switching device. IGCT combines the advantages of GTO (Gate Turn-Off Thyristor) and IGBT, and has the characteristics of fast switching speed, strong current capacity, low loss, and high reliability. The internal structure of IGCT usually includes a thyristor and a gate drive circuit for controlling the thyristor switch. The gate signal can be used to control the opening and closing of the thyristor, thereby realizing the conversion and control of high-power electrical energy. Since IGCT has high-voltage and high-power processing capabilities, in the hydrogen production power supply, IGCT can be used as one of the key components to control the switching of the power supply and adjust the output current, thereby realizing precise control of the hydrogen production process. See Figure 3 , the rectifier diode 12 (D1, D2) is arranged at the rear end of the IGCT device 9 (S1~S6) to convert AC into DC to meet the demand of hydrogen power for DC. The silicon stack partition end plate 13 is located between the crimping side of the IGCT device 9 and the rectifier diode 12, and plays a role of separation and support to ensure the electrical isolation and mechanical stability between the two. In order to improve the heat dissipation efficiency of the IGCT device 9 and the rectifier diode 12, a water-cooled radiator 17 is arranged on their sides. By circulating cooling water, the heat generated inside can be effectively taken away to maintain the normal working temperature of the component. The IGCT drive retaining device 11 is used to fix several IGCT devices 9 flush to ensure that they can operate stably and reliably during operation. The explosion-proof silicon stack end plates 14 are installed at both ends of the explosion-proof cavity, which not only play a sealing and explosion-proof role, but also may serve as electrical connection points to connect the internal components with the external circuit. The insulation tensioning device 19 is used to provide additional mechanical support and electrical insulation to ensure the electrical safety and stability of the entire module. The butterfly spring tightening device 16 is disposed between the rectifier diode 12 and the explosion-proof silicon stack end plate 14 to provide additional pressure and stability to ensure good contact and electrical connection between the rectifier diode 12 and the end plate 14 .

[0030] Several groups of IGCT devices 9 are arranged, and several groups of IGCT devices 9 are stacked. The stacking arrangement is to improve the power density, so as to improve the rectification efficiency and power density. Each group of IGCT devices 9 is connected to a water-cooled radiator 17 for efficient heat dissipation to ensure long-term stable operation of the device. Several rectifier diodes 12 are arranged, and several rectifier diodes 12 are stacked. A water-cooled radiator 17 is installed on one side of each rectifier diode 12 to ensure that the heat generated during the rectification process is dissipated in time. The water-cooled radiator 17 is installed with a water inlet pipe and a busbar 15. The water-cooled radiator 17 is not only used for heat dissipation of IGCT devices and rectifier diodes, but also serves as the installation basis for the inlet and outlet water pipes and the busbar 15. The inlet and outlet water pipes are used to circulate cooling water, and the busbar is used to electrically connect the explosion-proof cavity including the first insulating protection plate 8 and the second insulating protection plate 18 to provide electrical insulation and explosion-proof protection. The first insulating protection plate 8 is connected to the second insulating protection plate 18, and explosion-proof silicon stack end plates 14 are installed at both ends of the first insulating protection plate 8 and the second insulating protection plate 18 to further enhance the explosion-proof performance. The first insulating protection plate 8 and the second insulating protection plate 18 are both made of high-strength insulating protection plates, and holes are opened in the explosion-proof cavity. The holes are the installation holes of the IGCT drive retaining device 11 and the inlet and outlet water pipes and the busbar 15. The insulating tensioning device 19 includes an insulating screw rod 10 and a fixing. The insulating screw rod 10 is installed inside the explosion-proof cavity through the fixing member. The fixing member adopts a nut. The insulating screw rod 10 passes through the silicon stack partition end plate 13 and is installed between the explosion-proof silicon stack end plates 14 at both ends of the fixing member of the explosion-proof cavity to provide additional mechanical support and electrical insulation. The insulating screw rod 10 adopts a high-strength insulating screw rod, and the nut adopts a high-strength insulating nut This embodiment achieves efficient heat dissipation by stacking IGCT devices 9 and rectifier diodes 12, and is equipped with a water-cooled radiator 17 to ensure that the device will not overheat under long-term high-power operation. The stacking design improves the power density, making the entire module more compact and efficient. Through the design of the explosion-proof cavity, the insulating protection plate and the explosion-proof silicon stack end plate 14, multiple electrical insulation and explosion-proof protection are provided to ensure the safe operation of the module in harsh environments. The entire module adopts a modular design for easy maintenance and upgrading. The explosion-proof IGCT high-power hydrogen production power supply module provided in this embodiment is suitable for occasions requiring high-power electric energy conversion and control, such as water electrolysis for hydrogen production in industrial production, wind power generation and solar power generation in new energy development, etc. Its high efficiency, stability and reliability make it an ideal choice in these fields.

