Solar Photovoltaic Grid-Connected Inverter SG60KTL

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1.  Structure of Solar Photovoltaic Grid-Connected Inverter SG60KTL Description

Suitable for 50Hz/60Hz grid, could be used in Asia, Africa and Europe. Available for hand installation, no need for lifting machinery assistance.

IP65;Integrated DC combine and surge protection function

TUV,CE,G59/3,BDEW,CGC,GB-T19964

 

2.  Main Features of the Solar Photovoltaic Grid-Connected Inverter SG60KTL

Flexible

Handy and light, easy to handle without lift machinery assistance, lower the cost of installation and maintenance.

Integrated DC combine and surge protection function, lower the system cost

DC arc detection function(optional),  further enhance the safety performance

Efficient

Max. Efficiency at 99%

Integrated string detection function, find mismatch panel in time and accurately

Integrated PV panel PID effect eliminate function( optional), decrease the loss of generation attenuation.

Grid-friendly

Fullfil a variety of reactive power adjustment requirments with power factor 0.8overexited ~0.8 underexited

Active power continuously adjustable (0~100%)

Integrated LVRT , HVRT  and night SVG function

Qualified

TÜV, CE, G59/3,  BDEW, CGC and GB-T19964 certification.

 

3.  Solar Photovoltaic Grid-Connected Inverter SG60KTL Images

 

 

 

4.  Solar Photovoltaic Grid-Connected Inverter SG60KTL Specification

Grid Type

230V/400Vac

Input Side Data

Max. PV input power

67500W

Max. PV input voltage

1000V

Startup voltage

620V

MPP voltage range

570~950V

MPP voltage range for nominal power

570~850V

No. of MPPTs

1

Max. number of PV strings per MPPT

12

Max. PV input current

120

Max. current for input connector

12A 

Output Side Data

Nominal AC output power

60000W

Max AC output powerPF=1

66000W

Max. AC output apparent power

66000VA

Max. AC output current

96A

Nominal AC voltage

3P+N+PE/3P+PE, 230/400Vac

AC voltage range

310~480Vac 

Nominal grid frequency

50Hz/60Hz

Grid frequency range

45~55Hz/55~ 65Hz

THD

< 3 %  (Nominal power)

DC current injection

<0.5 %In

Power factor

>0.99@default value at nominal power,(adj. 0.8overexcited ~0.8underexited)

Protection

Anti-islanding protection

Yes

LVRT

Yes

DC reverse connection protection

Yes

AC short circuit protection

Yes

Leakage current protection

Yes

DC switch

Yes

AC switch

Optional

DC fuse

Yes

PV String detection

Optional

ARC detection

Optional

DC Overvoltage protection

DC Type II DIN rail surge
arrester
40KA

AC Overvoltage protection

Optional AC Type II DIN
rail surge arrester
40KA

System Data

Max. efficiency

99.00%

Max. European efficiency

98.70%

Isolation method

Transformerless

Ingress protection rating

IP65

Night power consumption

<1W

Operating ambient temperature range

-25~60(>50 derating)

Allowable relative humidity range

0~100% 

Cooling method

Smart forced air cooling

Max. operating altitude

4000m (3000m derating) 

Display

Graphic LCD

Communication

RS485

DC connection type

MC4/Screw Clamp terminal

AC connection type

Screw Clamp terminal

Certification

VDE0126-1-1,EN62109-1,EN62109-2,G59/3,
BDEW,GB/T 19964, GB/T 29319 

Mechanical Data

DimensionsW×H×D

634×959×267mm

Mounting method

Wall bracket

Weight

55kg

*Specifications subject to change without notice.

5.  FAQ of Solar Photovoltaic Grid-Connected Inverter SG60KTL

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:Is the PV inverter a current source or a voltage source?
Photovoltaic inverter, also known as power regulator, according to the inverter in the use of photovoltaic power generation system can be divided into two kinds of independent power supply and grid.
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: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:Installation and maintenance of photovoltaic grid - connected inverter
Before making an electrical connection, be sure to use the opaque material to cover or disconnect the PV panel. Exposure to sunlight, photovoltaic arrays will produce dangerous voltages. All installation operations must be done only by qualified technicians.
Q:How the output voltage of the PV inverter and the grid-connected voltage are determined
DC voltage and AC side voltage does not matter, the general PV inverter AC output is 400V / N / PE. With no isolation transformer and output voltage does not matter, grid-connected inverter is the regulation of current, and network voltage depends on the grid voltage. And the grid before the inverter will detect the grid voltage, meet the conditions will be network.
Q:What is the difference between low voltage grid connection and medium voltage grid connection?
Have a low pressure through the function set, low pressure through the scope of the project requirements, grid and network requirements and the actual situation of the design), low voltage grid to pass the voltage range is less than the medium pressure, parameter settings are not sensitive and complex.
Q:What is the difference between a PV inverter and a solar inverter?
Instability, the wind speed and the equipment itself will directly affect the generator rotation, so the voltage and current fluctuations, frequency instability, in short, is the power quality is poor) Therefore, through the inverter after the first rectification inverter to improve the quality of power
Q:What is the difference between a PV grid-connected inverter and an off-grid inverter?
Offline generally need energy storage, not to send energy online. Power grid has no right to interfere.
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: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 grid inverter is a current source, the output voltage is basically the grid voltage, may be slightly raised.

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