CN110401388A - Generating set parallel connection control system and rail engineering automobile - Google Patents
Generating set parallel connection control system and rail engineering automobile Download PDFInfo
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- CN110401388A CN110401388A CN201910797289.7A CN201910797289A CN110401388A CN 110401388 A CN110401388 A CN 110401388A CN 201910797289 A CN201910797289 A CN 201910797289A CN 110401388 A CN110401388 A CN 110401388A
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- 238000004891 communication Methods 0.000 claims abstract description 7
- 238000012544 monitoring process Methods 0.000 claims description 11
- 238000010248 power generation Methods 0.000 claims description 9
- 238000000819 phase cycle Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/40—Synchronising a generator for connection to a network or to another generator
- H02J3/42—Synchronising a generator for connection to a network or to another generator with automatic parallel connection when synchronisation is achieved
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P2101/00—Special adaptation of control arrangements for generators
- H02P2101/25—Special adaptation of control arrangements for generators for combustion engines
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The present invention provides a kind of generating set parallel connection control system, including the first generating set, first and machine controller, the first power distribution cabinet and collectively forms the first power packages, wherein first power distribution cabinet setting is manually and machine switch and automatic and machine switch；Further include the second generating set, second and machine controller, the second power distribution cabinet and collectively forms the second power packages；Using described first and machine controller and described second and machine controller pass through bus connecting communication, two generators group is allocated in by the bearing power adjusting to impose a condition the generating set parallel connection control system, to realize that the complete machine power of the generating set parallel connection control system is powered by two generators group and machine and distribution loads automatically, to realize that single, double electric set electric supply automatically switches.The present invention also provides a kind of rail engineering automobiles.Compared with the relevant technologies, generating set parallel connection control system of the invention and track engineering bassinet structure are simple, operate convenient and good reliability.
Description
Technical field
The present invention relates to a kind of generator control system field more particularly to a kind of generating sets for applying to track engineering
Parallel operation control system and rail engineering automobile.
Background technique
Recently as the fast development of China railways, with the fast development of railway construction, the increase of new route, iron
The line upkeep workload that road department undertakes is increasing, and construction personnel's quantity is also more and more, and power load is got in railcar
Come more, bearing power is also increasing, requires generating set capacity higher and higher.
However limited by the vehicle installation space of rail engineering automobile, it can not on the in-orbit road engineering truck of electricity generation unit
Installation provides power supply using two small power generator component loads in the related technology, but this mode wiring is complicated, if opens
It is worked at the same time with two generating sets, vehicle need to be prejudged in advance and use bearing power, it is inconvenient for operation.
It solves the above problems therefore, it is necessary to provide one kind new generating set parallel connection control system and rail engineering automobile.
Summary of the invention
And a kind of operation convenient and fast generating set parallel connection control simple the technical problem to be solved by the invention is to provide structure
System processed and rail engineering automobile.
In order to solve the above technical problems, the present invention provides a kind of generating set parallel connection control systems, comprising: the first power generation
Unit；First and machine controller, be electrically connected with first generating set, is adjusted turn for being sent to first generating set
Speed and reclosing command, while acquiring voltage signal, current signal, tach signal and the feedback of closing a floodgate of first generating set
Signal is to realize the monitoring and control to the first generating set working condition；First voltage adjuster, respectively with described
One generating set and the described first simultaneously machine controller electrical connection, the first voltage adjuster receive described first and machine controller
First generating set is controlled after the voltage regulating command of transmission realizes that voltage is adjusted；First power distribution cabinet, simultaneously with described first
Machine controller electrical connection, first power distribution cabinet includes the first generator for individually controlling first start-stop of generator set
Group power switch, and be used, respectively, to initiate the control generating set parallel connection control system and machine operational mode it is manual simultaneously
Machine switch and automatic and machine switch；Second motor group；Second and machine controller, be electrically connected with second generating set, use
Revolving speed and reclosing command are adjusted in sending to second generating set, while acquiring the voltage letter of second generating set
Number, current signal, tach signal and combined floodgate feedback signal with realize monitoring to the second generating set working condition and
Control；Second voltage adjuster, respectively with second generating set and described second and machine controller be electrically connected, described second
Voltage regulator controls the second generating set realization after receiving described second and the voltage regulating command of machine controller transmission
Voltage is adjusted；And second power distribution cabinet, be electrically connected with described second and machine controller, including the second electric set electric supply switchs,
For individually controlling the start and stop of second generating set；Described first and machine controller with described second simultaneously machine controller pass through
CAN bus realizes communication connection.
