CN206712478U - A kind of distributed photovoltaic power generation grid-connected system - Google Patents
A kind of distributed photovoltaic power generation grid-connected system Download PDFInfo
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- CN206712478U CN206712478U CN201720271834.5U CN201720271834U CN206712478U CN 206712478 U CN206712478 U CN 206712478U CN 201720271834 U CN201720271834 U CN 201720271834U CN 206712478 U CN206712478 U CN 206712478U
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- 238000010248 power generation Methods 0.000 title claims abstract description 63
- 101150028119 SPD1 gene Proteins 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The utility model discloses a kind of distributed photovoltaic power generation grid-connected system, including multiple photovoltaic power generation grid-connecting systems, photovoltaic power generation grid-connecting system includes the photovoltaic module string being made up of the photovoltaic module of multiple series connection, for photovoltaic generation, photovoltaic power generation grid-connecting system also includes direct current conflux case, group string inverter and A.C. distribution box, photovoltaic module string connects direct current conflux case by DC line, group string inverter is connected between direct current conflux case and A.C. distribution box, and A.C. distribution box accesses 220 volts or 380 volts of power networks by alternating current circuit.The utility model can accurately disconnect its connection with grid side, be transferred to off-grid operation state, security reliability is high, simple in construction, expansion capability is strong.
Description
Technical field
Photovoltaic power generation grid-connecting technical field is the utility model is related to, more particularly to a kind of grid-connected system of distributed photovoltaic power generation
System.
Background technology
Photovoltaic power station is mainly used in the electrical problem for solving user nearby, passes through the grid-connected benefit for realizing difference of powering
Repay and send outside, general single station capacity is smaller, is usually incorporated into low-voltage network.After distributed photovoltaic power generation access power distribution network,
The plant-grid connection distributed architecture of current power network is changed, power distribution network is changed into the multidirectional trend knot of multiport from pure load radiativity structure
Structure, a large amount of generating equipments access, are grid-connected, normal operation of power networks, Maintenance and Repair certainly will be given to bring security risk.It is existing big
The technical problems such as security is low, complicated, expansion capability is poor be present in most grid-connected photovoltaic systems.
Utility model content
The technical problems to be solved in the utility model is to be directed to above-mentioned the deficiencies in the prior art, there is provided a kind of distributed photovoltaic
Electricity generation grid-connecting system, its connection with grid side can be accurately disconnected, be transferred to off-grid operation state, security reliability is high, structure letter
List, expansion capability are strong.
In order to solve the above technical problems, technical solution adopted in the utility model is：
A kind of distributed photovoltaic power generation grid-connected system, including multiple photovoltaic power generation grid-connecting systems, photovoltaic power generation grid-connecting system
Including the photovoltaic module string being made up of the photovoltaic module of multiple series connection, for photovoltaic generation, photovoltaic power generation grid-connecting system also includes
Direct current conflux case, group string inverter and A.C. distribution box, photovoltaic module string connect direct current conflux case, group string by DC line
Formula inverter is connected between direct current conflux case and A.C. distribution box, and A.C. distribution box accesses 220 volts or 380 volts by alternating current circuit
Power network；Direct current conflux case includes dc circuit breaker and the first Intelligent power distribution device, dc circuit breaker are connected on direct current conflux case
Input circuit, the first Intelligent power distribution device are connected in parallel on the input circuit of direct current conflux case, and the first Intelligent power distribution device is used to monitor
The input circuit of direct current conflux case；A.C. distribution box includes metering device, the second Intelligent power distribution device and AC circuit breaker, metering
Device is connected on the input circuit of A.C. distribution box, and AC circuit breaker is connected on the input circuit of A.C. distribution box, the second intelligence
Power distribution equipment is connected in parallel on the input circuit of A.C. distribution box, and the input that the second Intelligent power distribution device is used to monitor A.C. distribution box is returned
Road.
