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| Model | NKG-10K | NKG-15K | NKG-20K | NKG-30K | |
| Rated Power | 10000W | 15000W | 20000W | 30000W | |
| Battery | Battery Voltage | 192/220/240VDC | |||
| Voltage of Over Discharge Protection | 168/189/210VDC | ||||
| Restart Voltage After Low Battery | 216/243/270VDC | ||||
| MPPT Controller | Controller Types | With maximum power point tracking(MPPT) function controller | |||
| Rated Current | Solar1:50A Solar2:50A | ||||
| Current Limiting Protection | Solar1:52A Solar2:52A | ||||
| Rate Voltage | 192/220/240VDC | ||||
| Operating Voltage Range | 260~420VDC | ||||
| Charge Mode | Three stages:constant current(quick charge), constant pressure, floating charge | ||||
| Battery Type | Sealed lead-acid battery, colloidal lead-acid battery, open lead-acid battery (you can customize parameters to charge other types of batteries) | ||||
| PV Module Input Power | 192VDC:Solar 1,10KW/Solar 2,10KW / 220VDC:Solar 1,11.5KW/Solar 2,11.5KW / 240VDC:Solar 1,12.5KW;Solar 2,12.5KW | ||||
| Vmax-pv | <420VDC | ||||
| Vlow-pv | 240/250/270VDC | ||||
| Vstar-pv | 260/270/290VDC | ||||
| Vovet-pv | 425VDC | ||||
| Floating Charge Voltage (Lead Acid Battery) | 220.8/248.4/275VDC(Can be customized) | ||||
| Average Charging Voltage (Lead Acid Battery) | 232/261/290VDC(Can be customized) | ||||
| PV Module Utilization | ≤99.97% | ||||
| Machine Efficiency | ≥96.5% | ||||
| Output Regulation Accuracy | ≤41.5% | ||||
| Temperature Coefficient | ±0.02%/°C | ||||
| Protective Function | Input and output over-voltage protection,anti-reverse protection,short circuit protection,etc. | ||||
| Inverter | Input Voltage | 380VAC±15% | |||
| Input Frequency | 50/60Hz±5% | ||||
| Output Voltage | 220/380VAC±2% | ||||
| Output Frequency | 50/60Hz±1% | ||||
| Output Wave | Pure Sine Wave THD<4%(full load) | ||||
| Conversion Time | 1~3s | ||||
| Overload | 120%/20s>150%/100ms | ||||
| Efficiency | ≥90%(100% resistive load) | ||||
| Dynamic Load Voltage Transient | <±5%(0~100%) | ||||
| Defensive Function | Output short circuit,overvoltage,low voltage,low battery power protection | ||||
| Other | Operating Ambient Temperature | -10~40°C | |||
| Environment Relative Humidity | 20~90%(No Condensation) | ||||
| Product Size: LWH(mm) | 536*560*1015 | 635*586*1295 | |||
| Weight(KG) | 148 | 165 | 182 | 252 | |
| Model | NKG-10K | NKG-15K | NKG-20K | NKG-30K | |
| Rated Power | 10000W | 15000W | 20000W | 30000W | |
| Battery | Battery Voltage | 192/220/240VDC | |||
| Voltage of Over Discharge Protection | 168/189/210VDC | ||||
| Restart Voltage After Low Battery | 216/243/270VDC | ||||
| MPPT Controller | Controller Types | With maximum power point tracking(MPPT) function controller | |||
| Rated Current | Solar1:50A Solar2:50A | ||||
| Current Limiting Protection | Solar1:52A Solar2:52A | ||||
| Rate Voltage | 192/220/240VDC | ||||
| Operating Voltage Range | 260~420VDC | ||||
| Charge Mode | Three stages:constant current(quick charge), constant pressure, floating charge | ||||
| Battery Type | Sealed lead-acid battery, colloidal lead-acid battery, open lead-acid battery (you can customize parameters to charge other types of batteries) | ||||
| PV Module Input Power | 192VDC:Solar 1,10KW/Solar 2,10KW / 220VDC:Solar 1,11.5KW/Solar 2,11.5KW / 240VDC:Solar 1,12.5KW;Solar 2,12.5KW | ||||
| Vmax-pv | <420VDC | ||||
| Vlow-pv | 240/250/270VDC | ||||
| Vstar-pv | 260/270/290VDC | ||||
| Vovet-pv | 425VDC | ||||
| Floating Charge Voltage (Lead Acid Battery) | 220.8/248.4/275VDC(Can be customized) | ||||
| Average Charging Voltage (Lead Acid Battery) | 232/261/290VDC(Can be customized) | ||||
| PV Module Utilization | ≤99.97% | ||||
| Machine Efficiency | ≥96.5% | ||||
| Output Regulation Accuracy | ≤41.5% | ||||
| Temperature Coefficient | ±0.02%/°C | ||||
| Protective Function | Input and output over-voltage protection,anti-reverse protection,short circuit protection,etc. | ||||
| Inverter | Input Voltage | 380VAC±15% | |||
| Input Frequency | 50/60Hz±5% | ||||
| Output Voltage | 220/380VAC±2% | ||||
| Output Frequency | 50/60Hz±1% | ||||
| Output Wave | Pure Sine Wave THD<4%(full load) | ||||
| Conversion Time | 1~3s | ||||
| Overload | 120%/20s>150%/100ms | ||||
| Efficiency | ≥90%(100% resistive load) | ||||
| Dynamic Load Voltage Transient | <±5%(0~100%) | ||||
| Defensive Function | Output short circuit,overvoltage,low voltage,low battery power protection | ||||
| Other | Operating Ambient Temperature | -10~40°C | |||
| Environment Relative Humidity | 20~90%(No Condensation) | ||||
| Product Size: LWH(mm) | 536*560*1015 | 635*586*1295 | |||
| Weight(KG) | 148 | 165 | 182 | 252 | |
Product Description
The product is an intelligent inverter with built-in charge controller designed for large
photovoltaic power generations.
Its built-in controlier can realize charge management for a battery pack by multiple solar arrays
to improve charge efficiency and lite of the battery pack.
Thanks to the DSP control basek on SPWM high-frequency carier technology and IGBT power
device, it can control the output operation parameters accurately to provide a high quality and
reiable pure sine wave AC power supply for precision equipment.
It is widely applied to large solar power generation occasions inaluding families, schools, public
lighting, industrial and mining enterprises, frontier defense, sea islands,pasturingareas, ete.
FAQ:
Q1: What is your minimum quanlity order?
A: One set.
Q2: Are you trading company or manufacturer ?
A:We are a manufacturer in China. We have own factory in Foshan.
Q3: What is your term of payment?
A: 30% TT for deposit, balance before the shipping.
Q4: Can you accept the Alibaba trade insurance oder?
A:Yes, of course. We are happy to use Trade insurance to confirm the order on Alibaba.
Q5:Can you supply the sample?
A: Yes. we can supply the sample order for testing .
Q6: When you can delivery the goods?
A: Sample order 3-5 days ,mass order usually 15-25 days according to the quantity.
Q7: Is this instalation easy?
A: Yes , We will provide install drawing and user manual ,and you can make a video call to get technical support.
Q8: Can you customized it for us?
A: Yes ,we can customize the logo ,color ,size ...