Preferably, described first and machine controller and described second and machine controller be also used to acquire monitoring described the respectively
Water temperature, oil pressure, frequency, bearing power, the operation time parameters of one generating set and second generating set, and by default rule
Then realize to the water temperature of first generating set and second generating set, oil pressure, hypervelocity, under-voltage, over-voltage, overload, three
Phase voltage unbalance protection.
Preferably, the generating set parallel connection control system and machine operational mode include: manually and machine powering mode and
Automatic and machine powering mode.
It is preferably, described that simultaneously machine powering mode includes: manually
The manual and machine switch is pressed, first generating set or second generating set is manually booted and closes
Lock, then second generating set or first generating set are manually booted, to second generating set or described first
Generating set closes a floodgate after running smoothly；
Described first and machine controller and described second and machine controller communicated by the CAN bus and detect described the
Whether within the set range the voltage difference of one generating set and second generating set, difference on the frequency, detect first power generation
Whether the phase angle of unit and second generating set, phase sequence are identical, and are adjusted automatically to directly making within the set time
The voltage difference and difference on the frequency of first generating set and second generating set within the set range, and make first hair
Motor group is identical with the phase angle of second generating set and phase sequence, then first generating set and second generator
Group synchroswitching success；
Described first and machine controller and described second and machine controller control first generating set and described second
Generating set distributes bearing power automatically, realizes manually simultaneously machine powering mode.
Preferably, the automatic and machine powering mode includes:
The automatic and machine switch is pressed, by described first and machine controller starts first generating set simultaneously automatically
It closes a floodgate, and the load-carrying power of the first generating set described in described first and machine controller real-time monitoring:
If the first generating set actual power is less than the first setting value of its rated power, first generator
It organizes work and second generating set does not work；
If the first generating set actual power is greater than the second setting value of its rated power, the described first simultaneously machine control
Device processed by the CAN bus to described second and machine controller issue start-up request signal, described second and machine controller open
Move second generating set；
Described first and machine controller and described second and machine controller communicated by the CAN bus, detection compare simultaneously
It is synchronous with the voltage difference of second generating set, frequency, phase angle and phase sequence realization to automatically adjust first generating set
It closes a floodgate, and distributes bearing power automatically for first generating set and second generating set；
When the bearing power of the generating set parallel connection control system is less than first generating set or second hair
When the third setting value of the rated power of motor group, the second generating set autostop, the generating set parallel connection control
The bearing power of system is transferred to first generating set.
Preferably, first setting value is 40%, and second setting value is 80%, and the third setting value is
40%.
Preferably, first generating set and second generating set are 80Kw diesel generating set.
The present invention also provides a kind of rail engineering automobiles, including above-mentioned generating set parallel connection control system provided by the invention
System.
Preferably, the rail engineering automobile includes at least two section compartments, first generating set and second power generation
Unit is assemblied in respectively in compartment described in two sections.
Compared to the prior art, generating set parallel connection control system of the invention is equipped with the first generating set, first and machine
Controller, the first power distribution cabinet simultaneously collectively form the first power packages, wherein first power distribution cabinet setting manually and machine switch and from
Dynamic and machine switch；While equipped with the second generating set, second and machine controller, the second power distribution cabinet and collectively forming the second power
Group；Using described first and machine controller and described second and machine controller by bus connecting communication, by imposing a condition institute
The bearing power adjusting for stating generating set parallel connection control system is allocated in first generating set and second generating set,
To realize that the complete machine power of the generating set parallel connection control system is powered by two generators group and machine and distribution loads automatically,
It to realize that single, double electric set electric supply automatically switches, is not only simple in structure, and operates convenient flexible；Pass through described first
The manual simultaneously machine of power distribution cabinet switchs and automatic simultaneously machine switchs according to different loads situation realization different mode and machine and adjusts,
The drawbacks of avoiding using the operation of high-power generator group long-time low-load, while can reduce using electricity generation unit
Fuel consumption, energy conservation and environmental protection.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the electrical block diagram of generating set parallel connection control system of the present invention；
Fig. 2 is the structural schematic diagram that generating set parallel connection control system of the present invention applies to rail engineering automobile.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
It please join shown in Fig. 1, the present invention provides a kind of generating set parallel connection control systems 100, comprising: the first generating set
1, first and machine controller 2, first voltage adjuster 3, the first power distribution cabinet 4, the second generating set 5, second and machine controller 6,
Second voltage adjuster 7, the second power distribution cabinet 8.
