Photovoltaic On-Grid Connected Inverter SG1000TS-M PV inverter

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1. Structure of Photovoltaic On-Grid Connected Inverter SG1000TS-M PV inverter 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 Europe, Middle East Asia, Southeast Asia and Australia.

 

2. Main Features of the Photovoltaic On-Grid Connected Inverter SG1000TS-M PV inverter

• 7 square meters area for megawatt-class equipment

• Transport and installation by forklift, more flexible and economical

• Open door design of four sides, easy for installation and maintenance

• More flexible for inner devices overall replacement

• Efficient cooling patented design of combination inline and ventilation

• Patented structure design of inlet and outlet, effective dust proof

• Thick and efficient heat insulation layer

• Advanced three-level circuit structure improves product performance

• 8-MPPT, wide MPP voltage range, Flexible setting of 2 /4/ 8 MPPT

• Comprehensive modular ,Draw-type design

 

3. Photovoltaic On-Grid Connected Inverter SG1000TS-M PV inverter Images

 

 

4. Photovoltaic On-Grid Connected Inverter SG1000TS-M PV inverter Specification

Input (DC)

 

Max. DC power (@ cos φ =1)

1120kW

Max. input voltage

1000V

Start voltage

 520V

Min. working voltage

 500V

Max. input current

 2280A

MPPT voltage range 

 500~850V

Number of MPPTs

 2, 4, 8

Number of DC inputs

 2 x 8

 

 

Output (AC)

 

Rated power

1000kW

Max. output AC power

1100kVA

Max. output current

2036A

THD

<3%(at nominal power)

Nominal AC voltage

315V

AC voltage range

252~362Vac

Nominal grid frequency

50Hz / 60Hz

Grid frequency range

47~52Hz / 57~ 62 Hz

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

 

DC disconnect device  

Switch-disconnector with  fuses

AC disconnect device

Switch-disconnector with  fuses

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

2991X2591X2438mm

Weight

Containing DC Distribution Cabinet: 5169kg, Not Containing DC Distribution Cabinet: 4834kg

Operating ambient temperature range

-35~+50

External auxiliary supply voltage

380V

Cooling method

Temperature controlled air-cooling

Ingress protection rating

IP54

Allowable relative humidity range

0~95%, non -condensing

Max. operating altitude

6000m (derating > 3000m)

Communication port/protocols

Standard: RS485/ Modbus, Internet  Options: CDT, DNP3.0, 101, 103, 104, GPRS/CDMA module

 

5. FAQ of Photovoltaic On-Grid Connected Inverter SG1000TS-M PV inverter

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: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.
Grid-connected inverter is generally used with large-scale photovoltaic power plant system, a lot of parallel PV string is connected to the same set of inverter DC input, the general power of the use of three-phase IGBT power module, power
Q:What is the difference between a PV inverter and a solar inverter?
The main component of the inverter is the three-phase bridge converter. The main purpose of the grid-connected inverter is to change the power to DC and change the AC power. The main purpose is to improve the power quality (because the wind power generation is very large
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: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: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:How the output voltage of the PV inverter and the grid-connected voltage are determined
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. The car inverter output through the cigarette lighter is 20W, 40W, 80W, 120W to 150W power specifications. And then a large number of power inverter power
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
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: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:Photovoltaic grid-connected inverter problem
But Baidu Encyclopedia clearly pointed out: the zero line is the secondary side of the transformer leads the neutral point of the line, and the phase line constitutes a circuit for power supply equipment.

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