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SNADI's single-phase inverter with built-in charge controller is a compact and efficient solution for residential and small commercial solar energy systems. Our inverter features a built-in charge controller for seamless integration with PV panels and batteries, and offers high power conversion efficiency for maximum energy production. With easy installation and user-friendly operation.
MAIN FEATURES
◆Pure sine wave 220VAC/230VAC
◆Built-in MPPT 100A
◆Lithium battery activation function Utility
◆Compatible work with LiFePO4 battery via RS485
◆Pure Sine Wave -Power factor 1.0
◆LCD real-time display of the device parameters, running state at a glance
◆Detachable dust cover for harsh environment
◆Low frequency(Built in Square transformer)
◆Support multiple output priority: SBU,SUB
◆Communication interface:RS232/RS485/Dry contact
◆EQ function to optimize battery performance and extend lifecycle
| Model | NKD-10KW | NKD-15KW | NKD-20KW | NKD-30KW | |
| Rated Power | 10KW | 15KW | 20KW | 30 KW | |
| Battery | Battery Voltage | 192VDC/220VDC/240VDC | |||
| Voltage of Over discharge protection | 168VDC/189VDC/210VDC | ||||
| Restart voltage after low battery | 216VDC/243VDC/270VDC | ||||
| MPPT Controller | Controller Types | With maximum power point tracking (MPPT) function controller | |||
| Rate Current | Solar1: 50A;Solar 2: 50A | ||||
| Current Limiting Protection | Solar1: 52A:Solar 2: 52A | ||||
| Rate Voltage | 192VDC/220VDC/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-acidbattery (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-py | 240VDC/250VDC/270VDC | ||||
| Vstar-pv | 260VDC/270VDC/290VDC | ||||
| Vovet-pv | 425VDC | ||||
| Floating Charge Votage (Lead Acid Battery) | 220.8VDC/248.4VDC/276VDC (Can be customized) | ||||
| Average charging Voltage (Lead Acid Battery) | 232VDC/261 VDC/290VDC(Can be customized) | ||||
| PV module utilization | ≤99.97% | ||||
| Machine Efficiency | ≥96.5% | ||||
| Output Regulation Accuracy | ≤±1.5% | ||||
| Temperature Coefficient | ±0.02%/°C | ||||
| Protective function | Input/output overvoltage protection,anti reverse protection,short circuit protection,over temperature protection,etc. | ||||
| Inverter | Input voltage | 380VAC±20% | |||
| Input Frequency | 50Hz/60Hz±5% | ||||
| Output Voltage | 220VAC±5% | ||||
| 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) | ||||
| Accuracy Of Load Transient Voltage | <±5% ( 0-100% ) | ||||
| Defensive function | -10-40°C | ||||
| Operating ambient temperature | Output short circuit, overvoltage, low voltage, low battery power protection | ||||
| Environment relative humidity | 20-90%(No Condensation) | ||||
| Product Size: L*W*H (mm) | 536*560*1015 | 635*566*1295 | |||
| Weight(Kg) | 148 | 165 | 182 | 252 | |