JNTECH RENEWABLE ENERGY CO.,LTD
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Jntech hybrid off grid dc to ac pure sine wave power inverter 220V for off grid inverter 3 phase system
The system is composed of PV module, Solar Off grid inverter, MPPT charge controller and Battery pack. Solar Off grid inverter is core device of PV power sysem, it converts DC power produced by solar panels to AC power to provide electric energy for applications. MPPT charge controller charge the solar electricity into batteries. When solar energy is not enough for loads, or at night, the battery pack will be discharge to replenish energy for loads.
| Subject/mode | JNF3KLF24V-V2 | JNF3KLF48V-V2 | JNF4KLF48V-V2 | JNF5KLF48V-V2 |
| PV input | ||||
| PV max. input dc voltage | 150Vdc | |||
| Recommended PV Capacity | 3500W | 5000W | 7000W | 7000W |
| MPPT range | 35~145Vdc | 65~145Vdc | 65~145Vdc | 65~145Vdc |
| Storage battery | ||||
| Rated voltage | 24Vdc | 48Vdc | 48Vdc | 48Vdc |
| Max. charging current | 80A | 60A | 80A | 80A |
| Charging efficiency | ≥97% | |||
| Battery type | Gel/lithium | |||
| Inverter output | ||||
| Rated output capacity | 3000VA | 3000VA | 4000VA | 5000VA |
| Rated output power (linear load) | 3000W | 3000W | 4000W | 5000W |
| Output voltage | 220Vac | 220Vac | 220Vac | 220Vac |
| Rated frequency | 50/60Hz (±3%) | |||
| Standby loss | ≤10W | |||
| Max. efficiency | 93% | |||
| Output waveform | Pure sine wave | |||
| THD | <3% | |||
| Rated current | 13.5A | 13.5A | 18A | 22.5A |
| Peak current factor | 3:1 | |||
| Overload | 125%@rated power, 70s;150%@rated ,20s; 200%@rated ,5s;over 300%@rated,0s. | |||
| Grid input | ||||
| Grid input voltage | 230Vac±20% | |||
| Grip input frequency | 50/60Hz (±3%) | |||
| Max. charging current | 30A | 40A | 40A | 40A |
| Power grid bypass | ||||
| Allowed input voltage | 230Vac±20% | 230Vac±20% | 230Vac±20% | 230Vac±20% |
| Switching time | <10ms | |||
| Machine parameters | ||||
| Dimension(W/H/D) | 440mm*370mm*190mm | |||
| Weight | 28Kg | 28kg | 30kg | 33kg |
| Others parameters | ||||
| Protection lever | IP20 | |||
| Noise | <60dB | |||
| Cooling method | Forced air cooling | |||
| Working temperature | -20～+50℃ | |||
| Storage temperature | -25～+70℃ | |||
| Status indicator | LCD+LED | |||
| Interface | RS485/CAN (Optional) | |||
| Altitude height | 2000m(>2000m derating) | |||
2. Why JNTECH hybrid off grid solar inverter
Safety:
1. Overload and short circuit all kinds of protection;
2. Compatible to grid or generator power with AC charger.
3. Auto restart while AC is recovering;
Intelligent:
1. Advanced battery management system (BMS);
2. Special AC output design, adopt emergency & heavy loads.
3. Support sealed battery and lithium battery with BMS;
Reliable:
1. Silicon-controlled rectifier be adoped in AC by-pass;
2. Built-in pure copper transformer for perfect overload protection;
3. Provide power supply to load for 24 hours with by pass and AC charger.
Smart:
1. Perfect pure sine wave output;
2. Select charging current;
3. Configurable AC/DC input priority by LCD setting.
