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52550
  
  

  1
Sep
1992
Technical Reports
Comparison of Major Parameters in Electrodynamic and Electromagnetic Levitation Transport Systems
Author
          W. S. Brown, C. R. Dauwalter, F. Heger, M S. Weinberg

Subject
                    Maglev,
                    Motive Power and Equipment

**Keywords:** Suspensions, High Speed Ground Transportation, Magnetic Levitation, Linear Induction Motors, Linear Synchronous Motors, Ride Comfort
**Abstract:** This study compiles quantitative design information that can be used in selecting a high-speed magnetic levitation system. Analytic models were developed for three...
Report Number
              DOT/FPA/NMI-92/15

  Office
              RRD
    1
Jun
1992
Technical Reports
Effects of Disclosure Requirements on Railroad Grain Transportation Contracts (Appendices)
Author
          Transmode Consultants, Inc.

Subject
                    Social & Economic Impacts

**Keywords:** Grain Railroad Marketing, Efficiency Analysis, Rail Operations
**Abstract:** The Staggers Act of 1980 legalized confidential rail/shipper transportation contracts. Their acceptance by railroads and shippers is best demonstrated by the exponential growth of...
Report Number
              FRA-RRP-92-01A

  Office
              RRD
    1
Jun
1992
Technical Reports
Effects of Disclosure Requirements on Railroad Grain Transportation Contracts
Author
          Transmode Consultants, Inc.

Subject
                    Social & Economic Impacts

**Keywords:** Grain Railroad Marketing, Efficiency Analysis, Rail Operations
**Abstract:** The Staggers Act of 1980 legalized confidential rail/shipper transportation contracts. Their acceptance by railroads and shippers is best demonstrated by the exponential growth of...
Report Number
              FRA-RRP-92-01A

  Office
              RRD
    1
Mar
1989
Technical Reports
Inverter-Controlled ac Induction Motor Propulsion System Volume I: Executive Summary
Author
          Jim Clemence

Subject
                    Motive Power and Equipment

**Keywords:** ac Traction Motor, dc Chopper, Inverter Drive Unit, Power Conversion Unit, Pulse-Width Modulation
**Abstract:** An inverter-controlled ac induction motor propulsion system for rail transit cars was designed, developed, and tested to verify projected benefits and applicability of ac over...
Report Number
              UMTA-CA-06-0175-89-1

  Office
              RRD
    1
Mar
1989
Technical Reports
Inverter-Controlled ac Induction Motor Propulsion System Volume II: Final Report
Author
          Jim Clemence

Subject
                    Motive Power and Equipment

**Keywords:** ac Traction Motor, dc Chopper, Inverter Drive Unit, Power Conversion Unit, Pulse-Width Modulation
**Abstract:** An inverter-controlled ac induction motor propulsion system for rail transit cars was designed, developed, and tested to verify projected benefits and applicability of ac over...
Report Number
              UMTA-CA-06-0175-89-2

  Office
              RRD

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