VFD500 Water pump inverter
VFD500 special inverters are developed for power supply of water pumps, based on the core control arithmetic of FR500 vector control inverters, combined with the control requirements of PV water pump application. The function of maximum power tracking, dormant at weak light, wake up at strong light, high water level dormant, under-load pre-warning and other control protection functions can ensure normal operation of water pumps according to the customers' requirements to switch to the grid power supply.
Application






Product features
- Compatible with both DC and AC inputs
- No batteries required
- Large water output
- Lightning protection, overvoltage, overcurrent and other protection systems
Product specification
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Maximum input DC voltage |
450VDC |
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Recommended Voc voltage range |
170~300VDC |
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Recommended MPPT voltage range |
140~240VDC |
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Start voltage range |
80~450VDC |
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Power grid or backup generator input |
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Input voltage AC |
Single-phase 110V (-15%~30%) |
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Output specifications |
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Rated output voltage, AC |
3PH 110V |
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Output frequency range |
0~600.00 Hz (default: 0~50.00 Hz) |
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Protect |
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Uilt-in protection function |
Lightning protection, overcurrent, overvoltage, output phase deficiency, underload, underload, undervoltage, short circuit, overheating, water pump dry rotation, etc. |
VFD310 series backpack water pump dedicated frequency converter
VFD310 backpack water pump inverter specially built for constant pressure water supply demand, with reliable special function of constant pressure water supply, to meet the needs of residential, commercial and industrial fields for stable water supply.
The water pump inverter adopts a waterproof design, with a protection grade of IP54, and can operate stably in a wet or water mist environment. Its installation method is also very convenient, which can be directly installed on the motor junction box, saving the installation space. In addition, the XC310 water pump frequency converter can be connected to a variety of sensor signals, real-time detection of water pressure changes, automatically adjust the water pump operation to maintain a constant water pressure. The standard RS485 communication interface supports multi-pump online operation, allowing the linkage of multiple pump systems, and dynamically adjusting the water supply when the demand changes, which is suitable for the efficient management of residential constant pressure water supply equipment and other water supply systems.

Product features
Support multi-pump online control, standby host automatic switching function, more intelligent.
- With high and low pressure, water shortage and anti-air rotation, rust and freezing and other protection functions, more reliable.
- The lp 54 high protection design, not afraid of all kinds of harsh application environment.
Product Specification
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Project |
Item Description |
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Import |
Rated voltage and frequency |
Single-phase 220V, 50Hz / 60Hz |
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Allowable voltage fluctuation range |
Single-phase voltage: 220V: 200~260V. |
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Output |
voltage |
220 volt level: 0~220V |
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frequency |
0Hz~400Hz |
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overload capacity |
120% rated current for 1 min |
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Control performance |
control method |
Optimal spatial voltage vector SVPWM constant voltage frequency ratio V / F control |
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Speed range |
1:100 |
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starting torque |
Low frequency up to 100% rated torque |
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velocity perturbation |
± 0.5% rated synchronous rotational speed |
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Frequency accuracy |
Number setting: maximum frequency X ± 0.01%; simulation setting: maximum frequency ± 0.5% |
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frequency resolution |
Simulation setting |
And 0.1% of the highest frequency |
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Digital setting accuracy |
0.01Hz |
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Run the function |
Run the command given to the channel |
Operation keyboard given, control terminal given, communication given. |
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Run the frequency given the channel |
Numbers given, analog given, and communication given. |
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Input output features |
Digital input channel |
A 2-way universal digital input channel |
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analog input channel |
1 channel analog input channel, optional 4 ~ 20 mA or 0~10V input. |
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Special plane function |
Fast flow limit |
Limit limit frequency converter flow, more reliable operation. |
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Single constant pressure water supply |
Back negative machine constant pressure water supply function, support PID operation, dormancy and awakening. |
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Online constant pressure water supply |
Support multi-machine network constant pressure water supply, through RS-485 bus communication, the maximum support for 1 host and 4 auxiliary online. |
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Special plane protection function |
High and low pressure detection alarm, water shortage detection alarm, rust and antifreeze function, etc |
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Function keyboard |
The keyboard display |
Can display the setting pressure, feedback pressure, output pressure, output voltage, output current and other parameters |
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Key lock |
Lock in some or all of the keys |
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Combine the key shortcut function |
Quick switch common range, quick switch motor direction, quick switch emergency water supply |
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Defencive function |
Overcurrent protection, overvoltage protection, undervoltage protection, overheat protection, overload protection, underload protection, terminal protection, etc |
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Levels of protection |
IP54 |
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Way to install |
backpack |
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VFD51 solar water pump frequency converter
VFD51 series pump inverter is designed to meet the application needs of solar pumps in harsh environmental conditions. This series of products supports a power range of 2.2kW to 11kW, has an IP65 protection level, and can operate stably in extreme weather, humid or dusty environments, ensuring long-term reliability and efficiency of the equipment. The XC51 series has an intelligent AC/DC switching function, which can automatically select the optimal power supply mode according to lighting conditions. During the daytime, the photovoltaic panel is used to supply power, and when the light is weak or no light, it switches to AC power supply to achieve all-weather operation and ensure the efficient operation of the pump in different environments. AC and DC power supplies can be connected at the same time, and the system intelligently complements each other, maximizing the use of solar energy and effectively solving the problem of load operation at night or in low light conditions.
application
VFD51 series pump inverter is an ideal choice for pump system applications. It is suitable for agricultural irrigation, sewage treatment, mine pumping and other fields, helping users improve energy efficiency and reduce operating costs.


