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电工基础知识1(BasicknowledgeofElectricalEngineering1)BasicknowledgeofElectricalEngineering12010-09-13BasicknowledgeofElectricalEngineeringOne,thegeneralpart1.Whatiscalledcircuit?Thepaththroughwhichthecurrentpassesiscalledacircuit.Thecircuitconsistsofthepowersupply,theloadandtheconnectionpart(wire,switch,fuse)andsoon.2...
电气工程基本知识(Basic knowledge of Electrical Engineering) Basic knowledge of electrical engineering summary (a) DC system 1. and two wire DC system DC two wire distribution system should be grounded. But the following may be grounded by grounding detector and in limited field only to the power...
电工基础知识(BasicknowledgeElectricalEngineering)maincircuitload,line,powersupply,instrumenttransformerswitch12.currentdirectionalmovementelectrons,accustomeddirectionalmovementdirectionN-Slefthandrulepositivechargenegativecharge13,currentsizecurrentintensityrepresentitsvalueperunittimethroughconductorcrosssectionelectriccurrent(...
文档介绍:电力系统基础知识16532(Basicknowledgeofpowersystem16532)pletepowersystemconsistsofvarioustypesofdistributionaroundthepowerplant,thestep-upandstep-downsubstation,transmissionlinesandpowerusers,pleteelectricalproduction,voltagetransformation,,work:anetworkconsistingofpowertransmissionequipment,substationequipment,::...
(Basic knowledge of electrical engineering and basic knowledge of maintenance electrician.)(1) resistivity - - also called resistance factor or specific resistance. Is a measure of the performance of conductive material with the letter P, said that the units of ohms * mm / square meters. In ...
Include bare wire and cable, electromagnetic wire and electrical insulation wire, power cable, communication cable and optical cable. Designation of wires and cables: The full name of wire and cable is usually complex, so people sometimes use a simple name (usually a class name with the name)...
SummaryMagnetism worksheet Study questionsELECTRICAL WORK BOOK
Three basic knowledge of sinusoidal alternating current 1. The concept of sinusoidal alternating current Alternating current changes with time, some are regular, others are irregular. If the alternating current is sinusoidally changed with time, it is called sinusoidal alternating current. Sinusoidal ...
According to the basic knowledge of electrical machinery,the current equation can be obtained by transferring all rotor quantities to stator side as the following5个回答 根据电机的基本知识,电流方程可以通过转让所有转子数量为定子侧如下得到2013-05-23 12:21:38...