Motors, 60-Hertz, Alternating Current, Integral-Horsepower, Shipboard Use

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Motors, 60-Hertz, Alternating Current, Integral-Horsepower, Shipboard Use

Motors, 60-Hertz, Alternating Current, Integral-Horsepower, Shipboard Use
Applicable Documents
Non-Government Publications
Order of Precedence
Voltage and Frequency Variation
Rated Voltage and Frequency
Standard Horsepower (Hp) Ratings
Full-Load Power Factor, Designs A, B, and B7
Mechanical Balance
Armature and Coil Banding Using Glass
Table I. Fit of collector ring assembly
Frames and Covers
Ball Bearing Lubrication
Bearing Preload Washer or Springs
Rotor and Stator Core
Field Connections
Sealed Insulation System
Frame and Rotor
Requirements Applicable to Individual Services
Table IV. Minimum material requirements for service A motors
Table IV. Minimum material requirements for service A motors (Cont)
Table IV. Minimum material requirements for service A motors (Cont)
Solder for Winding Connections
Table V. Bearing shaft, shaft shoulder, housing, and housing shoulder diameters
Sleeve Bearings
Table VI. Oil Clearances
Table VII. Mechanical balance levels
Nonmagnetic motors
Terminal Boxes
Special Bearing Preload
Table VIII. Airborne noise limits (Sound pressure levels in decibels (dB) referenced to 20 micropascals)
Structureborne Noise
Table X. Breakdown Torque
Locked-Rotor Torque
Locked-Rotor Current
Multispeed Motors
Two-Speed Design B7 Motors
Table XIV. Locked-rotor current, locked-rotor torque, pull-up torque, and breakdown torque, design B
Synchronous Motors
Temperature Rise
Table XVI. Maximum temperature rises (C) and measurement method
Dielectric Strength
Table XVIII. Minimum motor efficiency
Quality Assurance Provisions
Periodic Inspection
Table XX. First article inspection
Table XXI. Quality Conformance Inspection
Resistance (Cold)
End Play
Test with Motor Operating at Less than Rated Voltage
Load Test (Indication motors only)
Horizontal Motors
Post-Shock Analysis
Disposal of Shock-Tested Motors
Heat-Run Test
Use of Temporary Air Filters
Sealed Insulation System
Navy-Fire-Retardant Requirements
Special Requirements (Submarine Motors)
Acquisition Requirements
Consideration of Data Requirements
Data Item Consideration for the Contracting Officer
Sealed Insulation Certification
Thermal Protection (inherent overheating protection)
Wound-Rotor Induction Motor
Power Factor
Resistance Balance
Appendix A. Examination of Service A Motors
Examination prior to assembly
Examination during assembly
Items examined during winding and assembly of rotating elements
Items examined during winding and assembly of stationary elements
Examination during final assembly
Examination during final assembly (Cont)
Handling Precautions Subsequent to Final Assembly
Appendix B. Emgineering Drawings Technical Content Requirements
Drawings for Service A Motors
Drawings for Service A Motors (cont)
Drawings for Service A Motors (cont)
Drawings for Service A Motors (cont)
Drawings for Service A Motors (cont)
Drawings for Service C Motors
Drawings for motors with special preload requirements
Appendix C. Test Procedures for Motor Efficiency
Temperature Measuring Equipment
Appendix D. Test Report Technical Content Requirements
Periodic Inspection Report
Shock Test Extension Report
Appendix E. Certification Data/Report Technical Content Requirements
Index
Index (cont)
Index (cont)
Figure 1. Standards for Integral Horsepower Alternating Current General Purpose Frame "T" Motors
Figure 1. Standards for Integral Horsepower Alternating Current General Purpose Frame "T" Motors (cont)
Figure 2. Standards for Integral Horsepower Alternating Current Type C Face-Mounted Horizontal Motors
Figure 2. Standards for Integral Horsepower Alternating Current Type C Face-Mounted Horizontal Motors (cont)
Figure 3. Standards for Integral Horsepower Alternating Current Type D Face-Mounted Horizontal Motors
Figure 3. Standards for Integral Horsepower Alternating Current Type D Face-Mounted Horizontal Motors (cont)
Figure 3. Service Motor (Cont)
Figure 6. AC Motor - Typical Exploded Assembly Drawing
Figure 3. Service "A" Motor
Temperature Rise Data - Degrees Celsius
Type B - Base Integral Horsepower Motor Frame
Table A. Frame Size Assignments for P Base Design A, B, and C Constant Speed, "T" Frame Motors
Standardization Document Improvement Proposal

Motors, 60-Hertz, Alternating Current, Integral-Horsepower, Shipboard Use

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