PV On-Grid Inverter GSG-50KTV from CNBM ,China

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Description:

 

CNBMSOLAR 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.

Data:

inputDC

 

MAX.DC.inputpowerKW

17.5

max.input  voltage(Vdc)

1000

max. input  current(A)

A:20/B:20

MPPTrange(Vdc)

430~830

Min.DC  voltage/start voltage(V)

170/220

Output(AC)

 

rated AC output  power(KW)

17

max.output  power(KW)

17

Rated voltage of  grid(Vac)

3/N/PE 230/400

rated grid  frequency(Hz)

50/60

THD

3%(rated power)

Power factor

0.9 leading~0.9  lagging

Max.AC  current(A)

25

phase  conductors/connection phases

3/3

Efficiency,safety and  protection

 

max efficiency

98.20%

euro efficiency

97.80%

MPPT efficiency

99.90%

overvoltage/undervoltage  protection

yes

DC isolation  impedance monitoring

yes

ground fault  protection

yes

grid monitoring

yes

DC linjection  monitoring

yes

ground fault  current monitoring

yes

general data

 

display

LCD

communication

ethernet/RS232/RS485

self-consumption  at night(W)

5

Pollution degree

protection  degree

IP65

cooling

Fan

operating  temperature range

under 20 ~ 60℃(Derating at 45℃)

operating humid  range

0-100%

isolation mode

transformerless

altitude(m)

<2000

standard  warranty

5

noisy

45

dimensions(w*H*D)  (mm)

520*730*243

weight(Kg)

55

 

PV On-Grid Inverter GSG-50KTV from CNBM ,China

FAQ:Could you introduce more about CNBM?

 

CNBM Group is short for China National Building Materials Group Corporation, which is established in 1984 with approval from the State Council

CNBM Group is the largest comprehensive building materials industry group in China

 

The Group has a total asset of over RMB 360 billion, more than 180,000 employees and 17  subsidiaries


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Q:Installation and maintenance of photovoltaic grid - connected inverter
Before the installation should first check whether the inverter in the transport process for damage. When selecting the installation site, there should be no interference with any other power electronic equipment in the surrounding area.
Q:How the output voltage of the PV inverter and the grid-connected voltage are determined
Inverter is the DC power (battery, battery) into alternating current (usually 220V, 50Hz sine wave). It consists of inverter bridge, control logic and filter circuit. Widely used in air conditioning, home theater, electric wheel, power tools, sewing machines, DVD, VCD, computer, TV, washing machine, range hood, refrigerator, video recorders, massage, fan, lighting and so on. In foreign countries
Q:What is the difference between a PV grid-connected inverter and an off-grid inverter?
Off-grid inverter is equivalent to their own to establish an independent small power grid, mainly to control their own voltage, is a voltage source.
Q:PV grid-connected inverter and independent inverter in the control of what is the difference
The independent inverter in the output voltage phase amplitude of the frequency control is initially set good. Independent inverter, you should refer to off-grid inverter, do not need to consider the grid situation.
Q:After the PV inverter, how to achieve the same period before the network?
It can automatically detect the generator and the grid frequency and voltage, in the frequency, voltage, phase are in line with the requirements of the grid to set the time before the release of the closing signal, so that it can be safely and securely connected.
Q:Photovoltaic grid-connected inverter without DC emc how will happen
by means of energy converters can be converted into electrical energy. The process of converting light energy directly into electrical energy is precisely the response to photovoltaic effects. Without the need for any other mechanical parts, the energy in
Q:Is the PV inverter a current source or a voltage source?
The inverter is mainly composed of a switching element such as a transistor, and turns the DC input into an AC output by repeatedly turning ON-OFF the switching element in a regular manner.
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:What is the difference between low voltage grid connection and medium voltage grid connection?
Have a low pressure through the function set, low pressure through the scope of the project requirements, grid and network requirements and the actual situation of the design), low voltage grid to pass the voltage range is less than the medium pressure, parameter settings are not sensitive and complex.
Q:Generally a large grid-connected photovoltaic power plant will have several inverters
Group is the use of a number of grid-connected inverter and grid-connected AC power grid, the advantage is the loss of small, low cost of the cable (because the PV cable is more expensive), eliminating the cost of the convergence box, and multiple

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