CN203056682U - Power plant black-start special-purpose diesel generating set and control system thereof - Google Patents
Power plant black-start special-purpose diesel generating set and control system thereof Download PDFInfo
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- CN203056682U CN203056682U CN2012206535622U CN201220653562U CN203056682U CN 203056682 U CN203056682 U CN 203056682U CN 2012206535622 U CN2012206535622 U CN 2012206535622U CN 201220653562 U CN201220653562 U CN 201220653562U CN 203056682 U CN203056682 U CN 203056682U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The utility model discloses a power plant black-start special-purpose diesel generating set and a control system thereof. The power plant black-start special-purpose diesel generating set a security segment which is formed by A and B segment stand-by power sources and can be connected with a commercial power main bus, and a diesel generating set which can be connected in parallel with the security segment for operation and has an electronic speed regulation and oil injection device, wherein a set control module is further arranged, a first input end of the set control module is connected with a PLC control module through the bus, a second input end of the set control module is connected with a condition parameter detection output end of the diesel generating set, a third input end of the set control module is connected with an output end of a DCS control chamber of a remote control start-stop machine, one output end of the set control module is connected with an input end of the DCS control chamber, the other output end of the set control module is connected with diesel generating set, an input end of the PLC control module is connected with an electrical network, and an output end of the PLC control module is connected with the DCS control chamber. The power plant black-start special-purpose diesel generating set can realize manual or rapid self-start parallel connection with the power source security segment for operation and has advantages of automatic control, acousto-optic alarm, remote manual start and loaded stable operation.
Description
Technical field
The utility model belongs to the standby diesel generating set of power plant, particularly black special-purpose diesel generating set and the control system thereof of starting of a kind of power plant.
Background technology
The black startup of power plant refers to that all units of power plant all trip, under the situation that the AC and DC power supply all disappears, by the unit of self-startup ability is arranged, as the startup of diesel generating set, the generating set that drives no self-startup ability recovers to send to system the processing procedure of electricity.Diesel engine generator has clear superiority as rapid, easy to maintenance, stable, the reliable independent current source of a kind of startup as the black starting device of power plant, is very suitable selection.Fast development along with economy in the world wide and living standard in recent years improves, and electricity needs increases rapidly, and a large amount of power plant put into operation and numerous power plant transforms, and the domestic and international market increases just year by year to the black demand that starts special-purpose diesel generating set of power plant.The design has finished black special-purpose diesel generating set and the control system thereof of starting of a kind of power plant at above demand, existing diesel generating set all works alone, or replenishing as electrical network, and the power source that the main generator group when failing to be applied to all units of power plant and all tripping resets automatically, and on the other hand, but can only be closed a floodgate by manual operation when power plant's main generator group all trips.
For example Chinese patent application numbers 200920146208.9, name is called the utility model patent of " diesel generating set intelligence control system ", disclose a kind of diesel generating set intelligence control system, comprise diesel generating set, power supply circuits, standby civil power electrical source of power and a control cubicle.Power supply circuits comprise at least 2 group emergency power supplies, and electrical source of power comprises at least 2 group stand-by power supplies, and control cubicle comprises PLC Programmable Logic Controller and coupled detecting signal unit, emergency power supply control unit and diesel-generator set control unit.This utility model is only considered the control of diesel generating set itself, and resetting automatically when all tripping for power plant's main generator group fails to provide solution.
Summary of the invention
The utility model technical issues that need to address are, the defective that lacks the counter-measure that resets automatically when the power plant's main generator group that overcomes prior art all trips, provide a kind of by the unit of self-startup ability is arranged, the generating set that drives no self-startup ability recovers to send to system the device control system of machine of electricity.
The purpose of this utility model is achieved by following technical proposals:
OnePlant black special-purpose diesel generating set and the control system thereof of starting of power plant; comprise can link to each other with the civil power main bus bar by A; security personnel's section that B section stand-by power supply constitutes; and the diesel generating set with electronic speed regulation and fueling injection equipment that can incorporate security personnel's section operation power supply into; be provided with the unit control module; first input of unit control module is connected with the PLC control module by bus; second input of unit control module detects output with the duty parameter of diesel generating set and is connected; the 3rd input of unit control module and the DCS(Distributed Control Sys2tem of Long-distance Control start and stop) output in control room is connected; the unit control module has an output to be connected with the input in DCS control room; another output of unit control module is connected with diesel generating set; the input of PLC (Programmable Logic Controller) control module is connected with electrical network, and the output of PLC control module is connected with the DCS control room.
