METHOD OF ASSESSMENT in power three-phase transformer PARAMETERS OF SWITCHING Contact contactors high-speed REGULATOR LOAD WITHOUT ITS OPENING AND DEVICE FOR IMPLEMENTATION

摘要

1.method of evaluating process parameters u043fu0435u0440u0435u043au043bu044eu0447u0435u043du0438u00a0 contacts u043au043eu043du0442u0430u043au0442u043eu0440u0430 immediate (active u0441u043eu043fu0440u043eu0442u0438u0432u043bu0435u043du0438u00a0u043cu0438) u0440u0435u0433u0443u043bu00a0u0442u043eu0440u0430 under load (u0440u043fu043d) of tr u0435u0445u0444u0430u0437u043du043eu0433u043e transformer, comprising u043eu0441u0446u0438u043bu043bu043eu0433u0440u0430u0444u0438u0440u043eu0432u0430u043du0438u0435 current u043au043eu043du0442u0430u043au0442u043eu0440u0430 pattern excluding inductance winding of power transformer with the opening of the tank u0440u043fu043d and discharge of transformer oil u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 orderwhat u043eu0441u0446u0438u043bu043bu043eu0433u0440u0430u0444u0438u0440u043eu0432u0430u043du0438u0435 current contacts u043au043eu043du0442u0430u043au0442u043eu0440u0430 u0440u043fu043d u0432u044bu043fu043eu043bu043du00a0u0435u0442u0441u00a0 pattern consisting of inductance winding of the power transformer without the u0432u0441u043au0440u044bu0442u0438u00a0 tank u0440u043fu043d and sl salix transformer oil, followed by automatic analysis and evaluation u043eu0441u0446u0438u043bu043bu043eu0433u0440u0430u043cu043c parameters.;2. method for p.1, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0, parameters of contact u043au043eu043du0442u0430u043au0442u043eu0440u0430 rooms u0440u043fu043d u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442u0441u00a0 automatic method of breakdown current on u043fu00a0 digital window you are consistent in time intervals with ascending numbering and i interval corresponds to the time before the beginning of the contact u043au043eu043du0442u0430u043au0442u043eu0440u0430, ii) - pl yemeni u043fu0440u043eu0445u043eu0436u0434u0435u043du0438u00a0 current for active resistance to the first shoulder u043au043eu043du0442u0430u043au0442u043eu0440u0430,iii the interval time of active u0441u043eu043fu0440u043eu0442u0438u0432u043bu0435u043du0438u0439 parallel first and second shoulders u043au043eu043du0442u0430u043au0442u043eu0440u0430, iv interval - time u043fu0440u043eu0445u043eu0436u0434u0435u043du0438u00a0 current active u0441u043eu043fu0440u043eu0442u0438u0432u043bu0435u043d the second shoulder u043au043eu043du0442u0430u043au0442u043eu0440u0430 iue, v interval time after u043fu0435u0440u0435u043au043bu044eu0447u0435u043du0438u00a0 contacts u043au043eu043du0442u0430u043au0442u043eu0440u0430 and the line between i and ii intervals as the time since the beginning of u043eu043fu0440u0435u0434u0435u043bu00a0u0435u0442u0441u00a0 recession is the boundary between the iv and v intervals as u0432u0440u0435u043cu00a0,the minimum value of the current, in the u0432u0440u0435u043cu00a0 as a boundary section between the ii and iii, as well as between iii and iv intervals u043du0430u0445u043eu0434u00a0u0442 on current and the evaluation values on the curve u0441u0442u043eu00a0u043du043du043eu0439 time free u0441u043eu0441u0442u0430u0432u043bu00a0u044eu0449u0435u0439 transition in the rl model winding of three-phase transformer mathematical method on the program.;3.the device u0434u043bu00a0 evaluation process parameters u043fu0435u0440u0435u043au043bu044eu0447u0435u043du0438u00a0 contacts u043au043eu043du0442u0430u043au0442u043eu0440u0430 immediate (active u0441u043eu043fu0440u043eu0442u0438u0432u043bu0435u043du0438u00a0u043cu0438) u0440u043fu043d of three-phase design old containing u0442u0440u0435u0445u043au0430u043du0430u043bu044cu043du044bu0439 source u043fu043eu0441u0442u043eu00a0u043du043du043eu0433u043e u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 with positive sign and negative poles by common clamp.the channels of which u0442u043eu043au043eu043eu0433u0440u0430u043du0438u0447u0438u0432u0430u044eu0449u0438u0435 u0441u043eu043fu0440u043eu0442u0438u0432u043bu0435u043du0438u00a0 and shunts are connected through the connecting wire loops parameters to the nodes u0441u043eu0435u0434u0438u043du0435u043du0438u00a0 base third, the first and second shoulder contacts u043au043eu043du0442u0430u043au0442u043eu0440u0430 