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3000 Watt Solar Inverter
# Parallel Function up to maximum 9 units : Enlarge More Loads .
# Communication option: External WIFI, Supervise at Any Time.
# Slim Body, Convenient Installation And Transportation, Cheaper Freight by Air,Sea and Land.
# PF1.0, High Efficiency, Lower consumption : Energy Conservation/Environmental Protection/Electricity Saving/Cost Saving.
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Product Introduction
Shenzhen Benwei Lighting Technology Co., Ltd. is one of the best manufacturers and suppliers of 3000 watt solar inverter in China. Welcome to buy durable products for sale here and get pricelist from our factory. All customized products are with high quality and competitive price.
3000 watt solar inverter
Feature:
# Parallel Function up to maximum 9 units : Enlarge More Loads .
# Communication option: External WIFI, Supervise at Any Time.
# Slim Body, Convenient Installation And Transportation, Cheaper Freight by Air,Sea and Land.
# PF1.0, High Efficiency, Lower consumption : Energy Conservation/Environmental Protection/Electricity Saving/Cost Saving.
# Support working without battery:Reduce solar system cost and save money.
# High precision of output voltage,±5%，take care of your appliances.
Product Parameters:
BWGA 3000 watt solar inverter | ||||
Model | GA3024ML | GA3024MH | GA5048MH | |
Input | Phase | L+N+PE | ||
Nominal Voltage | 208/220/230/240VAC | |||
Voltage Range | 154-264VAC±3V（Normal Mode) 185-264VAC±3V（UPS Mode） | |||
Frequency Range | 50Hz/60Hz(Adaptive) | |||
Output | Rated Power | 3000W | 3000W | 5000W |
Output Voltage(AC) | 208/220/230/240VAC±5% | |||
Output Frequency | 50/60Hz±0.1% | |||
Waveform | Pure sine wave | |||
Transfer Time( Optional) | 10ms for computer , 20ms for home appliances | |||
Peak power | 6000VA | 6000VA | 10000VA | |
Overload | Battery Mode： | |||
Peak efficiency (battery mode) | >94% | >94% | >94% | |
Battery | Rated voltage | 24Vdc | 24Vdc | 48Vdc |
Constant voltage charging voltage (Optional) | 28.2Vdc | 28.2Vdc | 56.4Vdc | |
Floating charge voltage (Optional) | 27Vdc | 27Vdc | 54Vdc | |
charger | PV charging method | MPPT | MPPT | MPPT |
PV max input power | 1500W | 3500W | 5500W | |
MPPT tracking range | 30~115Vdc | 120~430Vdc | 120~430Vdc | |
Max PV input voltage | 145Vdc | 450Vdc | 450Vdc | |
Max PV charging current | 60A | 60A | 80A | |
Max AC charging current | 60A | 60A | 80A | |
Max charging current | 120A | 60A | 80A | |
Display | LCD display | Operating mode/load/input/output, etc. | ||
Communication port | RS232 | 5PIN/Pitch2.0mm, baud rate 2400 | ||
Expansion & configuration port | 2×5PIN/Pitch2.54mm, lithium battery BMS communication card, | |||
Parallel interface | No | Yes | ||
Environmental parameters | Operating environment temperature | 0~40℃ | ||
Operating environment humidity | 20%~95%（Non condensing） | |||
Storage temperature | -15~60℃ | |||
Altitude | The altitude should not exceed 1000m, derating above 1000m, | |||
Noise | ≤50db | |||
Certifications | EN-IEC 60335-1, EN-IEC 60335-2-29, IEC 62109-1 | |||
How Many Batteries Is Needed For 3000 Watt Power Inverter
3000-watt power inverters are a very popular class of power inverters used during blackouts, emergencies, camping, for off-the-grid, medical and security systems, and similar.
Most 3000-watt power inverters are very simple to use, however, dimensioning required batteries or battery packs can cause some issues in terms of reliability and runtime.
3000 Watt Power Inverters Energy and Power Requirements
Power inverters are not ideal units and have a certain energy loss during energy conversion.
Good power inverters feature an energy efficiency of ~85%, although there are units with better energy efficiency - such units are usually more expensive ones.
Thus, if the power inverter features a continuous output power of 3000 Watts, the required battery power is:
PBat = PInv / Energy Efficiency % = 3000 Watt / 0.85 = 3530 Watts
Also, power inverters usually feature a surge output power that is ~2x larger than the continuous output power, thus requiring the battery to provide much more power for a very short time (usually just a few seconds):
PBat = PInt / Energy Efficiency % = 6000 Watt / 0.85 = 7060 Watts
Thus, if we want to power 3000 Watt power inverter that features energy efficiency of 85%, the battery (or battery pack) must be able to provide ~3600 watts continuously and ~7200 surge watts.
his solves power requirements. But, what about energy requirements?
Power inverters usually don't operate at full power all the time - if that is happening, then the power inverter is seriously underpowered.Energy requirements are usually given in the form of continuous power during a certain time, for example, 1000W for 3 hours.In that case, the energy that the battery must provide is calculated using these formulas:PBat = 1000 W / 0.85 = ~1200 WattEBat = PBat * T (h) = 1200 Watt * 3 hours = 3600 Wh = 3.6 kWh
Power inverters usually don't operate at full power all the time - if that is happening, then the power inverter is seriously underpowered.Energy requirements are usually given in the form of continuous power during a certain time, for example, 1000W for 3 hours.In that case, the energy that the battery must provide is calculated using these formulas:PBat = 1000 W / 0.85 = ~1200 WattEBat = PBat * T (h) = 1200 Watt * 3 hours = 3600 Wh = 3.6 kWh In this example, if we want to power a 3000 Watt power inverter with surge power of 6000 Watt and energy efficiency of 85%, we need a battery that is able to provide 3600 Watts continuously, 7200 surge Watts and that features an energy capacity of at least 3.6 kWh.
3000 Watt power inverters are usually 12V units, but there are also 3000 Watt power inverters that accept 24V, 36V, or even 48V.
Battery currents can be easily calculated:
IBatCont = P(W) / U(V) = 3600W / 12V = 300 Amps
IBatSurge = P(W) / U(V) = 7200W / 12V = 600 Amps
IBatAverage = P(W) / U(V) = 1200W / 12V = 100 Amps
Note: as one can see, when powering 3000W inverters using 12V batteries, currents are rather strong!
Battery actual capacity can be calculated using following formula:
Actual Capacity = Required Energy (Wh) / U(V) = 3600 Wh / 12V = 300 Ah
Actual Capacity vs. Nominal Capacity: nominal capacity of the battery is battery capacity measured when the battery is discharged for 20h. However, when the battery is discharged faster, especially lead-acid batteries, actual capacity decreases - 1h actual capacity can be as little as 50-70% of nominal (20h) capacity for lead-acid batteries.
Lithium deep discharge batteries are less sensitive to discharge current in terms of capacity loss, but if a certain current is reached, the built-in Battery Management System (BMS) disconnects the lithium battery to protect it from overcurrent discharge.
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