CN103000241A - System and method for loading and unloading turbine device for nuclear power station emergency diesel engine - Google Patents
System and method for loading and unloading turbine device for nuclear power station emergency diesel engine Download PDFInfo
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- CN103000241A CN103000241A CN2012105073531A CN201210507353A CN103000241A CN 103000241 A CN103000241 A CN 103000241A CN 2012105073531 A CN2012105073531 A CN 2012105073531A CN 201210507353 A CN201210507353 A CN 201210507353A CN 103000241 A CN103000241 A CN 103000241A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
Abstract
The invention discloses a system and method for loading and unloading a turbine device for a nuclear power station emergency diesel engine. The system comprises a control module arranged in a safety distributed control system (DCS) cabinet, a loading processing module arranged in a non-safety turbine control system (TCS) cabinet, a priority processing module arranged in the non-safety TCS cabinet and a switch board arranged in the non-safety TCS cabinet. The control module is used for receiving and processing unloading signals generated by LHA for each turbine device and outputting processed unloading signals to the non-safety TCS cabinet, and the unloading signals are used for generating command signals. The loading processing module is used for conducting loading logic processing on the unloading signals so as to generate startup command signals. The priority processing module is used for conducting shutdown command priority processing on shutdown command signals and the startup command signals. The switch board is used for controlling startup and shutdown of the turbine device according to the startup command signals and the shutdown command signals after being processed in priority mode. By means of the technical scheme, a port is simple, and design cost of the system is reduced.
Description
Technical field
The present invention relates to the nuclear power field, relate in particular to a kind of nuclear power station emergency diesel-oil machine and add the system and method that unloads steam turbine equipment.
Background technology
The emergency diesel-oil machine is emergency power pack independently in the nuclear power station; its function is when the main and auxiliary power supply of nuclear power station loses; to important power devices, shut down and the reactor safety shutdown to guarantee Turbine Safety, avoid causing the damage of Steam Turbine, nuclear island equipment and the generation of nuclear accident because of dead electricity.The major requirement of emergency power pack is can emergency power generation, specifically, namely is that independence is strong and maneuverability is good, and so-called independence namely only relies on the power of himself, the power supply that can run well of whole system and devices; So-called maneuverability is well that the emergency power pack starting is fast, and amount of exports constant load at short notice, powers to emergency equipment.When the main and auxiliary power supply of nuclear power station loses, the confidential loading steam turbine equipment of emergency diesel-oil, think steam turbine equipment power supply, but consider that the emergency diesel-oil unit can't bear the heavy current impact that brings when equipment loads simultaneously, so must be according to the significance level of equipment successively loading equipemtn.
Add in the offload scheme existing, as shown in Figure 1, the control system of nuclear power station includes the TCS rack of safe level DCS rack and non-security level, carry out steam turbine equipment add Unloading Control the time, unloader signal exchanges casualty power distribution system by LHA() produce, then deliver to the preferred relay cabinet of safe level through safe level logic control cabinet, preference card, like this, the TCS(steam turbine control system) the preferred relay cabinet of safe level is delivered in the instruction of side output, realize preferred control by hardware in relay cabinet, switch-board is delivered in output again.And the status signal of equipment is delivered to non-security level TCS rack by the isolation fastener of switch-board through preferred relay cabinet.Yet, in the prior art scheme, preferred logic realizes in the relay cabinet of safe level DCS rack, the open and close command signal is sent in the relay cabinet of safe level DCS rack by non-security level TCS rack, thereby cause safe level DCS rack and non-security level TCS cubicle interface intricate, have potential system failure point, and the steam turbine equipment of non-security level has caused also design cost high in safe level control.