Product Features
- Compatible with AC and DC, intelligent compensation of power supply mode, solving the problem of nighttime load operation
- All-metal structure, reliable performance, high-end appearance
- Supports multi-connection to meet high efficiency
Product Specidications
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Model |
VFDS51-2S2R2-E |
VFDS51-4T2R2-E |
VFDS51-4T004-E |
VFDS51-4T5R5-E |
VFDS51-4T7R5-E |
VFDS51-4T011-E |
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DC Input [DC] |
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Maximum input voltage [V] |
450 |
900 |
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starting voltage [V] |
100 |
220 |
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Minimum input voltage [V] |
70 |
200 |
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MPPT voltage range [V] |
200-400 |
400-750 |
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Optimum input operating voltage [V] |
330 |
560 |
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Number of DC input [MC4] |
1 |
2 |
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Boost function |
standard configuration |
/ |
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AC input [AC] |
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Input voltage range [V] |
Single-phase of 150-230 |
Three-phase 280-480 |
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Input frequency [Hz] |
50/60 |
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AC Output [AC] |
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Output power [kW] |
2.2 |
2.2 |
4 |
5.5 |
7.5 |
11 |
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Rated current [A] |
9.6 |
5.1 |
9 |
13 |
17 |
25 |
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Output voltage [V] |
Three-phase 0-220 |
Three phases of 0-380 |
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Output Frequency[Hz] |
0-50 / 60 |
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company introduction
Qingdao Vfd Oem Electric Co., Ltd. (referred to as "Xinchuang Drive") was founded in 2009. It focuses on automation, digitization and intelligence in the industrial field, and focuses on the core technologies of "information layer, control layer, drive layer, execution layer and sensor layer". It focuses on the research and development, production and sales of industrial automation control products, and is positioned to serve high-end equipment manufacturers. It is based on industrial automation control technology with independent intellectual property rights, and takes the rapid provision of personalized solutions to customers as its main business model. It continues to be committed to promoting industrial civilization with leading technology, and is a leader in the field of domestic industrial automation control. It has invested 20 million yuan in R&D and has more than 290 employees, including 78 R&D personnel specializing in core platform technology research, application technology research and product development.
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