CN109995285A - A kind of control device and electricity generation system - Google Patents
A kind of control device and electricity generation system Download PDFInfo
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- CN109995285A CN109995285A CN201910353635.2A CN201910353635A CN109995285A CN 109995285 A CN109995285 A CN 109995285A CN 201910353635 A CN201910353635 A CN 201910353635A CN 109995285 A CN109995285 A CN 109995285A
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- Prior art keywords
- voltage
- generating set
- voltage regulator
- control
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Classifications
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- 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
- H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
- H02P9/26—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices
- H02P9/30—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices using semiconductor devices
- H02P9/305—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices using semiconductor devices controlling voltage
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The embodiment of the present invention provides a kind of control device and electricity generation system, control device includes switching device, voltage detection device, current sensing device, display and voltage regulator, voltage regulator and switching device, voltage detection device, current sensing device and display are electrically connected, and voltage detection device is used to detect the output voltage of generating set, current sensing device is used to detect the output electric current of generating set, user is based on the output voltage shown on display and the state of output current-controlled switch device, voltage regulator controls generating set work under constant pressure operating mode or under current limliting operating mode according to the state of switching device.By above-mentioned setting, it is possible to prevente effectively from the rated current of generating set is uprushed and then be more than to electric current, and the alarm of generating set is made to be alarmed and be caused generating set to miss the case where protecting when being supported in the presence of feed phenomenon.
Description
Technical field
The present invention relates to generator control fields, in particular to a kind of control device and electricity generation system.
Background technique
Power generator now, such as: solar energy, wind-force and hydroelectric generation, when being connected with load, since load is former
Cause, what generating set was generally exported by the way of constant pressure.
Inventor it has been investigated that, in existing load exist connect with generating set be powered in the process present
The specific loads of electrical phenomena, when occurring feeding phenomenon, the rated current of generating set can be uprushed and then be more than to electric current, make to generate electricity
The case where alarm of unit is alarmed and is caused generating set accidentally to protect.
Summary of the invention
The present invention provides a kind of control device and electricity generation system.
The embodiment of the present invention provides a kind of control device, applied to the electricity generation system including generating set, the control dress
It sets including switching device;
Voltage detection device, the voltage detection device are used to detect the output voltage of the generating set;
Current sensing device, the current sensing device are used to detect the output electric current of the generating set;
Display, the display is for showing the output voltage and output electric current;
Voltage regulator, the voltage regulator and the switching device, voltage detection device, current sensing device and aobvious
Show that device is electrically connected, user is based on switching device described in the output voltage and output current control shown on the display
State, the voltage regulator control the generating set work under constant pressure operating mode according to the state of the switching device
Or under current limliting operating mode, wherein the state of the switching device is closed state or off-state.
In the preferred embodiment of the application, in above-mentioned control device, a volume is also prestored in the voltage regulator
Constant voltage, the voltage regulator are also used to control the generating set when the output voltage is greater than the voltage rating
Work is under constant voltage mode.
In the preferred embodiment of the application, in above-mentioned control device, it is default that one is prestored in the voltage regulator
Electric current, the voltage regulator are also used to obtain output power based on the output voltage and the output electric current, and described
Export electric current be greater than the predetermined current when, control the generating set output power it is constant and to the generating set in institute
It states and carries out voltage adjusting in the range of nominal tension.
In the preferred embodiment of the application, in above-mentioned control device, the control device further includes alarm, described
Alarm is electrically connected with the voltage regulator, and the voltage regulator is under constant voltage mode, when the output electric current is greater than institute
When stating predetermined current, controls the alarm and issue alarm signal.
In the preferred embodiment of the application, in above-mentioned control device, the switching device is button switch, described to press
Button switch is connected between two ports of the voltage regulator.
In the preferred embodiment of the application, in above-mentioned control device, the control device further includes control panel, institute
It states display, voltage regulator and the switching device and is respectively arranged at the control panel, and the display and described
Switching device is located at the same side of the control panel.
The present invention also provides a kind of electricity generation system, including generating set and control device, the control device includes switch
Device;
Voltage detection device, the voltage detection device are used to detect the output voltage of the generating set;
Current sensing device, the current sensing device are used to detect the output electric current of the generating set;
Display, the display is for showing the output voltage and output electric current;
Voltage regulator, the voltage regulator and the switching device, voltage detection device, current sensing device and aobvious
Show that device is electrically connected, user is based on switching device described in the output voltage and output current control shown on the display
State, the voltage regulator control the generating set work under constant pressure operating mode according to the state of the switching device
Or under current limliting operating mode, wherein the state of the switching device is closed state or off-state.
