Photovoltaic Grid-Connected Inverters SG630MX

Ref Price:
$22,000.00 - 24,750.00 / unit
Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
10 unit
Supply Capability:
1000 unit/month

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Product Description:

1.  Structure of Photovoltaic Grid-Connected Inverters SG630MX Description

SG630KTL is using low-frequency isolation transformer for protective purpose.

Its wider input voltage range ensures more combinations of the PV arrays.

Moreover, optical fiber isolation technology has been adopted to increase its anti-interference ability under the circumstances

of multiple inverters installation.

In addition, optimized circuit and structural design has improved system thermal efficiency which enhancing

system reliability and stability.

Reinforced protection functions, including the DC ground fault protection, make it the best product for large

scale PV power plant.


2.  Main Features of the Photovoltaic Grid-Connected Inverters SG630MX

• CE certification, CGC certification

• LVRT (Zero-voltage Ride-through)

• Active power continuously adjustable (0~100%)

• Reactive power control with power factor from 0.9 lagging to 0.9 leading

• DC input voltage up to 1000V

• Latest 32 bit DSP chip, advanced digital lock-in technique, more quickly and precisely

• -30℃~+55℃ continuously operating at rated power

• Continuously and stably working in high altitude environment

• Auxiliary heater (Optional)


3.  Photovoltaic Grid-Connected Inverters SG630MX Images




4.  Photovoltaic Grid-Connected Inverters SG630MX Specification




Max. DC Voltage


MPP Voltage Range


Max. DC Power


Max. Input Current 



Rated Output Power


Rated Grid Voltage


Grid Voltage Range


Rated Grid Frequency


Grid Frequency Range


Output Current THD

<3% (at nominal power)

DC Current Injection

<0.5% of rated inverter output current

Power Factor



Max. Efficiency 


Euro Efficiency 


Protection Degree 


Operating Temp. 

-30~+65°C(> 55°C derating)

Cooling Method 

Temperature controlled forced-air cooling

Relative Humidity

0~95%, non-condensing

Max. Working Altitude

6000m (operation with derating above 3000m)



touch screen LCD

Standard Comm. Interfaces


Optional Comm. Interfaces





Net Weight



5.  FAQ of Photovoltaic Grid-Connected Inverters SG630MX

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?
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: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:What is the difference between a grid-connected inverter and an off-grid inverter? What are the advantages of a hybrid 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:What is the difference between a PV grid-connected inverter and an off-grid inverter?
Grid-connected inverter does not need energy storage, but the energy can not be controlled, the number of photovoltaic sent to send online how much, simply do not want people to.
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: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:Solar grid inverter does not merge into the grid, direct access to the load to the load power supply?
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
Q:Photovoltaic grid-connected inverter without DC emc how will happen
light is obtained by the electrons of the semiconductor device, thus generating electrical energy. This energy conversion of light energy into energy, that is, solar cells. Solar cells, like transistors, are made of semiconductors. Its main material is silicon, and there are some other alloys. High-purity silicon used in the manufacture of solar cells is subject to special purification. Solar cells as long as the sun or light exposure,
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
Unless the power is not issued for their own use, is to be sent to other areas, it needs to boost, such as the western region of those large power stations
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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