On Grid Solar Inverter GW500K-MTL

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CNBM Solar  is a world-leading and Vertical integrated manufacturer of high-performance with Silicon,

Wafer, Cells, Modules, which convert sunlight into electricity for residential, commercial, and utility-scale

power generation.

        

The capacity of CNBMSolar  is reach to 1GW, and make sure each year our shipment capacity is more

Than 700-800MWs, at the same time, we have set up the largest solar power station with our partner

in Ukraine.

       

CNBM is a Quality + Service oriented company with“Excellence at Each Step” approach, composed of

the finest components from TUV and IEC-certified partners around the world, CNBM modules consistently

undergo a variety of trials at the company’s Test & Development Centre, ensuring peak performance

capabilities. The company is committed to develop and provide the world with clean and renewable energy

to ease the energy shortages as well as human kind’s impact on the environment.

 

Feature and data

GoodWe central GW500K-MTL solar inverter is widely used in large-scale solar power plants. As core equipment in solar power station, its stability and reliability play an important role in long-term investment returns. GW500K-MTL solar inverter adopts industrial design philosophy as well as proven inverter control technology, which ensures its 25 years life time. In terms of solar plants grid integration, GoodWe solar inverter is also equipped with output power liner control, SVG reactive power compensation technology, LVRT capability and other advanced technologies which are apt to grid integration and management. In addition, its lower THDi output and higher conversion efficiency provide stronger support to green and efficient power plants operation.

DC Input DataMax. PV-generator power [KW]550
Max. DC voltage [V]1000

Max. DC current [A]

1200
MPPT voltage range [V]450~820
Max. input numbers10
Nighttime self-energy consumption [W]<100< td="">
AC Output DataNominal output power [KW]500
Nominal output voltage(Line Voltage) [V]270
Grid voltage range(Line Voltage) [V]310~450(Equipped with 270/400 tranformer)
Rated output current [A]1070
Max. output current [A]1177
Nominal grid frequency [Hz]50/60
Grid frequency range [Hz]47.5~52.5/57~63
THDi<1%< td="">
EfficiencyMax. efficiency98.8%
European efficiency98.6%
MPPT adaptation efficiency>99.5%
Gerenal DataDimensions (WxHxD) [mm]2610*2165*800
Net weight [kg]2100
HousingIndoor
Operating temperature range-25~55℃
Relative humidity0 ~ 95%
IP Protection classIP20
TopologyTransformer electric isolation
CoolingForced air-cooling
CommunicationRS485(Ethernet/GPRS Optional)
Display7"LCD Touch Screen
Standard Warranty [years]2 (Extention optional)

 On Grid Solar Inverter GW500K-MTL

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Q:Three-phase photovoltaic inverter grid, the use of phase-locked loop is what?
In addition to the function of converting DC current into alternating current, the inverter also has the maximum output tracking function (MPPT), overvoltage protection, short circuit protection, island protection, overheat protection, overload protection and DC grounding
Q:Installation and maintenance of photovoltaic grid - connected inverter
photovoltaic systems Power generation system used in the cable must be connected firmly, good insulation and specifications appropriate.
Q:Grid-connected inverter is generally divided into photovoltaic power generation grid-connected inverter, wind power grid-connected inverter, power equipment and grid-connected inverter and other power generation equipment power generation inverter.
The small use of field-effect transistors while using a DSP conversion controller to improve the quality of the output power makes it very close to the sine wave current.
Q:PV grid-connected inverter and independent inverter in the control of what is the difference
Photovoltaic grid-connected inverter is the assembly of the DC into AC power for the use of load, or do not use the load, the inverter after the AC power to the city power grid, when the electricity outage, the inverter will automatically
Q:What are the methods of photovoltaic grid-connected inverter control
Sine wave output inverter control integrated circuits, sine wave output of the inverter, the control circuit can be used microprocessor control, such as INTEL company produced 80C196MC, Motorola produced MP16 and MI-CROCHIP company PIC16C73 and so on, these single-chip microcomputer has a multi-channel PWM generator,
Q:Is the grid side of the grid and the inverter?
Grid-type system power transmission sequence: photovoltaic panels> relays> inverters> relays> electricity load + power grid (both in parallel).
Q:What is the difference between low voltage grid connection and medium voltage grid connection?
When the power grid failure or disturbance caused by the power supply and network voltage drop, in the voltage drop range, the power group can be uninterrupted through the inverter and network operation.
Q:Photovoltaic grid-connected inverter problem
But Baidu Encyclopedia clearly pointed out: the zero line is the secondary side of the transformer leads the neutral point of the line, and the phase line constitutes a circuit for power supply equipment.
Q:The working principle of photovoltaic grid - connected inverter
Full-bridge inverter circuit to overcome the shortcomings of the push-pull circuit, the power transistor to adjust the output pulse width, the output AC voltage RMS that changes. Since the circuit has a freewheeling circuit, even if the inductive load, the output voltage waveform will not be distorted. The disadvantage of this circuit is that the upper and lower arms of the power transistor are not common, so you must use a special drive circuit or use isolated power supply. In addition, in order to prevent the upper and lower arm co-conduction, must be designed to turn off after the conduction circuit, that must be set dead time, the circuit structure is more complex.
Q:What is the difference between a grid-connected inverter and an off-grid inverter? What are the advantages of a hybrid inverter?
Grid-connected inverter will be directly sent to the power grid, so to track the frequency of the grid, phase, the equivalent of a current source. Of course, there are some inverters that have a low-pressure through the ability to do PQ adjustment.

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