LEADER 00875nam0-22003011i-450- 001 990005287890403321 005 20060705120151.0 035 $a000528789 035 $aFED01000528789 035 $a(Aleph)000528789FED01 035 $a000528789 100 $a19990604d1967----km-y0itay50------ba 101 0 $aita 105 $ay-------001yy 200 1 $aIntroduzione alle religioni dei primitivi$fUgo Bianchi 210 $aRoma$cEdizioni dell'Ateneo$dc.1967 215 $a87 p.$d22 cm 225 1 $aNuovi saggi$v54 610 0 $aReligioni primitive$aStudi 676 $a291.042$v21$zita 700 1$aBianchi,$bUgo$f<1922-1995>$0143463 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990005287890403321 952 $a291.042 BIA 1$bST.REL. 640$fFLFBC 959 $aFLFBC 996 $aIntroduzione alle religioni dei primitivi$9266697 997 $aUNINA LEADER 05209nam 2200637Ia 450 001 9910141360003321 005 20170814184416.0 010 $a1-118-25500-3 010 $a1-283-85893-2 010 $a1-118-25501-1 035 $a(CKB)2670000000308434 035 $a(EBL)1079835 035 $a(SSID)ssj0000783766 035 $a(PQKBManifestationID)11941947 035 $a(PQKBTitleCode)TC0000783766 035 $a(PQKBWorkID)10761822 035 $a(PQKB)10615183 035 $a(MiAaPQ)EBC1079835 035 $a(PPN)262844117 035 $a(OCoLC)808108826 035 $a(EXLCZ)992670000000308434 100 $a20120816d2013 uy 0 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 10$aMethodology and technology for power system grounding$b[electronic resource] /$fJinliang He, Rong Zeng, Bo Zhang 210 $aSingapore $cWiley$dc2013 215 $a1 online resource (575 p.) 300 $aDescription based upon print version of record. 311 $a1-118-25495-3 320 $aIncludes bibliographical references and index. 327 $aMethodology and Technology for Power System Grounding; Contents; Preface; Acknowledgements; 1 Fundamental Concepts of Grounding; 1.1 Conduction Mechanism of Soil; 1.1.1 Soil Structure; 1.1.2 Conduction Mechanism of Soil; 1.2 Functions of Grounding Devices; 1.2.1 Concept of Grounding; 1.2.2 Classification of Grounding; 1.2.3 Purpose of Grounding; 1.3 Definition and Characteristics of Grounding Resistance; 1.3.1 Definition of Grounding Resistance; 1.3.2 Relationship between Grounding Resistance and Capacitance; 1.3.3 Shielding Effect among Grounding Conductors 327 $a1.4 Grounding Resistance of Grounding Devices1.4.1 Grounding Resistance of General Grounding Devices; 1.4.2 Grounding Resistance of Grounding Device in Non-Homogeneous Soil; 1.5 Body Safety and Permitted Potential Difference; 1.5.1 Allowable Body Current Limit; 1.5.2 Allowable Body Voltage; 1.5.3 Allowable Potential Difference; 1.5.4 Influence of Resistivity of Surface Soil Layer on Body Safety; 1.6 Standards Related to Power System Grounding; References; 2 Current Field in the Earth; 2.1 Electrical Property of Soil; 2.1.1 Soil Resistivity 327 $a2.1.2 Influence of Different Factors on Soil Resistivity2.1.3 Permittivity of Soil; 2.1.4 Frequency Characteristics of Soil Parameters; 2.2 Basic Properties of a Constant Current Field in the Earth; 2.2.1 Current Density in the Earth; 2.2.2 Continuity of Earth Current Field; 2.2.3 Potential of Stable Current Field; 2.2.4 Current Field at the Interface of Layered Soil; 2.3 Current Field Created by a Point Source in Uniform Soil; 2.3.1 Laplace's Equation; 2.3.2 Current Field Created by a Point Source in Soil 327 $a2.3.3 Earth Current Field Produced by Two Opposite Point Current Sources on the Ground Surface2.3.4 Earth Current Field in Non-Uniform Soil; 2.4 Potential Produced by a Point Source on the Ground Surface in Non-Uniform Soil; 2.4.1 Horizontally Layered Soil; 2.4.2 