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Help CenterSolar Pump Inverter for Solar Pumping System With Pump and Power Matched Solar Array and an Inverter
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Specifications
solar pump inverter for solar pumping system with pump and power matched solar array and an inverterSolar Pumping System can be applied to daily use (ground water), agricultural irrigation, forestry irrigation, desert control, pasture animal husbandry, water supply for islands, wastewater treatment engineering, and so on. Solar Pumping System is dispensed with energy storing devices, and stores water instead of electricity. It improves the reliability of the device, at the same time, it lowers the construction and maintenance costs of the system dramatically.
In recent years, with the promotion of the utilization of new energy resources, Solar Pumping System is more and more used in municipal engineering, city centre squares, parks, tourist sites, resorts and hotels, the landscapes and fountain systems in the residential areas.
Optimization of Single Pump System
A single pump system consists of only one pump, a power -matched solar array and an inverter . The aim of optimization is to reduce the amount of PV modules as much as possible on the premise of filling the requirement of head and capacity. The rotational speed of pump is regulated according to the irradiation on the solar array, when the sunlight reaches its peak, the pump runs at the rated speed, and the output approaches the peak power of the solar array, when the sunlight is less abundant, the speed of pump varies bellow the range of the rated speed, when the speed as low as the capacity becomes zero, the system stops working. So, there are big differences between solar pumping systems and traditional pumping systems in system design, and the system should be optimized according to the requirements of head, capacity, and local conditions of sunlight.
Determine the optimal average daily operating time and the range of speed governing.
Choose the optimal head and capacity of the pump.
Determine the maximum power of PV modules, the best working voltage and method of connection.
Optimization of Multi-pump Systems:
There are several pumps in a multi-pump system. The pumps can be driven either by only one high-power inverter, or by several matching inverters. In the case of large capacity demand, the operation of the multi-pump system is more flexible. By switching solar arrays and pumps, all of the pumps run in MPPT mode when the sunlight is abundant, while some pumps will be shut down and all solar arrays supply power intensively for the rest running pumps when irradiation is weak. Based on the optimization of single pump system, the range of speed can be further optimized, and the system always works with high efficiency.
Solar Pump Inverter
Product Introduction:
Solar pumping inverter converts DC current from the solar array into AC current to drive the pump. With the function of MPPT (maximum power point tracking), it regulates the output frequency according to irradiation in real time to achieve the maximum power.
Product Features:
1. Adopting the proposed dynamic VI maximum power point tracking (MPPT) control method, Fast response and stable operation. Better than the conventional methods which may lead to the problems including poor tracking performances, unstable or even cause water hammer damaging when the irradiation on the array changes rapidly.
2. The system is dispensed with energy storing devices, and stores water instead of electricity. It improves the reliability of the device, at the same time, it lowers the construction and maintenance costs of the system dramatically.
3. Digital control. automatic operation and data acquisition/storage of 8 years, etc, 98% of conversion efficiency, and complete protection.
4. In-line blocks, user friendly, convenient for operating, perfect cooling and shielding.
Product Advantages:
1. To drive pumps equipped with 3-phase induction motors.
2. Optimized SPWM.
3. Various operation modes and MPPT algorithms are available.
4. Adjustable speed range of pump based on the actual situation of the system.
5. Available option of water-level detecting and control circuit.
6. Protection functions: lightning, over/low input voltage, over current and over load protection, etc.
7. Enclosure class: IP52.
8. Ambient temperature -10~+50C.
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