300KW-500KW Grid Tie Wind Turbine InverterThe On grid wind turbine
system is composed of wind turbine, on grid controller, on grid
inverter, metering device, and power distribution system. Wind
energy is converted into AC electrical energy by the wind turbine,
and then converted into DC electrical energy by the on grid
controller, and then DC electrical energy is converted into AC
electrical energy of the same frequency and phase as the grid by
the on grid inverter, and part of the power is supplied to the
local load. Surplus power is fed into the grid.300KW-500KW On grid
Wind Turbine Controller Product Characteristics(1) The main circuit
uses the DSP chip produced by the American TI company, German
Infineon IGBT module, drive protection is the Japanese Mitsubishi
movement, and the on grid output part use isolation transformer,
which is safe and reliable; (2) Using SPWM pulse width
modulation technology, pure sine wave output, automatic synchronous
tracking with the grid, power factor close to 1, low current
harmonic content, no pollution to the grid, no impact;(3) Wind
turbine input maximum power tracking technology (MPPT)(4) The power
curve of the wind turbine can be set, the default is 20 points, and
the internal expansion is 50(5) 7-inch color touch screen display,
system operation data and fault information at a glance, and
convenient parameter setting;(6) On grid inverter current
closed-loop control, controllable and adjustable;(7) The input DC
voltage range is wide, adapt to the needs of different
occasions;(8) Frequency disturbance detection technology to realize
anti-island control;(9) The comprehensive power protection scheme
and perfect self-detection and protection functions will stop the
on grid inverter when a system failure occurs.(10) Circuit
structure is compact, the maximum efficiency≥98%(11) Support RS485,
WiFi, GPRS, Ethernet and other communication methods. You can
monitor the working status of the on grid wind power generation
system in real time through the PC or mobile phone, and you can
also query the historical working status. The mobile terminal is
compatible with Android and IOS. All data can be connected to the
Internet of Things.Technical Parameters of the Grid Tie Wind
Turbine Inverter 300KW-500KW On grid wind turbine
controllerSHJ-300K440SHJ-500K440Wind turbine
inputPower300KW500KWMax. Control power /
current450KW/750A750KW/1250ARated voltage of wind turbine
(AC)380V/440V380V/440VInput voltage
rangeAC0-700V0-700VDC0-1000V0-1000VBraking voltage
(DC)Default650V±1%650V±1%Set range630-660V630-660VBraking current
(DC)Default750A1250ASet range0-750A0-1250ABraking timeDefault10-20
minSet range0-5000 min*Generator overspeed controlDefault >300
rpm/minSet range0-1000 rpm/min* Over wind speed controlDefault 14
m/sSet range0-45 m/sManual controlManual brake, *remote control
brake (with communication function)Automatic control functionDump
load control, * yaw, * pitch, * mechanical brake, * hydraulic
brake, * electromagnetic brakeDC output parametersOutput voltage
range (DC)0-650V0-650VConstant voltage (DC)Default620V±1%620V±1%Set
range610-640V610-640VConstant current (DC)Default600A 1000A Set
range0-600A0-1000AOn grid wind turbine
inverterSHJ-300KSHJ-500KRated output power (AC)300KW500KWMax.
Output power (AC)330KW550KWInput voltage rang (DC)0-800V0-800VMPPT
Voltage range (DC)(DC)150V-700V150V-700VMax. Input current
(DC)573A955ARated current520.8A868ATHD Current harmonic 0.99Max.
efficiency96%Allowable grid voltage range (AC)220V/380V/440V/480V
(Three-phase)±20%Allowable grid frequency
range50Hz/60Hz±10%Automatic operation conditionsDC input and power
grid meet the requirements, and the inverter operates
automaticallyRestart time after power
failure2min(Adjustable)General parametersFunction Rectification, DC
output, output voltage control, output current control, Dump load
control, control parameter setting, wind turbine curve
settingAutomatic protectionControl part: Over voltage protection,
over current protection, reverse connection protection, lightning
arresterInverter part: Polarity reverse connection protection,
short circuit protection, island effect protection, LVRT,overheat
protection, overload protection, ground fault protection,
etcDisplayTouch screen, LCDMonitoring contentWind 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 speedProtection levelIP20(Indoor)IP65 (Outdoors)Telematics
RS485/USB/GPRS/WIFI/Ethernet (optional)EnvironmentOperating amb.
Temp. & Hum -30-60°C,
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