In the preferred embodiment of the application, in above-mentioned electricity generation system, a volume is also prestored in the voltage regulator
Constant voltage, the voltage regulator are also used to control the generating set when the output voltage is greater than the voltage rating
Work is under constant voltage mode.
In the preferred embodiment of the application, in above-mentioned electricity generation system, the switching device is button switch, described to press
Button switch is connected between two ports of the voltage regulator.
In the preferred embodiment of the application, in above-mentioned electricity generation system, the control device further includes control panel, institute
It states display, voltage regulator and the switching device and is respectively arranged at the control panel, and the display and described
Switching device is located at the same side of the control panel.
A kind of control device provided in an embodiment of the present invention and electricity generation system, control device include switching device, voltage inspection
Survey device, current sensing device, display and voltage regulator, voltage regulator and the switching device, voltage detector
Part, current sensing device and display are electrically connected, and voltage detection device is used to detect the output of the generating set
Voltage, current sensing device are used to detect the output electric current of the generating set, and user is defeated based on showing on the display
The state of switching device described in voltage and output current control out, the voltage regulator is according to the state control of the switching device
The generating set work is made under constant pressure operating mode or under current limliting operating mode.By above-mentioned setting, can effectively keep away
When exempting to be supported in the presence of feed phenomenon, electric current uprushes and then causes generating set to miss protection more than the rated current of generating set
Situation.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described.It should be appreciated that the following drawings illustrates only certain embodiments of the present invention, therefore it is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of application block diagram of electricity generation system provided by the invention.
Fig. 2 is a kind of connection block diagram of control device provided by the invention.
Fig. 3 is a kind of functional block diagram of electricity generation system provided by the invention.
Fig. 4 is a kind of another connection block diagram of control device provided by the invention.
Icon: 10- electricity generation system;20- load;100- control device;110- switching device;120- voltage detection device;
130- current sensing device;140- display;150- voltage regulator;160- alarm;200- generating set.
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.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually
The component for the embodiment of the present invention being described and illustrated herein in the accompanying drawings can be arranged and be designed with a variety of different configurations.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Referring to Fig. 1, the present invention provides a kind of electricity generation system 10, the electricity generation system 10 includes generating set 200 and control
Device 100 processed, the control device 100 are electrically connected with the generating set 200, for connecting in the generating set 200
Have load 20 when, control the working condition of the generating set 200, so make the generating set 200 to it is described load 20 into
The effectively reliable power supply of row.
Wherein, the generating set 200 can be but not limited to wind power generating set, hydro-generating Unit, diesel generation
Unit or solar power generation unit, are not specifically limited herein, are configured according to actual needs.
The working condition that the control device 100 controls the generating set 200 can be the control generating set 200
Work is under limited current state, or work is under pressure constant state.
Incorporated by reference to Fig. 2 and Fig. 3, the present invention provides a kind of control device 100 that can be applied to above-mentioned electricity generation system 10, described
Control device 100 includes switching device 110, voltage detection device 120, current sensing device 130, display 140 and voltage
Adjuster 150, the switching device 110, voltage detection device 120, current sensing device 130 and display 140 respectively with
The voltage regulator 150 is electrically connected.
The voltage detection device 120 is used to detect the output voltage of the generating set 200, the current sensing device
130 for detecting the output electric current of the generating set 200, and the voltage regulator 150 receives the output voltage and described
It exporting electric current and controls the display 140 and shown, the switching device 110 is connect with the voltage regulator 150, with
Make user based on the output voltage shown on the display 140 and exports the state of switching device 110 described in current control, into
And the voltage regulator 150 is made to control the work of generating set 200 in constant pressure work according to the state of the switching device 110
Under operation mode or under current limliting operating mode, wherein the state of the switching device 110 is closed form body or off-state.
By above-mentioned setting, to be powered using 10 pairs of electricity generation system loads 20 for including the control device 100
When, it is possible to prevente effectively from load 20 is when having feed phenomenon, the specified electricity of generating set 200 can be uprushed and then be more than to electric current
Stream, the case where making the alarm 160 of generating set 200 be alarmed and protect generating set 200 accidentally.
It should be noted that when the voltage regulator 150 controls the generating set 200 and is under constant voltage mode,
The voltage regulator 150 by the output voltage control of generating set 200 in a setting range, to realize constant direct current
Voltage output.
When the voltage regulator 150, which controls the generating set 200, to be under current-limit mode, the voltage regulator
The 150 control generating sets 200 adjust output voltage in the range of meeting 20 voltages of load and requiring, to make to export electric current
No more than over current fault high alarm setting, and then effectively avoid the case where accidentally protecting.
