CN201416484Y - Automatic frequency conversion energy-saving electronic speed regulation control system in generator set - Google Patents
Automatic frequency conversion energy-saving electronic speed regulation control system in generator set Download PDFInfo
- Publication number
- CN201416484Y CN201416484Y CN2009200723166U CN200920072316U CN201416484Y CN 201416484 Y CN201416484 Y CN 201416484Y CN 2009200723166 U CN2009200723166 U CN 2009200723166U CN 200920072316 U CN200920072316 U CN 200920072316U CN 201416484 Y CN201416484 Y CN 201416484Y
- Authority
- CN
- China
- Prior art keywords
- automatic
- frequency
- output
- load
- frequency conversion
- 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 - Lifetime
Links
Images
Landscapes
- Control Of Eletrric Generators (AREA)
Abstract
The utility model discloses an automatic frequency conversion energy-saving electronic speed regulation control system in a generator set, which comprises an automatic speed regulation controller capable of receiving outer signal and current parameter, and the automatic controller is respectively in communication link with a load detecting instrument for detecting load current, a frequency conversion compensator for regulating output frequency and voltage, a speed sensor for detecting the actual output rotating speed of the motor, and an electric actuator for changing the oil supply of the motor, and the speed sensor is also in communication link with the electric actuator and the frequency conversion compensator. Through the real-time detection of the power which is output to the load, the detected signal is converted through a digit/analog signal conversion to be output to the system of the utility model, the system utilizes the operating parameter in the diesel engine comprehensively collected to control the advance angle and oil output of the oil pump, thereby realizing the automatic speed change control, and finally realizing the regulation of the running frequency of a dieselengine according to the load, and achieving the oil saving goal.
Description
Technical field
The utility model relates to a kind of generator set that is used for regulating diesel engine operation frequency in the power generating equipment, particularly a kind of automatic frequency-conversion energy-saving electronic speed regulation control system that is applied to the conventional power generation usage unit.
Background technique
At present, conventional generator set all is to work under 50Hz or 60Hz fixed rotating speed, even diesel engine is still at high speed operation under the state of underloading, its result must cause the waste of wear of diesel engines increase and fuel oil.When under the situation of load variations, working, usually operation back standby under very light load of diesel engine.
The power source loads of China is according to the electromagnetic parameter that exchanges the 50HZ design, take simply to reduce the induction reactance that frequency can reduce inductive load, easy damage equipment, what diesel engine of the prior art and generator adopted is the Placement of regulation transmission, change the frequency of generator by the rotating speed that changes diesel engine, inevitable requirement diesel engine and generator have the good technical parameter, can use the stable voltage output of generation under the high speed rotating can hang down load request voltage again under low-speed running and export.
Be a Utopian imagination so in the prior art, need solve many technical barriers if become the reality of using in the generator set:
The technical problem how at first be load to detect the variation of electric current output;
The secondth, how generator can keep the stable voltage and the technical problem of frequency output under the change rotating speed;
The 3rd is the rotating speed of diesel engines and the problem how the cylinder position is detected;
The 4th is the advance angle and the fuel feeding control problem of oil pump;
Be the problem of how how several technical parameters being coordinated to control at last.
The model utility content
The utility model has overcome above-mentioned shortcoming, and provide a kind of automatic frequency-conversion energy-saving electronic speed regulation generator set that is applied to the conventional power generation usage unit, diesel fuel system by the coupling optimum performance, intelligent control system and generator, the power that outputs in the load is detected in real time, detected signal is input in the utility model system by after the digital/analog signal conversion, and the Operational Limits in the diesel engine that arrives of synthetical collection, control the advance angle and the oil transportation amount of oil pump, but and then automatic shift control, final realization can reach fuel-efficient purpose according to the operation frequency of the size adjustment diesel engine of load.
To achieve these goals, the utility model is to realize by the following technical solutions:
Automatic frequency-conversion energy-saving electronic speed regulation control system in the generator set, it comprises automatic speed regulation controller, the load detecting instrument that is used for detecting the load current amount, the frequency conversion compensator that is used for adjusting output frequency and voltage that can receive external signal and current parameters, be used for the electronic actuators that detects the velocity transducer of the actual output speed of generator and be used for changing the engine oil amount, it is characterized in that described automatic controller and described load detecting instrument, frequency conversion compensator, velocity transducer, electronic actuators communicate to connect respectively.
Described velocity transducer also communicates to connect with described electronic actuators.
