Specifications
Brand Name :
BF
Model Number :
BF-C-20K
Certification :
CE
Place of Origin :
China
MOQ :
1
Price :
18000$
Payment Terms :
T/T,L/C
Supply Ability :
100UNITS PER MONTH
Delivery Time :
20DAYS
Packaging Details :
PLYWOOD CASE
Material :
Q235&FRP
Working tempreture :
-45-60℃
Rotor diameter (m) :
6
Height of blades :
6.6
Rated rotor speed (m/s) :
100r/min
Speed regulation method :
Electromagnetic control
Top weight (kg) :
1800kg
Start up wind speed(m) :
3.8m/s
Survival wind speed(m) :
50
Rated wind speed(m/s) :
13
Tower type :
133mm steel tube
Height of tower :
12M
Material of blades and numbers :
Glass fiber reinforce plastic/5
Output voltage :
220V/380V
Work Speed :
3.8-25m/s
Wind energy utilized coefficient :
30%-40%
Description
BF-C Series 20kW Vertical Axis Wind Turbine System
Our BF-C-series wind power generating system features advanced vertical axis technology with magnetic suspension structure, delivering exceptional wind energy efficiency and reliable performance for residential and small business applications.
Key Features
  • High wind energy coefficient with low startup wind speed (3.8m/s)
  • Superior anti-wind capability and stable operation
  • Noise-free performance with maintenance-free design
  • Advanced anti-corrosion treatment and sealing for long service life
  • Captures wind from any direction without yaw mechanism
  • Ideal for urban and suburban environments with turbulent wind flows
Technical Specifications
Power 20KW
Rotor diameter 6m
Height of blade 6.6m
Material of blades and numbers Glass fiber reinforce plastic/5
Rated rotor speed 150r/min
Output voltage 220V/380V
Start up wind speed 3.8m/s
Rated wind speed 13m/s
Work speed 3.8-25m/s
Security wind speed 50m/s
Height of tower 12m
Top weight except tower 1800kg
Tower type 133mm steel tube
Wind energy utilized coefficient 30%-40%
Suggested batteries information 64pcs 12V 200AH
Speed regulation method electromagnetic control
Range of working temperature -45℃-60℃
Generator Body
Features high-grade Neodymium Iron Boron permanent magnets, each tested for magnetic flux by authorized institutions. Engineered for low starting torque while maintaining high generating efficiency through optimized internal structure.
High-Efficiency Vertical Axis Wind Turbines 1kW - 20kW for Residential & Commercial Use High-Efficiency Vertical Axis Wind Turbines 1kW - 20kW for Residential & Commercial Use
Blade Specifications
Streamline shape with 3 reinforced fiber plastic blades. Manufactured using unidirectional fiber fabric and epoxy resin molds with inner foam core construction. Designed for low noise operation, excellent balance, and superior fatigue resistance.
High-Efficiency Vertical Axis Wind Turbines 1kW - 20kW for Residential & Commercial Use
Wheel Hub & Connectors
Precision-made steel wheel hub connects blades to generator. Blades connectors constructed from Q235 plate with anti-corrosion surface treatment for durable performance.
High-Efficiency Vertical Axis Wind Turbines 1kW - 20kW for Residential & Commercial Use High-Efficiency Vertical Axis Wind Turbines 1kW - 20kW for Residential & Commercial Use High-Efficiency Vertical Axis Wind Turbines 1kW - 20kW for Residential & Commercial Use
Tower Options
Available in Q235 guy wire tower with anti-corrosion painting or free stand tower with hot dip galvanized plastic spraying for various installation requirements.
High-Efficiency Vertical Axis Wind Turbines 1kW - 20kW for Residential & Commercial Use High-Efficiency Vertical Axis Wind Turbines 1kW - 20kW for Residential & Commercial Use
Off-grid Controller
Wind-solar hybrid controller which rectifies AC current generated by wind generator into DC current and charges the battery bank. Unload function activates when strong wind produces excess current. The controller brakes when batteries reach full capacity (125% voltage) and resumes charging when voltage reduces to 108%. Includes manual brake button for emergency stops.
Product Model WWS200-220-N00
Rated Battery Voltage 220V
Rated Wind Turbine Input Power 20kW
Maximum Wind Turbine Input Power 30kW
Wind Turbine Brake Current 91A
Rated Solar Input Power 6kW
Floating Charging Voltage 266V
Display Mode LCD
Quiescent Current ≤20mA
Ambient Temperature & Humidity -20~+55℃/35~85%RH(Without Condensation)
Temperature Compensation Function (Optional) -4mV/℃/2V ,-35℃--+80℃ ,Precision:±1℃
Dimension(L×W×H) Controller Box: 440×300×170mm ; Dumpload Box: 680×420×675mm
Net Weight Controller Box:9kg ; Dumpload Box: 30kg
In order to serve our customers better. Our company can adjust parameters configuration according to customer's requirement.
High-Efficiency Vertical Axis Wind Turbines 1kW - 20kW for Residential & Commercial Use
Off-grid Inverter
Pure sine wave output capable of driving any household appliances. Features integrated circuit design with minimal wiring connections. Utilizes microprocessor technology for enhanced system integration. Includes comprehensive protection systems with high efficiency transformer design and LCD operation status display.
20kW Off-grid Inverter Technical Data
Product Model WI200-220-3N01
Rated Output Capacity 20kVA
Rated Battery Voltage 220VDC
Over Voltage Shutoff 312VDC
Over Voltage Recovery 302VDC
Under Voltage Shutoff 198VDC
Under Voltage Recovery 220VDC
No-load Loss ≤0.9A
Output Wave Pure sine Wave
Display Mode LCD
Cooling Fan
Rated Output Voltage 220VAC
Wave Distortion ≤4%
Output Frequency 50±0.5Hz
Dynamic Response 5%
Power Factor ≥0.8
Over-load Capacity 120% 1min,150% 10s
Invert Efficiency 90% Max
Isolating Mode Toroidal Transformer
Noise (1m) ≤40dB
Insulating Strength 1500VAC,1min
Protection Functions Input over voltage protection, Battery under voltage protection, Battery anti-reverse connection protection, Output overload protection, Output short circuit protection, Over temperature protection.
Ambient Temperature -20~+55℃
Working Altitude ≤4000m
Ambient Humidity 0~90%,Without Condensation
Dimensions (Lx W x H) 500 x 500 x 1100mm
Net Weight 130kg
In order to serve our customers better, our company can adjust parameter configuration according to customer's requirement.
High-Efficiency Vertical Axis Wind Turbines 1kW - 20kW for Residential & Commercial Use
Performance Curves
High-Efficiency Vertical Axis Wind Turbines 1kW - 20kW for Residential & Commercial Use
Additional Technical Specifications
  • Generator Type: Permanent magnetic synchronous style
  • Surface Treatment: Multi-layer painting including base coat (2 layers), anti-corrosion paint, and surface finish
  • Complete System Includes: Base flange, guy wires, wire tighteners, ground anchors, nuts, screws, bolts, and cables
  • Off-Grid System Requirements: 64 x 12V 100AH batteries (not included in base price)
  • Certifications: CE product certificate and ISO factory report


Technical Description:

Engineered for heavy-duty performance, our 10kW to 20kW Vertical Axis Wind Turbines are built to deliver maximum output for commercial and industrial off-grid projects.

Our turbines utilize advanced electromagnetic design and precision-cast blades to ensure high wind energy utilization coefficients. They are perfectly suited for telecom towers, remote monitoring stations, farms, and grid-tied wind farms.

Performance Highlights:

High Efficiency Generator: Custom-designed PMG (Permanent Magnet Generator) ensures stable voltage output and high conversion efficiency.

Weather Resistant: Rated to withstand typhoon-level wind speeds with automatic braking protection systems.

Long Service Life: Designed for 20+ years of reliable operation with minimal maintenance requirements.

OEM & Spare Parts Services:

We understand that maintenance is key to wind power projects. We supply standalone generator motors and reinforced wind blades compatible with various VAWT models. Whether you need a single replacement part or a bulk order for a wind farm project, our factory guarantees top-tier quality and fast shipping.

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High-Efficiency Vertical Axis Wind Turbines 1kW - 20kW for Residential & Commercial Use

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Brand Name :
BF
Model Number :
BF-C-20K
Certification :
CE
Place of Origin :
China
MOQ :
1
Price :
18000$
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High-Efficiency Vertical Axis Wind Turbines 1kW - 20kW for Residential & Commercial Use
High-Efficiency Vertical Axis Wind Turbines 1kW - 20kW for Residential & Commercial Use
High-Efficiency Vertical Axis Wind Turbines 1kW - 20kW for Residential & Commercial Use
High-Efficiency Vertical Axis Wind Turbines 1kW - 20kW for Residential & Commercial Use
High-Efficiency Vertical Axis Wind Turbines 1kW - 20kW for Residential & Commercial Use

Qingdao Bofeng Wind Power Generator Co., Ltd.

Verified Supplier
1 Years
shandong, qingdao
Since 2009
Business Type :
Manufacturer, Distributor/Wholesaler, Importer, Exporter, Seller
Main Products :
Total Annual :
>200MILLION
Employee Number :
>50
Certification Level :
Verified Supplier
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