Summary of the invention
The technical problem to be solved in the present invention is, for the high defective of above-mentioned complex interfaces, the design cost of prior art, provides a kind of nuclear power station emergency diesel-oil machine that a kind of interface is simple, design cost is low to add the system and method that unloads steam turbine equipment.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of nuclear power station emergency diesel-oil machine and add the system that unloads steam turbine equipment, comprising:
Be arranged on the control module in the safe level DCS rack, be used for receive and process the unloader signal that LHA produces for each steam turbine equipment, and the unloader signal after processing to the output of non-security level TCS rack, described unloader signal is used for generating the pass command signal;
Be arranged on the loading processing module in the non-security level TCS rack, be used for that described unloader signal is carried out load logic and process, open command signal with generation;
Be arranged on the priority processing module in the non-security level TCS rack, be used for described pass command signal and the described command signal of opening are closed the instruction priority processing; And
Be arranged on the switch-board in the non-security level TCS rack, be used for according to opening command signal and closing the start and stop that command signal is controlled steam turbine equipment after the priority processing.
Add in the system that unloads steam turbine equipment at nuclear power station emergency diesel-oil machine of the present invention, described loading processing module is carried out load logic to described unloader signal and is processed according to the operating state signal of steam turbine equipment.
Add in the system that unloads steam turbine equipment at nuclear power station emergency diesel-oil machine of the present invention, described loading processing module comprises the first logic NOT processing unit and delay unit, and described unloader signal after the first logic NOT processing unit and delay unit processing, generates and opens command signal successively.
Add in the system that unloads steam turbine equipment at nuclear power station emergency diesel-oil machine of the present invention, described loading processing module comprises the first logical and processing unit, the second logical and processing unit, the second logic NOT processing unit, delay unit, rest-set flip-flop, wherein, described unloader signal exports the first input end of the first logical and processing unit to, the operating state signal of described steam turbine equipment exports the second input end of the first logical and processing unit to after described delay unit is processed, the operating state signal of described steam turbine equipment exports the first input end of the second logical and processing unit to, described unloader signal exports the second input end of the second logical and processing unit to after described the second logic NOT processing unit processes, the output terminal of described the first logical and processing unit is connected to the S end of rest-set flip-flop, the output terminal of described the second logical and processing unit is connected to the R end of rest-set flip-flop, and command signal is opened in the output terminal output of described rest-set flip-flop.
Add in the system that unloads steam turbine equipment at nuclear power station emergency diesel-oil machine of the present invention, the priority processing module comprises the 3rd logic NOT processing unit and the 3rd logical and processing unit, and, described loading processing module generates opens the first input end that command signal exports the 3rd logical and processing unit to, described pass command signal exports the second input end of the 3rd logical and processing unit to after described the 3rd logic NOT processing unit processes, the command signal of opening after the instruction priority processing is closed in the output of the output terminal of described the 3rd logical and processing unit.
Add in the system that unloads steam turbine equipment at nuclear power station emergency diesel-oil machine of the present invention, described control module arranges the unloader signal of different time length according to the significance level of capacity and the different steam turbine equipments of emergency diesel-oil machine for each steam turbine equipment.
Add in the system that unloads steam turbine equipment at nuclear power station emergency diesel-oil machine of the present invention, described control module receives and the unloader signal of the redundancy that processing LHA produces for each steam turbine equipment;
Described nuclear power station emergency diesel-oil machine adds the system that unloads steam turbine equipment and also comprises:
Be arranged on the logical OR processing module in the non-security level TCS rack, carry out logical OR for the unloader signal of the redundancy that described control module is exported and process, and export result to described loading processing module.
The present invention also constructs a kind of nuclear power station emergency diesel-oil machine and adds the method that unloads steam turbine equipment, comprising:
A. the control module that is arranged in the safe level DCS rack receives and processes the unloader signal that LHA produces for each steam turbine equipment, and the unloader signal after processing to the output of non-security level TCS rack, and described unloader signal is used for generating the pass command signal;
B. the loading processing module that is arranged in the non-security level TCS rack is carried out the load logic processing to described unloader signal, opens command signal with generation;
C. the priority processing module that is arranged in the non-security level TCS rack is closed the instruction priority processing to described pass command signal and the described command signal of opening;
D. be arranged on switch-board in the non-security level TCS rack opening command signal and closing the start and stop of command signal control steam turbine equipment after according to priority processing.
Add in the method that unloads steam turbine equipment at nuclear power station emergency diesel-oil machine of the present invention, in described steps A, control module arranges the unloader signal of different time length according to the significance level of capacity and the different steam turbine equipments of emergency diesel-oil machine for each steam turbine equipment.
