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No. 1 Industry Road,Songshan lake SCI&TECH Industry Park,DongGuan,P.R.China523808 +8613925556445
Off-Grid Solar Inverter 10kVA - 120kVA (3:3)

Off-Grid Solar Inverter 10kVA - 120kVA (3:3)

This Off-Grid solar system is available in 10 kVA ~ 120 kVA models with DSP digital control technology, it is combined with pulse-width modulation (SVPWM), disturbance MPPT control and multi-level control technology to enable the system to track the maximum power of solar panels fast. Its secure power supply feature provides good quality powerwith regulated voltage and frequency to the loads, and it is featured with energy storage and staggering power consumption as well. It is an ideal inverter for medium-sized or large-scale residential, commercial and industrial PV applications which are off the grid, such as village, farm, factory, office building and islands etc.

Characteristics

  • High-speed DSP digital control
  • Full-bridge inverter control technology, providing secure power supply in the event of threephase 100% unbalanced loads
  • Multi-string PV connected
  • Inbuilt AC rectifier and MPPT control modules, configured battery parameters by operating interface, self-regulation for charging voltage and current
  • Hot-swap MPPT modules for easy maintenance and power expansion
  • Auto access MPP tracking states, be most probable to use PV energy in priority
  • Intelligent AC and PV complementation power supply function to extend the battery life.
  • Using multicore control technology and auto MPP trackers, auto-start AC rectifier enable PV and AC source to supply power to the loads at the same time in the event of insufficient PV, which reduces battery discharge times and extend the battery life.
  • Intelligent staggering power consumption function
  • Standard RS232, RS485 and optional SNMP communication port
  • Multiple remote control: startup, shutdown, abnormal clearance, EPO, battery test and remote alarm port
  • Staggering energy storage and power generation

Technical Specification

MODEL

10 kVA

20 kVA

30 kVA

40 kVA

60kVA

80 kVA

100 kVA

120 kVA

Rated power

9 kW

18 kW

27 kW

36 kW

54 kW

72 kW

90 kW

108 kW

Rated current

15 A

30 A

45 A

60 A

91 A

120 A

152 A

182 A

Output power factor

0.9

Rated input voltage

380 Vac ± 20%

Rated output voltage

380 Vac± 1%

Battery voltage

360 Vdc

Number of battery

12Vdc×30 pcs / 2 Vdc×180 pcs

Operating mode

AC and PV complementation

PV INPUT

Max. voltage (Voc)

750 Vdc

Optimum operating voltage (Vmp)

450 ~ 550 Vdc

Max. conversion efficiency

≥ 98%

Floating charge voltage (25℃)

414 Vdc ± 1%

Equalizing charge voltage (25℃)

428 Vdc ± 1%

MPPT Max. current

60 A

120 A

180 A

240 A

300 A

360 A

Max. PV power

25kW

2 × 25 kW

3 × 25 kW

4 ×25 kW

5× 25 kW

6× 25 kW

Number of PV input

1

2 + 1 (reserve)

3 + 1 (reserve)

4 + 2 (reserve)

5 +3 (reserve)

6 + 2 (reserve)

MPPT modules

1

2 + 1 (reserve)

3 + 1 (reserve)

4 + 2 (reserve)

5 + 3 (reserve)

6 + 2 (reserve)

AC RECTIFIER

Input voltage range

380 V ± 20% three-phase

Rated frequency

50 Hz / 60 Hz ± 5 Hz (settable)

Power factor

0.8

Floating charge voltage (25℃)

410 V ± 1%

Equalizing charge voltage (25℃)

415 V ± 1%

Max. charging current

12 A

25 A

38 A

50 A

75 A

167 A

208 A

250 A

INVERTER

Inverter voltage

380 Vac three-phase + N+PE

Phase voltage

220 / 230 / 240 Vac (settable)

Output voltage precision

± 1%

Transient voltage range

± 5%

Transient recovery time

20 ms

Rated frequency

50 Hz / 60 Hz ± 1 Hz (settable)

Frequency tracking range

50 Hz / 60 Hz ± 3 Hz

Peak factor

3 : 1

Waveform

Sinusoidal

Waveform distortion

≤ 3% (linear load)

Voltage unbalance

± 3% (100% unbalanced load)

Overload

≥ 105% ~ 110% for 1 h; ≥ 110% ~ 125% for 10 min;

≥ 125% ~ 150% for 1 min;

≥ 150% shut down in 10 s;

 ≥ 200% shut down immediately;

Shortcircuit

Current-limiting, shut down immediately until the user start up

Max. efficiency

≥ 90%

≥ 91%

≥ 92%

≥ 93%

BYPASS

Rated voltage

380 Vac three-phase + N+PE

Voltage range

± 20%

Rated frequency

50 Hz / 60 Hz ± 5 Hz

Max. current

19 A

38 A

57 A

76 A

114 A

152 A

190 A

228 A

BATTERIES MANAGEMENT

EOD voltage settings

1.58 Vdc ~ 1.83 Vdc (settable), 1.75 Vdc (default)

Staggering DOD (Depth of Discharge) settings

1.85 Vdc ~ 2.1 Vdc (settable), 1.89 Vdc (default)

Charging current settings

Factory default 0.15 C10; 0.07 ~ 0.3 C10(settable)

Battery management

Auto-transfer between equalizing charge and floating charge; Auto- temperature compensation of batteries

TRANSFER TIME

Inverter – Bypass

0 ms

Bypass – Inverter

0 ms

COMMUNICATIONS

Remote control

Inverter startup, shutdown, abnormal clearance, EPO, battery self-test

Communication interface

RS232, RS485, SNMP (optional)

Dry contacts output  

Bypass input abnormal, rectifier input abnormal, system fault, system alarm, low battery, output overload, fan fault, generator ON / OFF

OTHERS

Operating temperature

0℃~ 40℃

Max. relative humidity

90% (non-condensing)

Max. altitude

1000 m at rated power (derating 1% for each additional 100 m); Max. 4000 m

Noise level at 1 m

≤ 65 dB (varies with loads and temperature)

IP rating

IP20

Dimensions (W × D × H) (mm)

450 × 840 × 1100

600 × 700 × 1750

960 ×800 × 1700

Packaged dimensions (W×D×H) (mm)

530 × 920 × 1140

690 × 790 × 1850

1040×890 × 1750

Weight (kg)

230

245

380

430

515

760

800

860

                

 

  • All specifications subject to change without notice.