CN204304619U - A kind of photovoltaic electric field box-type substation measure and control device - Google Patents
A kind of photovoltaic electric field box-type substation measure and control device Download PDFInfo
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- CN204304619U CN204304619U CN201420835262.5U CN201420835262U CN204304619U CN 204304619 U CN204304619 U CN 204304619U CN 201420835262 U CN201420835262 U CN 201420835262U CN 204304619 U CN204304619 U CN 204304619U
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- electric field
- control device
- type substation
- photovoltaic electric
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
Abstract
The utility model discloses a kind of photovoltaic electric field box-type substation measure and control device, comprise housing and measurement and control unit, it is characterized in that: the switching input module that measurement and control unit comprises CPU module and is connected with CPU module, switching value output module, AC/DC sampling module, semaphore output module, fieldbus communications module, ethernet communication module, wireless sensing communication module, human-computer interaction module, AC/DC sampling module is connected with solar DC output module and AC load, solar DC output module is connected with inverter, inverter is connected with AC load and transducer, switching input module, switching value output module, AC/DC sampling module, semaphore output module is also connected with protected location.The utility model compact conformation, simple operation, excellent performance, good reliability, strong security, flexibility is good, cost is lower, intelligence degree is high.
Description
Technical field
The utility model relates to solar photovoltaic electric power observation and control technology field, especially relates to a kind of photovoltaic electric field box-type substation measure and control device.
Background technology
Domestic produced photovoltaic electric field box-type substation distributing automation apparatus only can realize conventional electrical amount as the measurement of electric current, voltage, power, power factor (PF) harmonic wave etc. and Presentation Function at present, with the interaction function of user, user to the self-healing required by the intelligent grids such as the communication function of electricity consumption selection function, Ethernet, safety, compatibility, coordination, integrated, high-quality, efficient, mutual etc. in have larger gap, be particularly blank in compatibility, self-healing, the function aspects such as mutual.
Traditional Automation of Electric Systems device and relaying protection are relatively independent systems; the state monitoring of equipment dress and environmental monitoring do not realize in the function of protective device; along with becoming stronger day by day of embedded system function; go deep into the application of wireless sensor communication network technology; for intelligent switch, the safe operation of the electric equipment such as intelligent box substation, intelligent ring main unit, Automated condtrol and information interaction provide technical guarantee.
Apply in intelligent grid at wireless sensor network although domestic and had trial; but in this field of power distribution network intelligent protection; also do not have applicable product to occur, simultaneously domestic in application process product is still blank in secure accessing and communication network connection.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of photovoltaic electric field box-type substation measure and control device is provided, the utility model take high-performance microprocessor as control core, adopt current transformer, voltage transformer, temperature sensor and humidity sensor are as detecting element, simultaneously to 4 road current signals, 3 road voltage signals, 8 road direct current temperature-humidity signal are monitored, protection adopts syllogic overcurrent protection, inverse time over-current protection, zero-sequence current protection, non-ionizing energy loss, temperature protection, ambient temperature and humidity is protected.Consider the flexibility of system group network, adopt advanced network communication of wireless sensor technology.Transformer station measurement and control device of the present utility model can realize following function with power distribution automation master station communication: power distribution network operation of electric element status monitoring and relay protection function; Remote signalling, remote measurement, remote regulating, distant control function; Remote maintenance, remote diagnosis, realize the requirements such as " self-healing " of intelligent grid.It is reasonable in design, compact conformation, simple operation, excellent performance, good reliability, strong security, flexibility is good, cost is lower, intelligence degree is high.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of photovoltaic electric field box-type substation measure and control device, the measurement and control unit comprising housing and be arranged in housing and protected location, is characterized in that: described measurement and control unit comprises CPU module, switching input module, switching value output module, AC/DC sampling module, semaphore output module, fieldbus communications module, ethernet communication module, wireless sensing communication module, human-computer interaction module, described CPU module and fieldbus communications module, ethernet communication module, wireless sensing communication module, human-computer interaction module connects, described CPU module input and switching input module, AC/DC sampling model calling, described CPU module output and switching value output module, semaphore output module connects, described AC/DC sampling module input is connected with solar DC output module and AC load, described solar DC output module output is connected with inverter, and described inverter is connected with AC load and transducer, described switching input module, switching value output module, AC/DC sampling module, semaphore output module is also connected with protected location.
Described protected location comprises overcurrent protection module, overload module, inverse time lag module, zero sequence excess current module, over-voltage protection module, under-voltage protection module, non-ionizing energy loss module, TV burn out detection module, plant failure alarm module.
