Off Grid Solar Inverter 300kW Three Phase for Microgrid and Energy Storage Power System

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Off Grid Solar Inverter 300kW Three Phase for Microgrid and Energy Storage Power System

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Product Description

Product introduction

Using IGBT from Mitsubishi company as the power components
Using American ATMEL company microprocessor as figure controller
Perfect protection and warning functions
Circuit frame compact, Max. Efficiency ≥ 90%
With wide input voltage range
RS232/485/WIFI/GPRS communication
Touch screen English LCD, perfect display, interface-friendly

Touch screen display

Product parameter

Technical parameters of three-phase off-grid inverter 10KW

Type		NB48-10KSZ	NB96-10KSZ	NB120-10KSZ	NB240-10KSZ
DC input	Input rated voltage	48 VDC	96 VDC	120 VDC	240 VDC
	Input rated current	231 A	116 A	93 A	46 A
	Input DC voltage range	40-62 VDC	80-124 VDC	100-155 VDC	200-310 VDC
AC Input (AC bypass)	Allow input voltage range	220 VAC / 380 VAC / 400 VAC ± 15% VAC
	Input rated current	28A / 15A / 14.5A
	Bypass transfer time	≤ 40ms (Can be customized ≤ 4ms version)
AC output	Output rated power	10KW
	Output rated voltage and frequency	220 VAC / 380 VAC / 400 VAC, 50Hz / 60Hz
	Output rated current	28A / 15A / 14.5A
	Output voltage accuracy	220 VAC / 380 VAC / 400 VAC ± 1%
	Output frequency accuracy	50Hz / 60Hz ± 0.05%
	Wave Form	Pure sine wave (Isolation transformer)
	THD.	≤ 3% (Linear load)
	Power factor (PF)	1
	Overload capacity	120%, 5 minutes; 200%, 3 seconds
	Crest factor (CF)	3:1
	Inverter efficiency	> 94%
Working Environment	Dielectric strength	1500VAC, 1 minute
	Noise (1m)	≤ 50dB
	Ambient temperature	-20℃ ~ +60℃
	Humidity	0~90%, No condensation
	Altitude	< 2000m (Higher than 2000m rated power should be reduced)
Protection function		Input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, thermal protection
Pure Sine Wave		Yes
Equipped with copper transformer		Yes
Communication mode		RS485, Wifi, GPRS, Ethernet (Modbus RTU protocol)
Solar Charger		Optional, available
AC Charger		Optional, available
Generator Port		Optional, available
Size(mm)		450×830×1100 mm
Weight(kg)		180 kg

Technical parameters of three-phase off-grid inverter 20KW

Type		NB48-20KSZ	NB96-20KSZ	NB120-20KSZ	NB240-20KSZ
DC input	Input rated voltage	48 VDC	96 VDC	120 VDC	240 VDC
	Input rated current	463 A	231 A	185 A	93 A
	Input DC voltage range	40-62 VDC	80-124 VDC	100-155 VDC	200-310 VDC
AC input (AC Bypass)	Allow input voltage range	220 VAC / 380 VAC / 400 VAC ± 15% VAC
	Input rated current	55.5A / 30A / 29A
	Bypass transfer time	≤ 100ms (Can be customized ≤ 4ms version)
AC output	Output rated power	20KW
	Output rated voltage and frequency	220 VAC / 380 VAC / 400 VAC, 50Hz / 60Hz
	Output rated current	55.5A / 30A / 29A
	Output voltage accuracy	220 VAC / 380 VAC / 400 VAC ± 2%
	Output frequency accuracy	50Hz / 60Hz ± 0.05%
	Waveform distortion (THD).	≤ 3% (Linear load)
	Dynamic response time (Load 0↔100%)	2ms
	Power factor (PF)	1
	Overload capacity	120%, 5 minutes; 200%, 3 seconds
	Crest factor (CF)	3:1
	Inverter efficiency	94%
Working Environment	Dielectric strength	1500VAC, 1minute
	Noise (1m)	≤ 50dB
	Ambient temperature	-20℃ ~ +60℃
	Humidity	0~90%, No condensation
	Altitude	< 6000m (Higher than 2000m rated power should be reduced)
Protection function		Input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, thermal protection
Pure Sine Wave		Yes
Equipped with copper transformer		Yes
Communication mode		RS485, Wifi, GPRS, Ethernet (Modbus RTU protocol)
Solar Charger		Optional, available
AC Charger		Optional, available
Generator Port		Optional, available
Size(mm)		520×1160×1350 mm
Weight(kg)		280 kg

Technical parameters of three-phase off-grid inverter 30KW

Type		NB120-30KSZ	NB240-30KSZ	NB380-30KSZ
DC input	Input rated voltage	120 VDC	240 VDC	380 VDC
	Input rated current	278A	139 A	88 A
	Input DC voltage range	100-155 VDC	200-310 VDC	320-496 VDC
AC input (AC Bypass)	Allow input voltage range	220 VAC / 380 VAC / 400 VAC ± 15% VAC
	Input rated current	83A / 45.5A / 43.5 A
	Bypass transfer time	≤ 100ms (Can be customized ≤ 4ms version)
AC output	Output rated power	30KW
	Output rated voltage and frequency	220 VAC / 380 VAC / 400 VAC, 50Hz / 60Hz
	Output rated current	83A / 45.5A / 43.5 A
	Output voltage accuracy	220 VAC / 380 VAC / 400 VAC ± 1%
	Output frequency accuracy	50Hz / 60Hz ± 0.05%
	Waveform distortion (THD).	≤ 3% (Linear load)
	Dynamic response time (Load 0↔100%)	2ms
	Power factor (PF)	1
	Overload capacity	120%, 5 minutes; 200%, 3 seconds
	Crest factor (CF)	3:1
	Inverter efficiency	94%
Working Environment	Dielectric strength	1500VAC, 1minute
	Noise (1m)	≤ 50dB
	Ambient temperature	-20℃ ~ +60℃
	Humidity	0~90%, No condensation
	Altitude	< 2000m (Higher than 2000m rated power should be reduced)
Protection function		Input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, thermal protection
Pure Sine Wave		Yes
Equipped with copper transformer		Yes
Communication mode		RS485, Wifi, GPRS, Ethernet (Modbus RTU protocol)
Solar Charger		Optional, available
AC Charger		Optional, available
Generator Port		Optional, available
Size(mm)		660×1300×1600mm
Weight(kg)		360kg

