DYXNY-04 Smart Microgrid Training System Training Platform
Release time：2024-07-05 10:00viewed：times
The intelligent microgrid tr*ning experimental system consists of simulated wind power generation unit, solar photovolt*c power generation unit, microgrid access and energy management panel cabinet, microgrid energy storage and stability control panel cabinet, microgrid distributed energy access panel cabinet, microgrid AC and DC load management panel cabinet, microgrid monitoring platform, etc.
1. Simulated wind power generation unit The
simulated wind power generation unit consists of a permanent magnet wind turbine generator set, a drag asynchronous motor, a generator bracket, a motor cable, a wind speed simulation unit, etc. The wind turbine uses a permanent magnet horizontal axis wind turbine, which is dragged by an asynchronous variable frequency motor to simulate the power generation of the generator under different wind speed conditions.
2. Solar photovolt*c power generation unit
It consists of a photovolt*c simulator to simulate the various characteristics of photovolt*c panels.
3. Microgrid access and energy management cabinet The microgrid
access and energy management cabinet consists of Siemens PLC , microgrid energy management system (EMS), industrial Ethernet switch, AC surge protector, AC contactor, molded case circuit breaker, single-phase bidirectional metering instrument, low-voltage line protector, current transformer, configuration touch screen, emergency stop button, indicator light, relay, switching power supply, reset switch, transfer switch, micro-breaker, test terminal, power cable, communication cable, terminal block, test terminal, etc. It m*nly completes the control, metering and protection of energy interaction between microgrid and large power grid, and at the same time, through the energy management system, it manages and dispatches the energy storage, distributed generation, AC and DC loads of microgrid, so as to realize smooth, stable, economical and efficient operation of microgrid.
4. Microgrid energy storage and stability control cabinet The
microgrid energy storage and stability control cabinet consists of a bidirectional energy storage converter, a switching switch, an energy storage battery pack, a battery monitoring system, a DC power meter, a low-voltage line protector, a current transformer, a shunt, an AC contactor, an indicator light, a relay, a reset switch, a transfer switch, a power cable, a communication cable, a terminal block, a test terminal, etc. It m*nly completes the charge and discharge management of the microgrid energy storage, realizes the bidirectional conversion of the DC bus and the AC bus of the microgrid, and provides a PCC node that isolates the microgrid from the m*ns grid.
5. Microgrid distributed energy access cabinet
The microgrid distributed energy access cabinet consists of a photovolt*c controller, a fan controller, a DC power meter, an AC power meter, a current transformer, a shunt, a variable frequency speed regulator, an indicator light, a relay, a transfer switch, a power cable, a communication cable, a terminal block, a test terminal, etc. It m*nly completes the access to distributed energy and the metering and protection of distributed power generation.
6. Microgrid AC/DC load management panel cabinet The
microgrid AC/DC load management panel cabinet consists of AC/DC simulated loads, DC power meters, AC power meters, current transformers, shunts, AC contactors, test terminals, etc. The software can be used to simulate the automatic dispatching and control of different levels of loads, simulate the microgrid load switching control and load operation parameter analysis.
7. Microgrid monitoring platform
The microgrid monitoring platform consists of industrial control computers, displays, operating consoles, communication cables, SCADA power monitoring software, etc. Complete the monitoring and control of the microgrid system operation.
8. Virtual simulation software for electrical installation of buildings and intelligent buildings Based on unity3d design, users can choose different sizes of interactive interfaces according to computer configurations, and can choose six levels of image quality. The model in the software can be rotated 360°, enlarged, reduced, and translated. There are assistant prompts during the use of the software, the contents are as follows: A. Wet alarm system 1. System overview: Overview of wet alarm system 2. Equipment recognition: It is equipped with the best viewing angle, equipment det*ls (displaying the introduction or parameters of the equipment), exercises (built-in 6 multiple-choice questions, with prompts for correct and wrong choices), and schematic diagrams (you can enter the equipment from the schematic diagram). The equipment includes: sprinklers, water flow indicators, signal butterfly valves, exhaust valves, fire alarm controls, high-pressure gauges, high-level water tanks, Wia control cabinets, pressure-stabilizing tanks, flow switches, terminal water testing devices, dr*nage facilities, water pump connectors, hydraulic alarms, time delays, wet alarms, butterfly valves, check valves, fire pumps, safety pressure-stabilizing valves, and fire water tanks. 