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:What are the methods of photovoltaic grid-connected inverter control
Sine wave output inverter control integrated circuits, sine wave output of the inverter, the control circuit can be used microprocessor control, such as INTEL company produced 80C196MC, Motorola produced MP16 and MI-CROCHIP company PIC16C73 and so on, these single-chip microcomputer has a multi-channel PWM generator,
Q:Grid-connected inverter is generally divided into photovoltaic power generation grid-connected inverter, wind power grid-connected inverter, power equipment and grid-connected inverter and other power generation equipment power generation inverter.
The grid inverter is a current source, the output voltage is basically the grid voltage, may be slightly raised.
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: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: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: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: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: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:Photovoltaic grid-connected inverter without DC emc how will happen
When solar or other light illuminates the PN junction of the semiconductor, a voltage (called a photogenerated voltage) occurs on both sides of the PN junction. This phenomenon is the famous photovoltaic effect.
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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