Add in the method that unloads steam turbine equipment at nuclear power station emergency diesel-oil machine of the present invention, in described step B, the loading processing module is carried out load logic to described unloader signal and is processed according to the operating state signal of steam turbine equipment.
Implement technical scheme of the present invention, because the control module in the safe level DCS rack receives and processes the unloader signal that LHA produces for each steam turbine equipment, then in non-security level TCS rack, carry out load logic by the mode of software and process and close the priority logic processing, and opening command signal and closing command signal after the generation processing, then export switch-board to, to control the start and stop of non-security grade steam turbine equipment.Therefore, scheme compared to existing technology, safe level DCS rack and non-security level TCS cubicle interface are simple, have reduced potential system failure point, and, use non-security grade of TCS system to control the steam turbine equipment of non-security level, also reduced the design cost of system.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the logical diagram that nuclear power station emergency diesel-oil machine adds the system that unloads steam turbine equipment in the prior art;
Fig. 2 is the logical diagram that nuclear power station emergency diesel-oil machine of the present invention adds the system embodiment one that unloads steam turbine equipment;
Fig. 3 is the logical diagram that nuclear power station emergency diesel-oil machine of the present invention adds the system embodiment two that unloads steam turbine equipment;
Fig. 4 is the logical diagram that nuclear power station emergency diesel-oil machine of the present invention adds the system embodiment three that unloads steam turbine equipment;
Fig. 5 is the logical diagram that nuclear power station emergency diesel-oil machine of the present invention adds the system embodiment four that unloads steam turbine equipment;
Fig. 6 is that nuclear power station emergency diesel-oil machine of the present invention adds the sequential chart when unloading steam turbine equipment;
Fig. 7 is the process flow diagram that nuclear power station emergency diesel-oil machine of the present invention adds the embodiment of the method one that unloads steam turbine equipment.
Embodiment
Fig. 2 is the logical diagram that nuclear power station emergency diesel-oil machine of the present invention adds the system embodiment one that unloads steam turbine equipment, this system comprises control module 10, loading processing module 20, priority processing module 30 and switch-board 40, wherein, control module 10 is arranged in the safe level DCS rack, loading processing module 20, priority processing module 30 and switch-board 40 are arranged in the non-security level TCS rack, and, control module 10 is used for receiving and being treated to the unloader signal that each steam turbine equipment produces switching value, then the unloader signal after processing to the output of non-security level TCS rack, described unloader signal is used for generating the pass command signal, preferably, control module 10 is according to the significance level of capacity and the different steam turbine equipments of emergency diesel-oil machine, for each steam turbine equipment arranges the unloader signal of different time length, and unloader signal is linked in the DCS rack by hardwire; Loading processing module 20 is used for that described unloader signal is carried out load logic to be processed, and opens command signal with generation; Priority processing module 30 is used for described pass command signal and the described command signal of opening are closed the instruction priority processing; Switch-board 40 is used for according to opening command signal and closing the start and stop that command signal is controlled steam turbine equipment after the priority processing.
Implement this technical scheme, because the control module in the safe level DCS rack receives and processes the unloader signal that LHA produces for each steam turbine equipment, then in non-security level TCS rack, carry out load logic by the mode of software and process and close the priority logic processing, and opening command signal and closing command signal after the generation processing, export opening command signal and closing command signal after this priority processing to switch-board at last, to control the steam turbine equipment start and stop of non-security level.Therefore, scheme compared to existing technology, safe level DCS rack and non-security level TCS cubicle interface are simple, have reduced potential system failure point, and, use non-security grade of TCS system to control the steam turbine equipment of non-security level, also reduced the design cost of system.
Fig. 3 is the logical diagram that nuclear power station emergency diesel-oil machine of the present invention adds the system embodiment two that unloads steam turbine equipment, this embodiment compares embodiment shown in Figure 2, difference is: embodiment shown in Figure 2 is applicable to need not to judge the start and stop state of steam turbine equipment before normal bus dead electricity, then at once steam turbine equipment is loaded as long as unloader signal disappears.And embodiment shown in Figure 3 is applicable to need to judge the start and stop state of steam turbine equipment before normal bus dead electricity.In the present embodiment, steam turbine equipment also is sent to operating state signal loading processing module 20, and loading processing module 20 is carried out load logic to unloader signal and processed according to the operating state signal of steam turbine equipment.
