Mono Solar Panel

High efficiency inverter

2018-04-18 16:30:52

The inverter is a key component in the solar photovoltaic power generation system. Therefore, the inverter has high requirements. When selecting the inverter, it is necessary to pay attention to whether the technical specifications meet the requirements of the system design. General focus on the following several technical indicators.


You may need to notice the following factors of inverter:


1. Capacity

Generally, according to the requirements of the system, the inverters' capacity are configured. The capacity of the selected inverter should match the maximum power of the solar module array, generally the rated output power of the photovoltaic inverter is similar to the total input power capcity. This can save costs.


2. Key technical indicators

1) Select the appropriate input and output voltage range to ensure the optimal combination of products.

2) European efficiency of the inverter: Its level will directly affect the design cost and power generation efficiency of the photovoltaic power generation system.

3), solar cell square array maximum power tracking function (MPPT) and its efficiency.

4), should pay attention to the selected inverter should have basic protection functions, such as overcurrent / short circuit protection, over power protection, over temperature protection, lightning protection, island protection and other functions.

5) The output current waveform distortion ratio (THD%) of the inverter is less than 4%.


3. Certification standards

As the core equipment of the photovoltaic power station, in order to ensure the stability, reliability and continuous operation of the power station, the grid-connected inverter must have high reliability. It should have safety certification for sales destinations, electromagnetic compatibility certification, and national grid certification: (Europe as an example)

Safety regulations: EN62109-1, EN62109-2

Electromagnetic Compatibility: EN61000-6-1, EN61000-6-2, EN61000-6-3, EN61000-6-4

On-grid certification: VDE0126-1-1 (Germany)


4. Brand and service

Last one but most important,

Because a company with a good brand image usually has a large investment in technology and maintenance services, it can meet its commitment to customers.



Flexible
Dual MPPT, compatible with different residential rooftop system
Max. input voltage 1500 V, compatible with different PV panel and string design

Intelligent
Intelligent Wi-Fi communication, flexible for various applications
Intelligent local access via the App, convenient to view the data any time
Intelligent cloud monitoring to enable the centralized operation, management and maintenance

Easy
Eg. Only 11 kg of 3 kW inverter, easy to handle and install
Easy replacement and transportation, reduce the trouble of service

Qualified
TÜV, CE,,UL, AS4777, VDE-AR-N-4105, KTC certifications
*Different certifications may conduct on diffrent model*




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