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:Three-phase photovoltaic inverter grid, the use of phase-locked loop is what?
In addition to the function of converting DC current into alternating current, the inverter also has the maximum output tracking function (MPPT), overvoltage protection, short circuit protection, island protection, overheat protection, overload protection and DC grounding
Q:After the PV inverter, how to achieve the same period before the network?
It can automatically detect the generator and the grid frequency and voltage, in the frequency, voltage, phase are in line with the requirements of the grid to set the time before the release of the closing signal, so that it can be safely and securely connected.
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: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:Solar grid inverter does not merge into the grid, direct access to the load to the load power supply?
The solar grid-connected inverter is not connected to the grid and can not be directly connected to the load to supply power to the load because there is no voltage.
Q:How the output voltage of the PV inverter and the grid-connected voltage are determined
supply through the cable to the battery. The use of household appliances connected to the power converter output can be used in the car a variety of electrical appliances. The available electrical appliances are: mobile phones, laptops, digital cameras, cameras, lights, electric razors, CD players, game consoles, handheld computers, power tools, car refrigerators and various tourism, camping, medical emergency appliances Wait.
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 will be directly sent to the power grid, so to track the frequency of the grid, phase, the equivalent of a current source. Of course, there are some inverters called low-voltage crossing ability, you can do PQ adjustment
Q:The working principle of photovoltaic grid - connected inverter
In the small-capacity inverter generally push-pull inverter circuit, full-bridge inverter circuit and high-frequency step-up inverter circuit three, push-pull circuit, the step-up transformer neutral plug connected to the positive power supply, two power Alternating current, the output to get AC power, due to the power transistor to ground, drive and control circuit is simple, and because the transformer has a certain leakage inductance, can limit the short circuit current, thus improving the reliability of the circuit. The disadvantage is the low utilization of the transformer, driving the emotional load is poor.
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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