Technical parameters of three-phase off-grid inverter 40KW

Type		NB220-40KSZ	NB240-40KSZ	NB380-40KSZ
DC input	Input rated voltage	220Vdc	240Vdc	380 VDC
	Input rated current	202 A	185 A	117 A
	Input DC voltage range	180-279 VDC	200-310 VDC	320-496 VDC
AC input (AC Bypass)	Allow input voltage range	220 VAC / 380 VAC / 400 VAC ± 15% VAC
	Input rated current	111.2A / 60.8A / 58A
	Bypass transfer time	≤ 100ms (Can be customized ≤ 4ms version)
AC output	Output rated power	40KW
	Output rated voltage and frequency	220 VAC / 380 VAC / 400 VAC, 50Hz / 60Hz
	Output rated current	111.2A / 60.8A / 58A
	Output voltage accuracy	220 VAC / 380 VAC / 400 VAC ± 1%
	Output frequency accuracy	50Hz / 60Hz ± 0.05%
	Waveform distortion (THD).	≤ 3% (Linear load)
	Dynamic response time (Load 0↔100%)	2ms
	Power factor (PF)	1
	Overload capacity	120%, 5 minutes; 200%, 3 seconds
	Crest factor (CF)	3:1
	Inverter efficiency	94%
Working Environment	Dielectric strength	1500VAC, 1minute
	Noise (1m)	≤ 50dB
	Ambient temperature	-20℃ ~ +60℃
	Humidity	0~90%, No condensation
	Altitude	< 6000m (Higher than 2000m rated power should be reduced)
Pure Sine Wave		Yes
Equipped with copper transformer		Yes
Communication mode		RS485, Wifi, GPRS, Ethernet (Modbus RTU protocol)
AC Charger		Optional
Solar Charger		Optional
Generator port		Optional
Protection function		Input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, thermal protection
Size(mm)		76014001600mm
Weight(kg)		550kg

Technical parameters of three-phase off-grid inverter 50KW

Type		NB480-50KSZ	NB380-50KSZ
DC input	Input rated voltage	480 VDC	380 VDC
	Input rated current	115 A	146 A
	Input DC voltage range	400-620 VDC	320-496VDC
AC input (AC Bypass)	Allow input voltage range	220 VAC / 380 VAC / 400 VAC ± 15% VAC
	Input rated current	139A / 76A / 72.5A
	Bypass transfer time	≤ 100ms (Can be customized ≤ 4ms version)
AC output	Output rated power	50KW
	Output rated voltage and frequency	220 VAC / 380 VAC / 400 VAC, 50Hz / 60Hz
	Output rated current	139A / 76A / 72.5A
	Output voltage accuracy	220 VAC / 380 VAC / 400 VAC ± 1%
	Output frequency accuracy	50Hz / 60Hz ± 0.05%
	Waveform distortion (THD). (Linear load)	≤ 3%
	Dynamic response time (Load 0↔100%)	2ms
	Power factor (PF)	1
	Overload capacity	120%, 5 minutes; 200%, 3 seconds
	Crest factor (CF)	3:1
	Inverter efficiency	94%
Working Environment	Dielectric strength	1500VAC, 1minute
	Noise (1m)	≤ 50dB
	Ambient temperature	-20℃ ~ +60℃
	Humidity	0~90%, No condensation
	Altitude	< 2000m (Higher than 2000m rated power should be reduced)
Pure Sine Wave		Yes
Equipped with copper transformer		Yes
Communication mode		RS485, Wifi, GPRS, Ethernet (Modbus RTU protocol)
AC Charger		Optional
Solar Charger		Optional
Generator port		Optional
Protection function		Input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, thermal protection
Size(mm)		66013001600mm
Weight(kg)		450kg

Product application scenario

Frequently Asked Questions (FAQ)

What core power components are used in these three-phase off-grid inverters?

The inverters employ high-performance IGBT power components from Mitsubishi company, paired with an American ATMEL company microprocessor figure controller to ensure reliable operation and precise control.

What types of communication modes do the inverters support?

These units support RS485, Wifi, GPRS, and Ethernet options running on the Modbus RTU protocol, facilitating seamless remote monitoring and systems integration.

Can these off-grid inverters support solar or AC charging?

Yes, solar chargers, AC chargers, and generator ports are optional features that can be customized and integrated into the setup as per your power scheme requirements.

What safety and protective functions do these units offer?

The inverters feature comprehensive built-in protection functions including input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, and thermal protection.

What is the efficiency rating and overload capacity of these inverters?

The inverters feature a highly compact circuit layout resulting in a maximum efficiency of 94%. They also support an overload capacity of 120% for 5 minutes and 200% for 3 seconds.

Are the units equipped with an isolation transformer?

Yes, the three-phase off-grid inverters feature a pure sine wave output equipped with a high-quality copper isolation transformer to ensure stable power quality.

Product Detail

Off Grid Solar Inverter 300kW Three Phase for Microgrid and Energy Storage Power System

Product Description

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Off Grid Solar Inverter 300kW Three Phase for Microgrid and Energy Storage Power System

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