PLC controlled substation standby power form the input system
The application of the PLC programmable logic controller in the Siemens S7-200 backup power source. The analysis of the normal operation state of one of the devices as the starting conditions and blocking conditions for automatic backup power sources.
Подобные документы
Characteristic features of lasers operating in continuous-wave or quasi-CW regimes generate a restricted output optical power, which is limited by a maximum available pump power. Analysis Raman spectrum measured for the graphene-deposited fibre ferrule.
статья, добавлен 29.01.2016- 52. Peaceful atom
Consideration of the features of the energy of thermonuclear fusion. Study of the problems of nuclear power plants. The radiation hazard assessment. Devices designed to determine the level of radiation. The principle of operation of the Geiger counter.
статья, добавлен 20.02.2019 Transients in electrical power systems, short-time Fourier transform, wavelet transform, complex wavelets, wave spectrum, scalogram, frequency evaluation, phases and amplitudes of sinusoidal oscillations, evaluation accuracy and processing time.
статья, добавлен 08.05.2013- 54. Problems of protection during the massive penetration of renewable energy sources in power systems
Among the various sources of alternative energy, wind and solar are two prominent and promising alternatives for future electricity needs. These sources are integrated into distribution networks for local consumers. Adaptive retransmission schemes.
статья, добавлен 28.12.2020 Study of the operating principles of electrical and power circuits. Modeling of an electrical circuit using Matlab/Simulink capabilities. Study of the scheme of various connections, analysis of frequency and time characteristics of transient processes.
статья, добавлен 12.12.2024Traditional energy in power systems, agriculture is not a sector with great investment potential. Intensive development of information technologies, smart grids, control theory and operations research. The base of upgrading of the rural power industry.
статья, добавлен 19.02.2019Split-phase symmetrical motor drive on the base of two voltage source inverters, controlled by algorithms of synchronized pulse width modulation, has been investigated. Simulation results are presented for dual three-phase power conversion systems.
статья, добавлен 02.02.2019In microwave systems of radio-location, communication and navigation the strictest requirements are placed on a powerful output amplifier and a low-noise input device. For the output amplifier the linearity must be combined with a high level of power.
статья, добавлен 04.11.2018Main Objectives of the Project. Alternatives of future. Stages of the Project. Methods and Information Energy in everyday. Main Results of the Project. Dinamics of power engineering. Sectoral and National Critical Technologies for Priority Area.
презентация, добавлен 31.01.2015The overall frame and principal steps of complex numerical modelling of thermal processes in power boiler furnaces on pulverised coal with tangential disposition of the burners. The methodology for creation of three-dimensional models of boiler furnaces.
статья, добавлен 02.02.2019Development the constructive version of pump unit’s combined turbine drive. Use of wet non-separated steam as a working body. Twin-rotor combined turbine drive with a transmission for the nuclear power plant equipment emergency water supply system.
статья, добавлен 29.11.2016Possible directions to normalize the fuel and energy balance of Ukraine. Necessity of technical upgrade and modernization of allocated boiler installations, as well as reequipment and modernization of power plants industrial sites infrastructure.
статья, добавлен 29.11.2016- 63. Optimal control of mutual impact of electric grids for the reduction of their electric energy losses
Mathematical models and algorithms of determination of power losses in an inhomogeneous electric networks caused of their interaction. A way to reduce these losses by means of linear regulators that are installed in the electric networks of low voltage.
статья, добавлен 29.06.2016 Study of meso-level competition within the industry, which is a priority for national development. Providing households and enterprises with electricity as a critically important resource is a necessary condition for their uninterrupted functioning.
статья, добавлен 18.09.2024The results of a comprehensive analysis of the implementation of measures for energy saving and use of renewable energy sources in the Republic of Moldova using the MARKAL model. Determining the cost of work on the development of renewable energy sources.
статья, добавлен 02.02.2019An analysis over of character of the isodenses of conical charge products, got by mathematical design. Consideration of character of intermediate initiator using in a downhole charge as the truncated cone at his location in the ground part of hole.
статья, добавлен 29.10.2020The operation of the photoconversion system based on dual voltage inverters with synchronous intermittent modulation algorithms. Analysis of systems with two basic types of synchronous intermittent modulation and under different operating conditions.
статья, добавлен 02.02.2019Schemes at medium voltage supply condition of neutral wire connection conditions. Measures to reduce investment in low voltage networks. The supply of isolated monophase consumer at MV by ground return. Technical limits for using small power transformers.
статья, добавлен 02.02.2019Technologies for voltage control of self-excited induction generators. An approach for maximizing the power extracted from self-excited induction generators in specific applications without strict restrictions on the generated frequency and voltage.
статья, добавлен 24.06.2016Aimed at revealing of the draft mechanisms at the thermal power plants, which serve for continuous air supply to the boiler furnace. It is necessary for combustion process of fuel and removal of combustion products from the boiler into atmosphere.
статья, добавлен 25.11.2021- 71. Influence of low-frequency electromagnetic radiation on the complement system (experimental study)
Determination of the state of the complement system under conditions of exposure to low-frequency electromagnetic radiation on the body of rats under experimental conditions. Replace in membrane potential and disruption of nerve cell conduction.
статья, добавлен 12.05.2024 Analysis of progress of complexes of local emergency control automation. Hardware and software of modern complexes of ECA. Algorithms of emergency control automation. Digital input/output data used in systems of relay protected and ECA of power industry.
статья, добавлен 23.06.2013Determination of thermal conditions of vacuum-arc plasma sources cathodes. Investigation of the thermal field of a stationary cathode surfaces, the cathodes different geometry and heat flux. A period of time for cathodes with different types of cooling.
статья, добавлен 30.07.2016Perspectives of Cyclotron Wave Converter (CWC) of microwaves into DC are discussed in a form of short review. All main parts of CWC (microwave cavity, reverse region and collector) are analyzed. Existing experimental results are briefly described.
статья, добавлен 04.11.2018A method of a research of irregular multimode optical waveguides as nonlinear dynamic dissipative systems. The scattering of a controlled mode as a process of transition of a certain dynamic dissipative system from an "ordered" state to a "chaos" state.
статья, добавлен 07.11.2018