CN211089217U - Hydrogen igniter power supply system suitable for passive advanced pressurized water reactor - Google Patents
Hydrogen igniter power supply system suitable for passive advanced pressurized water reactor Download PDFInfo
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- CN211089217U CN211089217U CN201921847831.7U CN201921847831U CN211089217U CN 211089217 U CN211089217 U CN 211089217U CN 201921847831 U CN201921847831 U CN 201921847831U CN 211089217 U CN211089217 U CN 211089217U
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Abstract
The utility model discloses a hydrogen point firearm power supply system suitable for passive advanced pressurized water reactor relates to passive advanced pressurized water reactor technical field, including EDS3 battery, EDS3 DC switch cabinet, EDS3 inverter, EDS3 AC distribution board, EDS4 battery, EDS4 DC switch cabinet, EDS4 inverter, EDS4 AC distribution board, IDS reserve battery terminal box, the EDSS is dc-to-ac converter for the hydrogen igniter, low pressure removes diesel generator, portable power source interface port case 1, portable power source interface port case 2, cable and wiring channel. The utility model provides a redundant power supply of three routes is through the mechanical interlocking circuit breaker of three selection one, and the hydrogen igniter of the advanced pressurized water reactor of passive provides the redundant power supply means after the power failure of whole factory, system simple structure, configuration are nimble, the simple operation. When a serious accident occurs, the continuous power supply of the hydrogen igniter can be ensured, and the capability of the passive advanced pressurized water reactor for dealing with the serious accident is improved.
Description
Technical Field
The utility model relates to an active advanced pressurized water reactor technical field of non especially relates to a hydrogen point firearm power supply system suitable for active advanced pressurized water reactor of non.
Background
After the fukushima event, the national nuclear safety administration and related ministries develop nuclear safety inspection on operation and nuclear power plants under construction, and the inspection result shows that: the nuclear power plant in China has certain capability of preventing and relieving serious accidents, the safety risk is in a controlled state, and the safety is guaranteed. However, in order to further improve the nuclear safety level of the nuclear power plants in China, the national nuclear safety administration puts forward improvement requirements on each nuclear power plant according to the inspection results. In order to standardize the improvement action of the commonalities of the nuclear power plants, the national nuclear safety administration organizes and compiles the general technical requirement of the improvement action of the nuclear power plants after the fukushima nuclear accident (hereinafter referred to as the general technical requirement) as an instructive file of the follow-up improvement action of the nuclear power plants. In the general technical requirements, functions of a hydrogen monitoring and control system under severe accident conditions are determined, and the integrity of a containment vessel is prevented from being damaged due to combustion or explosion possibly generated after hydrogen is accumulated in a local area through a hydrogen elimination measure. Because the hydrogen igniter is used as a main hydrogen elimination means and measure under the condition of serious accidents, the guarantee of the power supply capacity of the hydrogen igniter under the condition of serious accidents becomes one of indispensable requirements.