Further, when the capacity of the photovoltaic module string in photovoltaic power generation grid-connecting system is 8 kilowatts and is following, photovoltaic generation
Grid-connected system accesses 220 volts of power networks.
Further, when between the capacity of the photovoltaic module string in photovoltaic power generation grid-connecting system being 8 kilowatts to 400 kilowatts,
380 volts of power networks of photovoltaic power generation grid-connecting system access.
Further, maximum DC input voitage/mono- photovoltaic module of the number of photovoltaic module≤group string inverter
The open-circuit voltage of default low temperature under running conditions.
Further, minimum value/mono- photovoltaic module of the maximal power tracing voltage of string inverter is organized in work bar
Maximum/mono- light of the maximal power tracing voltage of operating voltage≤number of default high temperature under part≤group string inverter
Lie prostrate the operating voltage of the default low temperature of component under running conditions.
Further, it is provided with lightning protection device in direct current conflux case.
Further, the input circuit of direct current conflux case is provided with overcurrent protective device.
Further, the input circuit of direct current conflux case is provided with counterflow-preventing protection device.
Further, the output loop of direct current conflux case is provided with isolating and protecting device.
Further, lightning protection device is provided with A.C. distribution box, the input circuit of A.C. distribution box is protected provided with excessively stream
Protection unit, the output loop of A.C. distribution box are provided with isolating and protecting device.
It is using beneficial effect caused by above-mentioned technical proposal：The utility model provides a kind of distributed photovoltaic hair
Electric grid-connected system, it can be ensured that when permanent fault occurs for grid side, distributed photovoltaic power generation system can accurately disconnect and grid side
Connection, be transferred to off-grid operation state, solve distributed photovoltaic power generation system can not quasi- off-network may jeopardize distribution O＆M inspection
The problem of repairing personal security；Simultaneously, it can be ensured that when temporary fault occurs for grid side, distributed photovoltaic power generation system keeps grid-connected
State waiting system recovers normal, solves grid side and distribution photovoltaic generating system frequent off-grid during voltage disturbance occurs and shadow
The problem of ringing distributed photovoltaic power generation.The utility model security reliability is high, simple in construction, expansibility is strong.
Brief description of the drawings
Fig. 1 is the electrical schematic diagram of photovoltaic power generation grid-connecting system in the utility model embodiment；
Fig. 2 is the circuit diagram of 220 volts of power networks of photovoltaic power generation grid-connecting system access in the utility model embodiment；
Fig. 3 is the circuit diagram of 380 volts of power networks of photovoltaic power generation grid-connecting system access in the utility model embodiment.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, be a kind of one embodiment of distributed photovoltaic power generation grid-connected system of the utility model, including it is multiple
Photovoltaic power generation grid-connecting system.Photovoltaic power generation grid-connecting system includes the photovoltaic module string being made up of the photovoltaic module of multiple series connection, uses
In photovoltaic generation.Photovoltaic power generation grid-connecting system also includes direct current conflux case, group string inverter and A.C. distribution box, photovoltaic module
String connects direct current conflux case by DC line, and group string inverter is connected between direct current conflux case and A.C. distribution box, exchanged
Distribution box accesses 220 volts or 380 volts of power networks by alternating current circuit；Direct current conflux case includes dc circuit breaker (QF1) and the first intelligence
Energy power distribution equipment (SPD1), dc circuit breaker (QF1) are connected on the input circuit of direct current conflux case, the first Intelligent power distribution device
(SPD1) input circuit of direct current conflux case is connected in parallel on, the first Intelligent power distribution device (SPD1) is used to monitor direct current conflux case
Input circuit；A.C. distribution box includes metering device (FM), the second Intelligent power distribution device (SPD2) and AC circuit breaker (QF2),
Metering device (FM) is connected on the input circuit of A.C. distribution box, and AC circuit breaker (QF2) is connected on the input of A.C. distribution box
Loop, the second Intelligent power distribution device (SPD2) are connected in parallel on the input circuit of A.C. distribution box, the second Intelligent power distribution device (SPD2)
For monitoring the input circuit of A.C. distribution box.
