BWGT-3.9KW Wind Grid-Tie System Controller PWM Constant Pressure & Three-Phase Load Discharge for Wind Power Systems

BWGT-3.9KW Wind Grid-Tie System Controller PWM Constant Pressure & Three-Phase Load Discharge for Wind Power Systems

  • BWGT-3.9KW Wind Grid-Tie System Controller PWM Constant Pressure & Three-Phase Load Discharge for Wind Power Systems
  • BWGT-3.9KW Wind Grid-Tie System Controller PWM Constant Pressure & Three-Phase Load Discharge for Wind Power Systems
Summary
Introducing the BWGT-3.9KW Wind Grid-Tie System Controller, a high-performance solution for stable wind power integration. Featuring PWM constant voltage control at 120% rated capacity (3kW wind + 900W solar), it ensures reliable DC output above 380Vdc. Automatic three-phase load discharge activates during overvoltage or grid failure, protecting the system with intelligent safety logic. Ideal for off-grid and hybrid renewable systems, it supports emergency stop, lightning protection, and optional braking functions, ensuring safe, continuous operation in harsh environments (-30°C to 60°C).More
Specifications
Model:
BWGT-3.9KW
Wind power:
3KW
Solar panel power:
900W
  • BWGT-3.9KW Wind Grid-Tie System Controller PWM Constant Pressure & Three-Phase Load Discharge for Wind Power Systems

◆ Under the conditions of strong or super-strong wind, the controller will conduct constant pressure output and provide DC constant power supply to ensure normal operation of the inverter.

◆ Under the condition of disconnected grid-connected inverter, the controller will conduct constant pressure output to wait for inverter resumption.

◆ When the power grid is off, the three-phase load discharging of the controller will automatically start and the inverter will stop grid output. When the grid power resumes, the controller stops three-phase load discharging and the inverter will resume power supply.

◆ According to the category of the wind turbine generator, the controller can be additionally equipped with mechanical yawing, swing-tai, mechanical or hydraulic, pneumatic, magnetic and other brake functions.

◆ The inside of the controller is equipped with lightening protection device. Contain the transit over voltage penetrating into the wind turbine generator within the voltage scope bearable to the equipment or system or conduct the strong lightening current into the earth to avoid equipment damage posed by lightening impact.

◆ LED status indication: The frontal panel is equipped with indications of wind turbine generator, load discharging, stop delay time, under pressure, grid power and DC output voltage.

◆ Voltmeter indication: Indicate DC output voltage of the controller.

◆ The controller is equipped with emergency stop switch; in case of emergency, press down the emergency stop button in the front panel to cut off all power supply of the controller and the wind turbine generator will immediately carry out three-phase load discharging.

◆ The controller is equipped with manual three-phase load discharging switch; the user may use it according to actual circumstances. When using this switch, the wind turbine generator will forcibly carry out three-phase load discharging.

※ Above parameter only for reference

1. Could be custom made to user specifications.

2. Could have solar power control subject to user demand.

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