[0031] Embodiment 2 See also Figure 4 and Figure 5An explosion-proof IGCT high-power hydrogen production power supply single cabinet includes an AC circuit breaker 2, a DC circuit breaker 3, an explosion-proof IGCT high-power hydrogen production power supply module 4, a DC reactor 5 and an electrical installation component 7. The AC circuit breaker 2 and the DC circuit breaker 3 are installed outside the explosion-proof IGCT high-power hydrogen production power supply module 4.

[0032] The explosion-proof IGCT high-power hydrogen production power module 4 adopts an explosion-proof IGCT high-power hydrogen production power module described in Example 1. The input end of the AC circuit breaker 2 is connected to an AC power supply to provide the AC power required by the hydrogen production power supply cabinet. The output end of the AC circuit breaker 2 is connected to the AC input end of the explosion-proof IGCT high-power hydrogen production power module 4, and the output end of the explosion-proof IGCT high-power hydrogen production power module 4 is connected to the DC reactor 5 and the DC circuit breaker 3 in sequence. The DC reactor 5 is used to smooth the DC current and reduce current fluctuations. The DC circuit breaker 3 plays a role in protecting the DC circuit, and its output end is connected to the load or subsequent circuit to provide stable DC power for the hydrogen production process. The electrical installation component 7 is arranged back to back with the explosion-proof IGCT high-power hydrogen production power module 4, and the protective door panel 1 is arranged on the front side of the electrical installation component 7 and the IGCT hydrogen production power module 4. The electrical installation component 7 includes a busbar, a terminal, an insulator, etc., which are used for electrical connection and support inside the hydrogen production power supply cabinet. The single cabinet also includes an AC capacitor 6, which is connected to the output end of the AC circuit breaker 2. The AC capacitor 6 is used to improve the quality of the power supply and reduce voltage fluctuations and interference. Two groups of explosion-proof IGCT high-power hydrogen production power modules 4 are arranged, and the two groups of explosion-proof IGCT high-power hydrogen production power modules 4 are arranged back to back, which is conducive to heat dissipation and reduces mutual interference. An observation window is opened on the protective door panel 1. In order to observe the internal equipment without opening the door panel.

[0033] Embodiment 3 See also Figure 6 , an explosion-proof IGCT high-power hydrogen production power supply unit, using an explosion-proof IGCT high-power hydrogen production power supply single cabinet described in Example 2, the whole unit is composed of multiple explosion-proof IGCT high-power hydrogen production power supply single cabinets.

[0034] In this embodiment, each single cabinet has high-power hydrogen production capacity, and the coordinated operation of multiple single cabinets can greatly improve the hydrogen production efficiency of the whole machine. The explosion-proof design ensures the safe operation of the whole machine in harsh environments and effectively prevents explosion accidents that may be caused by hydrogen leakage.

[0035] Many embodiments and many applications beyond the examples provided will be apparent to those skilled in the art upon reading the above description. Therefore, the scope of the present teachings should not be determined with reference to the above description, but rather with reference to the preceding claims and the full scope of equivalents to which such claims are entitled. For the purpose of comprehensiveness, all articles and references, including disclosures of patent applications and publications, are incorporated herein by reference. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to be a disclaimer of such subject matter, nor should it be considered that the applicants did not consider such subject matter to be part of the disclosed inventive subject matter.

[0036] The above content is a further detailed description of the present invention. It cannot be determined that the specific implementation methods of the present invention are limited to these. For ordinary technicians in the technical field to which the present invention belongs, without departing from the concept of the present invention, they can also make several simple deductions or substitutions, which should be regarded as belonging to the protection scope of the present invention determined by the submitted claims.

