Photovoltaic Grid-Connected Inverter SG500MX-M

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1. Structure of Photovoltaic Grid-Connected Inverter SG500MX-M 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, North America and Europe.

 

 

2. Main Features of the Photovoltaic Grid-Connected Inverter SG500MX-M

Advanced three-level circuit structure improves product's performance

4-MPPT, wide MPP voltage range

Modular design, long operation time

 

Film bus capacitors with long lifespan

Rotating the modules in use extends the inverter's lifespan

Inverter sleeping at night doubles the PCB lifespan

Elevated cooling performance and protection level ensures reliable operation

 

Less THD, more grid-friendly

Less common-mode interference, more environment-friendly

Compatible with two-winding transformer

Flexible setting of 1 to 4 MPPT

Reactive compensation on asymmetric power grid

Direct parallel connection at low voltage side, easy to expand the capacity

 

Comprehensive modular design

All components front-maintenance

Draw-type modules, service friendly design

 

Less THD, more grid-friendly

Less common-mode interference, more environment-friendly

Compatible with two-winding transformer

Flexible setting of 1 to 4 MPPT

Reactive compensation on asymmetric power grid

TÜV, CE, CGC certification, compliance with BDEW

 

 

3. Photovoltaic Grid-Connected Inverter SG500MX-M Images

 

 

 

 

 

4. Photovoltaic Grid-Connected Inverter SG500MX-M Specification

Input Side Data

 

Max. PV input power

560kW

Max. PV input voltage

1000V

Start voltage

520V

Min. operation voltage

480V

Max. PV input current

1064A

MPP voltage range

480~850V

No. of MPPTs

1, 2, 3, 4

No. of DC inputs

2 x 4

Output Side Data

 

Nominal AC output power

500kW

Max. AC output apparent power

550kVA

Max. AC output current

1018A

THD

<3%(Nominal power)

Nominal AC voltage

315V

AC voltage range

252~362V

Nominal grid frequency

50/60Hz

Grid frequency range

47~52 / 57~62Hz

Power factor

>0.99@default value at nominal power, adj. 0.9 overexcited~0.9 underexcited

Isolated transformer

No

DC current injection

<0.5 % In

Efficiency

 

Max. efficiency

98.80%

European efficiency

98.60%

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

Overheat protection

Yes

Insulation monitoring

Yes

General Data

 

DimensionsW×H×D

1606×2034×860mm

Weight

1400kg

Operating ambient temperature range

-30~+55

Night power consumption

<100W

External auxiliary supply voltage

220V, 8A

Cooling method

Temperature controlled aircooling

Ingress protection rating

IP21

Allowable relative humidity range

0~95% no condensing

Max. operating altitude

6000m(3000m derating)

Fresh air consumption

5575 m³/h

Display

Touch screen LCD

Communication

RS485/Modbus, Ethernet

 

5. FAQ of Photovoltaic Grid-Connected Inverter SG500MX-M

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: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:PV grid-connected inverter can directly load it?
Grid-connected inverter is usually equipped with island protection function, can only receive the power grid, if the load directly, the output is disconnected.
Q:Installation and maintenance of photovoltaic grid - connected inverter
photovoltaic systems Power generation system used in the cable must be connected firmly, good insulation and specifications appropriate.
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 small use of field-effect transistors while using a DSP conversion controller to improve the quality of the output power makes it very close to the sine wave current.
Q:Solar grid inverter does not merge into the grid, direct access to the load to the load power supply?
Which depends on the grid inverter in the absence of the grid there is no independent operation of the function of the general grid inverter is the current type, only responsible for the power to the grid, the voltage is maintained by the grid,
Q:How the output voltage of the PV inverter and the grid-connected voltage are determined
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. Widely used in air conditioning, home theater, electric wheel, power tools, sewing machines, DVD, VCD, computer, TV, washing machine, range hood, refrigerator, video recorders, massage, fan, lighting and so on. In foreign countries
Q:Is the PV inverter a current source or a voltage source?
Inverter is a kind of semiconductor device composed of power adjustment device, mainly used for DC power into AC power.
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: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.

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