CN208078664U - A kind of geomantic omen storage complementary power generation system control device - Google Patents

A kind of geomantic omen storage complementary power generation system control device Download PDF

Info

Publication number
CN208078664U
CN208078664U CN201820581252.1U CN201820581252U CN208078664U CN 208078664 U CN208078664 U CN 208078664U CN 201820581252 U CN201820581252 U CN 201820581252U CN 208078664 U CN208078664 U CN 208078664U
Authority
CN
China
Prior art keywords
transformer
power
generation system
power generation
control device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201820581252.1U
Other languages
Chinese (zh)
Inventor
刘君
张军智
邓志勇
南海鹏
门闯社
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PowerChina Northwest Engineering Corp Ltd
Original Assignee
PowerChina Northwest Engineering Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PowerChina Northwest Engineering Corp Ltd filed Critical PowerChina Northwest Engineering Corp Ltd
Priority to CN201820581252.1U priority Critical patent/CN208078664U/en
Application granted granted Critical
Publication of CN208078664U publication Critical patent/CN208078664U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/76Power conversion electric or electronic aspects
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

Landscapes

  • Control Of Eletrric Generators (AREA)

Abstract

The utility model is related to technical field of new energy power generation control control, complementary power generation system control device is stored up more particularly to a kind of geomantic omen, including power network dispatching system, control section, power storage system, governor, hydro-electric power generating equipment, wind generator system, load, power distribution network, first transformer, second transformer, third transformer, 4th transformer, ac bus, first switch, second switch, the control section includes power transducer, voltage transformer, shaping circuit, analog input, programmable computer controller PCC, expand interface, communication module, the utility model has favorable expandability, strong antijamming capability, reliability is high, it is simple in structure, development cycle is short, these low advantages of maintenance cost.