The working principle of control system is: by detecting the load current amount, the load detecting instrument changes into the current signal of analog amount, the automatic speed regulation controller reads in signal, the parameter (rated current of generator) of signal and automatic controller setting is compared, by the PID computing, adjust the corresponding analog amount current signal of output according to the size of load and control electronic actuators and frequency conversion compensator, the frequency conversion compensator is adjusted output frequency and voltage, electronic actuators changes the fuel delivery of motor, changes the rotating speed of motor and changes output power.The automatic speed regulation controller detects the actual output speed of generator by the reading speed sensor signal, and the output of generator set is adjusted, and guarantees the output dynamic stability.
By above-mentioned introduction, the utility model has reached following beneficial effect:
1, realized the speed change work of whole generating machine (diesel engine) system, and fuel delivery and time angle can be adjusted automatically according to rotating speed;
2, make whole diesel-engine equipment realize the standard of high efficiency, low noise, low emission (the European non-highway that reaches new enforcement with No. 3 standards);
3, can realize the digital intelligent speed governing, and play the effect of the steady electric power output of control;
4, can realize the voltage output of broadband;
5, can realize comprehensive automatic alarming protection system protection motor and generator.
Description of drawings
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the utility model system principle diagram.
The electrical schematic diagram that Fig. 2 implements for the utility model.
Fig. 3 is the utility model system operational process block diagram in an embodiment.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1: automatic frequency-conversion energy-saving electronic speed regulation control system in the generator set described in the utility model comprises automatic speed regulation controller 1, the load detecting instrument 2 that detects the load current amount that can receive external signal and current parameters, the frequency conversion compensator 3 of adjusting output frequency and voltage, the velocity transducer 4 that detects the actual output speed of generator and the electronic actuators 5 that is used for changing the engine oil amount.
With reference to figure 2: the automatic speed regulation controller 1 that the utility model receives external signal and current parameters adopts the HJ-HM2500 automatic controller.
Referring to Fig. 3, the running of system is as follows:
By detecting the load current amount, load detecting instrument 2 changes into the current signal of analog amount, HJ-HM2500 automatic speed regulation controller reads in signal, the parameter (rated current of generator) of signal and automatic controller setting is compared, by the PID computing, adjust corresponding analog amount current signal control electronic actuators 5 of output and frequency conversion compensator 3 according to the size of load, frequency conversion compensator 3 is adjusted output frequency and voltage, electronic actuators 5 changes the fuel delivery of motor, change the rotating speed of motor and change output power, automatic speed regulation controller 1 is by reading speed sensor 4 signals, detect the actual output speed of generator, output to generator set is adjusted, and guarantees the output dynamic stability.
In addition, in the specific implementation process, the parameter configuration of the utility model system relevant device when practical application is provided with as follows:
Speed-regulating signal is set according to the characteristic working curve of diesel engine by power transducer, and it is remained on the most economical fuel oil curve.
The setting intelligence of speed is set, comprise the slope control of speed, the fuel oil curve of diesel engine is all being set, it is according to the rotating speed cylinder position of motor, velometer is calculated only injection time and oil spout quality, control the operation of generator, make motor under different rotating speeds, can both reach optimum Working.
During application, the main designing technique index of the diesel generating set that relates to is:
1, engine section
Motor: 6 cylinders four in upright arrangement are towards direct injection diesel engine
Injection system: VP44 electric-controlled co-rail injection system
Combustion manner: turbosupercharging, cold in air-air
The type of cooling: centrifugal water pump circulating water cooling
Lubrication system: gear pump pressure lubrication, band machine oil cooler
Cylinder diameter: 108mm
Stroke: 125mm
Cylinder capacity: 6.87 liters
Compression ratio: 16: 1
Rotating speed: 800～1800RPM
Fuel consumption rate: 192～197g/kwh
2, master section
The mode of connection: three-phase Y connection method
Voltage: 480V
Frequency: 26.67～60Hz
Rated current: 616A
Power factor: 0.43
Control section power supply: direct current 24V
Controller: BE2K or relay protection control (answering customer requirement)
3, electricity is transferred parameter
The flywheel number of teeth: 160
Hypervelocity: 2000RPM
Slewing range: 800～1800
Speed promotes slope: 6%
Speed drop angle rate: 7%
Maximum spout oil mass: 162 milligrams/stroke.
Fuel injection quantity is regulated: ± 20 milligrams/stroke
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1, automatic frequency-conversion energy-saving electronic speed regulation control system in the generator set, it comprises the automatic speed regulation controller that can receive external signal and current parameters, detect the electronic actuators of the load detecting instrument of load current amount, the frequency conversion compensator of adjusting output frequency and voltage, the velocity transducer that detects the actual output speed of generator and change engine oil amount, it is characterized in that described automatic controller and described load detecting instrument, frequency conversion compensator, velocity transducer, electronic actuators communicate to connect respectively.
