CN208674875U - Electrical load selectivity off-grid system - Google Patents
Electrical load selectivity off-grid system Download PDFInfo
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- CN208674875U CN208674875U CN201820776776.6U CN201820776776U CN208674875U CN 208674875 U CN208674875 U CN 208674875U CN 201820776776 U CN201820776776 U CN 201820776776U CN 208674875 U CN208674875 U CN 208674875U
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- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 3
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
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Abstract
The utility model discloses a kind of electrical load selectivity off-grid systems, including generating set, off-grid controller, carry calculation device and on-load switch, it is integrated with memory, selection circuit and Comparison Circuit in off-grid controller, the generated output of generating set is stored in memory；The N number of load of the sequence successively decreased according to the priority level of power supply is respectively N1Load ... NnLoad, the priority level of the power supply of N number of load are stored in memory；N1Load ... NnLoad passes through S respectively1On-load switch ... SnOn-load switch is electrically connected to generating set.The utility model has the following beneficial effects: the part generating set in multiple generating sets breaks down, when undercapacity, is powered according to the sequence that power supply priority level is successively successively decreased to corresponding carried selective, make the load selectivity off-grid that do not power；Current fault generator group and load supplying situation in real time, intuitively show by display device.
Description
Technical field
The utility model relates to power supply technique fields, and in particular to a kind of electrical load selectivity off-grid system.
Background technique
According to design, the generated outputs of multiple generating sets >=by the load of multiple electric set electric supply, it is each to guarantee
Load can work normally.However, reality is there are causing undercapacity after the part generating set failure in multiple generating sets,
The case where all loads can not be driven, will lead to all equal cisco unity malfunctions of load.
Utility model content
The purpose of this utility model is to provide a kind of electrical load selectivity off-grid systems, to solve existing part hair
After motor group failure caused by undercapacity the problem of all loads equal cisco unity malfunction.
To achieve the above object, the technical solution of the utility model is
On the one hand the utility model discloses a kind of electrical load selectivity off-grid system comprising generating set, off-grid
Controller, carry calculation device and on-load switch, in which:
It is integrated with memory, selection circuit and Comparison Circuit in the off-grid controller, hair is stored in the memory
The generated output of motor group；
Load number in the electrical load selectivity off-grid system is N, and N >=2 are successively decreased according to the priority level of power supply
Sequentially N number of load is respectively N1Load ... NnLoad, the priority level of the power supply of N number of load are stored in the memory
It is interior；
N1Load ... NnLoad passes through S respectively1On-load switch ... SnOn-load switch is electrically connected to described
Generating set, the S1On-load switch ... the SnOn-load switch is connect with the selection circuit signal；
N1Load ... NnLoad passes through C respectively1Carry calculation device ... CnCarry calculation device with it is described
The connection of Comparison Circuit signal, the C1Carry calculation device ... the CnCarry calculation device is respectively used to calculate N1
Load ... NnThe load of load.
Preferably, the generating set is M group, and M >=2, the electrical load selectivity off-grid system further includes M power generation
Operating states of the units detection switch and M generating set generated output computing device, the generating set condition monitoring are opened
It closes and the motor group generated output computing device is connect with the off-grid controller signals.
Preferably, the off-grid controller is PLC controller.
Preferably, the comparison circuit is LM339 or LM393.
Preferably, the rotation circuit is data selector.
The utility model has the advantages that
When the part generating set in multiple generating sets breaks down, so that generated output is less than, institute is loaded always to be born
When lotus, that is, when leading to undercapacity, powered according to the sequence that power supply priority level is successively successively decreased to corresponding carried selective, also
Even if the load that do not power carries out off-grid, to guarantee that the high load of power supply priority level can work normally, to realize choosing
Selecting property off-grid, to ensure the safety of greater degree load；
By display device, current fault generator group and load supplying situation in real time, intuitively show, are convenient for
Administrative staff understand the failure and load supplying situation of generating set, play directive function to work such as subsequent maintenance.
Detailed description of the invention
Fig. 1 is the circuit diagram of electrical load selectivity off-grid system described in the utility model；
Fig. 2 is the control figure of electrical load selectivity off-grid system described in the utility model.