Described CPU module is 16 bit DSP+MCU microprocessors.
Described switching input module is be arranged on CPU card Nei 20 road to access passive opening into contact and the interface element having source contact.
Described switching value output module is divided into two classes, and a class is No. six relays for driving breaker tripping and closing to export, another kind of for driving No. six relays of alarm, call and signal return.
Described ethernet communication module is technical grade Ethernet RJ-45 interface.
Described fieldbus communications module is RS485 or RS232 interface.
Described human-computer interaction module adopts separate CPU to control, and display window adopts four lines, the often liquid crystal display of row 12 Chinese characters, and is configured to PZ1000 series protective device.
Described AC/DC sampling module is made up of voltage changer and power pack and parallel resistance.
Described housing adopts the 6U cabinet of 1/3.
The utility model compared with prior art has the following advantages:
1, the utility model becomes observing and controlling based on the power distribution network intelligent box of wireless sensor network, the radio communication that the structure of Distribution Network Communication network is introduced, jump out the quantitative limitation of device terminals number, the electric parameters making to monitor, non-electric quantity growth at double, no longer by the restriction of signal cable laying, landform, especially concerning System Expansion, revolutionize the problem that dilatation is great in constructing amount, the reply of the interruption of the communication channel simultaneously caused as earthquake for emergency episode is also very flexible;
2, the utility model all devises corresponding protected location to each signal detection module, collection electric quantity monitoring, relaying protection, microcomputer control, ambient temperature and humidity are monitored and are adjusted to one, compact conformation, improve the normal operation circumstances needed for equipment, ensure that the safe operation of equipment, effectively reduce distribution system accident frequency rate, make operation power safety, reliability is high;
3, the utility model is mainly used in outdoor ring main unit, box-type substation, switch cubicle, and XTP821 intelligent protection device all adopts industry and device, and has three to put design, meets outdoor adverse circumstances service requirement;
4, structure of the present utility model adopts the back of the body to insert the whole panel designs of formula, can shake by preventing dust, and cabinet panel adopts advanced aethetics in industry design, and Rational function division is easy to use.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is photovoltaic electric field box-type substation measure and control device composition frame chart of the present utility model;
Fig. 2 is photovoltaic electric field box-type substation measure and control device protected location composition frame chart of the present utility model;
Fig. 3 is overcurrent protection module schematic diagram of the present utility model;
Fig. 4 is overload module principle figure of the present utility model;
Fig. 5 is zero sequence excess current module principle figure of the present utility model;
Fig. 6 is over-voltage protection module schematic diagram of the present utility model;
Fig. 7 is under-voltage protection module principle figure of the present utility model;
Fig. 8 is non-ionizing energy loss module principle figure of the present utility model;
Fig. 9 is TV burn out detection module principle figure of the present utility model;
Figure 10 is cabinet Facad structure sketch of the present utility model;
Figure 11 is cabinet structure sketch of the present utility model;
Figure 12 is cabinet side structure sketch of the present utility model.
Embodiment
As depicted in figs. 1 and 2, a kind of photovoltaic electric field box-type substation measure and control device, comprises housing and the measurement and control unit be arranged in housing and protected location 14, it is characterized in that: described measurement and control unit comprises CPU module 1, switching input module 2, switching value output module 6, AC/DC sampling module 3, semaphore output module 7, fieldbus communications module 4, ethernet communication module 5, wireless sensing communication module 8, human-computer interaction module 9, described CPU module 1 and fieldbus communications module 4, ethernet communication module 5, wireless sensing communication module 8, human-computer interaction module 9 connects, described CPU module 1 input and switching input module 2, AC/DC sampling module 3 connects, described CPU module 1 output and switching value output module 6, semaphore output module 7 connects, described AC/DC sampling module 3 input is connected with solar DC output module 10 and AC load 11, described solar DC output module 10 output is connected with inverter 12, described inverter 12 is connected with AC load 11 and transducer 13, described switching input module 2, switching value output module 6, AC/DC sampling module 3, semaphore output module 7 is also connected with protected location 14.
Wherein, transducer 13 comprises temperature sensor, voltage sensor, current sensor, radiation transducer, for gathering solar irradiation, solar cell plate temperature, solar battery array column voltage, battery tension, solar cell array electric current, battery current etc.
