Central inverter HC630KTM4 distributed photovoltaic power station

HC500KTM4 / HC630KTM4 PV Grid-connected Inverter are designed with external transformer and featured with wide input voltage range and high conversion efficiency. The unit is intended for indoor use and applicable for large-scale PV power plant.It allows parallel operation of multiple inverters, which simplifies design of power station. Meanwhile, it can make real-time monitoring through communication with computers.


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Description of this Central inverter HC630KTM4 distributed photovoltaic power station power inverter module

HC500KTM4 / HC630KTM4 PV Grid-connected inverter are designed with external transformer and featured with wide input voltage range and high conversion efficiency. The unit is intended for indoor use and applicable for large-scale PV power plant.It allows parallel operation of multiple inverters, which simplifies design of power station. Meanwhile, it can make real-time monitoring through communication with computers.

Characteristics:

● Maximum conversion efficiency up to 98.7% (w/o transformer)
● Effective IGBT module
● Wide DC input range for flexible configuration of PV array
● DSP + CPLD full-digital control technology,excellent protection, safety and reliability
● Advanced MPPTalgorithms
● Advanced anti-islanding technology
● Efficientthermal system design adapting toharshenvironment
● Multi-communication interfaces, easy to monitor
● ZVRT (Zero voltage ride through) function
● Active and reactive power regulation function (optional)
● Applicablefor large-scale power stationhaving centralized high-voltage gird-connecteddesign of multiple inverters(with external step-up transformer)
● TÜV, CE, CQC certified

Centralized inverters are generally used in large-scale power plants with uniform sunshine, desert stations, ground power stations, etc. The total power of the system is large, generally above MW.
The main advantages are:
Low number of inverters for easy management
inverter components are small and highly reliable
Low harmonic content, low DC component and high power quality
inverter has high integration, high power density and low cost
inverter has various protection functions and high safety of power station
Power factor adjustment function and low voltage ride-through function, good grid regulation

The main components used in the photovoltaic field: centralized reverse crossover scheme: photovoltaic module, DC cable, DC combiner box, DC cable, DC power distribution cabinet, DC power, centralized inverter, AC cable, double split box change.
Specific steps and maintenance intervals for maintenance matters:
Observe roughly whether the inverter is damaged or deformed once every 1 year.
Operation status: whether there is abnormal sound when the inverter is running; once every 1 year,
When the system is connected to the network, check the parameters, once every 1 year.
Check if the main device is normal, once every 1 year,
Check if the heating of the inverter casing is normal, and use a thermal imager to detect the heating of the system, once every 1 year.
Observe whether the incoming and outgoing winds are normal; once every 1 year,
Check the humidity and dust around the inverter, and whether all air filters function normally, once every 1 year.

 
Specification of this Central inverter HC630KTM4 distributed photovoltaic power station power inverter module
 

MODEL

HC500KTM4

HC630KTM4

DC SIDE

Max. power of PV arrays

560 KW

705KW

Max. open circuit voltage

of PV arrays

1000Vdc

 

Max. DC current

1220 A

1356A

Number of PV Inputs

8

10

MPPT voltage range

460~850Vdc

520~850Vdc

Start-up voltage

505Vdc

570Vdc

Min.operatingvoltage

460 Vdc

520 Vdc

MPPT efficiency

99.9%

99.9%

AC SIDE

Rated output power

500KW

630KW

Max. AC output power

550 KVA

693 KVA

Max. output current

1008 A

1111 A

Grid voltage

3 ~ 315Vac

3 ~ 360Vac

Grid voltagetolerance

252 ~ 362Vac (settable)

288 ~ 424Vac (settable)

THD

<3% (at rated power)

Power factor

> 0.99 (adjustable)

Grid frequency tolerance

45 ~ 55Hz / 55 ~ 65Hz

Output DC current component

< 0.5% (rated output current)

Grid monitoring

CGC / GF001:2009 standard for CN

EFFICIENCY

Max. Efficiency

98.7% (w/o transformer)

Europe efficiency

98.5% (w/o transformer)

PROTECTIONS

DC overvoltage protection:

Yes

DC reverse polarity protection

Yes

DC short-circuit protection

Yes

Insulation resistance detection

Yes

AC overvoltage protection

Yes

Grid monitoring

Yes

Ground fault detection

Yes

Over temperature protection

Yes

PID prevention&restoration

Optional

SVG function:Optional

Optional

Fault record:Optional

Yes

Sleep mode at night

Yes

Soft switching on/off

Yes

Automatic switching between internal and external power supply

Optional

GENERAL DATA

Standby consumption

< 100W

Self-consumption (at night)

< 30W

Communications

RS485 / Ethernet (optional) / GPRS (optional)

Display

Display

IP rating

IP20(indoor)

Cooling

Intelligent air cooling

Ambient temperature

-25℃~+ 65℃ (derating for above 55℃)

Relative humidity

0 ~ 95 % non-condensation

Noise

< 65 db

Dimensions(WxDxH) (mm)

1000x800x2200

Weight (kg)

800

 
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