In present embodiment, first generating set 1 and second generating set 5 are 80Kw diesel-driven generator
Group, certainly, rated power are not limited to this, and the rated power of the two can also be different.
Described first and machine controller 2 with described second and machine controller 6 communication connection is realized by CAN bus.
Described first and machine controller 2 be electrically connected with first generating set 1, be used for first generating set 1
It sends and adjusts revolving speed and reclosing command, while acquiring voltage signal, current signal, the tach signal of first generating set 1
And combined floodgate feedback signal etc. is to realize the monitoring and control to 1 working condition of the first generating set.
More preferably, described first and machine controller 2 be also used to acquire the water temperature for monitoring first generating set 1, oil pressure,
The parameters such as frequency, bearing power, runing time, and by preset rules realize to the water temperature of first generating set 1, oil pressure,
Hypervelocity, under-voltage, over-voltage, overload, imbalance of three-phase voltage protection, improve the reliable of the generating set parallel connection control system 100
Property.
The first voltage adjuster 3 respectively with first generating set 1 and described first and machine controller 2 be electrically connected
It connects.The first voltage adjuster 3 controls described first after receiving described first and the voltage regulating command of the transmission of machine controller 2
Generating set 1 realizes that voltage is adjusted.
First power distribution cabinet 4 is electrically connected with described first and machine controller 2.In this implementation trial work, first distribution
Cabinet 4 includes the first electric set electric supply switch 41 for individually controlling 1 start and stop of the first generating set, and is respectively used to
Starting the controls the generating set parallel connection control system 100 and manual and machine switch 42 of machine operational mode and automatic simultaneously machine
Switch 43.
Described second and machine controller 6 be electrically connected with second generating set 5, be used for second generating set 5
It sends and adjusts revolving speed and reclosing command, while acquiring voltage signal, current signal, the tach signal of second generating set 5
And combined floodgate feedback signal is to realize the monitoring and control to 5 working condition of the second generator.
More preferably, described second and machine controller 6 be also used to acquire respectively monitor second generating set 5 water temperature,
Oil pressure, frequency, bearing power, operation time parameters, and the water temperature by preset rules realization to second generating set 5, oil
Pressure, hypervelocity, under-voltage, over-voltage, overload, imbalance of three-phase voltage protection, to improve the generating set parallel connection control system 100
Reliability.
Second voltage adjuster 7 respectively with second generating set 5 and described second and machine controller 6 be electrically connected.Institute
It states after second voltage adjuster 7 receives described second and the voltage regulating command of the transmission of machine controller 6 and controls second power generation
Unit 5 realizes that voltage is adjusted.
Second power distribution cabinet 8 is electrically connected with described second and machine controller 6.In this embodiment party, second power distribution cabinet 8
Including the second electric set electric supply switch 81, for individually controlling the start and stop of second generating set 5.
In present embodiment, the first electric set electric supply switch 41 of first power distribution cabinet 4 can realize described
The manual single machine start and stop of one generating set 1.The second electric set electric supply switch 81 of second power distribution cabinet 8 can realize institute
State the manual single machine start and stop of the second generating set 5.
In addition to this, the generating set parallel connection control system 100 further includes and machine operational mode described and machine operational mode
It include: manual and machine powering mode and automatic and machine powering mode, especially by the manual and machine of first power distribution cabinet 4
Switch 42 and the automatic and machine switch 43 are realized, specific:
It is described that simultaneously the realization step of machine powering mode includes: manually
The first step presses the manual and machine switch 42, manually boots first generating set 1 or second power generation
Unit 5 simultaneously closes a floodgate, then manually boots second generating set 5 or first generating set 1, to second generating set
5 or described first generating sets 1 close a floodgate after running smoothly.
Second step, described first and machine controller 2 and described second and machine controller 6 by the CAN bus communication simultaneously
The voltage difference that detects first generating set 1 and second generating set 5, difference on the frequency whether within the set range, detection
Whether the phase angle of first generating set 1 and second generating set 5, phase sequence are identical, and are adjusted automatically to straight
The voltage difference and difference on the frequency for making first generating set 1 and second generating set 5 within the set time are in setting range
It is interior, and keep the phase angle of first generating set 1 and second generating set 5 and phase sequence identical, then first power generation
Unit 1 and 5 synchroswitching of the second generating set success.