After the access of distributed photovoltaic power generation grid-connected system, admissible deviation of supply volt- age is：
1) 10kV and following three phase supply voltage tolerance are ± the 7% of rated voltage.
2) 220V single phase power supplies voltage tolerance is+the 7% and -10% of rated voltage.
Photovoltaic power generation grid-connecting system is set up on existing building, it is necessary to carry out fabric structure and electric safety is answered
Core, meet building structure and electric security requirement.
Photovoltaic power generation grid-connecting system on civil construction roof, should be likely to contact or close position in personnel
Put, protection against electric shock alarming sign and corresponding electrical safety safeguard procedures should be designed with.
Selection group string inverter is combining inverter in the utility model.
The selection of combining inverter should also follow following principle：
1. combining inverter should possess automatic running and stop function, maximal power tracing control function and prevent isolated island from imitating
Answer function；
2. adverse current type combining inverter should possess automatic voltage adjustment function；
3. should possess DC detecting function without the combining inverter of power frequency isolation transformer；
4. the combining inverter without isolating transformer should possess DC earthing detection function；
5. combining inverter there should be grid-connected protection device, possess identical voltage, the number of phases, phase, frequency with power system
Rate and the mode of connection；
6. the selection of combining inverter should meet the efficient, requirement of energy-saving and environmental protection.
In the utility model, the design of DC line should follow following principle：
1. stress levels should be higher than that 1.25 times of photovoltaic arrays maximum output voltage；
2. rated current-carrying capacity should be higher than that short-circuit protective device setting valve, short-circuit protective device setting valve should be higher than that photovoltaic arrays
1.25 times of nominal short circuit current；
3. line loss should be controlled within 2%.The rated capacity of group string inverter should be according to photovoltaic power generation grid-connecting system
Installed capacity of uniting determines that the quantity of inverter should be according to photovoltaic power generation grid-connecting system installed capacity and single inverter rated capacity
It is determined that.
Photovoltaic power generation grid-connecting system should be set between supply load and combining inverter between shared power network and load
Disconnecting switch, disconnecting switch should have the instruction of obvious cut-off point and function off zero.
Isolating device should be set between photovoltaic power generation grid-connecting system and public electric wire net.Photovoltaic power generation grid-connecting system should at grid-connected place
Grid-connected Special low-voltage switch-box (cabinet) is set, and specific identity and " warning ", " dual power supply " tip of the text and symbol should be set.
The grid-connected Special low-voltage switch-box (cabinet) that photovoltaic power generation grid-connecting system is set at grid-connected place should be set keeps apart manually
Close and automatic citrcuit bearker, breaker should use the mechanical switch with visual breakpoint；Unless local power pack requirement, otherwise must not
Using electronic switch.
Disconnecting switch and breaker between photovoltaic power generation grid-connecting system and utility network all should have function off zero, and phase
Line and zero line should be able to disjunction and combined floodgates simultaneously.
Disconnecting switch should be met the following requirements：
1. the isolation distance between breaking-off contact, answer visible or can substantially indicate " closed " and "off" state；
2. isolation electrical equipment should be able to prevent from unexpectedly closing；
3. should have prevents the unexpected locking measure for disconnecting isolation electrical equipment.
Isolation electrical equipment should use following electrical equipment：
1. single-stage or multi-stage isolation device, disconnecting switch or stab contact；
2. plug and socket；
3. connection sheet；
4. the special terminal of wire need not be removed；
5. fuse；
6. switch and breaker with isolation features.
