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How to choose a cost-effective photovoltaic inverter
How to choose a cost-effective photovoltaic inverter

PV inverter is a key component linking photovoltaic array and power grid. Its efficiency not only affects its own losses, but also affects the capacity selection and reasonable configuration of photovoltaic conversion devices and other equipment in the system. We mainly distinguish the quality of photovoltaic inverters from the following aspects:

  1. Installation scale

According to the scale of the power station, different types and capacities of inverters are selected. Large-scale ground power stations generally use centralized inverters; while small-scale rooftop power stations, industrial parks, or photovoltaic power generation systems in public facilities are not large-scale, generally string inverters or micro-inverters can be selected.

  1. Stability and reliability

In the cost structure of the photovoltaic system, the inverter only accounts for 11%, and the cost is not high. However, in the subsequent operation and maintenance, the after-sales problem of the inverter is about 50% of all after-sales problems. It can be seen that choosing a safe and important is a reliable inverter.

  1. Efficiency

Different brands of inverters have different efficiencies. Europe and the United States have the highest efficiency, while the European standard reaches 97.2%.

The efficiency of other domestic inverters is below 90%, the efficiency of Baykee's home used solar off-grid inverter system is >92%.The inverter efficiency also affects the price difference. The higher the efficiency, the more expensive the price. The efficiency of the inverter is very important. The higher the efficiency, the less power is wasted on the inverter, and the more power is used for electrical appliances.

  1. After-sales service and design service

Different brands of inverters on the market have set up differentiated after-sales and design services according to the requirements of the enterprise. However, generally speaking, the well-known inverters have relatively high quality of after-sales and design services. The overall operation of the equipment has important reuse.

  1. Load type

When choosing an inverter, you must first ensure sufficient rated capacity to meet the electrical power requirements under the maximum load. When the inverter uses multiple devices as the load, the selection of the inverter capacity should consider the possibility of several electrical devices working at the same time, that is, the "load simultaneous coefficient".

Baykee SI series household solar lithium battery energy storage system is a pure sine wave power frequency off-grid inverter, which adopts LCD liquid crystal display and supports high-definition touch screen display module. The whole system is composed of MPPT controller, inverter, lithium battery pack and PV panel. The inverter collects and processes the electric energy of the solar energy and converts it into the alternating current needed by the user for the load to use. It can be well applied to home or office equipments, such as: electric lights, TVs, electric fans, induction cookers, refrigerators, air conditioners, computers and other mixed loads.

Baykee SI series household off-grid inverters have passed 50℃ high temperature full load long-term aging test, generator test, air-conditioning load test, RCD load shock test, load fluctuation jump test, lithium battery compatibility test, vibration test, etc. SI series inverter protection grade IP20, military-grade design, up to 10 years of service life. Welcome to consult us.

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