Preferably, for guaranteeing to add the reliability of unloading, control module is two identical unloader signal of each steam turbine equipment output, these two unloader signal are redundant each other, at this moment, this nuclear power station emergency diesel-oil machine adds the system that unloads steam turbine equipment and also comprises: be arranged on the logical OR processing module in the non-security level TCS rack, this logical OR processing module is carried out logical OR for the unloader signal of the redundancy that control module is exported and is processed, and export result to the loading processing module, can guarantee like this reliability of unloader signal.
Fig. 4 is the logical diagram that nuclear power station emergency diesel-oil machine of the present invention adds the system embodiment three that unloads steam turbine equipment, this embodiment is applicable to need not to judge the start and stop state of steam turbine equipment before normal bus dead electricity, specific as follows: in safe level DCS rack, control module 10 is the unloader signal of steam turbine equipment port redundancy, and this unloader signal is for exporting non-security level TCS rack to by digital interface.In non-security level TCS rack, the unloader signal of these two redundancies is exported the unloader signal after processing after logical OR processing module 50 is carried out the logical OR processing.This unloader signal is used for generating closes command signal, and simultaneously, in loading processing module 20, unloader signal after logic NOT processing unit and delay unit processing, generates and opens command signal successively.Then, in priority processing module 30, open the first input end that command signal exports the logical and processing unit to, close command signal exports the logical and processing unit to after the logic NOT processing unit processes the second input end, command signal is opened in the output terminal output of this logical and processing unit.At last, opening command signal and closing command signal after the priority processing exports switch-board 40 to by corresponding digital interface, and switch-board 40 is according to opening command signal and closing the start and stop that command signal is controlled steam turbine equipment after the priority processing.
Fig. 5 is the logical diagram that nuclear power station emergency diesel-oil machine of the present invention adds the system embodiment four that unloads steam turbine equipment, this embodiment is applicable to need to judge the start and stop state of steam turbine equipment before normal bus dead electricity, specific as follows: at first explanation is, after normal bus dead electricity, steam turbine equipment is stopped transport immediately, but its running status is still effective, because only electrical source of power loses, the control power supply still exists, so running status does not change.In addition, also it should be noted that, the logical organization of control module 10, logical OR processing module 50, priority processing module 30 and switch-board 40 among the control module 10 of this embodiment, logical OR processing module 50, priority processing module 30 and switch-board 40 and the embodiment shown in Figure 4 is identical, do not do at this and to give unnecessary details, below loading processing module 20 only is described.In the loading processing module 20 of this embodiment, unloader signal exports the first input end of the first logical and processing unit to, the operating state signal of steam turbine equipment exports the second input end of the first logical and processing unit to after delay unit is processed, the operating state signal of steam turbine equipment exports the first input end of the second logical and processing unit to, unloader signal exports the second input end of the second logical and processing unit to after the logic NOT processing unit processes, the output terminal of the first logical and processing unit is connected to the S end of rest-set flip-flop, the output terminal of described the second logical and processing unit is connected to the R end of rest-set flip-flop, and command signal is opened in the output terminal output of rest-set flip-flop.
Fig. 6 is that nuclear power station emergency diesel-oil machine of the present invention adds the sequential chart that unloads steam turbine equipment, in conjunction with Fig. 5, the below specifies nuclear power station emergency diesel-oil machine and adds the process that unloads steam turbine equipment: after normal bus dead electricity, steam turbine equipment is stopped transport immediately, but its running status is still effective, shown in line A.Then, the emergency diesel-oil machine prepare to start, from after the bus dead electricity to the ready maximum permission time of emergency diesel-oil machine be t2.After the output voltage of emergency diesel-oil machine and frequency reach normal value, mean that namely the emergency diesel-oil machine is ready, unloader signal begins effectively (signal length is t3), tripping normal load switch, the steam turbine equipment running status disappears simultaneously, shown in line B.Behind the appearance of normal load switch cut-off signal and time-delay t1, emergency diesel-oil machine outlet on-load switch is closed, and busbar voltage is recovered, shown in line C.After unloader signal disappeared, unloaded steam turbine equipment was loaded again, shown in line D.