3. Principle display: Display the working principle of the wet alarm system, 3D animation demonstration, and semi-transparent 3D models , so that the internal water flow can be seen. Equipped with practice module (built-in 4 multiple-choice questions, with prompts for correct and wrong choices) 4. Design layout: There are multiple-choice questions and calculation questions, each of which is scored, and the correct answer and score will be displayed after submission B. Gas fire extinguishing system 1. System overview: Overview of gas fire extinguishing system 2. Equipment cognition: It is equipped with the best viewing angle, equipment det*ls (displaying the introduction or parameters of the equipment), practice (built-in 8 multiple-choice questions, with prompts for correct and wrong choices), schematic diagram (you can enter the equipment from the schematic diagram). The equipment includes: nozzle, HFC-227 storage bottle, bottle head valve, heptafluoropropane check valve, high-pressure hose, gas check valve, safety valve, weighing alarm, electromagnetic starter, selection valve, smoke alarm, fire alarm controller. 3. Principle display: Display the working principle of the gas fire extinguishing system, 3D animation demonstration, 3D model is semi-transparent, and the internal gas can be seen. Equipped with practice module (built-in 3 multiple-choice questions, with prompts for correct and wrong choices) 4. Design layout: There are 6 multiple-choice questions, each with a score, and the correct answer and score will be displayed after submission C. Escape drill: Teaching in the form of fun games, escaping from the burning room within a limited time, and wrong choices will directly enter the score interface. M*n equipment technical parameters
The microgrid access and energy management panel cabinet consists of Siemens PLC, microgrid energy management system (EMS), industrial Ethernet switch, AC surge protector, AC contactor, molded case circuit breaker, single-phase bidirectional metering instrument, low-voltage line protector, current transformer, configuration touch screen, emergency stop button, indicator light, relay, switching power supply, reset switch, transfer switch, micro-breaker, test terminal, power cable, communication cable, terminal block, test terminal, etc. It m*nly completes the control, metering and protection of energy interaction between microgrid and large power grid, and at the same time, the energy management system manages and dispatches microgrid energy storage, distributed generation, AC and DC loads, etc., to achieve smooth, stable, economical and efficient operation of microgrid.
M*n technical parameters of microgrid access and energy management unit:
1) PLC: Siemens S7-1200PLC and expansion modules; 14-point digital input; 10-point digital output; 2 analog output; support Profinet, I/O communication;
2) Microgrid energy management system: CPU: ARM9 400MHz; operating system: embedded Linux2.6.30; SDRAM: 128M; FLASH: 128M; SD card: support maximum 8G; RS485 interface: 8, communication with isolation; network port: 10/100M adaptive; software: built-in microgrid energy management software; database: built-in SQLite relational database; rated power supply: DC24V, 5.4W; overall dimensions (L×W×H, mm): 241×130×38
3) Ethernet switch: network standard: IEEE 802.3, IEEE 802.3u, IEEE 802.3x; port: 8 10/100Mbps RJ45 Port; indicator light: each port has 1 Link/Ack, Speed indicator light/each device has 1 Power indicator light; performance: store and forward/support 3.2Gbps backplane bandwidth/support 8K MAC address table depth; use environment: working temperature (0℃～40℃)/storage temperature (-40℃～70℃)/working humidity (10%～90%RH, non-condensing)/storage humidity (5%～90%RH, non-condensing); input power: 100-240V～50/60Hz; overall dimensions (L×W×H, mm): 143×104×48
4) Serial port server: 32-bit ARM embedded processor; 1 isolated 10M/100M adaptive network port, embedded 1.5KV electromagnetic isolation; 8 isolated RS422/485 serial ports, terminal block interface, each serial port with 15KV ESD protection; support automatic recovery after power f*lure or network disconnection; support 9-24VDC wide voltage input; support Web/Telnet/Console console for management and configuration in multiple ways; support TCP, UDP, ICMP, HTTP, DNS, DHCP, Telnet protocol; working mode: TCP Server, TCP Client, UDP, virtual serial port driver access mode; support gateway and cross-router communication; support standard TCP/IP SOCKET, Telnet program access;
5) Configuration touch screen: touch screen size: 7″; screen type: TFT LCD display; resolution: 800×480; core: Cortex-A8 CPU (m*n frequency 600MHz); memory: 128M; touch type: four-wire resistive touch screen (resolution 4096×4096); serial interface: RS232/RS485; Ethernet port: 10/100M adaptive; electromagnetic compatibility: three industries and three poles;
6) AC surge protector: power supply system: TT-TN-IT; rated voltage Un: 220V; maximum continuous operating voltage Uc: 385V; nominal discharge current In (8/20us): 20KA; maximum discharge current Imax (8/20us): 40KA; protection level Up (8/20us): <1.8KV; response time: ≤25ns; f*lure indication: green/normal, red/f*lure;
7) AC contactor: number of m*n contacts: 3 p*rs; rated current: 25A; rated voltage: AC220V; coil voltage: AC220V; auxiliary contacts: 2 normally closed and 2 normally open;