Protected location 14 comprises overcurrent protection module, overload module, inverse time lag module, zero sequence excess current module, over-voltage protection module, under-voltage protection module, non-ionizing energy loss module, TV burn out detection module, plant failure alarm module.
As shown in Figure 3, be overcurrent protection module schematic diagram, it calculates in real time and carries out three sections of overcurrent discriminations.
As shown in Figure 4, be overload module principle figure, it monitors three-phase protective electric current, and overload is reported to the police and the selection of tripping operation is selected by soft pressing plate.
As shown in Figure 5, be zero sequence excess current module principle figure, the implementation of zero sequence excess current element is basic identical with overcurrent protection element, can select to act on tripping operation or alarm.
As shown in Figure 6 and Figure 7, being respectively over-voltage protection module and under-voltage protection module, respectively three-phase electricity overvoltage and low-voltage being detected, tripping when transfiniting.
This device is provided with 6 road non-ionizing energy loss functions, and thrown by soft pressing plate and move back, protection philosophy as shown in Figure 8.
This device is configured with TV burn out detection function, and device detects that the time delay of TV broken string sends alarm signal, and after voltage resume normal (line voltage is greater than 80V), protection returns.TV burn out detection principle is as shown in Fig. 9.
In addition, the hardware failure of protective device, device liquid crystal can show fault message, and drives abnormal relay to send out alarm signal, latch-up protection simultaneously.And it also can realize remote signalling, remote control and telemetry function.Wherein remote signalling refers to the intake signals such as various protection act signal and circuit breaker position; Remote control refers to that a distant place controls breaker tripping and closing, tune (amendment) definite value etc.; Remote measurement refers to high and low pressure side electric current, voltage, frequency, meritorious, idle etc.
Finally, this device, except register system noisy data, goes back the Action Events of tape deck, state input variable displacement event, change definite value event and device alarm event etc., protection event 32, alarm event 32.
In the present embodiment, described CPU module 1 is 16 bit DSP+MCU microprocessors.There is extremely strong data processing and registering capacity, the troubleshooting scheme of various complexity can be realized and protect definite value etc. to run configuration information storage, and recording a large amount of fault datas.Can record trouble information 32, warning information 32.These information all can not be lost after device power down.
In the present embodiment, in order to be arranged on, the access of CPU card Nei 20 tunnel is passive opens into contact and the interface element having source contact described switching input module 2.
In the present embodiment, described switching value output module 6 is divided into two classes, and a class is No. six relays for driving breaker tripping and closing to export, another kind of for driving No. six relays of alarm, call and signal return.
In the present embodiment, described ethernet communication module 5 is technical grade Ethernet RJ-45 interface.
In the present embodiment, described fieldbus communications module 4 is RS485 or RS232 interface.
In the present embodiment, described human-computer interaction module 9 adopts separate CPU to control, and display window adopts four lines, the often liquid crystal display of row 12 Chinese characters, and is configured to PZ1000 series protective device.
In the present embodiment, described AC/DC sampling module 3 is made up of voltage changer and power pack and parallel resistance.
In the present embodiment, described housing adopts the 6U cabinet of 1/3.As shown in Figure 10,11,12, be respectively three structure diagrams of cabinet front, the back side and side, its assembling adopts the back of the body to insert the whole panel designs of formula, can preventing dust vibrations, and cabinet panel adopts advanced aethetics in industry design, and Rational function division is easy to use.
The utility model take high-performance microprocessor as control core; adopt current transformer, voltage transformer, temperature sensor and humidity sensor as detecting element; monitor 4 road current signals, 3 road voltage signals, 8 road direct current temperature-humidity signal, protection adopts syllogic overcurrent protection, inverse time over-current protection, zero-sequence current protection, non-ionizing energy loss, temperature protection, ambient temperature and humidity protection simultaneously.Consider the flexibility of system group network, adopt advanced network communication of wireless sensor technology.Transformer station measurement and control device of the present utility model can realize following function with power distribution automation master station communication: power distribution network operation of electric element status monitoring and relay protection function; Remote signalling, remote measurement, remote regulating, distant control function; Remote maintenance, remote diagnosis, realize the requirements such as " self-healing " of intelligent grid.
In sum, the utility model breaches the function singleness of traditional automation equipment, poor information shares intelligent low problem, introduce this emerging technology of wireless sensor network, solve the access problem that the large volume and electricity non electrical quantity of intelligent distribution network detects data, and consider the safety issue of power distribution network wireless network access simultaneously.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection range of technical solutions of the utility model.