The fukushima accident indicates that extreme external events can cause a long-term loss of ac power from a nuclear power plant. The hydrogen control system power for third generation advanced pressurized water reactor nuclear power plants is provided by two ac UPS panels (EDS3 and EDS4) that are not class 1E dc and UPS systems (EDS). The EDS battery can provide four hours of power to the hydrogen igniter in the event of a plant loss of power. The empirical feedback of the fukushima event is considered, and the hydrogen igniter is used as a main hydrogen elimination means and measure under the condition of serious accident. Therefore, the power supply capacity of the hydrogen igniter under the serious accident condition is guaranteed to be one of indispensable requirements, and in order to further eliminate risks, a 1E-level direct current and UPS system (IDS) standby sequence storage battery and a low-voltage mobile power supply are connected to serve as redundant power supply means, so that the continuous power supply capacity of the hydrogen igniter under the serious accident condition is guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems, and provides a hydrogen igniter power supply system suitable for a passive advanced pressurized water reactor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a hydrogen igniter power supply system suitable for a passive advanced pressurized water reactor comprises an EDS3 storage battery, an EDS3 direct current switch cabinet, an EDS3 inverter, an EDS3 alternating current distribution board, an EDS4 storage battery, an EDS4 direct current switch cabinet, an EDS4 inverter, an EDS4 alternating current distribution board, an IDS standby storage battery terminal box, an EDSS hydrogen igniter inverter, a low-voltage mobile diesel generator, a mobile power interface terminal box 1, a mobile power interface terminal box 2, a cable and a wiring channel;
the EDS3 storage battery, the EDS3 direct current switch cabinet, the EDS3 inverter and the EDS3 alternating current distribution board are sequentially connected through cables to provide a normal power supply for the hydrogen igniter 1 group, and the EDS4 storage battery, the EDS4 direct current switch cabinet, the EDS4 inverter and the EDS4 alternating current distribution board are sequentially connected through cables to provide a normal power supply for the hydrogen igniter 2 group;
the IDS standby storage battery, the IDS standby storage battery terminal box, the EDSS hydrogen igniter inverter and the EDS3 AC distribution board are sequentially connected through cables to provide a first standby power supply for the hydrogen igniter 1 group; the IDS standby storage battery, the IDS standby storage battery terminal box, the EDSS hydrogen igniter inverter and the EDS4 AC distribution board are sequentially connected through cables to provide a first standby power supply for the hydrogen igniter 2 group;
the low-voltage mobile diesel generator, the mobile power interface termination box 1 and the EDS3 alternating current distribution board are sequentially connected through cables to provide a second standby power supply for the hydrogen igniter 1 group; the low-voltage mobile diesel generator, the mobile power interface termination box 2 and the EDS4 alternating current distribution board are sequentially connected through cables to provide a second standby power supply for the hydrogen igniter 1 group;
the EDS3 alternating current switchboard and the EDS4 alternating current switchboard are non-1E-level anti-seismic I-class equipment, three incoming line breakers are arranged, mechanical linkage is provided, the three breakers are allowed to be opened simultaneously, but only one breaker is allowed to be in a closed position at the same moment, and the three incoming line breakers are used for selecting one of three paths of redundant power supplies to supply power to the hydrogen igniter;
the inverter for the EDSS hydrogen igniter is non-1E-level anti-seismic I-type equipment, two outgoing line circuit breakers are arranged, mechanical linkage is carried out, the two circuit breakers are allowed to be opened simultaneously, but only one circuit breaker is allowed to be in a closed position at the same time, and the inverter is used for supplying power to one of the two groups of hydrogen igniters.
In the above-mentioned passive advanced pressurized water reactor hydrogen igniter power supply system, each group of hydrogen igniters has three input power supplies, which are an EDS3 or EDS4 battery, an IDS backup battery, and a low-voltage mobile diesel generator, and one of the input power supplies is selected by three mechanically interlocked incoming line breakers in an EDS3 or EDS4 ac switchboard.
In the above-mentioned passive advanced pressurized water reactor hydrogen igniter power supply system, the EDS3 and EDS4 storage batteries and IDS backup storage battery are lead-acid storage batteries, and the capacity of the storage battery is calculated according to the load capacity carried by the storage battery, and the power supply time requirement is met.
The utility model discloses possess following advantage:
the three-way redundant power supply provides a redundant power supply means after power failure of the whole plant for the hydrogen igniter of the passive advanced pressurized water reactor through the three-out-of-one mechanical interlocking circuit breaker, and the system is simple in structure, flexible in configuration and convenient to operate. When a serious accident occurs, the continuous power supply of the hydrogen igniter can be ensured, and the capability of the passive advanced pressurized water reactor for dealing with the serious accident is improved.
Drawings
Fig. 1 is a schematic view of the overall framework of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, a hydrogen igniter power supply system suitable for passive advanced pressurized water reactors comprises an EDS3 storage battery, an EDS3 direct current switch cabinet, an EDS3 inverter, an EDS3 alternating current switchboard, an EDS4 storage battery, an EDS4 direct current switch cabinet, an EDS4 inverter, an EDS4 alternating current switchboard, an IDS backup battery terminal box, an EDS s hydrogen igniter inverter, a low voltage mobile diesel generator, a mobile power interface terminal box 1, a mobile power interface terminal box 2, cables and wiring channels.