8) Single-phase bidirectional metering instrument: current and voltage measurement accuracy: 0.2 level; power and active energy measurement accuracy: 0.5 level; frequency: 0.05HZ; reactive energy: 1 level; power supply voltage: AC80-270V, DC90-350V; power consumption: ≤10VA;
9) Low-voltage line protector: measurement parameters: current, voltage, power, power factor, frequency, power monitoring; overcurrent protection; undervoltage protection; overvoltage protection; zero-sequence protection, phase f*lure protection, linkage protection, unbalance protection; communication interface: RS485/Modbus-RTU communication; switch input: 5 channels; relay output: 4 channels; with SOE event recording function;
10) Switching power supply: input voltage: AC220V; output voltage: DC24V; output current: 5A;
11) Cabinet material and size: Plate: hot-dip galvanizing; Plate surface p*nt process; Steel plate thickness: 2mm; Front door is push-pull type, with transparent tempered glass design and pneumatic buffer; The rear door is double-door design, with filter installed at the bottom; Both side doors are detachable; The base is movable front and back, which is convenient for inlet and outlet lines and cabinet handling; Cabinet size: 800×800×2000 (mm);
Microgrid energy storage and stability control cabinet consists of bidirectional energy storage inverter, switching switch, energy storage battery pack, battery monitoring system, DC power meter, low-voltage line protector, current transformer, shunt, AC contactor, indicator light, relay, reset switch, transfer switch, power cable, communication cable, terminal block, test terminal, etc. It m*nly completes the charge and discharge management of microgrid energy storage, realizes the bidirectional conversion of microgrid DC bus and AC bus, and provides PCC node to isolate microgrid from m*ns power grid.
M*n technical parameters of microgrid energy storage and stability control unit:
1) Bidirectional energy storage converter: maximum grid-connected power: 3600W; input DC voltage: DC48V; input battery type: lead-acid battery or lithium battery; maximum charging power: 3600W (settable); charging voltage: 57V (settable); integrated temperature compensation function; protection functions: reverse connection protection, undervoltage protection, overvoltage protection, overcharge protection, overload protection, short circuit protection, etc.; rated output voltage: 220V (180Vac-280Vac); rated grid frequency: 50/60HZ, ±5HZ; maximum AC current: 16A; power factor: 0.8 leading ~ 0.8 lagging; THDI: <1.5%; AC connection type: single phase; maximum conversion efficiency: 97.6%; MPPT efficiency: 99.9%; equipment protection: DC reverse polarity protection, DC input switch protection, AC output overcurrent protection, AC output overvoltage protection, ground fault monitoring, grid island monitoring, residual current detection; communication interface: isolated RS485;
2) Energy storage battery: Battery type: lead-acid m*ntenance-free; Battery capacity: 12V85AH; Battery connection method: series connection; Battery protection: fuse at the end;
3) Battery monitoring system: power supply voltage: DC80～320V/AC220V; driving power: ≤10W; battery cell voltage detection: 32 cells; battery current collection: 1 channel; battery temperature collection: 1 channel; cell voltage measurement range: 0.5V～16V; cell voltage measurement accuracy: ≤±0.3%; communication port: RS485; overall dimensions: 230×95×35 (mm); working environment temperature: -15～+55℃;
4) DC power meter: voltage measurement range: DC0-100V; voltage measurement accuracy: 0.2 level; current measurement range: 0-20A; current measurement accuracy: 0.2 level; power supply voltage: AC80-270V, DC90-350V; power consumption: ≤10VA;
5) Low-voltage line protector: measurement parameters: current, voltage, power, power factor, frequency, power monitoring; overcurrent protection; undervoltage protection; overvoltage protection; zero-sequence protection, phase f*lure protection, linkage protection, unbalance protection; communication interface: RS485/Modbus-RTU communication; switch input: 5 channels; relay output: 4 channels; with SOE event recording function;
6) AC contactor: number of m*n contacts: 3 p*rs; rated current: 25A; rated voltage: AC220V; coil voltage: AC220V; auxiliary contacts: 2 normally closed and 2 normally open;
7) Cabinet material and size: Plate: hot-dip galvanizing; Plate surface baking varnish process; Steel plate thickness: 2mm; Front door adopts push-pull type, adopts time-transmitting tempered glass design, with pneumatic buffer; Back door adopts double-door design, with filter screen installed at the bottom; Both side doors are detachable; The base is designed to be movable front and back, which is convenient for in-and-out wiring and cabinet handling; Cabinet size: 800×800×2000 (mm);
Microgrid distributed energy access cabinet consists of photovolt*c controller, fan controller, DC power meter, AC power meter, current transformer, shunt, frequency converter, indicator light, relay, transfer switch, power cable, communication cable, terminal block, test terminal, etc. It m*nly completes the access of distributed energy, metering and protection of distributed power generation.