Photovoltaic power generation grid-connecting system should have automatic detection function and grid-connected tripping protection function, and should meet following want
Ask：
1. photovoltaic power generation grid-connecting system should install electric network protection device, and should meet national current standard《Photovoltaic (PV) system
System grid interface characteristic》GB/T20046 relevant regulations；
2. when the utility network quality of power supply transfinites, photovoltaic power generation grid-connecting system should automatically with utility network off-the-line, in public affairs
Within 5min after recovering normal with power grid quality, photovoltaic power generation grid-connecting system must not power to power network.
3. selecting miniature or mold cased circuit breaker, equipment connecting-disconnecting function is selected according to short circuit current level, and one need to be left
Determine nargin, breaker should possess power end and load side reversal connection ability.
4. when using synchronizing mode is concentrated, the breaker of grid entry point should possess short-circuit instantaneous, long delay protection function and
Shunted exciter tripping, undervoltage tripping function, when short trouble occurs for circuit, route protection energy quick acting, instantaneous tripping circuit breaker, completely
The requirement of fast and reliable excision failure during sufficient all fronts failure.The auxiliary that breaker should also possess reaction failure machine running status connects
Point.
220V and 380V voltage class does not configure the detection of anti-isolated island and automatic safety device, using possessing anti-isolated island ability
Inverter, inverter must possess fast slowdown monitoring isolated island and disconnect the ability being connected with power network immediately after monitoring isolated island.
The electric power meter of photovoltaic power generation grid-connecting system should be met the following requirements with communication：
1. photovoltaic power generation grid-connecting system should be respectively configured in Generation Side and electric energy tariff point, install special electric energy metrical dress
Put.
2. Generation Side metering device is used to measure photovoltaic power generation grid-connecting system whole institute generated energy, power network settles accounts subsidy accordingly
The electricity charge, electric energy tariff point are preferably arranged to bidirectional electric energy gauge table, and metering user is to power network power purchase and photovoltaic power generation grid-connecting system
Return net electricity.
3. electric power meter preferably uses, generated energy information is reached Surveillance center by wireless mode or the existing collection of access is copied and is
System realizes information about power teletransmission.
4. electric power meter should meet national current standard《Electrical measurement and electric power meter designing technique code》DL/
The Hes of T 5137《Electric power meter technical management code》DL/T 448 relevant regulations.
Further, when the capacity of the photovoltaic module string in photovoltaic power generation grid-connecting system is 8 kilowatts and is following, photovoltaic generation
Grid-connected system accesses 220 volts of power networks.
Further, when between the capacity of the photovoltaic module string in photovoltaic power generation grid-connecting system being 8 kilowatts to 400 kilowatts,
380 volts of power networks of photovoltaic power generation grid-connecting system access.
The utility model is applied to install low capacity family photovoltaic generation system on newly-built or existing civil construction roof
The design of system, the photovoltaic generating system method of operation are " generate power for their own use, surplus online ", including following three types：
A) each user disperses grid-connected, single grid entry point total installation of generating capacity and is no more than 8kW, with the single-phase accessing user's power supplys of 220V
In inlet wire case, the group serial type inverter that string inverter preferably selects alternating current 220V single-phase output is organized, physical circuit is as shown in Figure 2.
B) each user concentrates grid-connected, single grid entry point total installation of generating capacity to be no more than 400kW, is used with being accessed in 380V three-phase sets
Family distribution transformer low-pressure side, group string inverter preferably select to exchange the group serial type inverter of 380V three-phases output, physical circuit
As shown in Figure 3.
C) certain customers using a) and b) mode is grid-connected, concentrate grid-connected with 10kV by remaining users.
Further, maximum DC input voitage/mono- photovoltaic module of the number of photovoltaic module≤group string inverter
The open-circuit voltage of default low temperature under running conditions.
The number of photovoltaic module meets following formula：
Wherein, N is the number of photovoltaic module,
Kv is the open-circuit voltage temperature coefficient of photovoltaic module,
T is the default low temperature (DEG C) under photovoltaic module condition of work,
Voc is photovoltaic module open-circuit voltage (V),
Vdcmax is the maximum DC input voitage (V) of group string inverter.