Horizontal Double-Layer Soil; 2.4.3 Horizontal Triple-Layer Soil; 2.4.4 Vertically Layered Soil; 2.5 Potential Produced by a Point Source in Multi-Layered Soil; 2.5.1 Analysis of Potential Produced by a Point Current Source; 2.5.2 Numerical Integral Method to Calculate Green's Function of a Point Current Source 327 $a2.6 Computer Program Derivation Method of Green's Function2.6.1 Method of Obtaining Analytic Expression; 2.6.2 Expression of Green's Function Derived from Software Program; 2.6.3 Calculation of Current Field in Multi-Layered Soil; 2.7 Fast Calculation Method of Green's Function in Multi-Layered Soil; 2.7.1 Development of a Two-Stage Fitting Method; 2.7.2 Application of the Fast Calculation of Green's Function in Multi-Layered Soils; 2.8 Current and Potential Distributions Produced by a DC Ground Electrode; 2.8.1 Current and Potential Distributions of DC in Uniform Soil 327 $a2.8.2 Current and Potential Distributions of DC Current in Non-Uniform Soil 330 $a Grounding is the fundamental measures to ensure the safe operation of power systems, including power apparatus and control/monitoring systems, and guarantee the personal safety. Grounding technology is an interdiscipline involving electrical engineering, high voltage technology, electric safety, electromagnetics, numerical analysis, and geological exploration Methodology and Technology for Power System Grounding: Covers all topics related to power system groundingPresents fundaments and theories of grounding systemsWell balances technology a 606 $aElectric currents$xGrounding 606 $aElectric power systems$xProtection 615 0$aElectric currents$xGrounding. 615 0$aElectric power systems$xProtection. 676 $a621.3 676 $a621.3192 700 $aHe$b Jinliang$0982682 701 $aZeng$b Rong$f1971-$0982683 701 $aZhang$b Bo$f1976-$0880488 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910141360003321 996 $aMethodology and technology for power system grounding$92242620 997 $aUNINA LEADER 01476nam 2200445 450 001 9910136074803321 005 20170728091444.0 010 $a3-653-06710-3 035 $a(CKB)3710000000915582 035 $a(MiAaPQ)EBC4722476 035 $a(PPN)229154557 035 $a(EXLCZ)993710000000915582 100 $a20161103h20162016 uy 0 101 0 $aeng 135 $aurcnu|||||||| 181 $2rdacontent 182 $2rdamedia 183 $2rdacarrier 200 10$aBach and tuning /$fJohnny Reinhard 210 1$aFrankfurt am Main, Germany :$cPL Academic Research,$d2016. 210 4$dİ2016 215 $a1 online resource (300 pages) $cillustrations, portraits 225 1 $aSources and Studies in Music History from Antiquity to the Present ;$vVolume 47 311 $a3-631-69421-0 311 $a3-631-67205-5 320 $aIncludes bibliographical references and index. 410 0$aSources and studies in music history from antiquity to the present ;$vVolume 47. 606 $aMusical intervals and scales$xHistory$y18th century 606 $aOrgan (Musical instrument)$xHistory$y18th century 615 0$aMusical intervals and scales$xHistory 615 0$aOrgan (Musical instrument)$xHistory 676 $a784.192/8 700 $aReinhard$b Johnny$01234057 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910136074803321 996 $aBach and tuning$92866467 997 $aUNINA LEADER 01821nam 2200397Ia 450 001 996384622103316 005 20221107141541.0 035 $a(CKB)4940000000073831 035 $a(EEBO)2248515945 035 $a(OCoLC)11845329 035 $a(EXLCZ)994940000000073831 100 $a19850325d1700 uy | 101 0 $aeng 135 $aurbn||||a|bb| 200 10$aLetters written by Sir W. 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