and branches with active u0441u043eu043fu0440u043eu0442u0438u0432u043bu0435u043du0438u00a0u043cu0438 u0440u043fu043d relevant phases of three-phase transformerand the general conclusions of the contacts u043au043eu043du0442u0430u043au0442u043eu0440u0430 u0440u043fu043d each of the phases are connected to a common source u0437u0430u0436u0438u043cu0443 u0442u0440u0435u0445u043au0430u043du0430u043bu044cu043du043eu0433u043e u043fu043eu0441u0442u043eu00a0u043du043du043eu0433u043e u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0, u043eu0442u043bu0438u0447u0430u044eu0449u0435u0435u0441u00a0, u043eu0441u0446u0438u043bu043b u043eu0433u0440u0430u0444 is executed in the form of u0442u0440u0435u0445u043au0430u043du0430u043bu044cu043du043eu0433u043e digital parameters and channels u0442u0440u0435u0445u043au0430u043du0430u043bu044cu043du043eu0433u043e source u043fu043eu0441u0442u043eu00a0u043du043du043eu0433u043e u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 through three channels of current digital u043eu0441u0446u0438u043bu043bu043eu0433u0440 afa with six input u0440u0430u0437u043du043eu0438u043cu0435u043du043du044bu043cu0438 signof which three negative clamp u043fu0440u0438u0441u043eu0435u0434u0438u043du00a0u044eu0442u0441u00a0 wires to the hardware u0437u0430u0436u0438u043cu0430u043c entries of three phase winding of the power transformer, and three positive clamps etc. u0438u0441u043eu0435u0434u0438u043du00a0u044eu0442u0441u00a0 positive u0437u0430u0436u0438u043cu0430u043c channels u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 source u043fu043eu0441u0442u043eu00a0u043du043du043eu0433u043e u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 whose total clamp connected to the u0437u0430u0436u0438u043cu0443 u043du0435u0439u0442u0440u0430u043bu0438 transformer.;4. device for p.3, u043eu0442u043bu0438u0447u0430u044eu0449u0435u0435u0441u00a0, multi-channel digital oscilloscope is further provided with a current sensor, a digital block u044du043du0435u0440u0433u043eu043du0435u0437u0430u0432 start registration u0438u0441u0438u043cu043eu0439 u043fu0430u043cu00a0u0442u0438, lcd display, port u0441u0432u00a0u0437u0438 with computer and computing the average value of u0442u043eu043au043e u0432u044bu0447u0438u0441u043bu00a0u0442u044c, u043fu043eu0437u0432u043eu043bu00a0u044eu0449u0438u043c automatically in the phase windings on the digital discrete u0437u043du0430u0447u0435u043du0438u00a0u043c,u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u0442u044c automatic synchronization start recording when switching u0440u043fu043d, u043eu043fu0440u0435u0434u0435u043bu00a0u0442u044c parameters of u043fu0435u0440u0435u043au043bu044eu0447u0435u043du0438u00a0 contacts u043au043eu043du0442u0430u043au0442u043eu0440u0430 u0440u043fu043d on tsa u0440u043eu0435u043du043du043eu0439 programme.;5. device for u043fu043f.3 and 4, u043eu0442u043bu0438u0447u0430u044eu0449u0435u0435u0441u00a0 so that u0442u0440u0435u0445u043au0430u043du0430u043bu044cu043du044bu0439 source u043fu043eu0441u0442u043eu00a0u043du043du043eu0433u043e u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 added excluding u043fu0435u0440u0435u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 protective circuits, blo the simultaneous u0440u0435u0433u0443u043bu0438u0440u043eu0432u0430u043du0438u00a0 weekend u043du0430u043fu0440u00a0u0436u0435u043du0438u0439 channels and chain u043fu043eu043au0430u043du0430u043bu044cu043du043eu0439 automatic protection against high currents.;6. device for u043fu043f.3 and 4, u043eu0442u043bu0438u0447u0430u044eu0449u0435u0435u0441u00a0 as negative input clamps channels of current digital parameters and the common source u043fu043eu0441u0442u043eu00a0u043du043du043eu0433u043e u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 u0441u043eu0435u0434 clamp u0438u043du00a0u044eu0442u0441u00a0 respectively with the system clips entries three phases and the clip u043du0435u0439u0442u0440u0430u043bu0438 winding of power transformer u0447u0435u0442u044bu0440u0435u0445u043fu0440u043eu0432u043eu0434u043du044bu043c cable.;7. device for u043eu0442u043bu0438u0447u0430u044eu0449u0435u0435u0441u00a0 p.6, so that u0447u0435u0442u044bu0440u0435u0445u043fu0440u043eu0432u043eu0434u043du044bu0439 cable has a different color marking of all wires.