DC Micro Grid

Silov Solution’s DC Microgrid is a 5 kW DC microgrid with solar photovoltaic array emulator, battery, grid-connected inverter, two-wheeler electric vehicle charger, SMPS, and super capacitor. Compared to the legacy microgrids, this microgrid has higher resilience and is less likely to fail. This microgrid is not only a revolutionary product, but also aligns with the need for more resilient and plays a major role in the world of smart grids in the field of renewable energy.


This DC Microgrid was specially designed to implement the vision of a 5 kW DC microgrid with a multiplicity of components such as solar photovoltaic array emulator, battery, grid-connected inverter, two-wheeler electric vehicle charger, SMPS, and supercapacitor. All the converters in this microgrid communicate either through wired or wireless control mode with automatic constant current, constant voltage mode. Not only this, the microgrid by Silov Solutions has automatic CC/CV modes, and a user-friendly software interface that makes it one of the best choices for any institute and a hardware research platform.

The key features of the product are –
1. Wired/ Wireless connectivity for control
2. Automatic CC/CV modes
3. Full protection for short circuits
4. User-friendly software interface
5. Graphical representation of voltage/ current waveforms
6. Full and autonomous control

DC microgrid energy management system –
1. 5 kW System with Multi-output Current and Voltage control Schemes
2. Bi-directional and dual control approach (Voltage/Current)
3. Input/ Output Voltage, Current, and power measurement display units
4. Seamless control through NI-LabVIEW software
5. Current Control with 0.1 A Accuracy, Voltage Control with 0.1 V Accuracy
6. Provided with Over current, Over voltage, Over Power Protection
7. Provided with memory storage function
8. Onboard Voltage, current sensors, and complete digital display
9. Provided with inherent CC and CV mode for seamless control
10. Complete system can be controlled through either wirelessly or USB mode

Component Specific Features –
1. Lithium-ion Batteries (0.5 kWh)
12 V 40 Ah with charge controller protection board

2. Grid-connected Inverter –
1000W Grid tie inverter 220v, 230v, 240VAC Pure Sine Wave Inverter for 30V/36V Panel, with MPPT functions, solar power inverter
Generates pure Sine Wave Automatic power adjustment
Constant Power Output Low distortion output on all ranges
Allow different Power factor from the load
Compact and lightweight design
Maximum Power Point Tracking (MPPT) – optimize power output
Plug and Play Design, simply plug into an outlet (GFI), no hard-wiring
Stackable (connect in parallel for higher output)
The aluminum enclosure will act as a heat sink to help dissipate heat
Simple and safe installation Island protection: Inverter will shut down during blackouts.

3. Electrical Vehicle charger –
Input voltage range: 6.00-60.00V
Output voltage range: 0V-50.00V
Output current: 0-20.00A
Output power range: 0-1000W
Product Weight: about 222g
Display module size: 79*43*41(mm) (L*W*H)
Open size: 71mm*39mm
Power module size: 93*71*41(mm) (L*W*H)
Length of connecting line: 200mm
Fixed hole center distance: 86mm, 64mm
Output voltage resolution: 0.01V
Output current resolution: 0.01A
Output Voltage accuracy: ± (0.5% + 1 digit)
Output Current accuracy: ± (0.5% + 2 digits)

4. PV Emulator
50V 20 A solar photovoltaic emulator characteristics
Able to emulate for various irradiation condition
Complete user control parameters as per two diode model
Current Control with 0.1 A Accuracy, Voltage Control with 0.1 V Accuracy
Provided with Over current, Over voltage, Over Power Protection
Provided with memory storage function
Onboard Voltage, current sensors, and complete digital display
The complete system can be controlled either wirelessly or in USB mode