Specific embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
On the one hand the utility model discloses a kind of electrical load selectivity off-grid system, referring to Fig. 1 and Fig. 2 comprising
Generating set, off-grid controller, carry calculation device and on-load switch, in which:
It is integrated with memory, selection circuit and Comparison Circuit in the off-grid controller, hair is stored in the memory
The generated output of motor group；
Load number in the electrical load selectivity off-grid system is N, and N >=2 are successively decreased according to the priority level of power supply
Sequentially N number of load is respectively N1Load ... NnLoad, the priority level of the power supply of N number of load are stored in the memory
It is interior；
N1Load ... NnLoad passes through S respectively1On-load switch ... SnOn-load switch is electrically connected to described
Generating set, the S1On-load switch ... the SnOn-load switch is connect with the selection circuit signal；
N1Load ... NnLoad passes through C respectively1Carry calculation device ... CnCarry calculation device with it is described
The connection of Comparison Circuit signal, the C1Carry calculation device ... the CnCarry calculation device is respectively used to calculate N1
Load ... NnThe load of load.
It should be noted that the formulation of above-mentioned power supply priority level is according to for the shadow after the importance of electric loading, power-off
Size etc. is rung to determine, is input in memory after determining by programming.
In addition, C1Carry calculation device ... CnA kind of implementation of carry calculation device is as follows, bears accordingly
Series voltage table and ammeter in load, to detect the real-time voltage and real-time current of corresponding load, the voltage signal and electric current
Signal is transferred to off-grid controller and after off-grid controller operation, obtains the product of real-time voltage and real real-time current, as should
Locate the real-time load of load, which is dynamic detection, guarantees the reliability of system work, it is contemplated that the shadow of supply variation
It rings.
A kind of electrical load selectivity offline method comprising:
Calculate the generated output of generating set；
The load respectively loaded on power grid is calculated, and each load is added to obtain the loaded total load of institute；
Load is classified according to the power supply priority level of load, it is negative in the electrical load selectivity off-grid system
Load number is N, and N >=2, the N number of load of the sequence successively decreased according to the priority level of power supply is respectively N1Load ... NnLoad；
By the load of the generated output of generating set and each load and comparison,
When the generated output of generating set >=total load to all load supplyings；
When the generated output of generating set is less than the total load, it is powered according to the power supply priority level, and
And the sum of the load of the load for the generated output of generating set >=be powered.
When the part generating set in multiple generating sets breaks down, so that generated output is less than, institute is loaded always to be born
When lotus, that is, when leading to undercapacity, powered according to the sequence that power supply priority level is successively successively decreased to corresponding carried selective, also
Even if the load that do not power carries out off-grid, to guarantee that the high load of power supply priority level can work normally, to realize choosing
Selecting property off-grid, to ensure the safety of greater degree load.
Embodiment 2
On the basis of embodiment 1, the present embodiment further includes such as display screen display device, the display device with it is described
The connection of off-grid controller signals.By display device, current fault generator group and load supplying situation are carried out in real time, directly
Display is seen, the failure and load supplying situation of generating set are understood convenient for administrative staff, finger is played to work such as subsequent maintenance
Lead effect.
Embodiment 3
On the basis of embodiment 2, the generating set is M group, and M >=2, the electrical load selectivity off-grid system is also
Including M generating set condition monitoring switch and M generating set generated output computing device, M generating set operation
State-detection switch respectively the 1st generating set operation detecting switch ... M generating set operation detecting switch, M power generation
Power of the assembling unit computing device is respectively the 1st generating set power computing device and M generating set power computing device, the hair
Motor group condition monitoring switch and the motor group generated output computing device are connect with the off-grid controller signals.
Generating set condition monitoring switch is selected and the concatenated ammeter of corresponding generating set herein, when there is electric current
When flowing through generating set, i.e., there is electric current to pass through in ammeter.
In addition, generating set power computing device select with the concatenated voltmeter of corresponding generating set, with detect generate electricity
Real-time voltage when unit works, the real-time current of corresponding generating set, voltage signal are detected in conjunction with above-mentioned ammeter
After passing to off-grid controller with current signal, by off-grid controller operation, the product of voltage and electric current is obtained to get generator is arrived
The real-time generated output of group, the testing result are dynamic detection, guarantee the reliability of system work, it is contemplated that the shadow of supply variation
It rings.