2, automatic frequency-conversion energy-saving electronic speed regulation generator set according to claim 1 is characterized in that, described velocity transducer also communicates to connect with electronic actuators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200723166U CN201416484Y (en) | 2009-05-15 | 2009-05-15 | Automatic frequency conversion energy-saving electronic speed regulation control system in generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200723166U CN201416484Y (en) | 2009-05-15 | 2009-05-15 | Automatic frequency conversion energy-saving electronic speed regulation control system in generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201416484Y true CN201416484Y (en) | 2010-03-03 |
Family
ID=41792901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200723166U Expired - Lifetime CN201416484Y (en) | 2009-05-15 | 2009-05-15 | Automatic frequency conversion energy-saving electronic speed regulation control system in generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201416484Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767430A (en) * | 2012-05-04 | 2012-11-07 | 浙江福爱电子有限公司 | Generating set and running control method thereof |
| CN106959687A (en) * | 2017-04-06 | 2017-07-18 | 武汉诺尔曼科技有限公司 | A kind of electronics rotational speed governor analog testing platform and method |
| CN112081676A (en) * | 2020-09-11 | 2020-12-15 | 一汽解放汽车有限公司 | Engine control method, device, equipment and medium |
| CN113217202A (en) * | 2021-05-26 | 2021-08-06 | 河南柴油机重工有限责任公司 | Diesel generator control system |
-
2009
- 2009-05-15 CN CN2009200723166U patent/CN201416484Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767430A (en) * | 2012-05-04 | 2012-11-07 | 浙江福爱电子有限公司 | Generating set and running control method thereof |
| CN102767430B (en) * | 2012-05-04 | 2016-04-27 | 浙江福爱电子有限公司 | A kind of generator set and progress control method thereof |
| CN106959687A (en) * | 2017-04-06 | 2017-07-18 | 武汉诺尔曼科技有限公司 | A kind of electronics rotational speed governor analog testing platform and method |
| CN112081676A (en) * | 2020-09-11 | 2020-12-15 | 一汽解放汽车有限公司 | Engine control method, device, equipment and medium |
| CN112081676B (en) * | 2020-09-11 | 2022-11-04 | 一汽解放汽车有限公司 | Engine control method, device, equipment and medium |
| CN113217202A (en) * | 2021-05-26 | 2021-08-06 | 河南柴油机重工有限责任公司 | Diesel generator control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101826833B (en) | Automatic frequency-conversion energy-saving electronic speed regulation control system | |
| CN101701873B (en) | Automobile engine tail gas waste-heat and electricity converting stand test device and method for controlling same | |
| CN201416484Y (en) | Automatic frequency conversion energy-saving electronic speed regulation control system in generator set | |
| CN2787841Y (en) | Energy-saving diesel generator set | |
| CN1290856A (en) | Measurement of engine mechanical efficiency and back drawing test system | |
| CN105098811A (en) | Hybrid energy source energy buffer balanced micro-grid for drilling machine | |
| CN201653569U (en) | Thermoelectric conversion stand tester for tail gas exhaust heat of automobile engine | |
| CN202309602U (en) | Diesel generator energy-saving system | |
| CN209069473U (en) | A kind of low speed single cylinder diesel Electric Dynamometer | |
| CN204905885U (en) | Rig is with mixing little electric wire netting of energy buffering balanced type | |
| CN206074261U (en) | Threst stand | |
| CN210217930U (en) | Gas generating set speed control system | |
| CN203685386U (en) | Combined engine with adjustable maximum output power | |
| CN201577063U (en) | Special power saving device for fans and water pumps | |
| CN201144789Y (en) | Plunger pump and piston pump test devices | |
| CN105570112A (en) | Working condition optimization method for natural gas gathering supercharger, and gas volume adjustment control system applied to same | |
| CN212649109U (en) | Oil pumping motor-pumped well variable speed operation drives integrative device of accuse repayment | |
| CN209908739U (en) | Variable frequency type oil-free mute air compressor | |
| CN102635541B (en) | Control device and method for driving external fire pump by using diesel generator for engineering ships | |
| CN202165161U (en) | 160kW methane power generation set | |
| CN202157865U (en) | 80kW marsh gas power generator set | |
| CN201078274Y (en) | Speed changing and energy saving power set | |
| CN204591499U (en) | A kind of aerial work platform energy-saving auto-control engine oil accelerator control system | |
| CN201165444Y (en) | Elevator power-saving device | |
| CN205117521U (en) | Gas power unit of area and car control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100303 Effective date of abandoning: 20090515 |