Photovoltaic Grid-Connected Inverter SG1000TS-MV

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1. Structure of Photovoltaic Grid-Connected Inverter SG1000TS-MV Description

A solar inverter, or PV inverter, or Solar converter, converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into

 autility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical network.

 It is acritical BOS–component in a photovoltaic system, allowing the use of ordinary AC-powered equipment. Solar inverters have

special functions adapted for use with photovoltaic arrays, including maximum power point tracking and anti-islanding protection.

Suitable for 50Hz/60Hz grid, could be used in Asia, North America and Europe.

 

 

2. Main Features of the Photovoltaic Grid-Connected Inverter SG1000TS-MV

Turn-key solution,high integration     

Integrated PV inverter, DC/AC power distribution, medium-voltage transformer, system monitoring, fire alarm, environment monitoring functional modules and so on   

Save AC cables, lower consumption and promote users’ benefits      

SCADA monitoring system integrated to reduce the costs and ensure the optimal status of the plant     

* Easy for Transportation and Handling, Environment Adaptable     

Container design, easy for transportation

Integral hoisting, easy to install, reduce the installation cost and risks.     

Standard container enclose, integrated design for ventilation, sandproof, anti-corrosion and anti-low-temperature and other application requirements.   

* Advanced Technology, Grid-friendly   

Efficiency, energy-saving and reliability as with all Sungrow inverters     

Integrated with standard power dispatch interfaces, convenient and flexible access to power grid;

LVRT (Zero-voltage Ride-through), Reactive power control with power factor from 0.9 lagging to 0.9 leading, Give reactive power compensation to the grid at night according to directive

 

 

3. Photovoltaic Grid-Connected Inverter SG1000TS-MV Images

 

 

 

 

 

4. Photovoltaic Grid-Connected Inverter SG1000TS-MV Specification

Side Data

Max. DC power (@ cos φ =1)

1120kW

Max. input voltage

1000V

Start voltage

 500V

Min. working voltage

460V

Max. input current

2440A

MPPT voltage range 

460~850V

Number of DC inputs

16/32

Output Side Data

Rated power

1000kW

Max. output AC power

1100kVA

Max. output current

63.5A

Max. THD

<3%(at nominal power)

Rated grid voltage

10-24kV

Rated grid frequency

50Hz / 60Hz

Grid frequency range

47~52Hz / 57 ~62Hz

Power factor at rated power

>0.99

DC current injection

<0.5% of rated inverter output current

Adjustable displacement factor

0.9 (lagging) ~0.9 (leading)

Efficiency

Max. efficiency

98.00%

European efficiency

97.50%

Protection

DC input side disconnection device

Switch-disconnector with fuses

AC output side disconnection device

Switch-disconnector with fuses

DC overvoltage protection 

Yes

AC overvoltage protection on the LV side

Yes

Grid monitoring

Yes

Ground fault monitoring

Yes

Overheat protection

Yes

Insulation monitoring 

Yes

General Data

DimensionsW×H×D

6058x2591x2438mm

Weight

12T

Operating temperature range

-35~50

External auxiliary supply voltage (Opt.)

380V

Cooling concept

Temperature controlled air-cooling

Degree of protection

IP54

Max. permissible value for relative humidity (non-condensing)

0~95%, non -condensing

Max. altitude

6000m (derating > 3000m)

Communication port/protocols

Standard: RS485/ Modbus, Internet 

Options: CDT, DNP3.0, 101, 103, 104, GPRS/CDMA module

 

 

5. FAQ of Photovoltaic Grid-Connected Inverter SG1000TS-MV

Q1. What is the difference between inverter and solar inverter?

A1. Inverter only has AC inpput, but solar inverter both connect to AC input and solar panel, it saves more power.

 

Q2. What is the difference between MPPT&PWM?

A2. MPPT has higher efficiency, it can track the max power point and won't waste energy.

 

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Q:What is the PV inverter starting voltage
sine wave becomes narrower and the voltage width in the center of the sine wave is widened and the switching element is always operated in a direction at a certain frequency in a half cycle, A pulse wave train (pseudo sine wave). Then let the pulse wave form a sine wave through a simple filter
Q:After the PV inverter, how to achieve the same period before the network?
Solar panel simulator: with MPPT function, simulated morning, noon, afternoon, evening, rainy weather, solar panels produced under different conditions in different voltages.
Q:Photovoltaic grid-connected inverter without DC emc how will happen
When solar or other light illuminates the PN junction of the semiconductor, a voltage (called a photogenerated voltage) occurs on both sides of the PN junction. This phenomenon is the famous photovoltaic effect.
Q:How the output voltage of the PV inverter and the grid-connected voltage are determined
supply through the cable to the battery. The use of household appliances connected to the power converter output can be used in the car a variety of electrical appliances. The available electrical appliances are: mobile phones, laptops, digital cameras, cameras, lights, electric razors, CD players, game consoles, handheld computers, power tools, car refrigerators and various tourism, camping, medical emergency appliances Wait.
Q:What are the methods of photovoltaic grid-connected inverter control
Inverter main circuit need to have a control circuit to achieve, generally have square wave and sine wave two control methods, square wave output inverter power supply circuit is simple, low cost, but low efficiency, harmonic components. Sine wave output is the development trend of the inverter, with the development of microelectronics technology, there are PWM function of the microprocessor has also come out, so the sine wave output inverter technology has matured.
Q:Is the PV inverter a current source or a voltage source?
According to the waveform modulation method can be divided into square wave inverter, stepped wave inverter, sine wave inverter and modular three-phase inverter.
Q:The function of photovoltaic grid - connected inverter
By dc / dc conversion to increase or decrease the input voltage, adjust its output to achieve maximum efficiency.
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
, This method is simple to design, easy maintenance, but also for the power grid harmonics smaller, good power quality!
Q:Photovoltaic grid-connected inverter problem
Hello, the definition of the zero line is not caused by the transformer three-phase electric tail connection? I now do not understand why there is no isolation transformer AC output marked is N (zero line), and it is not the transformer three-phase power of the tail connection leads to, this is the zero line? The The

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