power supply systems comprised of power supplies, inverters for power supplies; electricity grids in the nature of apparatus and instruments for distributing electric current, for use by electric utilities; photovoltaic solar modules for production of electricity; photovoltaic installations, namely, photovoltaic cells and modules, photovoltaic inverters, photovoltaic systems that convert sunlight into electric and thermal energy; electrical transformers, generator transformers, distribution transformers, power transformers, regulating transformers, phase- shifting transformers, rectifier transformers; electrical coils, capacitors; accumulators; switching devices, namely, high-frequency switching power supplies, electrical switches; off-circuit tap changers for electrical power transformers, on-load tap changers for electrical power transformers; computers, computer hardware; computer software for actuating, controlling, monitoring and testing electric networks and electric installations and for securing and improving the energy quality of public, private, and industrial power supply systems; measuring equipment, namely, instruments for measuring temperature, pressure, voltage, amperage, wattage, electrical resistance, capacitance, electrical impedance; controlling equipment, namely, electrical controllers, electric control devices for energy management, electric control panels; monitoring equipment, namely, electronic devices for monitoring unwanted gas production and energy consumption; apparatus and instruments in the nature of installations, equipment and computer software for conducting, distributing, switching, converting, storing, and controlling of electric current, namely, electrical generators, power supply systems, electricity grids, photovoltaic solar modules, photovoltaic installations, electrical transformers, electrical coils, capacitors, accumulators, electrical switching devices, on-load tap changers, and electric sensors; installations and equipment, namely, electrical controllers, electrical sensors, monitoring devices, and computer software, all for influencing, operating, controlling, monitoring and checking of drives, electric motors, wind turbines, wind parks, electrical generators, and technical and electrical installations, equipment and devices in the nature of power supply systems, electricity grids, photovoltaic solar modules, photovoltaic installations, electrical transformers, electrical coils, capacitors, accumulators, electrical switching devices, on-load tap changers, off-circuit tap changers, and electric sensors; installations, equipment and computer software for ensuring and improving of the power quality of public, private and industrial power supply systems and electricity grids, namely, sensors for measuring electricity distribution, electrical controllers; installations, equipment and computer software for power factor correction by means of electrical coils and/or capacitors, and for uninterruptible power supply, namely, electric power converters, electrical power distribution panels, inverters for power supply; sensors for detecting and measuring temperature, filling level, flow, speed, acceleration, mechanical tension, deformation, bending, elongation, shear, torsion, pressure, moisture, surface waves, sound, vibrations, electromagnetic radiation, light, microwaves, electric current, electric voltage, electric energy, electric power, electric impedance, electric power factor, phase shift and dissolved gas analysis; computer hardware and computer software for evaluating and visualising of data, information and signals, and for controlling of industrial processes; structural component parts and component assemblies for the aforesaid goods