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)


Max. input voltage


Start voltage


Min. working voltage


Max. input current


MPPT voltage range 


Number of DC inputs


Output Side Data

Rated power


Max. output AC power


Max. output current


Max. THD

<3%(at nominal power)

Rated grid voltage


Rated grid frequency

50Hz / 60Hz

Grid frequency range

47~52Hz / 57 ~62Hz

Power factor at rated power


DC current injection

<0.5% of rated inverter output current

Adjustable displacement factor

0.9 (lagging) ~0.9 (leading)


Max. efficiency


European efficiency



DC input side disconnection device

Switch-disconnector with fuses

AC output side disconnection device

Switch-disconnector with fuses

DC overvoltage protection 


AC overvoltage protection on the LV side


Grid monitoring


Ground fault monitoring


Overheat protection


Insulation monitoring 


General Data





Operating temperature range


External auxiliary supply voltage (Opt.)


Cooling concept

Temperature controlled air-cooling

Degree of protection


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:Is the PV inverter a current source or a voltage source?
Inverter is a kind of semiconductor device composed of power adjustment device, mainly used for DC power into AC power.
Q:The working principle of photovoltaic grid - connected inverter
In the small-capacity inverter generally push-pull inverter circuit, full-bridge inverter circuit and high-frequency step-up inverter circuit three, push-pull circuit, the step-up transformer neutral plug connected to the positive power supply, two power Alternating current, the output to get AC power, due to the power transistor to ground, drive and control circuit is simple, and because the transformer has a certain leakage inductance, can limit the short circuit current, thus improving the reliability of the circuit. The disadvantage is the low utilization of the transformer, driving the emotional load is poor.
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 does not need energy storage, but the energy can not be controlled, how much light to send online to the number of online, simply do not want people to the grid does not like.
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:Installation and maintenance of photovoltaic grid - connected inverter
only when the local power sector permission by the professional and technical personnel to complete all the electrical connection before the inverter can be connected.
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: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: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 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: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?

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