Power Systems Grounding

Who should attend?The course curriculum is designed specially for electrical engineers, supervisors,

foremen and qualified technicians can get considerable upgrading education.

Program duration - Five days

Program Documents- Main Hard copy- Course CD

Additional items upon request.

Course contents:

Day One

Overview Of Electrical SystemsGenerationPower transmissionThe Distribution SystemDetermining Distribution Voltages

Systems GroundingWhat is GroundingWhat is a Grounded System?What is the Purpose of System Grounding?What is a Ground Fault?UNGROUNDED SYSTEMSResistance Grounded SystemsEquipment GroundingSystem Grounding

Day Two

The Grounding ElectrodeEstablishing an Earth GroundGrounding InterfaceChemical Ground Rods

Bonding Ground-System Elements Exothermic BondingFacility Ground Interconnection

Transmission-System GroundingTransmission LineCable ConsiderationsSatellite Antenna Grounding

Day Three

Harms Caused by Lightning Strokes Harms on OHTL and Substations:

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Lightning stroke on OH lines (Overhead line)Harms Caused By Over Voltages on Equipment and Danger on Human

LifeEquipment Safety EarthingCurrent Values Causing Danger To Human LifeHuman Body Electrical Resistance

Protection of Installations Against Lightning Building Ground System

Designing a Building Ground SystemBulkhead PanelBulkhead GroundingLightning ProtectorsTypical Installation

Day Four

AC System Grounding PracticesBuilding CodesSingle-Point Ground Isolated GroundingSeparately Derived Systems

Grounding Terminology Facility Ground System

Grounding Conductor SizeHigh-Frequency Effects

Power-Center Grounding. Isolation TransformersGrounding Equipment Racks

Lightning Protection IntroductionCharacteristics Incidence of Lightning

Surge ArrestersRatings and SelectionHousingsArrester Reliability and FailuresEquipment Protection

Day Five

APPLICATION OF PROTECTIVE GROUNDSBasic Criteria for Safe Grounding

Ground Cable AssembliesGrounding CableGrounding ClampsClamp TypesGround Cable Ferrules

Power and Pumping Plant Protective GroundingThree-Phase Tee GroundingDouble-Isolation Grounding

Switchyard and Substation Protective GroundingGeneral Considerations for Placement of Protective Grounds

Power Circuit Breakers and Transformers

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Disconnect Switches and Bus Insulated High-Voltage CableCable TerminationsCable TestingGrounding Transformers and Phase Reactors

Mobile Equipment POWER LINE PROTECTIVE GROUNDING

Grounding on Metal Transmission StructuresTransmission Line Terminal Ground Switches

Grounding on Distribution LinesSurface Equipment and Vehicle Grounding

Opening or Splicing Aerial ConductorsSplicing at Ground LevelSplicing from Aerial Lift EquipmentGrounding Insulated Power Cable

NEC requirements for grounding

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