20-50kW Off Grid Solar Power System

Hebei Mutian Solar Energy Technology Development Co., Ltd. is one of the most reliable manufacturers and suppliers of 20-50kw off grid solar power system in China, also supports customized service. Welcome to buy advanced 20-50kw off grid solar power system in stock from our factory.

20-50kW Off Grid Solar Power System

 

20-50 kW solar systems are popular with most households. We have professional engineers who can customize the system according to your needs, such as whether it is connected to the grid.
Off-grid solar systems can generate electricity and save energy. It is a clean and efficient renewable energy source that can be used for home use.
Our products are environmentally friendly, reliable, easy to operate and flexible in application.
Our products are environmentally friendly and reliable. We will have a dedicated engineer responsible for the after-sales service of the products.

 

EXW Price:US $1700-10000/ Piece

 

Certificates:ISO 90001/CE/TUV/UL

 

Supply Ability:10000 Set/Sets per Month

 

Port:Tianjin

 

Product Model:1-20KW Solar Power System

 

System power:5kw 10kw 15kw 20kw

 

Brand:Mutian Solar

 

Product origin:China

 

Delivery time:5-7Days

 

Warranty:25 years

 

Work Time (h):24 Hours

Our 20-50kW Off Grid Solar Power System delivers uninterrupted operation for industrial loads: 3-phase machinery, refrigeration warehouses, and 24/7 production lines. By integrating Tier-1 monocrystalline panels and industrial pure sine wave inverters , businesses slash energy costs by 40-70% while eliminating grid dependency. The hybrid architecture with lithium-ion storageprovides 72-hour backup autonomy during blackouts.
Engineered for Commercial Demands Solar Power System
As solar experts with 50,000+ deployments across 76 countries, we tailor every Solar Power System to conquer:
• High-Impact Environments: Corrosion-resistant IP65 enclosures for coastal factories, sandstorm-rated trackers for desert mines.

• Peak Load Management: Simultaneous operation of 10-ton HVAC systems (18kW), welding stations (9.6kW), and water pumps. (7.5kW)

• Scalability: Modular expansion from 20kW to 50kW via plug-and-play battery stacking. (48V/100Ah units)

Q1: How to ensure the life of components in high salt fog/dust environment?
A: A triple protection architecture is adopted:

① Component-level IP65 packaging + anti-PID coating. (salt fog corrosion rate ≤0.05mm/year)

② The bracket is made of hot-dip galvanized steel (zinc layer ≥85μm), which can withstand 5,400Pa snow load and desert wind erosion.

③ The electronic equipment is equipped with a closed inverter cabinet, and the internal positive pressure dustproof design blocks the intrusion of particulate matter.

Q2: How to accurately match the battery capacity of a 20-50kW system?
A: Load algorithm based on NASA-SSE sunshine database: Battery capacity (kWh) = average daily load (kWh) × number of days without sunshine × 1.2 (redundancy coefficient). Taking a 30kW cold chain warehouse as an example (daily consumption of 90kWh), 432kWh of energy storage is required to achieve 3 days of rainy and cloudy endurance.

Q3: Does the tilt deviation of the component significantly affect the power generation?
A: The tilt deviation will result in annual power generation loss: the loss is ≤4.2% when the deviation is 10° in the latitude <30° area; the loss is ≤6.8% in the latitude 30°-45°; the loss is ≤9.1% in the latitude >45° (according to the IEC 61853-1 test standard). It is recommended to optimize by latitude: the low latitude area uses a latitude of -5° tilt, the mid-latitude takes the local latitude value, and the high latitude is set to latitude +10°.

Q4: How to remotely diagnose the decline in inverter efficiency?
A: The IoT monitoring system performs 4-level warnings:

① Automatically calibrate the MPPT algorithm when the efficiency drops by 5%.

② Push the radiator cleaning command when it drops by 10%. (reduce overheating failures by 35%)

③ Trigger the 72-hour engineer on-site response SLA when it drops by 20%.

Q5: How to proactively prevent the hot spot effect? ​​
A: Dual-path blocking solution: On the hardware side, each component integrates a bypass diode + a string-level DC fuse; on the software side, infrared thermal imaging drone inspections are used to accurately identify abnormal units with a temperature difference of >2°C.

Q6: Can the investment payback period for industrial users be less than 4 years?
A: Typical economic model for a 50kW system:

① The electricity cost is 0.3 yuan/kWh, which is 75% lower than the grid cost of 1.2 yuan/kWh.

② The annual maintenance fee is 12,000 yuan, which is 86% lower than the traditional 84,000 yuan.

③ The carbon emission penalty tax is zero. Combined with 30% federal tax credits and local subsidies, the payback period can be compressed to 3.2-4.8 years.

Q8: How to fix components in the vibration environment of the mine?
A: The seismic support system (in compliance with ASCE 7-16 standards) uses floating guide rails + shock-absorbing rubber pads to withstand 20Hz-2000Hz mechanical vibration. The 45kW system in the Inner Mongolia open-pit coal mine has maintained component displacement records after three years of operation.

Q9: How does the island system deal with typhoon corrosion?
A: Anti-corrosion agreement for the entire industry chain:

① The components use stainless steel 316L blocks. (chloride ion permeability <0.01μg/cm²·day)

② The cables are equipped with double-layer cross-linked polyethylene sheaths (passed >3000 hours of salt spray test).

Hot Tags: 20-50kw off grid solar power system, China 20-50kw off grid solar power system manufacturers, suppliers, factory, 50kw Solar Power System, 10w Home Solar Power System, off grid solar biomass backup, off grid solar charge cycle, off grid solar solution, Solar System with Lithium Battery