Embodiment 4
On the basis of embodiment 2, the off-grid controller is PLC controller.
Preferably, the comparison circuit is LM339 or LM393.
Preferably, the rotation circuit is data selector.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (6)
1. a kind of electrical load selectivity off-grid system, which is characterized in that including generating set, off-grid controller, carry calculation
Device and on-load switch, in which:
It is integrated with memory, selection circuit and Comparison Circuit in the off-grid controller, is stored with generator in the memory
The generated output of group；
Load number in the electrical load selectivity off-grid system is N, N >=2, the sequence successively decreased according to the priority level of power supply
N number of load is respectively N1Load ... NnLoad, the priority level storage of the power supply of N number of load is in the memory；
N1Load ... NnLoad passes through S respectively1On-load switch ... SnOn-load switch is electrically connected to the power generation
Unit, the S1On-load switch ... the SnOn-load switch is connect with the selection circuit signal；
N1Load ... NnLoad passes through C respectively1Carry calculation device ... CnCarry calculation device is compared with described
Circuit signal connection, the C1Carry calculation device ... the CnCarry calculation device is respectively used to calculate N1It is negative
Carry ... NnThe load of load.
2. electrical load selectivity off-grid system according to claim 1, which is characterized in that the generating set is M group,
M >=2, the electrical load selectivity off-grid system further include M generating set condition monitoring switch and M generating set
Generated output computing device, generating set condition monitoring switch and the motor group generated output computing device with
The off-grid controller signals connection.
3. electrical load selectivity off-grid system according to claim 1 or 2, which is characterized in that the off-grid controller
For PLC controller.
4. electrical load selectivity off-grid system according to claim 3, which is characterized in that the comparison circuit is
LM339 or LM393.
5. electrical load selectivity off-grid system according to claim 4, which is characterized in that the selection circuit is data
Selector.
6. electrical load selectivity off-grid system according to claim 5, which is characterized in that it further include display device, institute
Display device is stated to connect with the off-grid controller signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820776776.6U CN208674875U (en) | 2018-05-23 | 2018-05-23 | Electrical load selectivity off-grid system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820776776.6U CN208674875U (en) | 2018-05-23 | 2018-05-23 | Electrical load selectivity off-grid system |
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| CN208674875U true CN208674875U (en) | 2019-03-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108631322A (en) * | 2018-05-23 | 2018-10-09 | 辛集市澳森钢铁有限公司 | Electrical load selectivity off-grid system and method |
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2018
- 2018-05-23 CN CN201820776776.6U patent/CN208674875U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108631322A (en) * | 2018-05-23 | 2018-10-09 | 辛集市澳森钢铁有限公司 | Electrical load selectivity off-grid system and method |
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| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 052360 Hebei, Shijiazhuang, Xinji, South Chi Chiu Zhao Ma Village East Patentee after: Xinji Aosen iron and Steel Group Co.,Ltd. Address before: 052360 Hebei, Shijiazhuang, Xinji, South Chi Chiu Zhao Ma Village East Patentee before: XINJI AOSEN IRON & STEEL Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 052360 Nan Zhi Qiu Zhao Ma Cun Dong Cun, Xinji City, Shijiazhuang City, Hebei Province Patentee after: Xinji Aosen Special Steel Group Co.,Ltd. Address before: 052360 Nan Zhi Qiu Zhao Ma Cun Dong Cun, Xinji City, Shijiazhuang City, Hebei Province Patentee before: Xinji Aosen iron and Steel Group Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20231026 Address after: 052360 East of Zhaoma Village, Nanzhiqiu Town, Xinji City, Hebei Province Patentee after: Xinji Gangxin New Building Materials Co.,Ltd. Address before: 052360 Nan Zhi Qiu Zhao Ma Cun Dong Cun, Xinji City, Shijiazhuang City, Hebei Province Patentee before: Xinji Aosen Special Steel Group Co.,Ltd. |