Maine 2116 - Coordination of Protection Devices

2116 - Coordination of Protection Devices

85.00 85.00

  • Course Delivery: On Demand
  • Duration: 4

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The objective of this tape is to present a more detailed study of the subject of 'coordination' of protective devices, particularly in the area of distribution systems. After study of this course and the associated workbook, participants should be able to understand the following overall concepts and apply them to their day-to-day work activities. They will also be able to answer related test questions on these subjects: The coordination problem, Sensitivity and selectivity, Inverse time characteristic of protection devices, Expulsion fuses, Current limiting fuses - High Rupturing Capacity (HRC), Fuse curves, Minimum melt and damage curves, Fuse coordination procedure, Coordination of fuse with overcurrent relays, Coordination of capacitor bank fuses, Recloser application, Recloser characteristics, Fast and slow recloser curves, Function of sectionalizers, Voltage restraint sectionalizers, Coordination of reclosers, sectionalizers and fuses, Conductor damage curve, Industrial consumer protection devices, Low voltage circuit breakers.

If you are taking this course for NERC credit, the following credits will be reported.

NERC CE HOURS: CE HOURS = 4.00 OPS Topics=4.00 Standards=0.00 Simulation=0.00 EO=0.00


Course Objectives

Learning Objectives:
- Trainees will be able to explain the basic fuse coordination problem as it applies to distribution system applications.
- Trainees will be able describe the characteristics and typical applications of different types of fuses used on distribution systems.
- Trainees will be able to describe factors which must be considered when a fuse coordination study is performed.
- Trainees will be able to explain the application of fuse coordination curves and manufacturers' tables in the development of a coordinated overcurrent protection scheme.
- Trainees will be able to describe the functions and applications of reclosers and sectionalizers in typical protection schemes.
- Trainees will be able to describe a typical distribution protection scheme involving reclosers, sectionalizers, fuses and overcurrent relays, and be able explain the reasons for the particular operating parameters selected.
- Trainees will be able to describe how conductor damage curves and 'notching' impact fuse coordination.


Topics Covered






End of Course Instructions

Congratulations on completing the course! Your credits earned on completion of this program will be reported to within 30 days of completion. Once we report your completion at, you will receive a certificate of completion provided by RCEP on the email address you have provided at the time of enrollment. Please keep the certificate for your record. You may be required to submit this certificate to the state to record your PDH or present it in case if you are audited. If you have any questions or concerns please contact customer service at



After completing this course the final exam must be passed with a 70% or higher in order to receive certificate of completion.

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