Fig. 7 is the process flow diagram that nuclear power station emergency diesel-oil machine of the present invention adds the embodiment of the method one that unloads steam turbine equipment, and this nuclear power station emergency diesel-oil machine adds the method that unloads steam turbine equipment and comprises:
A. be arranged on control module in the safe level DCS rack and receive and process LHA and produce unloader signal for each steam turbine equipment, and the unloader signal after processing to the output of non-security level TCS rack, described unloader signal is used for generating the pass command signal;
B. the loading processing module that is arranged in the non-security level TCS rack is carried out the load logic processing to described unloader signal, opens command signal with generation;
C. the priority processing module that is arranged in the non-security level TCS rack is closed the instruction priority processing to described pass command signal and the described command signal of opening;
D. be arranged on switch-board in the non-security level TCS rack opening command signal and closing the start and stop of command signal control steam turbine equipment after according to priority processing.
Preferably, in steps A, control module arranges the unloader signal of different time length according to the significance level of capacity and the different steam turbine equipments of emergency diesel-oil machine for each steam turbine equipment.
Preferably, in step B, the loading processing module is carried out load logic to unloader signal and is processed according to the operating state signal of steam turbine equipment.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.
Claims (10)
1. a nuclear power station emergency diesel-oil machine adds the system that unloads steam turbine equipment, it is characterized in that, comprising:
Be arranged on the control module in the safe level DCS rack, be used for receive and process the unloader signal that LHA produces for each steam turbine equipment, and the unloader signal after processing to the output of non-security level TCS rack, described unloader signal is used for generating the pass command signal;
Be arranged on the loading processing module in the non-security level TCS rack, be used for that described unloader signal is carried out load logic and process, open command signal with generation;
Be arranged on the priority processing module in the non-security level TCS rack, be used for described pass command signal and the described command signal of opening are closed the instruction priority processing; And
Be arranged on the switch-board in the non-security level TCS rack, be used for according to opening command signal and closing the start and stop that command signal is controlled steam turbine equipment after the priority processing.
2. nuclear power station emergency diesel-oil machine according to claim 1 adds the system that unloads steam turbine equipment, it is characterized in that, described loading processing module is carried out load logic to described unloader signal and processed according to the operating state signal of steam turbine equipment.
3. nuclear power station emergency diesel-oil machine according to claim 1 adds the system that unloads steam turbine equipment, it is characterized in that, described loading processing module comprises the first logic NOT processing unit and delay unit, and, described unloader signal after the first logic NOT processing unit and delay unit processing, generates and opens command signal successively.
4. nuclear power station emergency diesel-oil machine according to claim 2 adds the system that unloads steam turbine equipment, it is characterized in that, described loading processing module comprises the first logical and processing unit, the second logical and processing unit, the second logic NOT processing unit, delay unit, rest-set flip-flop, wherein, described unloader signal exports the first input end of the first logical and processing unit to, the operating state signal of described steam turbine equipment exports the second input end of the first logical and processing unit to after described delay unit is processed, the operating state signal of described steam turbine equipment exports the first input end of the second logical and processing unit to, described unloader signal exports the second input end of the second logical and processing unit to after described the second logic NOT processing unit processes, the output terminal of described the first logical and processing unit is connected to the S end of rest-set flip-flop, the output terminal of described the second logical and processing unit is connected to the R end of rest-set flip-flop, and command signal is opened in the output terminal output of described rest-set flip-flop.
According to claim 3 or 4 described nuclear power station emergency diesel-oil machines add the system that unloads steam turbine equipment, it is characterized in that, the priority processing module comprises the 3rd logic NOT processing unit and the 3rd logical and processing unit, and, described loading processing module generates opens the first input end that command signal exports the 3rd logical and processing unit to, described pass command signal exports the second input end of the 3rd logical and processing unit to after described the 3rd logic NOT processing unit processes, the command signal of opening after the instruction priority processing is closed in the output of the output terminal of described the 3rd logical and processing unit.