Description

A kind of geomantic omen storage complementary power generation system control device
Technical field
The utility model is related to technical field of new energy power generation control control, and in particular to a kind of geomantic omen storage complementary power generation system control Device processed.
Background technology
Wind-powered electricity generation has the characteristics that randomness, fluctuation, and voltage, the frequency fluctuation of power grid are easily caused after generating electricity by way of merging two or more grid systems, Deteriorate power quality, seriously affects stability of power system.
The reasonable control that Hydropower Unit and power storage system are realized using complementary power generation system control device, can be to wind-powered electricity generation The fluctuation of power is effectively stabilized, and then improves the digestion capability of wind-powered electricity generation.
At present in the control device of complementary power generation system, generally microcontroller, Industrial Control Computer etc. is used to be used as core processing Unit, microcontroller expansibility is poor, and debugging is cumbersome, and poor anti jamming capability, reliability is low, and it is dead that microcontroller is likely to occur in operation Machine, to make the reliability of complementary power generation system control device substantially reduce;The Industrial Control Computer development cycle is long, and field wiring is not Enough flexible, installation volume is big, complicated, and maintenance cost is higher.
In addition, the frequency sensers such as microcontroller and Industrial Control Computer are still realized using digital circuit, precision and real-time Poor, reliability is relatively low, often becomes the weak link of such device.Programmable computer controller PCC favorable expandabilities resist dry It is strong to disturb ability, reliability is high, and simple in structure, the development cycle is short, and maintenance cost is low, and internal time processing unit TPU has Function is measured when door, it can be achieved that frequency measurement, and precision is high, fast response time.PCC controllers support that CAN bus etc. is a variety of logical News mode is suitable for distributed complementary power generation system.Therefore complementary power generation system control device is badly in need of using programmable calculator Controller PCC so that complementary power generation system control device has favorable expandability, and strong antijamming capability, reliability is high, structure letter Single, the development cycle is short, these low advantages of maintenance cost.
Invention content
The utility model aim is poor in order to solve microcontroller expansibility, debugs cumbersome, poor anti jamming capability, reliability Low problem and Industrial Control Computer development cycle is long, and field wiring underaction, installation volume is big, complicated, maintenance cost Higher problem.
For this purpose, the utility model provides a kind of geomantic omen storage complementary power generation system control device, including power network dispatching system, Control section, power storage system, governor, hydro-electric power generating equipment, wind generator system, load, power distribution network, the first transformer, Two transformers, third transformer, the 4th transformer, ac bus, first switch, second switch, the control section include work( Rate transmitter, shaping circuit, analog input, programmable computer controller PCC, expands interface, communication mould at voltage transformer Block, the power network dispatching system are sequentially connected in series with communication module, expansion interface, programmable computer controller PCC;It is described Programmable computer controller PCC includes CPU element, storage unit, time-triggered protocol TPU units, CAN interface unit, number Word amount input unit, the CAN interface unit are believed with power storage system, governor, wind generator system by double-direction control Number parallel connection, the other end of the governor are connect with hydro-electric power generating equipment.
The power storage system other end is connect with the first transformer, the hydro-electric power generating equipment other end and the second transformer Connection, the wind generator system other end are connect with third transformer, the first transformer and the second transformer, third transformer Incoming transport busbar in parallel;The load is incorporated to ac bus by first switch, and the power distribution network is incorporated to by second switch Ac bus.
The power transducer input terminal is connected between third transformer and ac bus, the output end of power transducer It is connect with the input terminal of analog input, the analog input and output end is connected to the defeated of programmable computer controller PCC Entrance.
The input terminal of the voltage transformer is connected between ac bus and second switch, the output end of voltage transformer It is connected with the input terminal of shaping circuit, the output end of shaping circuit and the digital quantity input of programmable computer controller PCC are single Member is connected.
The model PP41 of the programmable computer controller PCC, the communication module are IF681, and the expansion connects Mouth is EX101.
The power transducer is BD-3P, analog input AI774.
The voltage transformer is a transformer T1, and the shaping circuit is by resistance R1, capacitance C1, integrated transporting discharging U1 groups At the armature winding of the transformer T1 of the voltage transformer is input terminal, and one end of secondary windings connects resistance R1, resistance R1 The other end and capacitance C1 all access the in-phase end of integrated transporting discharging U1, the other end of capacitance C1 and the out-phase end of integrated transporting discharging U1, The other end of transformer T1 secondary windings all accesses the ground wire of control section, and the output end access of integrated transporting discharging U1 is programmable to be calculated The digital quantity input unit of machine controller PCC.
The utility model has the beneficial effects that:
1, due to the use of programmable computer controller PCC, have favorable expandability, strong antijamming capability, reliability Height, simple in structure, the development cycle is short, these low advantages of maintenance cost.
2, since the time-triggered protocol TPU units of programmable computer controller PCC have the function of to measure, it can be achieved that frequency when door Rate measures, and precision is high, fast response time.
3, due to supporting the multiple communication modes such as CAN bus due to programmable computer controller PCC, it is suitable for distribution Complementary power generation system.
4, due to the model PP41 of programmable computer controller PCC, PP41 is controlled as complementary power generation system and is filled It sets core element and realizes control, integrate display, keyboard, communication interface, simple in structure, the mean free error time is up to 500,000 Hour, reliability is high.PP41 while with good expansion, and with programming be easy, the development cycle is short, debugging is convenient, It is fast, at low cost and the advantages that be more conducive to describe complicated control thought to execute speed.
Description of the drawings
Fig. 1 is the signal connection diagram of the utility model;
Fig. 2 is the signal connection diagram of another example of the utility model;
In figure:A, control section;1, power transducer;2, voltage transformer;3, shaping circuit;4, analog input;5, Programmable computer controller PCC;6, interface is expanded;7, communication module;8, power network dispatching system;9, power storage system;10, speed governing Device;11, hydro-electric power generating equipment;12, wind generator system;13, it loads;14, power distribution network;15, the first transformer;16, second becomes Depressor;17, third transformer;18, the 4th transformer;19, ac bus;20, first switch;21, second switch.
Specific implementation mode
Reach the technological means and effect that predetermined purpose is taken for the utility model is expanded on further, below in conjunction with attached drawing And embodiment, to specific embodiment of the present utility model, structure feature and its effect, detailed description are as follows.
Embodiment 1:
It is poor in order to solve microcontroller expansibility, cumbersome, poor anti jamming capability is debugged, the low problem of reliability and industry are controlled The machine development cycle processed is long, and field wiring underaction, installation volume is big, complicated, the higher problem of maintenance cost, this implementation Such as Fig. 1 provides a kind of geomantic omen storage complementary power generation system control device, including power network dispatching system 8, control section A, storing up electricity System 9, governor 10, hydro-electric power generating equipment 11, wind generator system 12, load 13, power distribution network 14, the first transformer 15, the Two transformers 16, third transformer 17, the 4th transformer 18, ac bus 19, first switch 20, second switch 21, the control Part A processed includes power transducer 1, voltage transformer 2, shaping circuit 3, analog input 4, programmable computer controller PCC5, interface 6, communication module 7, the power network dispatching system 8 and communication module 7, expansion interface 6, programmable calculator are expanded Controller PCC5 is sequentially connected in series;The programmable computer controller PCC5 includes CPU element, storage unit, at the time Manage TPU units, CAN interface unit, digital quantity input unit, the CAN interface unit and power storage system 9, speed governing Device 10, wind generator system 12 pass through bi-directional control signal parallel connection, the other end and the hydro-electric power generating equipment 11 of the governor 10 Connection.