Third step, described first and machine controller 2 and described second and machine controller 6 control first generating set 1
Bearing power is distributed automatically with second generating set 5, realizes manually simultaneously machine powering mode.
It is described that simultaneously the realization step of machine powering mode includes: automatically
The first step presses the automatic and machine switch 43, and by described first and machine controller 2 starts described first automatically
Generating set 1 simultaneously closes a floodgate, and the load-carrying power of the first generating set 2 described in described first and 2 real-time monitoring of machine controller:
If 1 actual power of the first generating set is less than the first setting value of its rated power, first power generation
Unit 1 works and second generating set 2 does not work.For example first setting value is 40%.
If 1 actual power of the first generating set is greater than the second setting value of its rated power, described first and machine
Controller 2 by the CAN bus to described second and machine controller 6 issue start-up request signal, described second and machine control
Device 6 starts second generating set 5.For example, second setting value is 80%.
Second step, described first and machine controller 2 and described second and machine controller 6 communicated by the CAN bus, inspection
Survey voltage difference, frequency, phase angle and the phase for comparing and automatically adjusting first generating set 1 and second generating set 5
Sequence realizes synchroswitching, and distributes bearing power automatically for first generating set 1 and second generating set 5.
Third step, when the generating set parallel connection control system 100 bearing power be less than first generating set 1 or
When the third setting value of the rated power of second generating set 2,5 autostop of the second generating set, the power generation
The bearing power of unit parallel operation control system 100 is transferred to first generating set 1.For example, the third setting value is
40%.
When the generating set parallel connection control system 100 runs on rail engineering automobile, rail engineering automobile is in different operating conditions
Under, when vehicle bearing power is less than 40% separate unit rated output of generating set, You Yitai electric set electric supply, when vehicle loads
When power is greater than separate unit rated output of generating set 80%, two generating sets are automatic and machine is powered, and distribution load automatically.
Certainly, first setting value, second setting value, the third setting value are not limited to this.
In above structure, the generating set parallel connection control system 100 passes through the manual simultaneously machine of realization and automatic simultaneously two kinds of machine
And machine mode, the drawbacks of running using high-power generator group long-time low-load is avoided, while can reduce using high-power
The fuel consumption of generating set, energy conservation and environmental protection.
It will be including provided by the invention above-mentioned in conjunction with shown in ginseng Fig. 2, the present invention also provides a kind of rail engineering automobile 200
Generating set parallel connection control system 100.Specifically, the rail engineering automobile 200 includes at least two section compartments, A vehicle and B vehicle, institute
It states the first generating set 1 and second generating set 5 is assemblied in respectively in two section compartment of A vehicle and B vehicle.
Compared to the prior art, generating set parallel connection control system of the invention is equipped with the first generating set, first and machine
Controller, the first power distribution cabinet simultaneously collectively form the first power packages, wherein first power distribution cabinet setting manually and machine switch and from
Dynamic and machine switch；While equipped with the second generating set, second and machine controller, the second power distribution cabinet and collectively forming the second power
Group；Using described first and machine controller and described second and machine controller by bus connecting communication, by imposing a condition institute
The bearing power adjusting for stating generating set parallel connection control system is allocated in first generating set and second generating set,
To realize that the complete machine power of the generating set parallel connection control system is powered by two generators group and machine and distribution loads automatically,
It to realize that single, double electric set electric supply automatically switches, is not only simple in structure, and operates convenient flexible；Pass through described first
The manual simultaneously machine of power distribution cabinet switchs and automatic simultaneously machine switchs according to different loads situation realization different mode and machine and adjusts,
The drawbacks of avoiding using the operation of high-power generator group long-time low-load, while can reduce using electricity generation unit
Fuel consumption, energy conservation and environmental protection.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (9)
1. a kind of generating set parallel connection control system characterized by comprising
First generating set；
First and machine controller, be electrically connected with first generating set, is adjusted turn for being sent to first generating set
Speed and reclosing command, while acquiring voltage signal, current signal, tach signal and the feedback of closing a floodgate of first generating set
Signal is to realize the monitoring and control to the first generating set working condition；
First voltage adjuster, respectively with first generating set and described first and machine controller be electrically connected, described first
Voltage regulator controls the first generating set realization after receiving described first and the voltage regulating command of machine controller transmission
Voltage is adjusted；
First power distribution cabinet is electrically connected with described first and machine controller, and first power distribution cabinet includes for described in individually control
First electric set electric supply of the first start-stop of generator set switchs, and is used, respectively, to initiate the control generating set parallel connection control
System processed and machine operational mode manual and machine switch and automatic and machine switch；
Second motor group；
Second and machine controller, be electrically connected with second generating set, is adjusted turn for being sent to second generating set
Speed and reclosing command, while acquiring voltage signal, current signal, tach signal and the feedback of closing a floodgate of second generating set
Signal is to realize the monitoring and control to the second generating set working condition；
Second voltage adjuster, respectively with second generating set and described second and machine controller be electrically connected, described second
Voltage regulator controls the second generating set realization after receiving described second and the voltage regulating command of machine controller transmission
Voltage is adjusted；And
Second power distribution cabinet is electrically connected with described second and machine controller, including the second electric set electric supply switch, for individually controlling
Make the start and stop of second generating set；
Described first and machine controller is with described second and machine controller by CAN bus realizes communication connection.