Claims

1. An explosion-proof IGCT high-power hydrogen production power supply module, characterized in that: The invention comprises an explosion-proof cavity, an IGCT device (9), a rectifier diode (12), a silicon stack partition end plate (13), an explosion-proof silicon stack end plate (14), an IGCT drive retaining device (11), a butterfly spring tightening device (16), a water-cooled radiator (17) and an insulation tightening device (19), wherein the IGCT device (9) and the rectifier diode (12) are arranged inside the explosion-proof cavity, the rectifier diode (12) is arranged at the rear end of the IGCT device (9), and the silicon stack partition end plate (13) is arranged between the crimping side of the IGCT device (9) and the crimping side of the rectifier diode (12). The water-cooled radiator (17) is arranged on the side of the IGCT device (9) and the rectifier diode (12); a plurality of IGCT devices (9) are arranged; the plurality of IGCT devices (9) are flushly fixed by an IGCT drive retaining device (11); explosion-proof silicon stack end plates (14) are installed at both ends of the explosion-proof cavity; the insulation tensioning device (19) is arranged inside the explosion-proof cavity; the end of the insulation tensioning device (19) is connected to the explosion-proof silicon stack end plate (14); and the butterfly spring tensioning device (16) is arranged between the rectifier diode (12) and the explosion-proof silicon stack end plate (14).

2. The explosion-proof IGCT high-power hydrogen production power supply module according to claim 1 is characterized in that: The IGCT devices (9) are arranged in a plurality of groups, and the plurality of groups of IGCT devices (9) are stacked and arranged, and each group of IGCT devices (9) is connected to a water-cooled radiator (17).

3. The explosion-proof IGCT high-power hydrogen production power supply module according to claim 1 is characterized in that: A plurality of the rectifier diodes (12) are provided, and the plurality of rectifier diodes (12) are stacked and arranged, and a water-cooled radiator (17) is installed on one side of each rectifier diode (12).

4. The explosion-proof IGCT high-power hydrogen production power supply module according to claim 1 is characterized in that: A water inlet pipe and a busbar (15) are installed on the water-cooled radiator (17).

5. The explosion-proof IGCT high-power hydrogen production power supply module according to claim 1 is characterized in that: The explosion-proof cavity comprises a first insulating protection plate (8) and a second insulating protection plate (18), the first insulating protection plate (8) and the second insulating protection plate (18) are connected, explosion-proof silicon stack end plates (14) are installed at both ends of the first insulating protection plate (8) and the second insulating protection plate (18), and the explosion-proof cavity is provided with a hole.

6. The explosion-proof IGCT high-power hydrogen production power supply module according to claim 1, characterized in that: The insulating tensioning device (19) comprises an insulating screw (10) and a fixing member, wherein the insulating screw (10) is installed inside the explosion-proof cavity via the fixing member, and the insulating screw (10) passes through the silicon stack partition end plate (13) and is installed between the explosion-proof silicon stack end plates (14) at both ends of the fixing member of the explosion-proof cavity.

7. An explosion-proof IGCT high-power hydrogen production power supply single cabinet, characterized in that: The invention comprises an AC circuit breaker (2), a DC circuit breaker (3), an explosion-proof IGCT high-power hydrogen production power module (4), a DC reactor (5) and an electrical installation component (7), wherein the explosion-proof IGCT high-power hydrogen production power module (4) adopts an explosion-proof IGCT high-power hydrogen production power module as described in any one of claims 1 to 6, the AC circuit breaker (2) and the DC circuit breaker (3) are installed outside the explosion-proof IGCT high-power hydrogen production power module (4), and the input of the AC circuit breaker (2) is The AC power supply is connected to the AC end of the AC circuit breaker (2), the AC input end of the explosion-proof IGCT high-power hydrogen production power module (4), the output end of the explosion-proof IGCT high-power hydrogen production power module (4) is connected to the DC reactor (5) and the DC circuit breaker (3) in sequence, the electrical installation component (7) and the explosion-proof IGCT high-power hydrogen production power module (4) are arranged back to back, and the protective door panel (1) is arranged in front of the electrical installation component (7) and the IGCT hydrogen production power module (4).

8. The explosion-proof IGCT high-power hydrogen production power supply single cabinet according to claim 7 is characterized in that: The explosion-proof IGCT high-power hydrogen production power supply modules (4) are provided in two groups, the two groups of explosion-proof IGCT high-power hydrogen production power supply modules (4) are arranged back to back, and an observation window is provided on the protective door panel (1).

9. The explosion-proof IGCT high-power hydrogen production power supply single cabinet according to claim 7 is characterized in that: It also includes an AC capacitor (6), which is connected to the output end of the AC circuit breaker (2).

10. An explosion-proof IGCT high-power hydrogen production power supply complete machine, using an explosion-proof IGCT high-power hydrogen production power supply single cabinet as described in any one of claims 7 to 9, characterized in that: The whole machine is composed of a plurality of explosion-proof IGCT high-power hydrogen production power supply cabinets.

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