5. AC110V/AC220V To DC 48V 20A 1000W Switch Mode Power Supply for DC grid and Emulator –
Input Voltage: AC110V/AC220V±15%
Output Voltage: 48V DC
Wattage: 1000W
Shell Material: Metal case / Aluminum base
Protection: Shortage Protection, Overload Protection, Over Voltage Protection
Widely used in Industrial automation, LED display, communications, etc.
Safety Compliance: CCC/ FCC / CE
Working Temperature: 0~40°C
Storage Temperature: -20~60°C
Ambient Humidity: 0~95% Non-Condensation

6. Voltage, Current, Power Frequency, Power factor, Energy, having RS485 Modbus Electronic Module With Coil CT & USB Cable –
Measuring Range 10A (external transformer) With Coil CT & USB cable
1. Function description
1. Voltage
1.1.1 Measuring range:80~260V
1.1.2 Resolution: 0.1V
1.1.3 Measurement accuracy: 0.5%
1.2 Current
1.2.1 Measuring range: 0~100A
1.2.2 Starting measure current: 0.02A
1.2.3 Resolution: 0.001A
1.2.4 Measurement accuracy: 0.5%
1.3 Active power
1.3.1 Measuring range: 0~23kW
1.3.2 Starting measure power: 0.4W
1.3.3 Resolution: 0.1W
1.3.4 Display format:
When the data is <1000W, it displays one decimal, such as 999.9W When the data is ≥1000W, it displays the only integer, such as 1000W 1.3.5 Measurement accuracy: 0.5% 1.4 Power factor 1.4.1 Measuring range: 0.00~1.00 1.4.2 Resolution: 0.01 1.4.3 Measurement accuracy: 1% 1.5 Frequency 1.5.1 Measuring range: 45Hz~65Hz 1.5.2 Resolution: 0.1Hz 1.5.3 Measurement accuracy: 0.5% 1.6 Active energy 1.6.1 Measuring range: 0~9999.99kWh 1.6.2 Resolution: 1Wh 1.6.3 Measurement accuracy: 0.5% 1.6.4 Display format: When the data is <10kWh, the display unit is Wh(1kWh=1000Wh), such as 9999Wh When the data is ≥10kWh, the display unit is kWh, such as 9999.99kWh 1.6.5 Reset energy: use software to reset. 1.7 Overpower alarm Active power threshold can be set, when the measured active power exceeds the threshold, it can alarm 1.8 Communication interface RS485 interface

7. Function and Display format
1 Voltage
1.1 Measuring range:0.05-300V. (when the test voltage is < 7V, please use the independent power supply mode) 1.2 Resolution:0.01V. 1.3 Measurement accuracy:1%. 2 Current 2.1 Measuring range:0.01-10A(PZEM-003);0.02-300A(PZEM-017;can be matched with 50 100 200 300A four kinds of shunt). 2.2 Resolution:0.01A 2.3 Measurement accuracy:1% 3 Power 3.1 Measuring range:0.2-90kW(PZEM-017) 3.2 Resolution: 0.1W 3.3 Measurement of accuracy:1% 4 Energy Consumption 4.1 Measuring range: 0-9999kWh 4.2 Resolution: 1Wh 4.3 Measurement of accuracy:1% Reset energy: use software to reset.

8. Super Capacitor 2.7V 500F 6 Pcs Set Super Capacitance With Protection Board-
Long life and rapid charge/discharge and other advantages
Up to a million times charge-discharge cycle life
With resistance or active monomer equalizing function
Overvoltage output signal
Suitable For: Help users optimize backup power applications
Rated Voltage: 16V
Rated Capacity: 500F
Size: approx. 23×3.5x6cm/9.1×1.38×2.36″

Communication interface
RS485 interface.

Communication protocol
Physical layer protocol
Physical layers use UART to the RS485 communication interface.
Baud rate is 9600, 8 data bits, 2 stop bits, no parity.
Other instructions
1 RS485 interface is passive output, need external connect 5V power supply and the external power supply
should >100mA.
2 When the input test voltage is less than 7V, it must supply 5V independent work voltage through MICRO USB
Note: Do not use the USB port brought by your PC to be the independent power supply, otherwise it may damage your PC!
Working temperature
-20’C ~ +60’C


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