Wherein, the connection type of the switching device 110 and the voltage regulator 150 can be, the switching device
110 are parallel between two ports of the voltage regulator 150, be also possible to one end of the switching device 110 with it is described
Voltage regulator 150 connects, and the other end is connect with a power supply apparatus.
It is appreciated that when between two ports that the switching device 110 is parallel to the voltage regulator 150, with
Realizing makes the voltage regulator 150 generate different control signals based on the connected state of two ports, and being based on should
Control signal controls the operating mode of the generating set 200.
It is connect in one end of the switching device 110 with the voltage regulator 150, the other end is connect with a power supply apparatus
When, to realize the level signal received in the case where making connected state of the voltage regulator 150 based on the switching device 110
Different control signals is generated, and controls the operating mode of the generating set 200 based on the control signal.
It is appreciated that being connect in one end of the switching device 110 with the voltage regulator 150, the other end and an electricity
When source device connects, the switching device 110 should also be in series with a protective resistance.
The switching device 110 can be button switch, be also possible to remote control switch or plug-in component switch, not make herein specific
It limits, is configured according to actual needs, it will be understood that when for remote control switch, which should be associated with remote control
Equipment.
Optionally, in the present embodiment, the switching device 110 is button switch, and the switching device 110 is connected to
Between two ports of the voltage regulator 150.
The voltage detection device 120 can be voltage sensor, is also possible to voltage detecting circuit, can also be voltage
Table is not specifically limited herein, and carries out effectively reliable detection to the output voltage of the generating set 200 as long as can be realized
?.
The current sensing device 130 can be current sensor, is also possible to current detection circuit, can also be electric current
Table is not specifically limited herein, and carries out effectively reliable detection to the output electric current of the generating set 200 as long as can be realized
?.
The display 140 can be digital display, is also possible to liquid crystal display, can also be liquid crystal touch screen,
It is not specifically limited herein, as long as the output electric current and the output voltage can be shown.
The voltage regulator 150 can be Ic regulator, be also possible to transistor regulator, not make to have herein
Body limits, and is configured according to actual needs.
In the present embodiment, make the work of generating set 200 under preferable states to further realize, the voltage tune
A voltage rating is also prestored in section device 150, the voltage regulator 150 is also used to be greater than in the output voltage described specified
When voltage, the work of generating set 200 is controlled under constant voltage mode.
In the present embodiment, make the work of generating set 200 under preferable states to further realize, the voltage tune
A predetermined current is prestored in section device 150, the voltage regulator 150 is also used to based on the output voltage and output electricity
Stream obtains output power, and when the output electric current is greater than the predetermined current, controls the output work of the generating set 200
Rate is constant and voltage adjusting is carried out in the range of nominal tension to the generating set 200.
Wherein, in the present embodiment, the predetermined current can be the above-mentioned overcurrent upper limit, and the voltage rating can be
Above-mentioned predeterminated voltage.
To realize to export electric current excessive or when output voltage is excessive, effective prompt user, in the present embodiment, the control
Device 100 processed further includes alarm 160, and the alarm 160 is electrically connected with the voltage regulator 150, and the voltage is adjusted
Device 150 controls the alarm 160 and issues alarm signal when the output electric current is greater than the predetermined current.
It is appreciated that the voltage regulator 150 also can control when the output voltage is greater than the voltage rating
The alarm 160 issues alarm signal, effectively to prompt user.
It is appreciated that for the operating mode for checking the generating set 200 convenient for user, in the present embodiment, the control
Device 100 processed can also include indicator light, and the indicator light is connect with the voltage regulator 150.
Wherein, which can be one, be also possible to two.When for two, each indicator light respectively corresponds one
Kind operating mode, when for one, the different display states of indicator light correspond to obstructed operating mode.
For convenient for user check the output voltage shown on the display 140 and output electric current, and be convenient for user couple
The switching device 110 is manipulated, and in the present embodiment, the control device 100 further includes control panel, the display
140, voltage regulator 150 and the switching device 110 are respectively arranged at the control panel, and 140 He of the display
The switching device 110 is located at the same side of the control panel.
