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Solis seminar

Optimising Solar PV Power Supply Systems Alongside Oil Generators

Background In some areas of the world, the power grid can fail or shut down due to unstable supply or planned shutdowns via programs such as “load shedding” and can last an unknown amount of time. During this time, a standard grid connected solar PV system will also shut down. How can we ensure that […]

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Choosing the Correct Inverter for High Power M10 (182mm), G12 (210mm) PV Modules

Background Over the past few decades, mainly due to advances in technology and reduction in cost, the size of silicon wafers used in solar modules has evolved from an early stage 125mm to the current standard M6 (166mm), M10 (182mm) and G12 (210mm). What impact do these larger modules have on related equipment? What should […]

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Correct Use of Aluminum Core Cables in PV Systems

Grid transmission cables are usually aluminum core. Therefore, in the construction of PV plant projects in residential and commercial areas (especially household PV plant), many users will use aluminum core cables to directly interface with inverter output ports or circuit breakers ports. This can cause many safety problems. This Solis seminar will share the correct […]

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The Influence Of Salt Spray And High Humidity Environments On Solar PV systems

Background The working environment of a PV plant is relatively complex, and extreme environments such as high/low temperature, humidity, salt spray, heavy sand and other harsh environments, can test the reliability and environmental adaptability of the PV system. More and more PV plants are being built on water, desert, and in coastal areas. 2-3 years […]

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Extreme Events & O&M of Solar PV Plants

Background Extreme weather events, driven by climate change, can have huge risks for solar PV systems too. For investors, reassurance of ongoing financial security of their solar system is critical to securing initial investment. PV plants are installed outdoors and whilst generating electricity, they also endure the test of nature and all her elements. How […]

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PV Plant Safety. Inverter Power On and Power Off Operation

Background During the operation and maintenance of a solar PV plant, we often power off and power on the inverter, which is normally related to the safety of equipment and the personal safety of O&M personnel but is there anything specific we should look out for during what is seemingly a very simple process? In […]

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Frequently Asked Questions about the Export Power Manager (EPM) Solution

The Solis EPM accessory, as an energy control device, has an enormously powerful function. In addition to controlling the energy output of the PV system, it can also be used as a reactive power adjustment and power factor compensation device. During installation we hear common questions being asked so in this episode of Solis Seminar we’ve collated the most […]

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Saving Your Rooftop PV Plant From a Lighting Strike

Background Residential PV systems are generally installed on the rooftop of residential buildings, with a large metal surface area, higher distance from the ground and exposed location. That makes these PV systems a possible target for lightning during thunderstorms. Thus, having good lightning protection and grounding becomes key to avoid any incidents that could cause […]

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What To Do When Your Inverter Gives “G-PHASE” Alarm

Background In PV systems, there can be errors caused by problems on the grid side. As an important operating function of a solar PV system and the grid, inverters are very sensitive to grid problems and will respond quickly. Among them, grid imbalance faults, although rare, can easily affect inverters, PV systems and sometimes even […]

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