Basic Info.
Output Type
AC Three Phase
Number of Blade
Multiple-Blade
Stress Way of Blade
Lift Force
Transport Package
Polywood Case
Product Description
2. SpecificationPower | 20KW |
Rotor diameter | 7m |
Height of blade | 8m |
Material of blades and numbers | Glass fiber reinforce plastic/5 |
Rated rotor speed | 80r/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 | 19000kg |
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 | -45ºC-60ºC |
On-grid Controller:Brake function will be made when there is problem in on-grid inverter and disconnects the state grid. Controller still delivery the stable current even though it is strong wind and there are full indications including wind energy indication, unload indication, delay stop indication, under voltage indication, grid electricity indication. The emergency brake button at the back will force to stop the rotation. 20KW ON-GRID CONTROLLER |
Power of the equipped wind turbine | 20kW |
Operating mode | Continuous |
Function | Commutation, control |
Operating environment | Temperature -10~40ºC, humidity≤80% |
PWM unloading voltage(DCV) | ≥440V |
Brake voltage (DCV) | 460±5V |
Stop delay time (min) | 10-20 minutes |
Self-provided connecting wire of the three phase dump load 1 | >10m m2 |
Self-provided connecting wire of the three phase dump load 2(m m2) | >10 m m2 |
Self-provided connecting wire of the PWM dump load(m m2) | >10 m m2 |
Low voltage indicator (V) | ≤130V |
PWM unloading fuse (A) | 50A |
DC output fuse (A) | 63A |
On-grid InverterIt uses IPM from Mitsubishi as the power components and American ATEMEL company microprocessor as figure controller. Perfect protection, warning functions, MPPT (Maximum Power Point Tracking) technology is matched on the inverter and it is also pure sine wave output, automatically synchronized with the grid tracking, power factor close to 1, Current low harmonic content, non-polluting power grid, no impact. | 20KW ON-GRID INVERTER |
Isolation | Low frequency transformer isolation |
Max. DC power | 22KWp |
Max. allowable input voltage | 780Vdc |
DC input voltage range, MPPT | 150Vdc-780Vdc |
Max. input current | 150A |
Nominal AC output power | 20KW |
Max. AC output power | 22KW |
THD of AC current | <3%(nominal power) |
Power factor | >0.99 |
Max. efficiency | 94% |
Euro efficiency | 92% |
Nominal AC voltage | 310~450Vac |
Nominal AC frequency | 50Hz±1% |
Internal power consumption an night | <10W |
Automatically put into operation conditions | When the DC input and power grids meet to the requirements, the inverters automated operation |
Automatic restart time | 2min |
Protection | Possess the protecting function of polarity connecting contrary, short circuit, island effects, over heat, over land. |
Comm. interfaces | RS485(Modbus protocol) |
Operating Temp. | -20ºC~+50ºC |
Relative humidity | 0~90%,non-condensing |
Altitude(m) | 6000meters(More than 2000 meters down the amount to be used) |
Cooling method | Controlled forced-air cool |
Noise | ≤60dB |
Protection degree | IP20 |
Size(W*L*H mm) | 800*600*2060 |
Communications monitoring | Inverter via RS485 communication for start-stop control and routine data monitoring |
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Dump Load BoxWith metal dumping box, it quickly dissipates heat by air convection. A fan isn't needed.Power curve
Address:
Room 808, Jinyu Central Plaza, 33 Mufu West Road, Xiaguan, Nanjing, Jiangsu, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Agriculture & Food, Auto, Motorcycle Parts & Accessories, Construction & Decoration, Electrical & Electronics, Industrial Equipment & Components, Lights & Lighting, Manufacturing & Processing Machinery, Metallurgy, Mineral & Energy, Service, Tools & Hardware
Management System Certification:
ISO 9001, ISO 29001
Company Introduction:
Xinda Green Energy Co., Limited established in 2008, and have over 10years experience in new energy market, our company located in Nanjing China, we specialized in handling the business of green energy as below
1) Horizontal wind turbine generator from 300W to 200kw, vertical wind turbine from 300W-20kw, both on grid and off grid and also wind solar hybrid system. Both with CE certificate.
2) various kind of permanent magnet generator(0.05-3000kw), speed from 20rpm-20000rpm, which is widely used for wind turbine, hydro turbine, tidal turbine, ocean turbine, free energy and so on, high speed motor from 6000rpm to 15000rpm we can custom generator according customer request about speed, voltage, frequency, shaft size, cooling method and so on
3)both vertical and horizontal, small hydro turbine system(low head and higher head), such as franics turbine, kaplan turbine, tubular turbine and so on, all hydro turbine system design according water head and flow, power from 300W to 10MW.
We have over 10years in the market, know well about new energy market and products. Low speed generator, small hydro turbine are popular used in Europe, America, South Africa and so on area
Our partner manufacturers are committed to continuously improving our operations and meeting the needs of our customers through innovation and new product development. We work closely with them to optimize the performance and cost-effectiveness of their processes.
Any question, welcome to contact us. We will answer your questions at any time!