As preferably, the flow process of PLC control module is as follows: control system is in auto state; Record A section and B section dead electricity, owner's enabling signal and civil power inlet wire sub-gate signal successively by the civil power monitoring, start three diesel engine generators, A section and B section outlet breaker closing are powered to A section and B section then; Main bus bar is in to be had under the electricity condition, and diesel generating set and A section are incorporated into the power networks, and namely A section city electrical circuit breakers (being called A section civil power lead-in circuit breaker again) closes a floodgate, and learns that after tested main bus bar has electricity, then A section outlet breaker open operation; Then diesel generating set and B section are incorporated into the power networks, and namely B section city electrical circuit breakers (being called B section civil power lead-in circuit breaker again) closes a floodgate, and learns that after tested main bus bar has electricity, and then B section outlet breaker open operation is controlled compressor emergency shutdown by the unit control module at last.
As preferably, diesel generating set is provided with manual and quick self-starting device, self-starting device is provided with the unit band that can regularly carry out idling lotus firing test and load carrying test and carries experimental rig fast, the unit band carries experimental rig and comprises that the computer program when cutting off the power supply at main bus bar confirms and send the device of diesel generating set self-starting signal automatically, and is provided with the acoustic-optic alarm and the DCS control room that start failure at diesel generating set and directly carries out the manually actuated device in a distant place.Diesel engine generator self-starting logic: during security personnel's section main power source decompression, automatic closing, unsuccessful as if hauling oneself willingly into, diesel engine generator starts security personnel's section bus operation of incorporating decompression into automatically, plays security personnel's effect.
The program that described unit band carries test is: select A section or B section and long-range band to carry startup, again three diesel engine generators started and be incorporated into the power networks, then with the outlet breaker closing of A section or B section, after test finishes with the diesel generating set off-load and shut down.
As preferably, diesel generating set comprises by 3 diesel engine generators with being connected of security personnel's section and being connected in parallel with following two-way circuit by the interlocking switch BK1 of power backup branch～3 respectively again: wherein first via circuit is connected with the power plant main bus bar by A section outlet circuit breaker and A section civil power lead-in circuit breaker and by the high pressure spare transformer; The second road circuit is connected with the power plant main bus bar by B section outlet circuit breaker and B section civil power lead-in circuit breaker and by the high pressure spare transformer; Be parallel with transformer and voltage transformer pt 0 on the connecting circuit of the interlocking switch BK1 of power backup branch～3 and A section outlet circuit breaker and B section outlet circuit breaker, be parallel with voltage transformer pt 1 on the connecting circuit of A section outlet circuit breaker and A section civil power lead-in circuit breaker, also be parallel with voltage transformer pt 1 on the connecting circuit of B section outlet circuit breaker and B section civil power lead-in circuit breaker; Be parallel with voltage transformer pt on power plant's main bus bar.
As preferably, send the startup frequency of failure that starts failure sound and light alarm signal because self-starting is unsuccessful and be set at 3 times.
As preferably, the floating voltage setting range of diesel generating set is made as 95 %～105% Ur, the sinusoidal aberration rate of line voltage waveform is made as ± 1.2 % between, the steady state voltage regulation is made as≤± 0.5 %, the dynamic electric voltage regulation is made as≤± 10 %, and load capability is more than or equal to 50 % of rated power first.
The beneficial effects of the utility model are:
1, when security personnel's section active and standby power supply switch breaks down, diesel engine generator can start incorporates security personnel's section operation into, and the section that guarantees to ensure public security can not have a power failure and carry out breakdown switch isolation maintenance;
2, diesel generating set is provided with manual and quick self-starting device;
3, the device of diesel generating set self-starting signal is confirmed and sent to computer program automatically;
4, be provided with at the acoustic-optic alarm that starts failure;
5, the DCS control room is established and is directly carried out the manually actuated device in a distant place.
Description of drawings
Fig. 1 is the system principle block diagram of a kind of embodiment of the utility model;
Fig. 2 is the flow chart of the utility model PLC control module 3;
Fig. 3 is the flow chart that the unit band carries test;
Fig. 4 is the catenation principle figure between diesel generating set and the main bus bar.
Among the figure, diesel generating set 1; Unit control module 2; PLC control module 3; A section outlet circuit breaker 31; B section outlet circuit breaker 32; A section city electrical circuit breakers 33; B section city electrical circuit breakers 34; DCS control room 4; Electrical network 5; Main bus bar 6; High pressure spare transformer 7; Transformer 8; Voltage transformer pt 0; Voltage transformer pt 1; Voltage transformer pt; Diesel engine generator G1, G2, G3.
