Photovoltaic Grid-Connected Inverter SG100K3

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1. Structure of Photovoltaic Grid-Connected Inverter SG100K3 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 SG100K3

* Advanced Technology, Grid-friendly

• Optional low-voltage and zero-voltage ride through to cope with various grid conditions

• SVG function at night, response to grid directives around the clock

• Reactive power control with power factor from 0.9 lagging to 0.9 leading

 

* More Compact, Saving Space for PV Plant

• Power density enhanced 40%, one of the central inverters with highest power density in the PV industry

• Save installation spaces and lower the plant initial cost

• Front maintenance, able to install against the wall, convenient installation and maintenance, saving operation cost of the PV plant

 

* Efficient, More Yields

• Max. efficiency at 97.3% with transformer

• Efficient MPPT control strategy, improve power yields

• 28335 chips adopted, more accurate calculation, more power yields

 

* More Advantages 

• Perfect protection and fault alarm system, safe and reliable

• User-friendly dynamic graphics LCD

• Efficient PWM algorithm, low consumption of switch

• Operate without power derating at -25℃ - +55℃

• Reliable and continues operation in high altitude environment

• Auxiliary heater (opt.)

• CGC certification, compliance with BDEW

 

3. Photovoltaic Grid-Connected Inverter SG100K3 Images

 

 

4. Photovoltaic Grid-Connected Inverter SG100K3 Specification

Input Side Data

 

Max. PV input power

113KW

Max. PV input voltage

1000V

Set-up voltage

500V

Min. operation voltage

480V

Max. PV input current

236A

MPP voltage range

480~850V

No. of DC inputs

4

Output Side Data

 

Nominal AC output power

100KW

Max. AC output apparent power

110KVA

Max. AC output current

158A

THD

<3%(Nominal power)

Nominal AC voltage

400V

AC voltage range

310V~450V

Nominal grid frequency

50/60Hz

Grid frequency range

47~52Hz/57~62Hz

Power factor

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

Isolated transformer

Yes

DC current injection

<0.5 % In

Efficiency

 

Max. efficiency

97.30%

European efficiency

96.70%

Protection

 

Input side disconnection device

Breaker

Output side disconnection device

Breaker

DC overvoltage protection

Yes

AC overvoltage protection

Yes

Grid monitoring

Yes

Ground fault monitoring

Yes

Insulation monitoring

Yes

General Data

 

DimensionsW×H×D

806×1884×636mm

Weight

760kg

Operating ambient temperature range

-25~+55

Night power consumption

<40W

External auxiliary supply voltage

No

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

870m³/h

Display

LCD

Communication

RS485/Modbus, Ethernet(Opt.)

 

 

5. FAQ of Photovoltaic Grid-Connected Inverter SG100K3

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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