6. nuclear power station emergency diesel-oil machine according to claim 1 adds the system that unloads steam turbine equipment, it is characterized in that, described control module arranges the unloader signal of different time length according to the significance level of capacity and the different steam turbine equipments of emergency diesel-oil machine for each steam turbine equipment.
7. nuclear power station emergency diesel-oil machine according to claim 1 adds the system that unloads steam turbine equipment, it is characterized in that, described control module receives and the unloader signal of the redundancy that processing LHA produces for each steam turbine equipment;
Described nuclear power station emergency diesel-oil machine adds the system that unloads steam turbine equipment and also comprises:
Be arranged on the logical OR processing module in the non-security level TCS rack, carry out logical OR for the unloader signal of the redundancy that described control module is exported and process, and export result to described loading processing module.
8. a nuclear power station emergency diesel-oil machine adds the method that unloads steam turbine equipment, it is characterized in that, comprising:
A. the control module that is arranged in the safe level DCS rack receives and processes the unloader signal that LHA produces for each steam turbine equipment, and the unloader signal after processing to the output of non-security level TCS rack, and described unloader signal is used for generating the pass command signal;
B. the loading processing module that is arranged in the non-security level TCS rack is carried out the load logic processing to described unloader signal, opens command signal with generation;
C. the priority processing module that is arranged in the non-security level TCS rack is closed the instruction priority processing to described pass command signal and the described command signal of opening;
D. be arranged on switch-board in the non-security level TCS rack opening command signal and closing the start and stop of command signal control steam turbine equipment after according to priority processing.
9. nuclear power station emergency diesel-oil machine according to claim 8 adds the method that unloads steam turbine equipment, it is characterized in that, in described steps A, control module arranges the unloader signal of different time length according to the significance level of capacity and the different steam turbine equipments of emergency diesel-oil machine for each steam turbine equipment.
10. nuclear power station emergency diesel-oil machine according to claim 8 adds the method that unloads steam turbine equipment, it is characterized in that, in described step B, the loading processing module is carried out load logic to described unloader signal and processed according to the operating state signal of steam turbine equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210507353.1A CN103000241B (en) | 2012-12-03 | 2012-12-03 | A kind of nuclear power station Emergency diesel adds the system and method for unloading steam turbine equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210507353.1A CN103000241B (en) | 2012-12-03 | 2012-12-03 | A kind of nuclear power station Emergency diesel adds the system and method for unloading steam turbine equipment |
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| CN103000241A true CN103000241A (en) | 2013-03-27 |
| CN103000241B CN103000241B (en) | 2015-09-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109212342A (en) * | 2017-07-06 | 2019-01-15 | 中国船舶重工集团公司第七研究所 | A kind of detection circuit for frequency converter |
| CN111063466A (en) * | 2018-10-30 | 2020-04-24 | 中广核研究院有限公司 | Emergency diesel generator set of nuclear power plant and method for prolonging emergency starting time of emergency diesel generator set |
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| JPS6232393A (en) * | 1985-08-05 | 1987-02-12 | 株式会社日立製作所 | Turbine controller for nuclear reactor plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109212342A (en) * | 2017-07-06 | 2019-01-15 | 中国船舶重工集团公司第七研究所 | A kind of detection circuit for frequency converter |
| CN109212342B (en) * | 2017-07-06 | 2020-12-15 | 中国船舶重工集团公司第七一一研究所 | Detection circuit for frequency converter |
| CN111063466A (en) * | 2018-10-30 | 2020-04-24 | 中广核研究院有限公司 | Emergency diesel generator set of nuclear power plant and method for prolonging emergency starting time of emergency diesel generator set |
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| Publication number | Publication date |
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| CN103000241B (en) | 2015-09-23 |
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Address after: 518023 No. 69 Shennan Middle Road, Shenzhen, Guangdong, Futian District Co-patentee after: CHINA GENERAL NUCLEAR POWER Corp. Patentee after: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. Address before: 518023 No. 69 Shennan Middle Road, Shenzhen, Guangdong, Futian District Co-patentee before: CHINA GUANGDONG NUCLEAR POWER GROUP Co.,Ltd. Patentee before: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. |