Claims (10)
1. a photovoltaic electric field box-type substation measure and control device, comprises housing and the measurement and control unit be arranged in housing and protected location (14), it is characterized in that: described measurement and control unit comprises CPU module (1), switching input module (2), switching value output module (6), AC/DC sampling module (3), semaphore output module (7), fieldbus communications module (4), ethernet communication module (5), wireless sensing communication module (8), human-computer interaction module (9), described CPU module (1) and fieldbus communications module (4), ethernet communication module (5), wireless sensing communication module (8), human-computer interaction module (9) connects, described CPU module (1) input and switching input module (2), AC/DC sampling module (3) connects, described CPU module (1) output and switching value output module (6), semaphore output module (7) connects, described AC/DC sampling module (3) input is connected with solar DC output module (10) and AC load (11), described solar DC output module (10) output is connected with inverter (12), described inverter (12) is connected with AC load (11) and transducer (13), described switching input module (2), switching value output module (6), AC/DC sampling module (3), semaphore output module (7) is also connected with protected location (14).
2., according to a kind of photovoltaic electric field box-type substation measure and control device according to claim 1, it is characterized in that: described protected location (14) comprises overcurrent protection module, overload module, inverse time lag module, zero sequence excess current module, over-voltage protection module, under-voltage protection module, non-ionizing energy loss module, TV burn out detection module, plant failure alarm module.
3. according to a kind of photovoltaic electric field box-type substation measure and control device according to claim 1, it is characterized in that: described CPU module (1) is 16 bit DSP+MCU microprocessors.
4. according to a kind of photovoltaic electric field box-type substation measure and control device according to claim 1, it is characterized in that: in order to be arranged on, the access of CPU card Nei 20 tunnel is passive opens into contact and the interface element having source contact described switching input module (2).
5. according to a kind of photovoltaic electric field box-type substation measure and control device according to claim 1, it is characterized in that: described switching value output module (6) is divided into two classes, one class is No. six relays for driving breaker tripping and closing to export, and another kind of is No. six relays for driving alarm, call and signal return.
6. according to a kind of photovoltaic electric field box-type substation measure and control device according to claim 1, it is characterized in that: described ethernet communication module (5) is technical grade Ethernet RJ-45 interface.
7., according to a kind of photovoltaic electric field box-type substation measure and control device according to claim 1, it is characterized in that: described fieldbus communications module (4) is RS485 or RS232 interface.
8. according to a kind of photovoltaic electric field box-type substation measure and control device according to claim 1; it is characterized in that: described human-computer interaction module (9) adopts separate CPU to control; display window adopts four lines; the often liquid crystal display of row 12 Chinese characters, and be configured to PZ1000 series protective device.
9. according to a kind of photovoltaic electric field box-type substation measure and control device according to claim 1, it is characterized in that: described AC/DC sampling module (3) is made up of voltage changer and power pack and parallel resistance.
10. according to a kind of photovoltaic electric field box-type substation measure and control device according to claim 1, it is characterized in that: described housing adopts the 6U cabinet of 1/3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420835262.5U CN204304619U (en) | 2014-12-25 | 2014-12-25 | A kind of photovoltaic electric field box-type substation measure and control device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420835262.5U CN204304619U (en) | 2014-12-25 | 2014-12-25 | A kind of photovoltaic electric field box-type substation measure and control device |
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| CN204304619U true CN204304619U (en) | 2015-04-29 |
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| CN201420835262.5U Expired - Fee Related CN204304619U (en) | 2014-12-25 | 2014-12-25 | A kind of photovoltaic electric field box-type substation measure and control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160235A (en) * | 2016-08-30 | 2016-11-23 | 安徽兴广泰新能源技术有限公司 | Photovoltaic plant intelligent monitoring communication all-in-one |
| CN106201627A (en) * | 2016-07-21 | 2016-12-07 | 南京大全自动化科技有限公司 | A kind of new forms of energy photovoltaic case becomes TT&C system and teleprogram method for edition management thereof |
-
2014
- 2014-12-25 CN CN201420835262.5U patent/CN204304619U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106201627A (en) * | 2016-07-21 | 2016-12-07 | 南京大全自动化科技有限公司 | A kind of new forms of energy photovoltaic case becomes TT&C system and teleprogram method for edition management thereof |
| CN106160235A (en) * | 2016-08-30 | 2016-11-23 | 安徽兴广泰新能源技术有限公司 | Photovoltaic plant intelligent monitoring communication all-in-one |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20171225 |