Further, minimum value/mono- photovoltaic module of the maximal power tracing voltage of string inverter is organized in work bar
Maximum/mono- light of the maximal power tracing voltage of operating voltage≤number of default high temperature under part≤group string inverter
Lie prostrate the operating voltage of the default low temperature of component under running conditions.
The number of photovoltaic module meets following formula：
Wherein, Kv ' is the operating voltage temperature coefficient of photovoltaic module,
T ' is the default high temperature (DEG C) under photovoltaic module condition of work,
Vpm is photovoltaic module operating voltage (V),
Vmpptmax is the maximal power tracing piezoelectric voltage maximum (V) of group string inverter,
Vmpptmin is the maximal power tracing piezoelectric voltage minimum value (V) of group string inverter.
According to the rated direct voltage of group string inverter, maximal power tracing control range, photovoltaic module it is maximum defeated
Go out operating voltage and its temperature coefficient, determine the series connection number of photovoltaic module, photovoltaic module string under local extreme temperature most
Big open-circuit voltage should be less than the design voltage of group string inverter DC side, the peak power operating voltage change of photovoltaic module string
Scope should be in the maximal power tracing voltage range of group string inverter.
Further, it is provided with lightning protection device in direct current conflux case.
Further, the input circuit of direct current conflux case is provided with overcurrent protective device.
Further, the input circuit of direct current conflux case is provided with counterflow-preventing protection device.
Further, the output loop of direct current conflux case is provided with isolating and protecting device.
Further, lightning protection device is provided with A.C. distribution box, the input circuit of A.C. distribution box is protected provided with excessively stream
Protection unit, the output loop of A.C. distribution box are provided with isolating and protecting device.
A kind of above-mentioned distributed photovoltaic power generation grid-connected system is described further below in conjunction with operation principle：Photovoltaic group
DC current caused by part string enters direct current conflux case through DC line, and direct current conflux case is monitored to DC current, controlled
And protection, the DC current of direct current conflux case output are converted to alternating current through a group string inverter and are sent into A.C. distribution box, hand over
Stream distribution box is monitored to alternating current, controls and protected, and the alternating current of A.C. distribution box output is sent into through alternating current circuit
Power network.
Claims (10)
1. a kind of distributed photovoltaic power generation grid-connected system, including multiple photovoltaic power generation grid-connecting systems, the photovoltaic power generation grid-connecting system
System includes the photovoltaic module string being made up of the photovoltaic module of multiple series connection, for photovoltaic generation, it is characterised in that：The photovoltaic hair
Electric grid-connected system also includes direct current conflux case, group string inverter and A.C. distribution box, the photovoltaic module string and passes through AC line
Road connects the direct current conflux case, and described group of string inverter is connected between the direct current conflux case and the A.C. distribution box,
The A.C. distribution box accesses 220 volts or 380 volts of power networks by alternating current circuit；The direct current conflux case includes dc circuit breaker
(QF1) returned with the first Intelligent power distribution device (SPD1), the input that the dc circuit breaker (QF1) is connected on the direct current conflux case
Road, first Intelligent power distribution device (SPD1) are connected in parallel on the input circuit of the direct current conflux case, first intelligent power distribution
Device (SPD1) is used for the input circuit for monitoring the direct current conflux case；The A.C. distribution box includes metering device (FM), the
Two Intelligent power distribution devices (SPD2) and AC circuit breaker (QF2), the metering device (FM) are connected on the defeated of the A.C. distribution box
On entry loop, the AC circuit breaker (QF2) is connected on the input circuit of the A.C. distribution box, the second intelligent power distribution dress
The input circuit that (SPD2) is connected in parallel on the A.C. distribution box is put, second Intelligent power distribution device (SPD2) is described for monitoring
The input circuit of A.C. distribution box.
