International Association of Airport Executives Canada
Constant Current Regulator Maintenance Training
This course is needed to keep you current for the regulations. Perhaps you would like to host this course, thereby saving you money? If so or just to get your questions answered, email and ask.
Module 01 - Introduction to Constant Current Regulators
Classroom
• Concept of a series circuit with reasons for using a series circuit.
• Concept of the regulator and the differences between 3-step and 5-step applications.
• Introduction to semiconductor operation as used in the regulator.
• Introduction to a close loop feedback control system; why current regulation is used.
• Ferro resonant CCRs and their benefits
Module 02 - CCR Components
Classroom
• Basic differences between 2400 volt CCRS.
• Design of regulators RSS20 and 600 volt class of regulator.
• RSS (2400V) regulator components and their location in cell.
• RSSL (600V) regulator components and their location in cell.
• Difference in size of the main contactor in regard to regulator size.
• Reason for using a multi-tap transformer in RSSL range of regulators.
• Interchangeability; why you cannot interchange doors between RSS and RSSL regulators.
• Description of components on regulator door.
Module 03 - CCR Applications
Classroom
• Overview of regulator performance data parameters for 4-30kW rated regulators.
- Input voltage
- Output voltage at constant current 6.6A
- Brightness Steps
3 and 5 step regulator
- Accuracy
- Response
short circuit
Load
- Efficiency
- Power Factor
- Protection
Main fuse/Main Breaker
Overcurrent
Overvoltage
Door Interlock
Thermal Protection
Fault Protection
- Control
Remote
Local
- Monitoring/Supervision
- Mechanical/Structural
- Regulator Basic Theory
- The benefits of Synchro Tap
Module 04 - CCR Component Operation
Classroom
• Overview of regulator’s external components
- Modes of Operation
- Remote Operation
- Local Operation
- De-Energizing Regulator
- Indicating Lights
- Indicating Meters
- Type LDT – Load Isolator and application.
Reference – "Circuit in Service" Plate
Reference – "Circuit on Test" Plate
Reference – "Circuit Grounded" Plate
- Regulator protection parameters
• Overview of additional monitoring components.
Field Training
• Review all of module #4 material using the local CCRs to demonstrate the classroom theory.
Module 05 - Theory of Regulator Operation
Classroom
• Overview basic theory of operation of the regulator
- Review regulator wiring diagram
- Review power circuit schematic diagram
- Review regulator PC connections diagrams
• Overview Test Point Parameters
- Test points on regulator door
- Review regulator door wiring diagram
• Test point on RLR-3 card
- Review thyristor gating schematic diagram
- Review On/Off brightness control schematic diagram
• Test Point on SAS-3 card
- Review On/Off brightness control schematic diagram
• Thyristor Gate Pulse Transformers
- PSP-2 cards and their operation
- Review thyristor gating schematic diagram Field Training
• Review all of module 05 to demonstrate the classroom theory.
Module 06 - Maintenance and Inspection
Classroom
• Preview of basic maintenance requirements
• Preview maintenance testing procedures
- Current output check
- Control power supply test
- Current feedback Null test
- Sawtooth generator test
- Overvoltage protection test
- Overcurrent protection test
- Second tap selection test
- Thyristor gate pulse transformer test
- Integrator output test
- Current feedback signal test
- Current output at all brightness levels test
- Short circuit stability test
- Type LDT – Load Isolator (Megger) test.
Field Training
• Review all of module #6 material using the local CCRs to demonstrate the classroom theory.
Module 07 - Basic Trouble Shooting
Classroom
• Preview of basic troubleshooting techniques using the following (documented scenarios from the manual) examples, as a minimum.
- Regulator tripped on Overvoltage
- Regulator tripped on Overcurrent
- Regulator trips out
- No detectable trouble in operation – scenario #1
- Regulator is energized and selected – no output
- No output – Regulator cannot be energized
Field Training
• To review all module #7 material and to perform troubleshooting applications
Module 08 - Troubleshooting the Regulator Door
Classroom
• Preview of troubleshooting techniques for the regulator door.
Field Training
• To review all module #8 material and do actual troubleshooting applications to the regulators
Refund & Cancellation Policy
IAAE Canada reserves the right to reschedule any program if the number of registrants is insufficient. In this event, we will notify all registrants and refund the registration fee in full. However, any costs incurred by the registrant, such as hotel cancellation or airline penalties, are the responsibility of the registrant. Registrations are transferable. Cancellations are accepted up to one month before the course date, no-shows will be subject to course fees and a fifty-dollar ($50.00) administration fee.