M*n technical parameters of microgrid distributed energy access unit:
1) Photovolt*c controller: rated system voltage: 48V; no-load loss: ≤1.2W; maximum photovolt*c input voltage: 150V; maximum charging current: 30A; conversion efficiency: ≤98%; MPPT tracking efficiency: >99%; temperature compensation coefficient: -3mv/℃/2V (default value); operating temperature: -35℃～+45℃; protection functions: reverse connection protection, undervoltage protection, overvoltage protection, overcharge protection, overload protection, short circuit protection, reverse charge protection, etc.; communication method: RS485; dimensions: 266×182×81(mm);
2) Fan controller: Rated fan input power: 300W; Maximum fan input power: 450W; Battery rated voltage: 48V; Fan brake current: 7.5A; Unloading start voltage: 54V; Complete unloading voltage: 58V; Battery over-discharge protection voltage: 43.2V; Battery over-discharge recovery voltage: 48V; Input overvoltage protection voltage: 64V; Charging mode: PWM; Static current: ≦30mA; Protection functions: Reverse connection protection, undervoltage protection, overvoltage protection, overcharge protection, overload protection, short circuit protection, reverse charge protection, etc.; Communication mode: RS485; Dimensions: 440×300×170 (mm);
3) DC power meter: voltage measurement range: DC0-100V; voltage measurement accuracy: 0.2 level; current measurement range: 0-20A; current measurement accuracy: 0.2 level; power supply voltage: AC80-270V, DC90-350V; power consumption: ≤10VA;
4) Single-phase AC power meter: current and voltage measurement accuracy: 0.2 level; power and active energy measurement accuracy: 0.5 level; frequency: 0.05HZ; reactive energy: level 1; power supply voltage: AC80-270V, DC90-350V; power consumption: ≤10VA;
5) Material and size of the cabinet: Plate: hot-dip galvanizing; Plate surface baking varnish process; Steel plate thickness: 2mm; The front door is push-pull type, with a time-transmitting tempered glass design and a pneumatic buffer; The rear door is double-door design, with a filter installed at the bottom; The side doors on both sides are detachable; The base is movable front and back to facilitate the entry and exit of lines and the handling of the cabinet; Cabinet size: 800×800×2000 (mm);
Distributed power generation simulation consists of simulated wind and simulated photovolt*c units. The simulated wind power generation unit consists of a permanent magnet wind turbine generator set, a drag asynchronous motor, a generator bracket, a motor cable, a wind speed simulation unit, etc. The wind turbine adopts a permanent magnet horizontal axis wind turbine, which is dragged by an asynchronous variable frequency motor to simulate the power generation of the generator under different wind speed conditions; The solar photovolt*c power generation unit consists of a single crystal solar photovolt*c cell module, a solar module bracket, a solar-specific cable, an MC4 connector, an environmental detection sensor , etc.
M*n technical parameters of distributed power generation simulation:
1) Wind turbine: rated power: 500W; maximum power: 550W; rated voltage: 48V; rated speed: 650r/m; generator type: three-phase AC permanent magnet synchronous generator; magnetic steel material: NdFeB; generator housing material: die-cast aluminum; speed regulation mode: variable frequency motor drag;
2) variable frequency drag motor: rated voltage: AC380V; rated frequency: 50HZ; rated power: 750W; transmission ratio: 2.37; allowable torque: 70N.M;
3) Wind turbine drag platform: drag mode: coupling drag; drag platform size: 800×300×360(mm);
4) Solar photovolt*c simulator: can simulate the output characteristics of solar panels; can simulate IV curves under different light and temperature; can simulate the output characteristics of various solar cells through fill factor; can simulate IV curves when solar panels are covered; can test the MPPT conditions under static and dynamic conditions; MPPT working point is displayed in real time on the host computer software; has constant power mode; has constant internal resistance mode, and sets the internal resistance; has powerful graphical host computer software; has high voltage regulation accuracy and low ripple voltage; uses 16-bit high-speed ADC for fast and accurate measurement; uses ARM and DSP dual CPU control; applies full-bridge phase-shift soft switching technology; uses Matlab simulation to optimize dynamic stability; uses high-speed DSP for PID calculation and direct PWM output; quickly stores 9 sets of data (voltage, current, power); has overvoltage, overcurrent, overtemperature, and short-circuit protection functions; voltage, current, and time settings, digital key input, and high accuracy;
5) Environmental detection sensor: temperature detection range: -40℃～85℃; temperature detection accuracy: ±0.5℃; humidity detection range: 0-99.9%RH; humidity detection accuracy: ±3%RH; illuminance detection range: 0-20K(LUX); illuminance detection accuracy: 1%; wind speed detection range: 0-30m/s; wind speed detection accuracy: ±2%; wind direction detection range: 0-360°; wind direction detection accuracy: 1%; sensor power supply: DC24V; sensor communication interface: isolated RS485;
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