A kind of 2. distributed photovoltaic power generation grid-connected system according to claim 1, it is characterised in that：The photovoltaic generation is simultaneously
When the capacity of photovoltaic module string in net system is 8 kilowatts and is following, described 220 volts of power networks of photovoltaic power generation grid-connecting system access.
A kind of 3. distributed photovoltaic power generation grid-connected system according to claim 1, it is characterised in that：The photovoltaic generation is simultaneously
The capacity of photovoltaic module string in net system be 8 kilowatts to 400 kilowatts between when, the photovoltaic power generation grid-connecting system access 380
Lie prostrate power network.
A kind of 4. distributed photovoltaic power generation grid-connected system according to any one of claims 1 to 3, it is characterised in that：It is described
Maximum DC input voitage/mono- photovoltaic module of the string inverter of the number of photovoltaic module≤described group is in condition of work
Under default low temperature open-circuit voltage.
A kind of 5. distributed photovoltaic power generation grid-connected system according to claim 4, it is characterised in that：Described group of string data inversion
The operating voltage of the default high temperature of minimum value/mono- photovoltaic module of the maximal power tracing voltage of device under running conditions
Maximum/mono- photovoltaic module of the maximal power tracing voltage of the string inverter of≤number≤described group is working
Under the conditions of default low temperature operating voltage.
A kind of 6. distributed photovoltaic power generation grid-connected system according to claim 1, it is characterised in that：The direct current conflux case
It is interior to be provided with lightning protection device.
A kind of 7. distributed photovoltaic power generation grid-connected system according to claim 1, it is characterised in that：The direct current conflux case
Input circuit be provided with overcurrent protective device.
A kind of 8. distributed photovoltaic power generation grid-connected system according to claim 1, it is characterised in that：The direct current conflux case
Input circuit be provided with counterflow-preventing protection device.
A kind of 9. distributed photovoltaic power generation grid-connected system according to claim 1, it is characterised in that：The direct current conflux case
Output loop be provided with isolating and protecting device.
A kind of 10. distributed photovoltaic power generation grid-connected system according to claim 1, it is characterised in that：The AC distribution
Lightning protection device is provided with case, the input circuit of the A.C. distribution box is provided with overcurrent protective device, the A.C. distribution box
Output loop be provided with isolating and protecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720271834.5U CN206712478U (en) | 2017-03-20 | 2017-03-20 | A kind of distributed photovoltaic power generation grid-connected system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720271834.5U CN206712478U (en) | 2017-03-20 | 2017-03-20 | A kind of distributed photovoltaic power generation grid-connected system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206712478U true CN206712478U (en) | 2017-12-05 |
Family
ID=60469907
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|---|---|---|---|
| CN201720271834.5U Expired - Fee Related CN206712478U (en) | 2017-03-20 | 2017-03-20 | A kind of distributed photovoltaic power generation grid-connected system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111555338A (en) * | 2019-12-31 | 2020-08-18 | 远景智能国际私人投资有限公司 | Configuration method, device and equipment of electrical equipment and storage medium |
| CN118040778A (en) * | 2024-04-15 | 2024-05-14 | 国网甘肃省电力公司定西供电公司 | Distributed photovoltaic multiport energy coordination control system |
-
2017
- 2017-03-20 CN CN201720271834.5U patent/CN206712478U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111555338A (en) * | 2019-12-31 | 2020-08-18 | 远景智能国际私人投资有限公司 | Configuration method, device and equipment of electrical equipment and storage medium |
| CN111555338B (en) * | 2019-12-31 | 2023-05-12 | 远景智能国际私人投资有限公司 | Electrical equipment configuration method, device, equipment and storage medium |
| CN118040778A (en) * | 2024-04-15 | 2024-05-14 | 国网甘肃省电力公司定西供电公司 | Distributed photovoltaic multiport energy coordination control system |
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Granted publication date: 20171205 |