Shipboard Electrical Grounding Training Course Outline
DAY ONE
SESSION 1: ELECTRICAL GROUNDING – SCOPE
- Definitions
- Applications
- Grounding methods
- Ground Faults
- Why Ground Circuits and Systems
- Grounding Systems
SESSION 2: CLASSIFICATION OF VARIOUS GROUNDING STANDARDS. CODES AND RULES
- FEDERAL SPECIFICATIONS
- DEPARTMENT OF DEFENSE SPECIFICATIONS
- DEPARTMENT OF DEFENSE STANDARDS
- MIL-STD-464 Electromagnetic Environmental Effects, Requirements for Systems
- MIL-STD-2003-5 Electric Plant Installation, Standard Methods for Surface Ship and Submarines
- MIL-STD-2169 High-Altitude Electromagnetic Pulse (HEMP) Environment
- NON-GOVERNMENT PUBLICATIONS
- AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)
- ANSI/IEEE
SESSION 3: ELECTRICAL GROUNDING ELECTRODE SYSTEM
- Grounding Theory
- Parameters, Measurements and Calculations
- Electrical Grounding and Corrosion
- Installation and Protection
- Sizing the Grounding Electrode Conductor
- General requirements for:
- Shipboard Grounding, Bonding, & other techniques for EMC, EMP & Safety
- Ground potential and ships ground plane
- Ground potential for metallic hull ships
- Ground potential for nonmetallic hull ships
- Electrical safety
- Bonding and grounding of composite structures
- Hull-generated EMI prevention.
SESSION 4: CIRCUIT GROUNDING
- Ships source of electrical power
- Grounded Conductor
- Direct-Current Systems
- Alternating-Current System
- Rigging Shore Power
- External source through shore power cables
- Unrigging Shore Power
SESSION 5: EQUIPMENT BONDING & GROUNDING
- Major Requirements:
- Identification of the Bonding Conductor
- Bonding/Grounding and electric Shock
- Ship’s Bonding installation
- Hardware for C bonding
- Bonding straps, Type I,II, III, IV & V
- Equipment cabinets and hardware items
- Shock-mounted
- Bond strap and grounding wire routing
- Joiner/false/honeycomb bulkhead mounted equipment
SESSION 6: EMERGENCY POWER SYSTEMS
- Main Bonding Jumper
- Portable generators
- Vehicle Mounted Generators
DAY TWO
SESSION 7: OFF-SHORE & SHIP’S GROUNDING SYSTEM
- System Reference Zero
- Detection of a Faulty Neutral-Ground
- System Sizing Wiring to Meet Computer Industry Standards
- Grounding Line Treatment Devices
- Transient Overvoltage Protector Grounding
- Gas Tubes Metal Oxide Varistors Silicon Avalanche Diodes
- Ship’s Computer Grounding System
- Ship’s Ground plane(s)/Elements of the ground plane
- Superstructure, equipment foundations and racks
- Shielded room(s)
SESSION 8: HULL-GENERATED EMI PREVENTION
- Portable and removable metallic deck hardware
- Nonmetallic topside material
- Bond topside metal-to-metal contact junctions
- Cable and hull penetration EMI control
- Topside cable installations
- Shielded cable
- Unshielded cable
SESSION 9: LIGHTNING PROTECTION
- Electrical Grounding Lightning
- Characteristics Protection Systems
- Electrogeometric & Rolling Sphere Concept
- Ship’s main ground connection point
- Metal Mast
SESSION 10: ELECTRONIC EQUIPMENT GROUNDING
- Introduction and Definitions
- Computer and Electronic Equipment Grounding
- Telecommunication Rooms and Closets
- Data Processing Equipment
- Grounding Electronic Security Equipment Grounding
- RF tuned receiver front-end stages
- LF-MF receiver(s), but no in-band transmitters
SESSION 11: TELECOMMUNICATION SITE GROUNDING
- Grounding Subsystems
- Exterior Ground Ring
- Interior Ground Ring –
- Halo Ground
- Low-Frequency Networks
- High frequency Networks
SESSION 12: EMI ON ELECTRONIC CIRCUITS
- Susceptibility - Immunity
- Cable Shielding and Grounding
- Losses by Absorption and reflection
- Grounding Low- and High-Frequency Shielding
- Grounding High-frequency Shielding
- Coaxial Cables
- Superficial Resistivity
- Resonance and Skin Effect
Review of expectations
Questions and Answers
COURSE TIMETABLE
Both days:
Start: 8:00 a.m.
Coffee break: 10:00 a.m.
Lunch: 12:00 noon
Finish: 4:30 p.m.
