Outline & OutcomesElectrified Transportation Pro+ Level 1
Training with Certification Option |
The outcomes of the Pro+ Level 1 training course is designed to provide instructors and service professionals with information and skills that are inclusive of technical metrics governed in core technologies and industry standards of High Voltage Safety and safety systems
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- Identify High Voltage components by visual identification and location on the vehicle and using Service Information
- How to properly select and use testing tool/equipment to measure High Voltage circuits, select which tools, and the associated accessories would be approved by using industry standards
- Test and evaluate the condition of High Voltage gloves
- How to create Approach Boundary areas for vehicles with Exposed Moveable Conductor and Exposed Fixed Circuit
- How to appraise the condition and clean a High Voltage Manual Service Disconnect
- Identify Interlock Circuits by electrical diagram and test its functionality by using hand-held meters and a Scan Tool
- Determine the functionality and performance of an Active High Voltage Bus Discharge circuit by using a hand-held meter, Scan Tool, and Service Information
- Determine the functionality and performance of a Passive High Voltage Bus Discharge circuit by using a hand-held meter, Scan Tool, and Service Information
- Evaluate the functionality of a High Voltage Isolation Fault Detection circuit by using Off-Board electrical tools, hand-held meter, Scan Tool, and Service Information
- Determine the location of an Insulation Resistance Failure by using Vehicle On-Board Diagnostics Systems
- Perform Insulation Resistance testing on High Voltage components by using an Insulation Meter and Service Information
- Perform calculations that determine the minimal threshold level for an Isolation Fault detection diagnostic system
- Demonstrate the general sequential steps in performing the disabling of a High Voltage System on a Live Vehicle
Outline of Training
BEV, EREV, HEV, and PHEV Systems Architectures & Operation
- Systems Topologies: Light, Medium, and Heavy-Duty Systems
- BAS, FAS, BAS+FAS, and Integrated Systems: Pros and Cons
- Vehicle Electrification Terminology
- Conversion Calculations: A Necessary Evil!
- Electric Propulsion Systems
- Rechargeable Energy Storage Systems (RESS)
- RESS Charging Systems: Levels, 1, 2, & 3
- Electric Transaxle Topologies
- Clutch Based Systems
- Clutchless Based Systems
- Propulsion and Regenerative Braking Modes
- Battery Electric Vehicle (BEV)
- Extended Range Electric Vehicle (EREV)
- Hybrid Electric Vehicle (HEV)
- Plug-In Hybrid Electric Vehicle (PHEV)
- Battery Electric Vehicle (BEV)
- Two Motor Systems (AWD and Sport Mode) Driving
- Direct Current (DC) and Alternating Current (AC): The Second Necessary Evil
- DC Circuits: A quick review
- Understanding AC (Sine Wave) Circuits and Power Systems for Diagnostics
- Basic Sine Wave Waveform Calculations
- Inductive and Capacitive Reactance
- Impedance vs. Resistance
- Power Factor
- Frequency and how it effects AC Circuit Operation
HV Safety & Personal Protective Equipment (PPE) Major Topical Areas
- Connector & Cable Color
- Labeling
- HV vs. Low Voltage (LV) Systems Isolation
- Electrical Current Safety Levels
- Ground Circuit (Loops)
- Oscilloscopes or Meters and Ground Loops
- Oscilloscope and Meter and Accessory Category (CAT) Rating Requirements
- High Voltage Gloves and Leather Over-Glove Personal Protective Equipment (PPE) Maintenance, Lab and Field Testing, and Usage Requirements
- NFPA and IEC Requirements for High Voltage Safety PPE, Approach Boundaries, Levels of PPE Requirements vs. Repair Category
- Tool, Equipment, and Arc Flash PPE Requirements
HV Vehicle Safety Systems Major Topical Areas
- High Voltage System Disable Procedure
- Primary metrics and steps in disabling any HV system
- Use of tools, meters, and PPE required in performing disabling
- Performing HV disabling
- Manual Service Disconnect (MSD) Systems
- Purpose and Rationale for the MSD
- Mechanical and Electrical Designs and Rationale for Various Designs
- Locations vs. Requirements
- Maintenance and Cleaning
- MSD Fuse vs. DTC/Status Messages for MSD Fuse Replacement Interval
- Failure modes as applied to Propulsion System Operation
- Using test equipment and Scan Tool to locate and confirm an Isolation Fault
- HV Interlock (i.e., HV Interlock Loop - HVIL) Systems and Circuits
- Purpose and Rationale for HVIL
- Types of HVIL Systems:
- Serial
- Local
- CAN (Controller Area Network) Based Circuits
- Serial, Local, and CAN HVIL Combinations
- Systems and Component Diagnostics
- HVIL Failures and DTCs as applied to Propulsion System Operation
- Using test equipment and Scan Tool to locate and confirm an Isolation Fault
- HV Bus Discharge Systems
- Purpose and Rationale for Bus Discharge Systems
- Active Bus Charge Systems:
- Circuit Card Assembly (CCA) Active Discharge Systems
- Component Based Bus Discharge Systems
- Systems with more than one Active Discharge System
- Passive Bus Discharge Systems
- Discrete component systems
- HV Component systems
- Systems Diagnostics, Failure Modes, and DTCs as applied to Propulsion System Operation
- Using test equipment and Scan Tool to locate and confirm an Isolation Fault
- HV Isolation Fault Systems
- Purpose and Rationale for Bus Discharge Systems
- Isolation Fault Systems
- Classical DC Isolation Fault Circuits and Systems in dynamic system operation
- Classical AC Isolation Fault Circuits and Systems in static system operation
- How Impedance is used to determine Isolation Faults
- Using DC Resistance and AC Impedance to determine an Isolation Fault condition
- Isolation Fault Systems using only AC Isolation Fault Detection in dynamic system operation
- Using vehicle Isolation Fault Diagnostic systems to locate a component or systems level fault condition
- Using test equipment and Scan Tool to locate and confirm an Isolation Fault
- Systems Diagnostics, Failure Modes, and DTCs as applied to Propulsion System Operation