On grid inverter HC3KSI string inverter

The HC3KSI model PV inverter is suitable for small-scale photovoltaic power plants for household use and can be used in series (string inverter). Transformer-free design, high efficiency, easy installation, flexible operation, sturdy and durable.


details

Description of this On grid inverter HC3KSI string inverter
 
The HC3KSI power inverter module is suitable for small-scale photovoltaic power plants for household use and can be used in series (string inverter). Transformer-free design, high efficiency, easy installation, flexible operation, sturdy and durable.Its characteristics are:Compact and Robust
● Aluminum alloy die casting enclosure, permanently anti-rust
● IP 65, ensuring waterproof and dustproof during the 25-year service life
● Integrated streamlined case design with elegant appearance
● Light weight, only 11 kg for 5 kW inverter; dual-in-line wiring method, simplified one-person installation
● Industrial-grade high quality components, obtaining a 25-year design life
High Conversion Efficient, High Oveload capacity, More power Generation Benefit
● High conversion efficiency up to 97.8%
● Internal double boards design, without wiring terminal connection, low failure rate, ensuring long-term continuous power generation of the inverter
● Self-adaptive to the weak grid conservative mechanism, ride-through in harsh environment
● 600 V withstand voltage, 90 ~ 550 V wide MPPT range, supporting input over 30%
Easy Operation, Intelligent Monitoring, Running Cost Reduction
● Remote wireless transmission and cloud storage of power generation and operational data
● One-click APP configuration, real-time query via smart phone, convenient and efficient
● Support meter communication interface, more accurate power generation data, ensuring the profits
● Remote software upgrade, parameter setting and troubleshooting query, greatly reducing the cost of operation and maintenance
● Provided with the functions of grid remote power control, dry contact control, sound and light alarm
A photovoltaic grid-connected system is a device that converts the direct current generated by a solar panel into a sinusoidal alternating current to supply power to the grid, which is actually an active inverter system. The control goal of the photovoltaic grid connected inverter is to control the output current of the inverter circuit to be a stable high-quality sine wave, and the same frequency and phase as the grid voltage. Photovoltaic grid-connected system inverters are classified according to control methods and can be divided into voltage source voltage control, voltage source current control, current source voltage control and current source current control. The voltage source inverter uses a capacitor as an energy storage component, and a large capacitor connected in parallel on the DC input side is used as a reactive power buffer link to constitute a low impedance power supply internal resistance characteristic of the inverter, that is, a voltage source characteristic. Inverter with current source as input mode, the DC side needs to be connected in series with a large inductor as the reactive component to store reactive power, which constitutes the high-impedance current source characteristic of the inverter, and provides stable DC current input, but the serial input is large. Inductance often leads to poor dynamic response of the system. Therefore, most PV grid-connected inverters in the world use voltage source input as the main method.
 
Specification of this On grid inverter HC3KSI string inverter
 

MODEL

HC2KSI

HC2.5KSI

HC3KSI

INPUT

Max. input power

2600W

3250W

3900W

Max. input voltage

600V

Start-up voltage

120V

MPPT voltage range

90-550V

Rated input voltage

360V

MPPT voltage range at full load

200-480V

250-480V

300-480V

Max. input current

11A

Max short circuit current

12A

Number of MPPTS

1

OUTPUT

Max output power

2000W

2500W

3000W

Max. output current

8.7A

109A

13A

Rated grid-connected frequency

Single phase 230 Vac

Grid-connected voltage range

180-280Vac

Rated grid-connected frequency

50/60Hz

Grid-connected frequency range

45-55Hz/55-65Hz

THD

<3%(rated output power)

DC component

<0.5% x rated output current

Power factor

>0.99(rated output power)

Adjustable range of power factor

0.8 leading-0.8 lagging

EFFICIENCY

Max. conversion efficiency

97.8%

European efficiency

97.3%

OTHERS

 

 

Protection

Islanding protection Output short-circuit protection,Leakage current protection, DC reverse polarity protection,DC input impedance detection, DC switch

Operating temperature

-25℃~+60℃(>45℃ downgrading)

Relative humidity

0%-100%

Altitude

4000 m( 2000 m downgrading)

IP rating

IP 65

Cooling

Natural cooling

Display

LED indicators

Sell-consumption at night

<0.5W

Communication

RS485*2,Wi-Fi/Ethemet

Noise

<40 dB

Installation method

Wall-mounted

DC wiring terminal

MC4

AC wiring terminal

Plug and play

 

Certification standards

IEC/EN62109-1,IEC62109-2,AS/NZS 4777.2 2015,VDE 0126-1-1,VDE-AR-N-4105,VDE V 0124-100(GE),ENEL 2010 Ed. 2.1, CEI 0-21(ITA), G83, G59(UK). EN50438(NLD)

Packaged dimensions(W*D *H)(mm)

308X116.5X353

Packaged dimensions(W*D *H)(mm)

375X205X455

Net weight(kg)

8.0

Gross weight(kg)

9.5

 
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