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1.Solar power inverter requires high efficiency. Due to the high price of solar cells, in order to maximize the use of solar cells, improve system efficiency, we must try to improve the efficiency of the solar inverter.

2.Solar inverter requires high reliability. Solar power generation system is mainly used in remote areas, many power station unattended and no maintenance, which requires the inverter with a reasonable circuit structure, strict screening of components, and requires the solar system inverter with various protection functions, such as input DC reverse polarity protection, output short circuit protection, overheating protection, overload protection etc..

3.Solar inverter requires a wide range of DC input voltage. The solar battery terminal voltage varies with load and sunshine intensity, although the voltage of solar cell battery plays an important role, but because of the battery voltage fluctuate varies with the change of residual capacity and internal resistance of battery, especially when the battery aging, the change range of terminal voltage is very wide, such as 12V battery, the voltage can be the change in 10V ~ 16V, which requires the inverter must ensure the normal operation in a wide range of DC input voltage, and ensure the stability of output voltage.

4.In the middle and large capacity solar power system, the output of the inverter should be a sine wave with small distortion. This is because in the middle and large capacity system, if use square wave power supply, the output will contain many harmonic parts, which will produce additional losses. Many loads of the solar power system is a communication or instrumentation equipment, these devices have higher requirements on the quality of the power grid. In order to avoid the pollution of the power grid, the inverter output sine wave current is needed.

Learn more about SOROTEC SSP3118C off grid solar inverter specifications

1.Whether online interactive UPS in the normal city power supply, or power supply interruption, both power supply from the battery to the inverter, in the meantime, the power supply to the load is provided by the inverter of the UPS. This basically eliminates the impact of any voltage fluctuations and interference from the city power grid on the load, the realization of the load without interference voltage regulator. At present, the online interactive UPS on the market can achieve regulated power supply to the load, when the voltage range of 180 ~ 250V, the general output voltage stability can reach 220±6.6 V.

2.Online interactive UPS sine wave output waveform distortion coefficient is relatively small. At present, the distortion coefficient of the products sold in the market is less than 3%.

3.When the power supply interruption, the line interactive UPS system can achieve the real uninterrupted power supply to the load. UPS manufacturer found that it is because as long as the internal battery can supply power to the inverter, when the city power is interrupted, online interactive UPS supply power to the load by the inverter as normal. Therefore, the interruption of power supply or not, the UPS does not have any internal conversion action. Therefore, in the process of city power supply switch to the interruption, conversion time of UPS power supply to the load is zero.

4.Compared with the off line UPS, the online interactive UPS has excellent characteristics of output voltage transient. Generally, when the full load to no-load transformation, the output voltage range of 4%.

5.Online interactive UPS generally uses PWM pulse width modulation technology, so the noise is relatively small.

The main difference between low frequency online UPS and high frequency UPS is reflected in rectifier and transformer. Low frequency UPS rectifier uses SCR, the voltage stress is small and the current stress is high, the high frequency UPS mainly uses the IGBT device, the current stress is small, the voltage stress is big. SCR and IGBT are mature devices, as long as the application is properly, there is no difference in reliability. In fact, the inverter part of low frequency UPS is also used of IGBT, and therefore does not reduce the reliability of low frequency UPS, there is no evidence that the inverter is the weak link in the low-frequency UPS. Topologically, low frequency UPS use phase controlled rectifier and full bridge inverter, while high-frequency UPS use high frequency rectifier and half bridge inverter. These topologies are very commonly used in power electronics technology, there is no problem about who is more reliable in principle, its reliability depends on the level of design.

Shenzhen SORO Electronics Co., Ltd is a professional UPS and INVERTER manufacturer in the field of UPS power for over 10 years. We have two large production sites in Zhejiang and Shenzhen. SORO has been a leading enterprise in the UPS industry in China.

The solar MPPT charge controller, is the automatic control equipment which used in solar power generation system, control multiple solar array to charge the battery and the battery supply power for the solar inverter load. Almost all of the solar power systems that use battery power supply need a solar charging and discharging controller. The function of the MPPT solar charge controller is to adjust the power, from the solar panel to the battery. Battery overshoot, at least significantly reduced battery life, the worst damage to the battery is until it can not be used properly.

The basic function of the solar energy controller is to control the battery voltage and open the circuit, when the battery voltage rises to a certain extent, stop charging the battery. The old version of the solar MPPT controller mechanically to turn on or off the control circuit, stop or start the power delivered to the battery.

Solar controllers are used in most PV systems to protect the battery from overcharge or over discharge. Over charge may cause the electrolyte in the battery to vaporize and cause failure. Overcharge and over discharge may damage the load. Therefore, the solar controller is one of the core components of the solar power system, but also the main part of the balance system BOS (Balance of System).

India is a populous country, the power demand is great, while the power gap is also great, especially in summer. Last summer had been a serious power panic, nearly half of the country’s population interrupted power supply. Limited in the traditional energy supply, the development of solar photovoltaic industry is a good choice to solve the power supply situation.

The India government has paid more attention to solar power, this year the development of solar photovoltaic power generation business as part of its energy strategy task, has shown great enthusiasm from the government to the state of the development of solar energy. One after another public sector investment in the construction of solar power station, and last year, there are reports that New Delhi will install outdoor solar power system in subway station. So far, the country has more than 1000 megawatts of solar power, and plans to increase to 22 billion watts until 2022, which will be a very large system engineering. Therefore, it can be predicted that this will vigorously promote the India solar photovoltaic consumer market, and become one of the world’s major PV market.

At the same time, some states in India now have a lot of solar related manufacturing enterprises, but also are facing greater difficulties, which is a chance to SOROTEC. SOROTEC is a professional UPS and solar inverter manufacturer in the field of UPS power for over 10 years. We have two large production sites, and has been a leading enterprise in the UPS industry in China.

SPS3115C Series Outdoor Solar Power system (Outdoor solar power system,outdoor solar system,solar off grid system)