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:What is the PV inverter starting voltage
Inverter is a kind of semiconductor device composed of power adjustment device, mainly used for DC power into AC power. Generally consists of boost circuit and inverter bridge circuit. The boost circuit boosts the DC voltage of the solar cell to the DC voltage required for the inverter output control. The inverter bridge circuit converts the boosted DC voltage to the AC voltage of the common frequency. The inverter is mainly composed of a switching element such as a transistor, and turns the DC input into an AC output by repeatedly turning ON-OFF the switching element in a regular manner. Of course, it is not practical to simply output the inverter output waveforms from the on and off circuits
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: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:How the output voltage of the PV inverter and the grid-connected voltage are determined
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. Widely used in air conditioning, home theater, electric wheel, power tools, sewing machines, DVD, VCD, computer, TV, washing machine, range hood, refrigerator, video recorders, massage, fan, lighting and so on. In foreign countries
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:The function of photovoltaic grid - connected inverter
By dc / dc conversion to increase or decrease the input voltage, adjust its output to achieve maximum efficiency.
Q:Generally a large grid-connected photovoltaic power plant will have several inverters
, This method is simple to design, easy maintenance, but also for the power grid harmonics smaller, good power quality!
Q:Photovoltaic grid-connected inverter problem
The first zero line is the AC output. Any AC output of the inverter will have zero line, whether it is isolated or non-isolated. Isolation is the safety of high voltage inverters and regulators. 50KW above the inverter almost with the transformer.
Q:The working principle of photovoltaic grid - connected inverter
Inverter will be converted into alternating current DC, if the DC voltage is low, then through the AC transformer boost, that is, the standard AC voltage and frequency. For large-capacity inverter, because the DC bus voltage is high, AC output generally does not require transformer boost that can reach 220V, in the small and medium capacity of the inverter, because the DC voltage is low, such as 12V, 24V, It is necessary to design a boost circuit.
Q:What is the difference between a grid-connected inverter and an off-grid inverter? What are the advantages of a hybrid inverter?
Hybrid inverter is not a clear concept, but now both energy storage dual-grid inverter does have the ability to receive control system,

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