Embodiment
Below in conjunction with accompanying drawing and specific embodiments the utility model is further described.
Embodiment: as shown in Figure 1,
OnePlant black special-purpose diesel generating set and the control system thereof of starting of power plant; comprise can link to each other with civil power main bus bar 6 by A; security personnel's section that B section stand-by power supply constitutes; and the diesel generating set with electronic speed regulation and fueling injection equipment 1 that can incorporate security personnel's section operation power supply into; be provided with unit control module 2; first input of unit control module 2 is connected with PLC control module 3 by bus; second input of unit control module 2 detects output with the duty parameter of diesel generating set 1 and is connected; the 3rd input of unit control module 2 and the DCS(Distributed Control Sys2tem of Long-distance Control start and stop) output in control room 4 is connected; unit control module 2 has an output to be connected with the input in DCS control room 4; another output of unit control module 2 is connected with diesel generating set 1; the input of PLC (Programmable Logic Controller) control module 3 is connected with electrical network 5, and the output of PLC control module 3 is connected with DCS control room 4.
The flow process of PLC control module 3 is as follows: control system is in auto state; When recording A section and B section dead electricity, owner's enabling signal and civil power inlet wire sub-gate signal successively by the civil power monitoring, then start three diesel engine generator G1, G2, G3 according to the separating brake feedback signal, then A section outlet circuit breaker 31 and B section outlet circuit breaker 32 are closed a floodgate, to A section and the power supply of B section; Have under the electricity condition when main bus bar 6 is in, diesel generating set and A section are incorporated into the power networks, be about to A section city electrical circuit breakers 33 and close a floodgate, learn that after tested main bus bar has electricity, then with A section outlet circuit breaker 31 separating brakes; Then diesel generating set and B section are incorporated into the power networks; being about to B section city electrical circuit breakers 34 closes a floodgate; learn that after tested main bus bar has; then with B section outlet breaker open operation, shut down by unit control module 2 control diesel generating sets 1 at last, unattended under the diesel generating set normal condition; because unit has electronic speed regulation and fueling injection equipment; stabilization of speed, the reaction time is short, dynamic property good, self-starting fast, and diesel engine generator is self-starting after 3～6 s computer programs are confirmed automatically.The flow process of PLC control module 3 as shown in Figure 2.
Diesel generating set 1 is provided with manual and quick self-starting device, self-starting device is provided with the unit band that can regularly carry out idling lotus firing test and load carrying test and carries experimental rig fast, the unit band carries experimental rig and comprises that the computer program when cutting off the power supply at main bus bar confirms and send the device of diesel generating set self-starting signal automatically, and is provided with the acoustic-optic alarm and the DCS control room that start failure at diesel generating set and directly carries out the manually actuated device in a distant place.Diesel engine generator self-starting logic: during security personnel's section main power source decompression, automatic closing, unsuccessful as if hauling oneself willingly into, diesel engine generator starts security personnel's section bus operation of incorporating decompression into automatically, plays security personnel's effect; Diesel generating set is full-load run 12 h continuously, and can bear 1.1 times of generator rated capacity cumulative times of capability of overload is 1 h; When security personnel's section active and standby power supply switch broke down, diesel engine generator can start incorporated security personnel's section operation into, thereby the section that guarantees to ensure public security is not carried out breakdown switch isolation maintenance under the power-off condition.
The flow process that the unit band carries test is summarised as: select A section or B section and long-range band to carry startup; again three diesel engine generator G1～3 are started and be incorporated into the power networks; then A section outlet circuit breaker 31 or B section outlet circuit breaker 32 are closed a floodgate, after test finishes diesel generating set 1 off-load is also shut down.The flow process that the unit band carries test as shown in Figure 3.
Diesel generating set 1 comprises by 3 diesel engine generator G1～3 with being connected of security personnel section and being connected in parallel with following two-way circuit by the interlocking switch BK1 of power backup branch～3 respectively again: wherein first via circuit is connected with power plant main bus bar 6 by A section outlet circuit breaker 31 and A section civil power lead-in circuit breaker 33 and by high pressure spare transformer 7; The second road circuit is connected with power plant main bus bar 6 by B section outlet circuit breaker 32 and B section civil power lead-in circuit breaker 34 and by high pressure spare transformer 7; Be parallel with transformer 8 and voltage transformer pt 0 on the connecting circuit of the interlocking switch BK1 of power backup branch～3 and A section outlet circuit breaker 31 and B section outlet circuit breaker 32, be parallel with voltage transformer pt 1 on the connecting circuit of A section outlet circuit breaker 31 and A section city electrical circuit breakers 33, also be parallel with voltage transformer pt 1 on the connecting circuit of B section outlet circuit breaker 32 and B section city electrical circuit breakers 34; Be parallel with voltage transformer pt on power plant's main bus bar.
