Photovoltaic Grid-Connected Inverters SG630MX

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$22,000.00 - 24,750.00 / unit
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China Main Port
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TT or LC
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10 unit
Supply Capability:
1000 unit/month

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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

MODEL 

SG630MX-E

DC SIDE DATA 

Max. DC Voltage

1000Vdc

MPP Voltage Range

615~850Vdc

Max. DC Power

7130kWp

Max. Input Current 

1160A

AC SIDE DATA

Rated Output Power

630kW 

Rated Grid Voltage

400Vac

Grid Voltage Range

250~362Vac

Rated Grid Frequency

50Hz/60Hz

Grid Frequency Range

47~52Hz/57~62Hz

Output Current THD

<3% (at nominal power)

DC Current Injection

<0.5% of rated inverter output current

Power Factor

0.9(lagging)~0.9(leading)

SYSTEM 

Max. Efficiency 

98.6%

Euro Efficiency 

98.5%

Protection Degree 

IP21

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)

Display AND COMMUNICATIONS

Display

touch screen LCD

Standard Comm. Interfaces

RS485

Optional Comm. Interfaces

Ethernet

MECHANICAL DATA 

Dimensions(WxHxD) 

1606x2304x860mm

Net Weight

1700kg

 

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:Three-phase photovoltaic inverter grid, the use of phase-locked loop is what?
Grid-connected inverter can be operated locally through the LCD screen, or through remote monitoring with dedicated monitoring software.
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:PV grid-connected inverter and independent inverter in the control of what is the difference
PV grid-connected inverter in the grid before the inverter needs to determine the phase voltage phase frequency, the first phase-locked, in the grid and power generation.
Q:The working principle of photovoltaic grid - connected inverter
Full-bridge inverter circuit to overcome the shortcomings of the push-pull circuit, the power transistor to adjust the output pulse width, the output AC voltage RMS that changes. Since the circuit has a freewheeling circuit, even if the inductive load, the output voltage waveform will not be distorted. The disadvantage of this circuit is that the upper and lower arms of the power transistor are not common, so you must use a special drive circuit or use isolated power supply. In addition, in order to prevent the upper and lower arm co-conduction, must be designed to turn off after the conduction circuit, that must be set dead time, the circuit structure is more complex.
Q:Photovoltaic grid-connected inverter problem
The first zero line is the AC output. Any AC output of the inverter will have zero line, whether it is isolated or non-isolated. Isolation is the safety of high voltage inverters and regulators. 50KW above the inverter almost with the transformer.
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
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: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
Spontaneous use is a way of grid, that is issued to the electricity, mainly their own family or internal use, the excess part of the power to the grid
Q:What is the difference between a PV grid-connected inverter and an off-grid inverter?
Grid-connected inverter will be directly sent to the power grid, so to track the frequency of the grid, phase, the equivalent of a current source. Of course, there are some inverters called low-voltage crossing ability, you can do PQ adjustment
Q:PV grid-connected inverter can directly load it?
Converter is the AC voltage of the grid into a stable 12V DC output, and the inverter is the AC output of the 12V DC voltage into high-frequency high-voltage alternating current; two parts are also used with more pulse width

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