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Fangpusun Xtender series solar inverters, why can overload several times?

Fangpusun Xtender series solar inverters, why can overload several times?

2022-02-25

In the general household inverter and RV inverter, the output power of the inverter is determined by the load. Ordinary household appliances are mostly inductive load, such as air conditioning, refrigerator, microwave oven, etc., and the starting power is about 3-5 times the rated power, so the general family life electricity is loaded with special requirements, need an inverter for induction motor.

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As can be seen from the above two figures, the output power of Fangpusun Xtender series inverters with power frequency isolation technology can reach three times of rated power within 5S.  A Fangpusun2Kw Hybrid inverter(XTM/ psm2000-24) can drive a 1P air conditioner (starting power is about 5.5kva).  A Fangpusun3Kw Hybrid inverter(XTH/PSH3000-12) can drive a 3P air conditioner (starting power is about 7.5kVA). 


The Fangpusun inductive load inverter provides starting energy to the load, which needs to come from the battery, and the excess part is provided by the inverter itself (internal energy storage elements - capacitors and inductors).  



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Capacitors and inductors can be regarded as energy storage elements, the difference is that capacitors store electric energy in the form of electric field, the larger the capacity of the capacitor, the more energy stored.  Inductors store energy in the form of magnetic fields. The greater the permeability of the core of an inductor, the greater the inductance, and the more energy it can store.  

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Power frequency isolation transformer, refers to the frequency of power frequency (50HZ) transformer, transformer primary and secondary inductance, and the inverter inside the filter inductance, can store a certain amount of electric energy. When the inductor flows through a current, a new magnetic field is created as the current's magnetic field passes through the core. And this magnetic core magnetic field from nothing to the process, in fact, is the process of magnetic field storage inductance.

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Fangpusun Xtender series inverters are equipped with high quality capacitors, inductors and power frequency transformers. When a inductive load such as a motor is started, a very large current is needed for a short time, and these energies cannot be provided by the battery. If the lithium battery is overloaded for a short time, it will cause explosion. However, the capacitor, inductor, transformer in the inverter can store electricity, but also a short time to amplify several times the output without damage. Contact Fangpusun for inductive load inverter.



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