Catenation principle between diesel generating set and the main bus bar as shown in Figure 4.
Sending the startup frequency of failure that starts failure sound and light alarm signal is set at 3 times.
The floating voltage setting range of diesel generating set 1 is made as 95 %～105% Ur, the sinusoidal aberration rate of line voltage waveform is made as ± 1.2 % between, the steady state voltage regulation is made as≤± 0.5 %, and the dynamic electric voltage regulation is made as≤± 10 %, and load capability is more than or equal to 50 % of rated power first.
The utility model can be when the active and standby power supply switch of electrical network security personnel section breaks down, diesel generating set can manual or quick self-starting be incorporated the operation of security personnel's section into, have that automatic control, sound and light alarm, a distant place manually start, the advantage of on-load stable operation, if those skilled in the art does simple the modification or replacement to the foregoing invention content, such change can not think to break away from scope of the present utility model, and all will be included within the scope of claim of the present utility model the apparent modification of those skilled in the art like this.
Claims (1)
1.
OnePlant black special-purpose diesel generating set and the control system thereof of starting of power plant; comprise can link to each other with the civil power main bus bar by A; security personnel's section that B section stand-by power supply constitutes; and the diesel generating set with electronic speed regulation and fueling injection equipment that can incorporate security personnel's section operation power supply into; it is characterized in that; be provided with the unit control module; first input of unit control module is connected with the PLC control module by bus; second input of unit control module detects output with the duty parameter of diesel generating set and is connected; the 3rd input of unit control module is connected with the output in the DCS control room of Long-distance Control start and stop; the unit control module has an output to be connected with the input in DCS control room; another output of unit control module is connected with diesel generating set; the input of PLC control module is connected with electrical network, and the output of PLC control module is connected with the DCS control room.
2. black special-purpose diesel generating set and the control system thereof of starting of power plant according to claim 1, it is characterized in that, diesel generating set is provided with manual and quick self-starting device, self-starting device is provided with the unit band that can regularly carry out idling lotus firing test and load carrying test and carries experimental rig fast, the unit band carries experimental rig and comprises that the computer program when cutting off the power supply at main bus bar confirms and send the device of diesel generating set self-starting signal automatically, and is provided with the acoustic-optic alarm and the DCS control room that start failure at diesel generating set and directly carries out the manually actuated device in a distant place.
3. black special-purpose diesel generating set and the control system thereof of starting of power plant according to claim 2, it is characterized in that diesel generating set comprises by 3 diesel engine generators with being connected of security personnel section and being connected in parallel with following two-way circuit by the interlocking switch BK1 of power backup branch～3 respectively again: wherein first via circuit is connected with the power plant main bus bar by A section outlet circuit breaker and A section civil power lead-in circuit breaker and by the high pressure spare transformer; The second road circuit is connected with the power plant main bus bar by B section outlet circuit breaker and B section civil power lead-in circuit breaker and by the high pressure spare transformer; Be parallel with transformer and voltage transformer pt 0 on the connecting circuit of the interlocking switch BK1 of power backup branch～3 and A section outlet circuit breaker and B section outlet circuit breaker, be parallel with voltage transformer pt 1 on the connecting circuit of A section outlet circuit breaker and A section civil power lead-in circuit breaker, also be parallel with voltage transformer pt 1 on the connecting circuit of B section outlet circuit breaker and B section civil power lead-in circuit breaker; Be parallel with voltage transformer pt on power plant's main bus bar.
4. black special-purpose diesel generating set and the control system thereof of starting of power plant according to claim 3, it is characterized in that, send the startup frequency of failure that starts failure sound and light alarm signal because self-starting is unsuccessful and be set at 3 times.
