Photovoltaic Grid-Connected Inverter SG1000TS

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1. Structure of Photovoltaic Grid-Connected Inverter SG1000TS 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 grid, could be used in Asia, Australia and Europe.

 

 

2. Main Features of the Photovoltaic Grid-Connected Inverter SG1000TS

• 5 square meters area for megawatt-class equipment

• Transport and installation by forklift, more flexible and economical

 

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

• More flexible for inner devices overall replacement

 

• Efficient cooling patented design

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

• efficient heat insulation layer

 

 

3. Photovoltaic Grid-Connected Inverter SG1000TS Images

 

 

 

 

 

4. Photovoltaic Grid-Connected Inverter SG1000TS Specification

Input Side Data(DC)

Max. DC power (@ cos φ =1)

1120kW

Max. input voltage

1000V

Start voltage

 500V

Min. working voltage

460V

Max. input current

2440A

MPPT voltage range 

460~850V

Output Side Data(AC)

Rated power

1000kW

Max. output AC power

1100kVA

Max. output current

2016A

Max. THD

<3%(at nominal power)

Rated grid voltage

315V

Grid voltage range

252~362V 

Rated grid frequency

50Hz/60Hz

Grid frequency range

47~52Hz/57~62Hz

Power factor at rated power

>0.99

DC current injection

<0.5% of rated inverter output current

Adjustable displacement factor

0.9 (lagging) ~0.9 (leading)

Efficiency

Max. efficiency

98.70%

European efficiency

98.50%

Protection

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

2538X2470X2050mm

Weight

4200Kg

Operating temperature range

-35~50

External auxiliary supply voltage (Opt.)

380V

Cooling concept

Temperature controlled air-cooling

Degree of protection

IP54

Max. permissible value for relative humidity (non-condensing)

0~95%, non -condensing

Max. altitude

6000m ( >3000m derating)

Communication port/protocols

StandardRS485/ ModbusInternet

Options:  CDTDNP3.0101103104GPRS/CDMA module

 

 

 

5. FAQ of Photovoltaic Grid-Connected Inverter SG1000TS

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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Remaining: 4000 characters

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- Inquire about price/MOQ

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:After the PV inverter, how to achieve the same period before the network?
Grid simulator: analog power grid, normal and abnormal conditions, overvoltage, undervoltage, over frequency, under frequency, sudden power failure, etc.
Q:Installation and maintenance of photovoltaic grid - connected inverter
only when the local power sector permission by the professional and technical personnel to complete all the electrical connection before the inverter can be connected.
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?
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:What are the methods of photovoltaic grid-connected inverter control
and can set the dead time between the upper and lower arms, the use of INTEL 80C196MC to achieve sine wave output circuit, 80C196MC to complete the sine wave signal, AC output voltage, to achieve regulation. Circuit output generally use LC circuit filter high frequency wave, get pure sine wave.
Q:Is the grid side of the grid and the inverter?
Grid-type system power transmission sequence: photovoltaic panels> relays> inverters> relays> electricity load + power grid (both in parallel).
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: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: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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