Miscellaneous Tests of Electric Car Equipment

Miscellaneous Tests of Electric Car Equipment Book Description

TESTS OF ELECTRIC CAR EQUIPMENT - 1910 - PREFACE - The present volume is the second of two, the first being entitled Shop Tests on Electric Car Equipment. In the first volume many of the more common and some less common, but useful, equipment tests were so described as to be readily available to men of limited testing facilities and experience. The second volume continues this effort to present the testing subject in a simple and direct manner and embodies tests and explanations that could not well be included in the first book. It is believed that the two books cover a large part of the equipment-testing field in a way not previously attempted, both in the manner of presentation and in that, information hitherto scattered, has been brought within the scope of two comparatively small books. In giving numerous rules, examples, solutions, directions, notes and rehearsing questions, the authors have tried to treat the subject in a practical manner the purpose being not only to reach nonmathematical readers, . but to give mathematical readers of limited experience a line on how such tests are actually made with the facilities usually available, rather than how they might or should be made under ideal conditions. If these objects have been accomplished we feel that the mission of the book has been attained. NEW YORK, April IS, 1910. TABLE CONTENTS PART I-STATIONARY TESTS CURRENCTO LLECTORS-Overhead Trolley .............................. Conduit System ............................... Third Rail System .............................. CAR FUSES-Blowing Tests ................................. Calculation of Fuse Capacity .................... Fuse Test Requirements ........................ CARCIRCUIBTR EAKERS-Periodic Tests ................................. Adjustment S .................................. Auxiliary Apparatus ........................... CAR CONTROLLERS-Mechanical Tests .............................. Electrical Tests ................................ Inspections ................................... CARS TARTINCGO ILS-Ohmic Resistance .............................. Changed Conditions ............................ CARL IGHTNINAGR RESTERS-Connection Tests .............................. CARW IRINGC ABLES-Preliminary Considerations ..................... Tagging and Insulation Tests ................... CAR MOTORS B rush Holders Requirements .................... 6 1 1 1 Irregularities .................... 11 L 1 Miscellaneous Topics ............. Motor Insulation Tests ......................... L1 Circuit Test ............................ Field Coil Polarity Test ........................ Carbonized Field Coils ........................... Armature Clearance ............................. v n CONTENTS PART 11-MOTION TESTS MOTOR BALANCTEE STSVoltmeter Method ............................. 70 Lamp Circuit hfethod .......................... 74 Ammeter hfethod .............................. 76 Mix-Voltmeter Method ......................... 78 Value as a Field Test .......................... 82 O T O H R E ATINTGE STSObject of Heat Test ............................ 83 Test Connections ., . ........................... 84 66 Instructions ............................... 86 6 6 Readings ................................ 87 EFFICIENCTYE STSDefinitions ................................ 90 Electrical Efficiency Test ....................... 91 Commercial 6 6 ....................... 92ENERGAYB SORPTIOTNE STS-Introductory .....

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