5. black special-purpose diesel generating set and the control system thereof of starting of power plant according to claim 3, it is characterized in that, the floating voltage setting range of diesel generating set is made as 95 %～105% Ur, the sinusoidal aberration rate of line voltage waveform is made as ± 1.2 % between, the steady state voltage regulation is made as≤± 0.5 %, the dynamic electric voltage regulation is made as≤± 10 %, and load capability is more than or equal to 50 % of rated power first.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206535622U CN203056682U (en) | 2012-12-03 | 2012-12-03 | Power plant black-start special-purpose diesel generating set and control system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012206535622U CN203056682U (en) | 2012-12-03 | 2012-12-03 | Power plant black-start special-purpose diesel generating set and control system thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065065A (en) * | 2014-07-16 | 2014-09-24 | 福建省电力勘测设计院 | Method for utilizing black-start diesel generator to be doubled as safety source diesel generator |
| CN104579062A (en) * | 2014-12-08 | 2015-04-29 | 武汉科创源科技有限公司 | Low-voltage generator black start excitation device |
| CN105242145A (en) * | 2015-10-28 | 2016-01-13 | 河南开启电力实业有限公司 | Power quality monitoring and early-warning device |
| CN105846548A (en) * | 2016-06-16 | 2016-08-10 | 上海科泰电源股份有限公司 | Power plant black start dedicated diesel generating set remote monitoring system |
| CN109149763A (en) * | 2018-09-27 | 2019-01-04 | 江苏瑞昌哥尔德发电设备股份有限公司 | A kind of generating set self-starting intelligence control system |
| CN110011353A (en) * | 2019-03-19 | 2019-07-12 | 上海唐银投资发展有限公司 | A kind of parallel operation control system and method for diesel-driven generator power supply-distribution system |
| CN110056437A (en) * | 2019-04-24 | 2019-07-26 | 南京泰润电力工程有限公司 | A kind of starting method of diesel-driven generator |
| CN112803482A (en) * | 2021-02-25 | 2021-05-14 | 中国五环工程有限公司 | Automatic start-stop and load control system and control method for diesel generating set |
| CN113555898A (en) * | 2021-07-12 | 2021-10-26 | 北京华鼎电源集团有限公司 | Island black start mode of high-voltage gas generator set |
| CN116398349A (en) * | 2023-03-07 | 2023-07-07 | 华能南京燃机发电有限公司 | Power plant black start diesel engine with quick plug-in power |
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2012
- 2012-12-03 CN CN2012206535622U patent/CN203056682U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065065A (en) * | 2014-07-16 | 2014-09-24 | 福建省电力勘测设计院 | Method for utilizing black-start diesel generator to be doubled as safety source diesel generator |
| CN104579062A (en) * | 2014-12-08 | 2015-04-29 | 武汉科创源科技有限公司 | Low-voltage generator black start excitation device |
| CN104579062B (en) * | 2014-12-08 | 2017-04-05 | 武汉科创源科技有限公司 | Low voltage generator black starting-up excitation unit |
| CN105242145A (en) * | 2015-10-28 | 2016-01-13 | 河南开启电力实业有限公司 | Power quality monitoring and early-warning device |
| CN105846548A (en) * | 2016-06-16 | 2016-08-10 | 上海科泰电源股份有限公司 | Power plant black start dedicated diesel generating set remote monitoring system |
| CN109149763A (en) * | 2018-09-27 | 2019-01-04 | 江苏瑞昌哥尔德发电设备股份有限公司 | A kind of generating set self-starting intelligence control system |
| CN110011353A (en) * | 2019-03-19 | 2019-07-12 | 上海唐银投资发展有限公司 | A kind of parallel operation control system and method for diesel-driven generator power supply-distribution system |
| CN110011353B (en) * | 2019-03-19 | 2022-12-27 | 上海唐银投资发展有限公司 | Parallel operation control system and method for diesel generator power supply and distribution system |
| CN110056437A (en) * | 2019-04-24 | 2019-07-26 | 南京泰润电力工程有限公司 | A kind of starting method of diesel-driven generator |
| CN110056437B (en) * | 2019-04-24 | 2022-03-11 | 南京泰润电力工程有限公司 | Starting method of diesel generator |
| CN112803482A (en) * | 2021-02-25 | 2021-05-14 | 中国五环工程有限公司 | Automatic start-stop and load control system and control method for diesel generating set |
| CN113555898A (en) * | 2021-07-12 | 2021-10-26 | 北京华鼎电源集团有限公司 | Island black start mode of high-voltage gas generator set |
| CN113555898B (en) * | 2021-07-12 | 2023-10-24 | 北京华鼎电源集团有限公司 | Island black starting method of high-pressure gas generator set |
| CN116398349A (en) * | 2023-03-07 | 2023-07-07 | 华能南京燃机发电有限公司 | Power plant black start diesel engine with quick plug-in power |
| CN116398349B (en) * | 2023-03-07 | 2023-12-08 | 华能南京燃机发电有限公司 | Power plant black start diesel engine with quick plug-in power |
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