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:In a photovoltaic grid-connected project, the role of the inverter is to convert the voltage into AC 220V or 380V for the grid, since the transformer will raise the voltage again
Self-use, do you mean off-grid system? Or else? Europe and Sweden side of the grid project electricity situation is also self-use? If not for their own use or spontaneous use is not used up, sent to other places electricity, you need a transformer?
Q:Installation and maintenance of photovoltaic grid - connected inverter
Before making an electrical connection, be sure to use the opaque material to cover or disconnect the PV panel. Exposure to sunlight, photovoltaic arrays will produce dangerous voltages. All installation operations must be done only by qualified technicians.
Q:The working principle of photovoltaic grid - connected inverter
Inverter will be converted into alternating current DC, if the DC voltage is low, then through the AC transformer boost, that is, the standard AC voltage and frequency. For large-capacity inverter, because the DC bus voltage is high, AC output generally does not require transformer boost that can reach 220V, in the small and medium capacity of the inverter, because the DC voltage is low, such as 12V, 24V, It is necessary to design a boost circuit.
Q:Solar grid inverter does not merge into the grid, direct access to the load to the load power supply?
The solar grid-connected inverter is not connected to the grid and can not be directly connected to the load to supply power to the load because there is no voltage.
Q:Three-phase photovoltaic inverter grid, the use of phase-locked loop is what?
Photovoltaic inverters for grid-connected photovoltaic power generation systems are primarily capable of receiving DC power from photovoltaic arrays and converting them into sine-wave currents of the same frequency and in phase with the access grid for powering the grid or local loads.
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
Q:Photovoltaic grid-connected inverter without DC emc how will happen
can convert light energy into electricity, so that the current flow from one side to the other, the general can be issued equivalent to 10 to 20% of the received light energy. In general, the stronger the light, the more electricity is generated. Its working principle is based on the semiconductor PN junction of the photovoltaic effect. The so-called photodynamic effect is when the object by the light, the object within the charge distribution of the state of the electromotive force and current generated an effect.
Q:Is the PV inverter a current source or a voltage source?
For the inverter for the grid system, depending on whether the transformer can be divided into transformer-type inverter and transformer-free inverter.
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 grid inverter is a current source, the output voltage is basically the grid voltage, may be slightly raised.
Q:Generally a large grid-connected photovoltaic power plant will have several inverters
Inverter, a single failure, does not affect other operations, the impact on the grid is small, high reliability.

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