2. generating set parallel connection control system according to claim 1, which is characterized in that described first and machine controller and
Described second and machine controller be also used to acquire respectively monitor first generating set and second generating set water temperature,
Oil pressure, frequency, bearing power, operation time parameters, and realize by preset rules to first generating set and described second
The water temperature of generating set, oil pressure, hypervelocity, under-voltage, over-voltage, overload, imbalance of three-phase voltage protection.
3. generating set parallel connection control system according to claim 1, which is characterized in that the generating set parallel connection control
System and machine operational mode include: manually and machine powering mode and automatic and machine powering mode.
4. generating set parallel connection control system according to claim 3, which is characterized in that the manual and machine powering mode
Include:
The manual and machine switch is pressed, first generating set or second generating set is manually booted and closes a floodgate, then
Second generating set or first generating set are manually booted, to second generating set or first generator
Group is closed a floodgate after running smoothly；
Described first and machine controller and described second and machine controller communicated by the CAN bus and detect it is described first send out
Whether within the set range motor group and the voltage difference of second generating set, difference on the frequency, detect first generating set
It is whether identical with the phase angle of second generating set, phase sequence, and be adjusted automatically described to directly making within the set time
The voltage difference and difference on the frequency of first generating set and second generating set within the set range, and make first generator
Group is identical with the phase angle of second generating set and phase sequence, then first generating set and second generating set are same
Walk closing success；
Described first simultaneously machine controller and the described second simultaneously machine controller control first generating set and second power generation
Unit distributes bearing power automatically, realizes manually simultaneously machine powering mode.
5. generating set parallel connection control system according to claim 3, which is characterized in that the automatic and machine powering mode
Include:
The automatic and machine switch is pressed, by described first and machine controller starts first generating set automatically and closes
Lock, and the load-carrying power of the first generating set described in described first and machine controller real-time monitoring:
If the first generating set actual power is less than the first setting value of its rated power, the first generating set work
Make and second generating set does not work；
If the first generating set actual power is greater than the second setting value of its rated power, described first and machine controller
By the CAN bus to described second and machine controller issue start-up request signal, described second and machine controller start institute
State the second generating set；
Described first and machine controller and described second and machine controller communicated by the CAN bus, detection compare simultaneously it is automatic
Voltage difference, frequency, phase angle and the phase sequence for adjusting first generating set and second generating set realize synchroswitching,
And bearing power is distributed for first generating set and second generating set automatically；
When the bearing power of the generating set parallel connection control system is less than first generating set or second generator
When the third setting value of the rated power of group, the second generating set autostop, the generating set parallel connection control system
Bearing power be transferred to first generating set.
6. generating set parallel connection control system according to claim 5, which is characterized in that first setting value is
40%, second setting value is 80%, and the third setting value is 40%.
7. generating set parallel connection control system according to claim 1, which is characterized in that first generating set and institute
Stating the second generating set is 80Kw diesel generating set.
8. a kind of rail engineering automobile, which is characterized in that including the generating set parallel connection as described in claim 1~7 any one
Control system.
9. rail engineering automobile according to claim 8, which is characterized in that the rail engineering automobile includes at least two section vehicles
Compartment, first generating set and second generating set are assemblied in respectively in compartment described in two sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910797289.7A CN110401388A (en) | 2019-08-27 | 2019-08-27 | Generating set parallel connection control system and rail engineering automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910797289.7A CN110401388A (en) | 2019-08-27 | 2019-08-27 | Generating set parallel connection control system and rail engineering automobile |
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| CN110401388A true CN110401388A (en) | 2019-11-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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