The utility model has used programmable computer controller PCC5 as the core devices of control device, dispatching of power netwoks The dispatching of power netwoks command signal of system 8 is sent through communication module 7 and expansion interface module 6 to programmable calculator control by Ethernet Device PCC 5 processed.It is previously charged into the dedicated program of programmable computer controller PCC 5, instructs and is acquired according to dispatching of power netwoks All kinds of control signals are calculated in information, these control signals are exported via CAN interface to power storage system 9, wind-power electricity generation System 12, governor 10 control hydroelectric power system 11 again by governor 10, and each system local control may be implemented.It is programmable The display unit and keyboard of computer control PCC 5 can show real time data and correlation curve and setting relevant parameter and fortune Line mode.
The utility model has favorable expandability, anti-interference ability due to the use of programmable computer controller PCC5 By force, reliability is high, and simple in structure, the development cycle is short, these low advantages of maintenance cost.Programmable computer controller PCC5 is supported The multiple communication modes such as CAN bus are suitable for distributed complementary power generation system.
Embodiment 2:
On the basis of embodiment 1,9 other end of the power storage system is connect with the first transformer 15, the hydroelectric generation 11 other end of equipment is connect with the second transformer 16, and 12 other end of the wind generator system is connect with third transformer 17, the One transformer 15 and the second transformer 16, third transformer 17 incoming transport busbar 19 in parallel;The load 13 is opened by first It closes 20 and is incorporated to ac bus 19, the power distribution network 14 is incorporated to ac bus 19 by second switch 21.
1 input terminal of the power transducer is connected between third transformer 17 and ac bus 19, power transducer 1 Output end is connect with the input terminal of analog input 4, and 4 output end of the analog input is connected to programmable computer controller The input port of PCC5.
The input terminal of the voltage transformer 2 is connected between ac bus 19 and second switch 21, voltage transformer 2 Output end is connected with the input terminal of shaping circuit 3, the number of the output end and programmable computer controller PCC5 of shaping circuit 3 Input unit is measured to be connected.
Power transducer 1 acquires the power parameter of 12 outlet end of wind generator system, exports through Analog input mModule 4 It send to programmable computer controller PCC 5, realizes power signal acquisition;Power grid terminal voltage signal through voltage transformer 2 send to Voltage signal is shaped to the square-wave signal of same frequency by shaping circuit 3, shaping circuit 3, through programmable computer controller PCC 5 Digital-quantity input interface send to the channels time-triggered protocol TPU, for measuring mains frequency.
Since the time-triggered protocol TPU units of programmable computer controller PCC have the function of to measure, it can be achieved that frequency when door It measures, and precision is high, fast response time.
Embodiment 3:
On the basis of embodiment 1 and embodiment 2, as shown in Fig. 2, the model of the programmable computer controller PCC5 For PP41, the communication module 7 is IF681, and the expansion interface 6 is EX101.
The power transducer 1 is BD-3P, and analog input 4 is AI774.
The voltage transformer 2 is a transformer T1, and the shaping circuit 3 is by resistance R1, capacitance C1, integrated transporting discharging U1 The armature winding of composition, the transformer T1 of the voltage transformer 2 is input terminal, and one end of secondary windings connects resistance R1, electricity The other end and capacitance C1 of resistance R1 all access the in-phase end of integrated transporting discharging U1, the out-phase of the other end and integrated transporting discharging U1 of capacitance C1 End, transformer T1 secondary windings the other end all access the ground wire of control section A, the output end access of integrated transporting discharging U1 may be programmed The digital quantity input unit of computer control PCC5.
Programmable computer controller PCC5 has used PP41, collection display, keyboard, communication interface, time-triggered protocol TPU units Deng in one, 6 expansion slot of another band, be allowed at most can 60 railway digital amount of band, 24 road analog input and outputs.Mean Time up to 500,000 h, has good reliability.Development tool is convenient and complete with good Electromagnetic Compatibility and fieldbus Support technology in face.
Power transducer uses BD-3P, power pick-up to use Analog input mModule AI774, the module that can measure 4 tunnels Input analog quantity;Frequency measurement uses the digital-quantity input interface X2 of PCC controllers, the interface that can input 10 railway digital amounts, In preceding 4 channels have the function of TPU, for realizing frequency measurement;It expands interface module and uses EX101;Communication module uses IF681, The module can realize the ethernet communication between power network dispatching system.
Net terminal voltage signal is sent into shaping circuit 3 through voltage transformer 2, and shaping circuit 3 is by resistance R1, capacitance C1 and compares Device U1 compositions, net terminal voltage signal is shaped to the square-wave signal of same frequency by shaping circuit 3, through programmable computer controller The digital-quantity input interface of PCC 5 is sent to the channels TPU, for measuring mains frequency;Power transducer 1 acquires wind generator system 12 outlet end power parameters, output are sent to programmable computer controller PCC 5 through Analog input mModule AI774, are realized Power signal acquires.Programmable computer controller PCC 5 is made of time processing unit TPU, processor CPU, storage unit, It is connected via interface module EX101 is expanded with communication module IF681, realizes the ethernet communication between power network dispatching system. All kinds of control signals of programmable computer controller PCC 5 are sent through CAN interface respectively to energy-storage system, wind-power electricity generation system System, hydro-electric power generating equipment(Governor), realize each system local control.
Due to the model PP41 of programmable computer controller PCC, using PP41 as complementary power generation system control device Core element realizes control, integrates display, keyboard, communication interface, simple in structure, the mean free error time is small up to 500,000 When, reliability is high.Easy, the development cycle is short, debugging is convenient, holds while with good expansion, and with programming by PP41 Scanning frequency degree is fast, at low cost and the advantages that be more conducive to describe complicated control thought.
The utility model is using steps are as follows:
Use step:
1, signal acquisition
Power network dispatching system instruction is sent via communication module and expansion interface module to programmable computer controller PCC, Power transducer send the power signal of wind generator system to programmable computer controller via Analog input mModule PCC, digital-quantity input interface of the net frequency signal through programmable computer controller PCC are sent to the channels TPU, power storage system, waterpower The current state information of generating equipment and wind generator system is sent via CAN interface to PCC controllers.
2, it calculates
It is previously charged into the dedicated program of programmable computer controller PCC, according to the instruction of power network dispatching system and is adopted The control instruction of hydro-electric power generating equipment and energy-storage system is calculated in collection information.
3, it exports
The control instruction of hydro-electric power generating equipment is sent via CAN interface to governor, then by governor control waterpower hair Electric system;The control instruction of power storage system is sent via CAN interface to power storage system, and the control instruction of wind generator system passes through It is sent to wind generator system by CAN interface.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard To belong to the scope of protection of the utility model.The well-known components of component and the structure category industry that the present embodiment does not describe in detail With common structure or conventional means, do not describe one by one here.

