Wind Turbine Grid-tie Inverter 250KW for on Grid Wind Generator Systems

Product Description

Product Description
Wind Turbine Grid-tie Inverter 250KW for on Grid Wind Generator Systems Wind Turbine Grid-tie Inverter 250KW for on Grid Wind Generator Systems
Wind Turbine Grid-tie Inverter 250KW for on Grid Wind Generator Systems
Wind Turbine Grid-tie Inverter 250KW Grid Generator System Part 1 Wind Turbine Grid-tie Inverter 250KW Grid Generator System Part 2 Wind Turbine Grid-tie Inverter 250KW Grid Generator System Part 3 Wind Turbine Grid-tie Inverter 250KW Grid Generator System Part 4 Wind Turbine Grid-tie Inverter 250KW Grid Generator System Part 5 Wind Turbine Grid-tie Inverter 250KW Grid Generator System Part 6 Wind Turbine Grid-tie Inverter 250KW Grid Generator System Part 7 Wind Turbine Grid-tie Inverter 250KW Grid Generator System Part 8 Wind Turbine Grid-tie Inverter 250KW Grid Generator System Part 9
Technology Specifications
On grid wind turbine controller WGMC300K440 WGMC500K440
Wind turbine input
Power 300KW 500KW
Max. Control power / current 450KW/750A 750KW/1250A
Rated voltage of wind turbine (AC) 380V/440V 380V/440V
Input voltage range AC 0-700V 0-700V
DC 0-1000V 0-1000V
Braking voltage (DC) Default 650V±1% 650V±1%
Set range 630-660V 630-660V
Braking current (DC) Default 750A 1250A
Set range 0-750A 0-1250A
Braking time Default 10-20 min
Set range 0-5000 min
* Generator overspeed control Default >300 rpm/min
Set range 0-1000 rpm/min
* Over wind speed control Default 14 m/s
Set range 0-45 m/s
Manual control Manual brake, *remote control brake (with communication function)
Automatic control function Dump load control, * yaw, * pitch, * mechanical brake, * hydraulic brake, * electromagnetic brake
DC output parameters
Output voltage range (DC) 0-650V 0-650V
Constant voltage (DC) Default 620V±1% 620V±1%
Set range 610-640V 610-640V
Constant current (DC) Default 600A 1000A
Set range 0-600A 0-1000A
On grid wind turbine inverter DMWG300K DMWG500K
Rated output power (AC) 300KW 500KW
Max. Output power (AC) 330KW 550KW
Input voltage range (DC) 0-800V 0-800V
MPPT Voltage range (DC)(DC) 150V-700V 150V-700V
Max. Input current (DC) 573A 955A
Rated current 520.8A 868A
THD Current harmonic <3%(at rated power)
Power factor >0.99
Max. efficiency 96%
Allowable grid voltage range (AC) 220V/380V/440V/480V (Three-phase)±20%
Allowable grid frequency range 50Hz/60Hz±10%
Automatic operation conditions DC input and power grid meet the requirements, and the inverter operates automatically
Restart time after power failure 2min(Adjustable)
General parameters
Function Rectification, DC output, output voltage control, output current control, Dump load control, control parameter setting, wind turbine curve setting
Automatic protection Control part: Over voltage protection, over current protection, reverse connection protection, lightning arrester
Inverter part: Polarity reverse connection protection, short circuit protection, island effect protection, LVRT, overheat protection, overload protection, ground fault protection, etc
Display Touch screen, LCD
Monitoring content Wind turbine voltage, current, power, solar panel voltage, current, power, DC output voltage, current, power, inverter output power, * cumulative power generation, * power generation at any time, * rotational speed, * wind speed
Protection level IP20(Indoor) IP65 (Outdoors)
Telematics RS485/USB/GPRS/WIFI/Ethernet (optional)
Environment Operating amb. Temp. & Hum -30-60°C, <90% no condensation
Noise (1m) <40dB
Refrigeration mode Forced air cooling
Dimensions & Weight
Inverter size / weight 2010*1060*2100mm 1.8t 2010*1200*2090mm 2.5t
* It means the function is optional. If you require it, please specify before placing your order.
Above parameters are for reference only and can be custom-made to user specifications.
System Parts & Services
Wind Turbine Grid-tie Inverter Parts
Service Guarantee

As our corporate users, you enjoy the following services:

  • Free machine warranty for 2 years
  • Comprehensive technical support
  • Response within 24 hours of receiving notifications
  • Lifetime cost maintenance

When confirming equipment failure, please contact support promptly with the equipment model and a detailed description of the issue.

Note: The warranty does not cover the following situations:

  1. Unauthorized repair or damage conducted without permission.
  2. Arbitrary installation or modification of the equipment.
  3. Incorrect operation, handling, or use.
  4. Failure to follow the manual for cleaning and maintenance.
  5. Damage resulting from abnormal environmental conditions exceeding specifications.
  6. Deliberate or man-made physical damage.
  7. Damage caused by irresistible natural disasters.
Payment & Terms
Payment options and transaction terms
Project Cases
Wind Generator Project Case Installation 1 Wind Generator Project Case Installation 2
Factory & Facility
Production Facility Showcase Quality Inspection Center
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Frequently Asked Questions
What is the standard warranty period for this grid-tie system?
The machine comes with a 2-year free warranty. Technical support is always available, and we provide cost maintenance for the lifetime of the product.
Can these systems be customized to meet specific technical requirements?
Yes. The parameters provided in the datasheet are for reference only. Systems can be customized to match specific input voltages, output frequencies, or unique operating environment requirements.
How does the wind turbine controller protect against overspeed and strong winds?
The controller features multiple automated control functions including dump load control, yaw, pitch, mechanical brakes, hydraulic brakes, and electromagnetic brakes to manage overspeed and high wind conditions safely.
What protection mechanisms are integrated into the grid-tie inverter?
The inverter section is fully protected with reverse polarity protection, short circuit protection, islanding effect protection, LVRT (Low Voltage Ride Through), overheat protection, overload protection, and ground fault protection.
What remote monitoring interfaces does the system support?
We support optional RS485, USB, GPRS, WIFI, and Ethernet connections. These interfaces allow you to monitor real-time wind turbine voltage, current, power, cumulative power generation, rotational speed, and wind speed.

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