To sum up, a kind of control device 100 provided by the invention and electricity generation system 10, control device 100 pass through setting switch
Device 110, voltage detection device 120, current sensing device 130, display 140 and voltage regulator 150, voltage regulator
150 are electrically connected with the switching device 110, voltage detection device 120, current sensing device 130 and display 140,
And voltage detection device 120 is used to detect the output voltage of the generating set 200, current sensing device 130 is for detecting institute
The output electric current of generating set 200 is stated, user is based on the output voltage and output current control institute shown on the display 140
The state of switching device 110 is stated, the voltage regulator 150 controls the generator according to the state of the switching device 110
200 work of group is under constant pressure operating mode or under current limliting operating mode, it is possible to prevente effectively from load 20 has feed phenomenon
When, electric current uprush so that be more than generating set 200 rated current, make the alarm 160 of generating set 200 carry out alarm and
The case where causing generating set 200 accidentally to protect.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects.It can be mechanical connection, be also possible to be electrically connected.It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of control device, applied to the electricity generation system including generating set, which is characterized in that the control device includes opening
Close device;
Voltage detection device, the voltage detection device are used to detect the output voltage of the generating set;
Current sensing device, the current sensing device are used to detect the output electric current of the generating set;
Display, the display is for showing the output voltage and output electric current;
Voltage regulator, the voltage regulator and the switching device, voltage detection device, current sensing device and display
It is electrically connected, shape of the user based on switching device described in the output voltage and output current control shown on the display
State, the voltage regulator according to the state of the switching device control generating set work under constant pressure operating mode or
Under person's current limliting operating mode, wherein the state of the switching device is closed form body or off-state.
2. control device according to claim 1, which is characterized in that also prestore a specified electricity in the voltage regulator
Pressure, the voltage regulator are also used to when the output voltage is greater than the voltage rating, control the generating set work
Under constant voltage mode.
3. control device according to claim 2, which is characterized in that prestore a default electricity in the voltage regulator
Stream, the voltage regulator are also used to obtain output power based on the output voltage and the output electric current, and described defeated
Out electric current be greater than the predetermined current when, control the generating set output power it is constant and to the generating set described
Voltage adjusting is carried out in the range of nominal tension.
4. control device according to claim 3, which is characterized in that the control device further includes alarm, the report
Alert device is electrically connected with the voltage regulator, and the voltage regulator is under constant voltage mode, when the output electric current is greater than described
When predetermined current, controls the alarm and issue alarm signal.
5. control device according to any one of claims 1-4, which is characterized in that the switching device is opened for button
It closes, the button switch is connected between two ports of the voltage regulator.
6. control device according to claim 1, which is characterized in that the control device further includes control panel, described
Display, voltage regulator and the switching device are respectively arranged at the control panel, and the display and described open
Close the same side that device is located at the control panel.
7. a kind of electricity generation system, which is characterized in that including generating set and control device, the control device includes derailing switch
Part;
Voltage detection device, the voltage detection device are used to detect the output voltage of the generating set;
Current sensing device, the current sensing device are used to detect the output electric current of the generating set;
Display, the display is for showing the output voltage and output electric current;
Voltage regulator, the voltage regulator and the switching device, voltage detection device, current sensing device and display
It is electrically connected, shape of the user based on switching device described in the output voltage and output current control shown on the display
State, the voltage regulator according to the state of the switching device control generating set work under constant pressure operating mode or
Under person's current limliting operating mode, wherein the state of the switching device is closed state or off-state.
8. electricity generation system according to claim 7, which is characterized in that also prestore a specified electricity in the voltage regulator
Pressure, the voltage regulator are also used to when the output voltage is greater than the voltage rating, control the generating set work
Under constant voltage mode.
9. electricity generation system according to claim 7, which is characterized in that the switching device is button switch, the button
Switch is connected between two ports of the voltage regulator.
10. electricity generation system according to claim 7, which is characterized in that the control device further includes control panel, described
Display, voltage regulator and the switching device are respectively arranged at the control panel, and the display and described open
Close the same side that device is located at the control panel.
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CN201910353635.2A CN109995285A (en) | 2019-04-28 | 2019-04-28 | A kind of control device and electricity generation system |
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CN201910353635.2A CN109995285A (en) | 2019-04-28 | 2019-04-28 | A kind of control device and electricity generation system |
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CN106602761A (en) * | 2015-10-14 | 2017-04-26 | 北京佩特来电器有限公司 | Generator for motor vehicle, voltage regulator and voltage control method |
CN109120195A (en) * | 2018-08-23 | 2019-01-01 | 国网江苏省电力有限公司盐城供电分公司 | A kind of synchronous generator brushless excitation regulating system |
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JP4453333B2 (en) * | 2003-10-20 | 2010-04-21 | シンフォニアテクノロジー株式会社 | Constant frequency and constant voltage power supply |
JP4889355B2 (en) * | 2006-04-12 | 2012-03-07 | 中国電力株式会社 | Field current control system |
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Application publication date: 20190709 |