Claims (7)

1. complementary power generation system control device, including power network dispatching system are stored up in a kind of geomantic omen(8), control section(A), power storage system (9), governor(10), hydro-electric power generating equipment(11), wind generator system(12), load(13), power distribution network(14), the first transformation Device(15), the second transformer(16), third transformer(17), the 4th transformer(18), ac bus(19), first switch (20), second switch(21), it is characterised in that:The control section(A)Including power transducer(1), voltage transformer(2), Shaping circuit(3), analog input(4), programmable computer controller PCC(5), expand interface(6), communication module(7), institute State power network dispatching system(8)With communication module(7), expand interface(6), programmable computer controller PCC(5)The company of being sequentially connected in series It connects;The programmable computer controller PCC(5)It is connect including CPU element, storage unit, time-triggered protocol TPU units, CAN bus Mouth unit, digital quantity input unit, the CAN interface unit and power storage system(9), governor(10), wind-power electricity generation system System(12)Pass through bi-directional control signal parallel connection, the governor(10)The other end and hydro-electric power generating equipment(11)Connection.
2. complementary power generation system control device is stored up in geomantic omen according to claim 1, it is characterised in that:The power storage system (9)The other end and the first transformer(15)Connection, the hydro-electric power generating equipment(11)The other end and the second transformer(16)Connection, The wind generator system(12)The other end and third transformer(17)Connection, the first transformer(15)With the second transformer (16), third transformer(17)Incoming transport busbar in parallel(19);The load(13)Pass through first switch(20)It is incorporated to exchange Busbar(19), the power distribution network(14)Pass through second switch(21)It is incorporated to ac bus(19).
3. complementary power generation system control device is stored up in geomantic omen according to claim 1 or 2, it is characterised in that:The power becomes Send device(1)Input terminal is connected to third transformer(17)With ac bus(19)Between, power transducer(1)Output end and mould Analog quantity inputs(4)Input terminal connection, the analog input(4)Output end is connected to programmable computer controller PCC(5) Input port.
4. complementary power generation system control device is stored up in geomantic omen according to claim 1 or 2, it is characterised in that:The voltage is mutual Sensor(2)Input terminal be connected to ac bus(19)With second switch(21)Between, voltage transformer(2)Output end with it is whole Shape circuit(3)Input terminal be connected, shaping circuit(3)Output end and programmable computer controller PCC(5)Digital quantity it is defeated Enter unit to be connected.
5. complementary power generation system control device is stored up in geomantic omen according to claim 1, it is characterised in that:The programmable calculating Machine controller PCC(5)Model PP41, the communication module(7)For IF681, the expansion interface(6)For EX101.
6. complementary power generation system control device is stored up in geomantic omen according to claim 3, it is characterised in that:The power transducer (1)For BD-3P, analog input(4)For AI774.
7. complementary power generation system control device is stored up in geomantic omen according to claim 4, it is characterised in that:The voltage transformer (2)For a transformer T1, the shaping circuit(3)It is made of resistance R1, capacitance C1, integrated transporting discharging U1, the mutual induction of voltage Device(2)The armature winding of transformer T1 be input terminal, one end of secondary windings connects resistance R1, the other end and the electricity of resistance R1 Hold the in-phase end that C1 accesses integrated transporting discharging U1, the other end of capacitance C1 and T1 the out-phase end of integrated transporting discharging U1, transformer grade The other end of winding all accesses control section(A)Ground wire, the output end of integrated transporting discharging U1 accesses programmable computer controller PCC(5)Digital quantity input unit.
CN201820581252.1U 2018-04-23 2018-04-23 A kind of geomantic omen storage complementary power generation system control device Active CN208078664U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820581252.1U CN208078664U (en) 2018-04-23 2018-04-23 A kind of geomantic omen storage complementary power generation system control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820581252.1U CN208078664U (en) 2018-04-23 2018-04-23 A kind of geomantic omen storage complementary power generation system control device

