Photovoltaic Grid-Connected Inverter SG630MX-E Solar Inverter

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$30,000.00 - 40,000.00 / unit
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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: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
Part of the distributed grid-connected projects, the basic are "spontaneous use, the power of the Internet," these do not need to boost, because the extra power is actually consumed by the surrounding electricity users, do not boost to a Level power grid;
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?
In foreign countries due to the higher penetration rate of the car to go out to work or travel can be connected with the inverter battery drive electrical and various tools work.
Q:What are the methods of photovoltaic grid-connected inverter control
The square wave output of the inverter using pulse width modulation integrated circuits, such as SG3525, TL494 and so on. Practice has proved that the use of SG3525 integrated circuits, and the use of power FET as a switching power components, to achieve high performance of the inverter, because the SG3525 has a direct drive power FET capability and has an internal reference source and operational amplifiers and Undervoltage protection, so its peripheral circuit is very simple.
Q:What is the difference between a PV grid-connected inverter and an off-grid 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:PV grid-connected inverter and independent inverter in the control of what is the difference
And you said that the independent inverter, said off-grid inverter it, this inverter can not access the mains, the components of the electricity through the off-grid inverter to the battery charge, the battery at night
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 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
by means of energy converters can be converted into electrical energy. The process of converting light energy directly into electrical energy is precisely the response to photovoltaic effects. Without the need for any other mechanical parts, the energy in
Q:What is the difference between low voltage grid connection and medium voltage grid connection?
For photovoltaic power plants when the power system accidents or disturbances caused by photovoltaic power plant grid voltage drop, in a certain voltage drop range and time interval, the photovoltaic power plant can ensure that non-off-line continuous operation.

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