The EDS3 storage battery, the EDS3 direct current switch cabinet, the EDS3 inverter and the EDS3 alternating current distribution board are sequentially connected through cables to provide a normal power supply for the hydrogen igniter 1 group, and the EDS4 storage battery, the EDS4 direct current switch cabinet, the EDS4 inverter and the EDS4 alternating current distribution board are sequentially connected through cables to provide a normal power supply for the hydrogen igniter 2 group.
The IDS standby storage battery, the IDS standby storage battery terminal box, the EDSS hydrogen igniter inverter and the EDS3 AC distribution board are sequentially connected through cables to provide a first standby power supply for the hydrogen igniter 1 group; the IDS spare storage battery, the IDS spare storage battery terminal box, the EDSS hydrogen igniter inverter and the EDS4 alternating current distribution board are sequentially connected through cables to provide a first spare power supply for the hydrogen igniter 2 group.
The low-voltage mobile diesel generator, the mobile power interface termination box 1 and the EDS3 alternating current distribution board are sequentially connected through cables to provide a second standby power supply for the hydrogen igniter 1 group; the low-voltage mobile diesel generator, the mobile power interface termination box 2 and the EDS4 alternating current distribution board are sequentially connected through cables to provide a second standby power supply for the hydrogen igniter 1 group.
The EDS3 AC distribution board and the EDS4 AC distribution board are non-1E-level anti-seismic I-class equipment, three incoming line circuit breakers are arranged, mechanical linkage is provided, the three circuit breakers are allowed to be opened simultaneously, but only one circuit breaker is allowed to be in a closed position at the same moment, and the three incoming line circuit breakers are used for selecting one of three paths of redundant power supplies to supply power to the hydrogen igniter.
The inverter for the EDSS hydrogen igniter is non-1E-level anti-seismic I-type equipment, two outgoing line circuit breakers are arranged, mechanical linkage is carried out, the two circuit breakers are allowed to be opened simultaneously, but only one circuit breaker is allowed to be in a closed position at the same time, and the inverter is used for supplying power to one of the two groups of hydrogen igniters.
As shown in FIG. 1, each set of hydrogen igniters has three input power sources, namely an EDS3 or EDS4 battery, an IDS backup battery and a low-voltage mobile diesel generator. One power supply is selected by three mechanically interlocked incoming line breakers in an EDS3 or EDS4 AC distribution board so as to ensure the power supply reliability of the hydrogen igniter in serious accidents.
As shown in figure 1, the EDS3 battery, the EDS4 battery and the IDS standby battery are lead-acid batteries, and the capacity of the batteries is calculated according to the capacity of charged loads and meets the requirement of power supply time. The low-voltage mobile diesel generator can be put in place within 72 hours when a nuclear power plant has serious accidents and loses all alternating current power supplies
A hydrogen igniter power supply system suitable for a passive advanced pressurized water reactor comprises EDS3 and EDS4 storage batteries, EDS3 and EDS4 direct current switch cabinets, EDS3 and EDS4 inverters, EDS3 and EDS4 alternating current distribution boards, an EDSS hydrogen igniter inverter, IDS standby storage batteries, IDS standby storage battery terminal boxes, mobile power interface terminal boxes, cables and wiring channels, and is shown in detail in figure 1.
The EDS3 storage battery, the EDS3 direct current switch cabinet, the EDS3 inverter and the EDS3 alternating current distribution board are sequentially connected through cables, the EDS4 storage battery, the EDS4 direct current switch cabinet, the EDS4 inverter and the EDS4 alternating current distribution board are sequentially connected through cables, normal power supplies are respectively provided for the hydrogen igniter 1 group and the hydrogen igniter 2 group, and the hydrogen igniter is guaranteed to continuously supply power for 4 hours when the whole plant loses power.