Publications (1)

Publication Number Publication Date
CN208078664U true CN208078664U (en) 2018-11-09

Family

ID=64044771

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820581252.1U Active CN208078664U (en) 2018-04-23 2018-04-23 A kind of geomantic omen storage complementary power generation system control device

Country Status (1)

Country Link
CN (1) CN208078664U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114123319A (en) * 2021-11-18 2022-03-01 武汉奥锐通信技术有限公司 OPLC-based grid-connected power generation system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114123319A (en) * 2021-11-18 2022-03-01 武汉奥锐通信技术有限公司 OPLC-based grid-connected power generation system

Similar Documents

Publication Publication Date Title
CN201515183U (en) Intelligent integrated distribution box with leakage protection remote monitoring function
CN102508055B (en) Device and method for detecting wind power generation grid-connected system
CN106814263A (en) A kind of grid-connected detecting system of HWIL simulation and method
CN106655513A (en) In-situ feeder automation test system
Yang et al. WAMS implementation in China and the challenges for bulk power system protection
CN103366064A (en) Test method for parameters of wind farm dynamic model
CN208432876U (en) DC distribution net real-time emulation system
CN108051664A (en) A kind of equipment for monitoring power quality
CN105134506B (en) A kind of performance test emulation platform of double-feedback aerogenerator group frequency-variable controller
CN109470914A (en) A kind of VFTO signal measurement apparatus
CN103454552A (en) Transformer winding deformation on-line monitoring chip
CN103592531A (en) Method and system for detecting parameters of wind power plant static var generator
CN208078664U (en) A kind of geomantic omen storage complementary power generation system control device
CN108923444B (en) Hybrid control method for adjusting three-phase unbalance degree of power distribution area and application
CN109103906A (en) A kind of three-phase power distribution system and three-phase imbalance compensation device
CN106340967B (en) Power station low voltage generator intelligent operation device and intelligent operation method
CN204761157U (en) A synthesize measurement and control device for distributed generator
CN203536975U (en) Distributed power generating grid-connected control circuit
CN206931999U (en) A kind of analogue system of DC distribution net
CN105720563A (en) Multi-principle relay protection chip based on FPGA and method
CN202872459U (en) Intelligent distribution terminal telemetry board
CN205070606U (en) Novel DTU and distribution network automation system for distribution network automation
CN207199074U (en) For debugging the portable terminal device and electric-power metering terminal system of electric-power metering terminal
CN203551692U (en) General hardware platform for intelligent substation digital physical hybrid simulation
CN208479672U (en) A kind of new energy energy storage inverter protocol conversion device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant