5KW VAWT wind power turbine generator | Commercial grade

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About NKC products

NKC are a worldwide organization that have turnovers in excess of 900 Million dollars per annum. They have a reputation for high quality commercial products and are world leaders offering bearing systems, automation systems and automotive assembly line systems, NKC are the preferred suppliers to all major auto manufacturers worldwide.

As there are branches in most countries it is highly likely that you will have local representation for advice, support and product installation assistance.

Summary

This wind power generation system is connected to an existing power system using a power conditioner. It therefore has no battery and cannot be used without a power grid. If you want freestanding load operation that uses a battery or other storage system, please choose a different series.

The power output through the power conditioner is single-phase three-wire 100/200V (50/60Hz). A power conditioner is available for those who wish to have triple-phase output. Please inquire.

Wind Power Generator 5KW - On Grid

Type of generator

NKC-5000-300

Output at 13.5 m/s

5000W

Nominal output

5000W
(3 phase, AC)

Output voltage

AC 210V

Start-up wind speed

1.8m/s

Start-of-charge wind speed

3.0m/s

Survival wind speed (maximum instantaneous wind speed)

65m/s

Brake

Electrical brake/Mechanical brake

Rotor diameter

3200mm

Blade Length

Width

No. of blades

Material

Surface treatment

Paint

Paint color (standard)

4000mm

1000mm

4

Aluminum alloy
(A5052)

Anti-rust/anti-
corrosion

Urethane resin
paint finish coating

Sky blue
Munsell: 10B7/6
JPMA: C69-70L

Main apparatus Material

Paint

Paint color
(standard)

Structural carbon
steel tube/sheet

Urethane resin
paint finish coating

Ivory
Munsell: 5Y8.5/1
JPMA: C-25-85B

Height

Approx. 6,500 mm

Approximate weight

1600kg

Performance | Interconnected System

The power generated by the wind turbine generator is converted from AC to DC by a rectifier, and is boosted to the power conditioner's operating voltage by a DC/DC converter. The boosted power is converted from DC to single-phase three-wire AC (100/200V) by the power conditioner, and is interconnected to an existing power grid and used as ordinary commercial electricity.

Both the DC/DC converter and power conditioner have power load adjustment on both the input and output ends to supply power to the grid that matches the wind speed.

Brake System

This system is comprised of two types of brakes – an electrical brake that controls rotation when the wind speed exceeds the system's rated speed in order to continue generating power and a mechanical brake for ensuring safety. When the turbine rotates faster than its rated speed due to sudden changes in wind speed such as gusts, a signal from the voltage detector (VD) causes the electrical brake to operate, thereby decreasing the rotation. When the turbine's rotation drops below its rated speed, the electrical brake is automatically released.

If further overspeed occurs, a signal from the voltage detector (VD) or speed detection unit (SDU) causes the mechanical brake to operate, stopping the turbine's rotation. This mechanical brake provides safe operation of the system in the event of a failure of the DC/DC converter or power conditioner, or during a power outage of the control source. For maintenance, the electrical brake can also be applied manually to stop operation.