Solar Pump VFD Controller Inverter with in-Built Precise MPPT
China Solar Pump VFD Controller Inverter with in-Built Precise MPPT, Find details about China Solar Inverter, Pure Sine Wave Inverter from Solar Pump VFD Controller Inverter with in-Built Precise MPPT
Dedicated Solar Pump Drives SLR01A Series
Brand: GTAKE
Certificate: CE, RoHS
| VFDs Model | Power Rating | Input Voltage | Output FREQ | Type |
| SLR01A series | 0.4-75kW | 150V~800V DC | 0.00-600.00Hz | DC/AC to AC inverters |
01 | Robust MPPT & Precise MPPT. |
02 | To meet the needs of different user groups, SLR01 are classified by three user modes: plug and play mode, senior mode, and expert mode. |
03 | Plug and play mode: Only requests correct wiring, motor parameter setting and sleep frequency setting. |
04 | Senor mode: Precise MPPT function, dry run protection, pump cleaning function, reduce pump clogging at dusk/rainy days. |
05 | Expert mode: Water level control, pipe system overpressure protection, flow calculation, multi-step water supply, pressure limit under solar power supply, constant speed mode under AC power supply. |
06 | Support both DC solar input and AC power input simutaneously. |
07 | Simplified commissioning; |
08 | Diverse input and output terminals; |
09 | Ambient temperature: -10°C~50°C; |
10 | Online and offline auto-tuning both available; |
| Mains Supply (R/L1,S/L2,T/L3) | |
| Supply voltage | 150-400VDC / 200-240VAC single phase; 250-800VDC / 380-480VAC triphase |
| Power source frequency | AC: 50/60 Hz ± 5% |
| Displacement power factor (cos φ) | (> 0.98) |
| Output Data (U, V, W) | |
| Output voltage / frequency | 0-100% of supply voltage / 0.00-600.00 Hz or customized |
| Ramp time | 0.01-60000 S |
| Digital Input | |
| Programmable digital inputs | 6 |
| Logic | NPN or PNP |
| Voltage level | 24V DC, 5mA |
| Pulse input | 1 (X6/DI) |
| Analog Input | |
| Analog inputs | 2 |
| Modes | Voltage or current |
| Level | 0 to +10V, -10V to +10V , 0/4 to 20 mA (scalable) |
| Automatic correction | YES |
| Digital Output | |
| Programmable digital outputs | 2 |
| Voltage level at digital output | 0 - 24 V |
| Programmable pulse outputs | 1 |
| Pulse output max. output frequency | 50.0 kHz |
| Analog Output | |
| Programmable analog outputs | 1 |
| Voltage range / current range | 0 - 10 V / 0 - 20 mA |
| Relay Output | |
| Programmable relay outputs | 1 |
| RA - RB / TA - TB | Normally close |
| RA - RC / TA - TC | Normally open |
| Contact capacitance | 250 V AC / 3A, 30 V DC / 3 A |
| Terminal 485 Interface | |
| 485+ / 485- | Rate: 4800/9600/19200/38400/57600/115200 bps Max. distance: 500 m |
| GND | Isolated from COM |
| Ambient | |
| Vibration | Less than 5.9 m/s² (0.6g) |
| Humidity | Relative humidity 5% - 95 %. No condensation |
| Corrosive environment | 3C3 |
| Ambient temperature | -10 ºC - 50 ºC |
| Altitude | 0 - 2,000 m |
| Rated output current derated 1% every 100 m above 1,000 m | |
| Storage temperature | -40 - +70 ºC |
| Efficiency | Efficiency At rated amps: 7.5kW and below: ≥93% 11 - 45 Kw: ≥95 % 55kW and above: ≥98 % |
| IP grade | IP20 |
| Cooling method | Forced air cooling |
| Fieldbus Communication | |
| Modbus RTU, Modebus ASCII | Built-in |
| Profibus DP, CAN, CANopen, etc. | Optional |
SLR01/02, solar water pump drives, support either PV panel DC input or grid AC input. These inverters can quickly capture and track the maximum power point according to the radiation intensity, and always maintain the maximum output power of the system in speed non-limited mode. Users are using these inverters in the regions which do not have wide coverage of grid electricity or where the availability of electricity is uncertain. Also, many people opt to use solar pump drives for the purpose of environmental protection, or to reduce the cost of operation such as replacing traditional diesel generators used for pumping water. 
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| Water treatment | Farm irrigation | Farming pool water supply | More |
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SLR01 cases in Morocco
The whole system includes 45 pieces of 300W PV panels, one 7.5kW motor and one SLR01-4T7.5B-G4 PV drive. Cloudy days can be detected automatically to prevent frequent start. In this way, the motor working life can be extended to the maximum extent. Besides, AC grid supply is also available when the sunlight is weak. In this mode, the function of constant pressure mode is available when X3 terminal is active. GTAKE has mastered more precise MPPT algorithm compared with many other brands. GTAKE PV drives for water pump are warmly welcomed and highly appraised by customers worldwide.
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In production, rigorous quality control is implemented on components, circuit boards, and the finished goods, assuring products without defects.
GTAKE VS Other brands
| Performance | Common brands | GTAKE |
| Applicable motors | Asynchronous motors | Asynchronous /synchronous motors (SLR02) |
| Acceleration time to MPPT | 20 s | 3 s |
| Robust MPPT | √ | √ |
| Precise MPP | × | √ |
| Ambient temperature (no derating required) | -10-40ºC | -10-50ºC (for most of the models) |
| AC constant speed mode | × | √ |
| AC constant pressure mode | × | √ |
| Pump auto-cleaning function | × | √ |
| Pipe system overpressure protection | × | √ |
| Pump clogging protection function | Extend delay time | Extend delay time / real-time monitoring |
| Dry run protection | Based on the current only | Based on various factors of the pump |
| Customized features (software and/or hardware) | Unprocurable or no experience | Procurable with rich experience |
Packaging and logistics
All drives are well packed before shipment, fit for air shipment, sea transportation, and express delivery. Customers are able to call its own nominated forwarder or consult GTAKE logistics department for worldwide shipment services.
* Low-power inverters are packed in cardboard box , and others are in plywood cases.
* Plenty of transportation procurable globally in accordance with customer demand or GTAKE expertise.
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