Photovoltaic Grid-Connected Inverter SG630MX-E Solar Inverter

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$30,000.00 - 40,000.00 / unit
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China Main Port
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10 unit
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1000 unit/month

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1. Structure of Photovoltaic Grid-Connected Inverter SG630MX-E 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, Australia and Europe.

  

2. Main Features of the Photovoltaic Grid-Connected Inverter SG630MX-E

• 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 Inverter SG630MX-E Images

 

4. Photovoltaic Grid-Connected Inverter SG630MX-E Specification

Input Side Data

Max. PV input power

713KW

Max. PV input voltage

1000V

Startup voltage

635V

Min. operation voltage

615V

Max. PV input current

1160A

MPP voltage range

615~850V

No. of DC inputs

8

Output Side Data

Nominal AC output power

630kVA

Max. AC output apparent power

700KVA

Max. AC output current

1010A

THD

< 3 %  (Nominal power)

Nominal AC voltage

400V

AC voltage range

320V~460V

Nominal grid frequency

50/60Hz

Grid frequency range

47~52/57~62Hz

Power factor

>0.99@default value at nominal power, (adj. 0.9 overexited ~0.9 underexited)

Isolated transformer

No

DC current injection

<0.5 %In

Efficiency

Max. efficiency

98.60%

Max. European efficiency

98.50%

Protection

Input side disconnection device

DC load switch

Output side disconnection device

AC load Switch

DC overvoltage protection

Yes

AC overvoltage protection

Yes

Grid monitoring

Yes

Ground fault monitoring

Yes

Over temperature protection

Yes

Insulation monitoring

Yes

Surge arrester for auxiliary supply

Yes

General Data

Dimensions(W×H×D)

1606×2304×860mm

Weight

1700kg

Operating ambient temperature range

-30~65℃(>55℃ derating)

Night power consumption

<100W

External auxiliary supply voltage

400V

Cooling method

Temperature controlled air-cooling

Ingress protection rating

IP21

Allowable relative humidity range

0~95% no condensing

Max. operating altitude

6000m (>3000m derating)

Fresh air consumption

4500 m3/h

Display

Colored touch screen

Communication

RS485/Modbus, Ethernet(Opt.)

 

5. FAQ of Photovoltaic Grid-Connected Inverter SG630MX-E

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
Photovoltaic inverter, also known as power regulator, according to the inverter in the use of photovoltaic power generation system can be divided into two kinds of independent power supply and grid. According to the waveform modulation method can be divided into square wave inverter, stepped wave inverter, sine wave inverter and modular three-phase inverter. For the inverter for the grid system, depending on whether the transformer can be divided into transformer-type inverter and transformer-free 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:Photovoltaic grid-connected inverter without DC emc how will happen
Solar photovoltaic power generation technology is the use of solar cells, the photovoltaic effect of semiconductor materials, solar radiation can be directly converted into a new type of power generation system, solar energy is a radiant energy, solar power means --- to direct conversion of sunlight Into electricity,
Q:Installation and maintenance of photovoltaic grid - connected inverter
, any failure that affects the safety performance of the inverter must be immediately removed before turning on the inverter again.
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:What is the difference between a PV inverter and a solar inverter?
Instability, the wind speed and the equipment itself will directly affect the generator rotation, so the voltage and current fluctuations, frequency instability, in short, is the power quality is poor) Therefore, through the inverter after the first rectification inverter to improve the quality of power
Q:Is the PV inverter a current source or a voltage source?
The inverter is mainly composed of a switching element such as a transistor, and turns the DC input into an AC output by repeatedly turning ON-OFF the switching element in a regular manner.
Q:Is the grid side of the grid and the inverter?
The grid load side of the grid is the grid. The inverter is an important part of the PV grid-connected system and can not be regarded as an external load. Photovoltaic power generation system is included in both grid and off-grid.
Q:What is the difference between low voltage grid connection and medium voltage grid connection?
When the power grid failure or disturbance caused by the power supply and network voltage drop, in the voltage drop range, the power group can be uninterrupted through the inverter and network operation.
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.

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