conclusion these data show that the identified gene encoded tet resistance gene as mfs–type multi-substrate efflux transporter, which contributes to intrinsic resistance on range of structurally unrelated compounds in salmonella species. background tetracyclines (tcs) are a type of broad-spectrum bacteriostatic antibiotics used for treatment of a wide variety of infections. these antibiotics ev...

Seeking 100% renewable energy source (RES) penetration in low-inertia, isolated grids presents major challenges, including frequency control and stability. This is the case small island systems relying on variable RES pumped-hydro storage, where limited ramping capabilities of hydro turbines compromise their response. In this study, solutions are examined to allow operation such under condition...

Storage technologies are an increasingly crucial element in the continued expansion of renewable energy production. Micro-hydro storage using a pump as turbine is potentially promising solution certain cases, for example, extending existing photovoltaic systems (PV) and thus reducing grid load enabling economically beneficial self-consumption produced. This paper gives overview various operatin...

In the XFLEX HYDRO Vogelgrun demonstrator, a run-of-river hydropower plant, hybridization of one turbine-generator unit with battery energy storage system is being investigated. This paper describes integration methodology hybrid control algorithm without replacing existing speed governor unit. Furthermore, comparison performances non-hybrid and discussed, first experiences gained during operat...

Renewable energy resources have played an important role to meet increasing energy demand in the world. Among the renewable energy resources, especially, wind energy is of interest due to some advantages, such as being clean, environmental friendly etc. However, the intermittent nature of wind creates several problems to the power system operation and new approaches based on the combined use of...

This paper presents a hydraulic hybrid vehicle drive train to improve the fuel efficiency of a passenger car. The developed hydro-mechanical drive train enables independent control of the torque at each wheel. The motivation for developing this drive train is a hydraulic hybrid vehicle test bed for the Center for Compact and Efficient Fluid Power at the University of Minnesota. The hydro-mechan...

This paper describes the design and development of pico-hydro generation system using consuming water distributed to houses. Water flow in the domestic pipes has kinetic energy that potential to generate electricity for energy storage purposes in addition to the routine activities such as laundry, cook and bathe. The inherent water pressure and flow inside the pipe from utility’s main tank that...