The IDS spare storage battery, the IDS spare storage battery terminal box, the EDSS hydrogen igniter inverter, the EDS3 and the EDS4 alternating current switchboard are sequentially connected through cables to provide a first spare power supply for the hydrogen igniter, the EDS3 and the EDS4 storage battery provide the spare power supply for the hydrogen igniter after the storage battery is discharged, and the hydrogen igniter is continuously powered for 72 hours;
the mobile power supply interface termination box is used for connecting a low-voltage mobile diesel generator in a plant, providing a second standby power supply for the hydrogen igniter and continuously supplying power for the hydrogen igniter after the EDS and IDS storage batteries discharge electricity.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (3)
1. A hydrogen igniter power supply system suitable for a passive advanced pressurized water reactor is characterized by comprising an EDS3 storage battery, an EDS3 direct-current switch cabinet, an EDS3 inverter, an EDS3 alternating-current switchboard, an EDS4 storage battery, an EDS4 direct-current switch cabinet, an EDS4 inverter, an EDS4 alternating-current switchboard, an IDS standby storage battery terminal box, an EDSS hydrogen igniter inverter, a low-voltage mobile diesel generator, a mobile power interface terminal box 1, a mobile power interface terminal box 2, a cable and a wiring channel;
the EDS3 storage battery, the EDS3 direct current switch cabinet, the EDS3 inverter and the EDS3 alternating current distribution board are sequentially connected through cables to provide a normal power supply for the hydrogen igniter 1 group, and the EDS4 storage battery, the EDS4 direct current switch cabinet, the EDS4 inverter and the EDS4 alternating current distribution board are sequentially connected through cables to provide a normal power supply for the hydrogen igniter 2 group;
the IDS standby storage battery, the IDS standby storage battery terminal box, the EDSS hydrogen igniter inverter and the EDS3 AC distribution board are sequentially connected through cables to provide a first standby power supply for the hydrogen igniter 1 group; the IDS standby storage battery, the IDS standby storage battery terminal box, the EDSS hydrogen igniter inverter and the EDS4 AC distribution board are sequentially connected through cables to provide a first standby power supply for the hydrogen igniter 2 group;
the low-voltage mobile diesel generator, the mobile power interface termination box 1 and the EDS3 alternating current distribution board are sequentially connected through cables to provide a second standby power supply for the hydrogen igniter 1 group; the low-voltage mobile diesel generator, the mobile power interface termination box 2 and the EDS4 alternating current distribution board are sequentially connected through cables to provide a second standby power supply for the hydrogen igniter 1 group;
the EDS3 alternating current switchboard and the EDS4 alternating current switchboard are non-1E-level anti-seismic I-class equipment, three incoming line breakers are arranged, mechanical linkage is provided, the three breakers are allowed to be opened simultaneously, but only one breaker is allowed to be in a closed position at the same moment, and the three incoming line breakers are used for selecting one of three paths of redundant power supplies to supply power to the hydrogen igniter;
the inverter for the EDSS hydrogen igniter is non-1E-level anti-seismic I-type equipment, two outgoing line circuit breakers are arranged, mechanical linkage is carried out, the two circuit breakers are allowed to be opened simultaneously, but only one circuit breaker is allowed to be in a closed position at the same time, and the inverter is used for supplying power to one of the two groups of hydrogen igniters.
2. The system of claim 1, wherein each group of hydrogen igniters has three inputs, namely an EDS3 or EDS4 battery, an IDS backup battery, and a low voltage mobile diesel generator, and one of the three inputs is selected by a mechanically interlocked incoming breaker in an EDS3 or EDS4 ac panel.
3. The system as claimed in claim 1, wherein the EDS3 battery, EDS4 battery, IDS spare battery are lead-acid batteries, and the battery capacity is calculated according to the load capacity and meets the power supply time requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921847831.7U CN211089217U (en) | 2019-10-30 | 2019-10-30 | Hydrogen igniter power supply system suitable for passive advanced pressurized water reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921847831.7U CN211089217U (en) | 2019-10-30 | 2019-10-30 | Hydrogen igniter power supply system suitable for passive advanced pressurized water reactor |
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| Publication Number | Publication Date |
|---|---|
| CN211089217U true CN211089217U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921847831.7U Active CN211089217U (en) | 2019-10-30 | 2019-10-30 | Hydrogen igniter power supply system suitable for passive advanced pressurized water reactor |
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| CN (1) | CN211089217U (en) |
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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |