CN203933152U - Power plant's black startup diesel engine unit control system - Google Patents
Power plant's black startup diesel engine unit control system Download PDFInfo
- Publication number
- CN203933152U CN203933152U CN201420050868.8U CN201420050868U CN203933152U CN 203933152 U CN203933152 U CN 203933152U CN 201420050868 U CN201420050868 U CN 201420050868U CN 203933152 U CN203933152 U CN 203933152U
- Authority
- CN
- China
- Prior art keywords
- diesel engine
- station
- engine unit
- distribution bus
- control system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Abstract
The utility model relates to a kind of power plant black startup diesel engine unit control system, comprises black startup diesel engine unit: black startup diesel engine unit is arranged in whole diesel engine unit control system, as the stand-by power supply of whole diesel engine unit control system; Black startup diesel engine unit connects respectively the first station-service distribution bus and the second station-service distribution bus, and the first station-service distribution bus and the second station-service distribution bus are all connected in same load distribution bus-bar; The first station-service distribution bus and the second station-service distribution bus close with the first station-service network transformer and the second station-service electrical network matched transformer respectively.The utility model whole system because of fault outage after, do not rely on the help of other electrical network, by thering is the startup of self-startup ability unit in system, drive the unit of non self starting, expand gradually the power transmission range of system, finally recover the process of whole system power supply.
Description
Technical field
The utility model belongs to generator set control technical field, be specifically related to a kind of unexpected factor to the considerable damage of power plant's network system after, power plant's black startup diesel engine unit control system that can self-starting.
Background technology
In order to tackle as the considerable damage of other unexpected factors such as war, extraordinary serious natural calamities to power plant's network system, the design of black-start scheme is the important component part of power plant construction, to reply timely rapidly power supply capacity.
So-called black startup, after referring to that whole system is because of fault outage, does not rely on the help of other electrical network, by thering is the startup of self-startup ability unit in system, drive the unit of non self starting, expand gradually the power transmission range of system, finally recover the process of whole system power supply.
The black startup of power plant refers to that all units in power plant all trip, in the situation that AC and DC power supply all disappears, by there being the unit of self-startup ability, as the startup of diesel generating set, drive the generating set of non self starting to recover the processing procedure to system power transmission.Diesel engine generator, as rapid, easy to maintenance, stable, the reliable independent current source of a kind of startup, has clear superiority as the black starting device of power plant, is most suitable selection.
Fast development along with economy in 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 repowering, and domestic and international market increases just year by year to the demand of the special-purpose diesel generating set of the black startup of power plant.The utility model has completed the special-purpose diesel generating set of the black startup of a kind of power plant and control system thereof for above demand, existing diesel generating set all works alone, or supplementing as electrical network, and the power source that main generator group when failing to be applied to all units of power plant and all tripping resets automatically, and on the other hand, when power plant's main generator group all trips, but can only be closed a floodgate by manual operation.
Utility model content
For the problems referred to above, after main purpose of the present utility model is to provide a kind of unexpected factor to the considerable damage of power plant's network system, power plant's black startup diesel engine unit control system of energy self-starting.
The utility model solves above-mentioned technical problem by following technical proposals: a kind of power plant black startup diesel engine unit control system, described power plant black startup diesel engine unit control system comprises: black startup diesel engine unit: described black startup diesel engine unit is arranged in whole diesel engine unit control system, as the stand-by power supply of whole diesel engine unit control system.
Described black startup diesel engine unit connects respectively the first station-service distribution bus and the second station-service distribution bus, and the first station-service distribution bus and the second station-service distribution bus are all connected in same load distribution bus-bar.
Described the first station-service distribution bus and the second station-service distribution bus close with the first station-service network transformer and the second station-service electrical network matched transformer respectively.
In preferred embodiment of the present utility model, described black startup diesel engine unit is installed in machine room, by power cable ditch or crane span structure, is connected with supporting transformation and distribution system machine room.
In preferred embodiment of the present utility model, described black startup diesel engine unit comprises following components: DC supply unit, generating electrical parameters detection unit, civil power electrical parameters detection unit, input-output unit, grid-connected lock unit and load allocation units.
Positive progressive effect of the present utility model is: power plant's black startup diesel engine unit control system that the utility model provides has the following advantages: the utility model whole system because of fault outage after, do not rely on the help of other electrical network, by thering is the startup of self-startup ability unit in system, drive the unit of non self starting, expand gradually the power transmission range of system, finally recover the process of whole system power supply.
Accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present utility model.
Fig. 2 is the implementation structure schematic diagram of black startup diesel engine in the utility model.
Fig. 3 is black startup diesel engine unit control flow chart in the utility model.
Embodiment
Below in conjunction with accompanying drawing, provide the utility model preferred embodiment, to describe the technical solution of the utility model in detail.
Fig. 1 is general structure schematic diagram of the present utility model.As shown in Figure 1: the utility model comprises black startup diesel engine unit 1, black startup diesel engine unit 1 is arranged in whole diesel engine unit control system, as the stand-by power supply of whole diesel engine unit control system.
Black startup diesel engine unit 1 connects respectively the first station-service distribution bus 2 and the second station-service distribution bus 3, the first station-service distribution bus 2 and the second station-service distribution bus 3 and is all connected in same load distribution bus-bar 4.
The first station-service distribution bus 2 and the second station-service distribution bus 3 close with the first station-service network transformer and the second station-service electrical network matched transformer respectively.
In concrete field erected process, black startup diesel engine unit 1 is installed in machine room, by power cable ditch or crane span structure, is connected with supporting transformation and distribution system machine room.
Fig. 2 is the implementation structure schematic diagram of black startup diesel engine in the utility model.As shown in Figure 2: black startup diesel engine control system comprises as lower unit: DC supply unit, generating electrical parameters detection unit, civil power electrical parameters detection unit, input signal unit, grid-connected lock unit, load allocation units and relay output unit; Generating electrical parameters detection unit, civil power electrical parameters detection unit, input signal unit, grid-connected lock unit, load allocation units and relay output unit are all electrically connected to DC supply unit.
DC power supply of system unit: by high-performance maintenance free cell, DC power control loop, DC charging loop, circuit and switch connected system form, and the control loop that is mainly system provides DC power supply.
Generating detecting unit: detect the parameters such as power plant's black startup diesel engine unit alternator output voltage, electric current, active power, reactive power, apparent power; simultaneously according to the parameters that requires of system; when detection relevant parameter is abnormal, send corresponding warning message, relevant parameter sends stopping signal while exceeding shutdown value.
Civil power detecting unit: detect the parameters such as the security personnel of power plant section operating voltage, electric current, active power, reactive power, apparent power, simultaneously according to the parameters that requires of system, when detection relevant parameter is abnormal, send corresponding warning message, when relevant parameter exceeds, send unit starting and drop into signal.
And net unit major function detects the electrical quantity difference of the security personnel of power plant section and black startup diesel engine unit while being grid-connected flow process, comprise phase place, phase sequence, frequency, voltage parameter, when parameter does not meet grid-connected condition, system is sent speed governing and pressure regulation signal, until meet grid-connected requirement.
Load allocation units: can adjust frequency, the voltage of the black startup diesel engine unit of power plant according to security personnel's section loading demand, regulate to reach the object that active power is distributed and reactive power is distributed.
Below the system control logic of specific embodiment: (manual mode is example)
Black startup diesel engine unit has selector switch, can select the black startup power supply of the first or second combustion machine.The first combustion machine of take is example, and the condition that black startup diesel engine unit is controlled breaker closing is: the first distribution network bus no-voltage, the first typical transformer low-pressure side breaker open operation.
1. manually boot diesel engine unit;
2. diesel engine unit starts smoothly, and parameters is normally stable, closes a floodgate and controls CB05 breaker closing power transmission;
3. the first auxiliary bus bar is charged, and combustion machine auxiliary system starts, and starts combustion machine;
4. after the first combustion machine starts successfully, combined floodgate power transmission;
5. the first typical transformer low-pressure side is charged;
6. system detects the first typical transformer low-pressure side and the first auxiliary bus bar, carries out synchronous operation, controls CB04 breaker closing;
7. the first combustion machine parallel running is stable, after load smooth transfer, manually divides CB05, and diesel engine unit logs off;
8. diesel engine unit no-load running 1-5 minute, out of service;
Control flow, with reference to accompanying drawing 3.
The black start-up course summary of system: black startup diesel engine unit control system can be selected arbitrarily one of two-way distribution network, by a signal switch, the detection signal of two groups of electrical networks is switched.After meeting black startup diesel engine unit entry condition, black startup unit starts in scope at the appointed time, after stable output, controls corresponding distributor breaker combined floodgate power transmission to selected distribution network bus, drive corresponding auxiliary system operation, realize the object of this side network combustion machine operation.When firing machine feed to station-service low-pressure side, corresponding electrical quantity can be monitored and measure to black startup control system in real time, preparation enters the program same period, the controller Highgrade integration that this system configures, greatly simplified operation interface, inside is integrated synchronizer and sharing of load unit, to guarantee reliably grid-connected smoothly with station-service electrical network of black startup power supply, this control system can be carried out remote monitoring and system parameters is optimized by corresponding communication interface access HMI.After smoothly grid-connected, this control system can automatically realize load and shift stably, and releases network, cooling shut down.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall within the scope of claimed the utility model, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
- Syndeton in 1.Yi Zhong power plant black startup diesel engine unit control system, it is characterized in that: the syndeton in described power plant black startup diesel engine unit control system comprises: black startup diesel engine unit: described black startup diesel engine unit is arranged in whole diesel engine unit control system, as the stand-by power supply of whole diesel engine unit control system;Described black startup diesel engine unit connects respectively the first station-service distribution bus and the second station-service distribution bus, and the first station-service distribution bus and the second station-service distribution bus are all connected in same load distribution bus-bar;Described the first station-service distribution bus and the second station-service distribution bus close with the first station-service network transformer and the second station-service electrical network matched transformer respectively.
- 2. the syndeton in the black startup diesel engine unit of power plant according to claim 1 control system, is characterized in that: described black startup diesel engine unit is installed in machine room, by power cable ditch or crane span structure, is connected with supporting transformation and distribution system machine room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420050868.8U CN203933152U (en) | 2014-01-26 | 2014-01-26 | Power plant's black startup diesel engine unit control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420050868.8U CN203933152U (en) | 2014-01-26 | 2014-01-26 | Power plant's black startup diesel engine unit control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203933152U true CN203933152U (en) | 2014-11-05 |
Family
ID=51828907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420050868.8U Expired - Fee Related CN203933152U (en) | 2014-01-26 | 2014-01-26 | Power plant's black startup diesel engine unit control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203933152U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN117293999A (en) * | 2023-09-25 | 2023-12-26 | 云南储能有限公司 | Factory electricity recovery control method and device based on diesel generator |
| CN117293999B (en) * | 2023-09-25 | 2024-06-11 | 云南储能有限公司 | Factory electricity recovery control method and device based on diesel generator |
-
2014
- 2014-01-26 CN CN201420050868.8U patent/CN203933152U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN117293999A (en) * | 2023-09-25 | 2023-12-26 | 云南储能有限公司 | Factory electricity recovery control method and device based on diesel generator |
| CN117293999B (en) * | 2023-09-25 | 2024-06-11 | 云南储能有限公司 | Factory electricity recovery control method and device based on diesel generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106655478B (en) | Low-voltage emergency safety power supply system of household garbage power plant and control method thereof | |
| CN104022528B (en) | A kind of microgrid system coordination control method based on multiple elements design energy storage | |
| CN103997046B (en) | Box energy storage transformer station energy-storage units switching control method | |
| CN104281977B (en) | A kind of mixed type micro-capacitance sensor application platform and its control method | |
| CN105846463B (en) | A kind of black-start method and system of multi-source coordination | |
| CN104882906A (en) | Distributed micro-grid black-start control system and method based on photovoltaic and energy storage | |
| CN109842148A (en) | A kind of micro-grid connection turns the stable control method of isolated operation mode | |
| CN203056682U (en) | Power plant black-start special-purpose diesel generating set and control system thereof | |
| CN105281357A (en) | Diesel generator set and island microgrid connecting structure | |
| CN203481919U (en) | Microgrid experimental platform capable of being automatically and seamlessly switched between grid-connected mode and grid-isolated mode | |
| CN202652141U (en) | Coal feeder frequency converter low voltage crossover device | |
| CN105186575B (en) | A kind of thermal power plant's emergency power supply diesel generating set parallel connection system | |
| CN103560538A (en) | Microgrid protection and switchover integrated control method based on storing energy at PCC | |
| CN205945094U (en) | Isolated island comprehensive energy supplies with and support system | |
| CN214204284U (en) | Multi-energy hybrid power station system suitable for multiple application scenes | |
| CN102510124A (en) | Mode switching method for switching from island mode to grid-connected mode of microgrid | |
| CN105470997A (en) | Microgrid control system | |
| WO2023093172A1 (en) | Energy control system of direct current networking ship hybrid power laboratory and control method therefor | |
| CN109038670A (en) | A kind of micro-capacitance sensor and energy-storage system controller | |
| Martirano et al. | Implementation of SCADA systems for a real microgrid lab testbed | |
| Guo et al. | Coordinated control of battery storage system and diesel generators in AC island microgrid | |
| CN202749834U (en) | Low-voltage ride through device of photovoltaic grid-connected inverter | |
| CN203933152U (en) | Power plant's black startup diesel engine unit control system | |
| CN204668965U (en) | A kind of distributed micro-grid black starting-up control system based on photovoltaic and energy storage | |
| CN112865175B (en) | FCB operation method of garbage power plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20190126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |