Nevada 2115 - Introduction to Static Relaying

2115 - Introduction to Static Relaying

85.00 85.00

  • Course Delivery: On Demand
  • Duration: 4 


The objective of this module is to introduce and present the major features of static relaying, including analog-type solid-state relays and digital microprocessor relays. At this stage in the program, it is assumed that all participants are thoroughly familiar with the functions and characteristics of the different types of relays. This module focuses upon the differences between solid state and electromechanical relays. After study of this tape and the associated workbook, participants should be able to understand the following overall concepts and apply them in their day-to-day work activities. They will also be able to answer related test questions on these subjects: Advantages and disadvantages of static relays, Static relay solid state components: diode, transistor, Transistor circuits, Thyristors, Integrated circuits; operational amplifier, FETs and MOSFETs, Basic relay circuits, Signal level detector, timer, Polarity detector, square wave generator, Phase comparison circuits, Amplitude comparison, Logic circuits, Switching circuits, Relay power supplies, voltage regulation, Examples of solid-state relays, Overcurrent relays, directional relays, Differential relays, distance relays, Digital microprocessor relaying, Signal sampling, analog-digital conversion, Reference algorithms, Function of printed circuit board modules, Monitoring, remote and local, Relay programming, remote and local, Substation control systems.

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 describe the basic components used in solid-state relays and explain the functions of these components.
- Trainees will be able to describe standard circuits, such as timers and level detectors, which have been developed to implement specific functions in static relays.
- Trainees will be able to describe solid state logic circuits (i.e. AND, NAND, etc) that are used in static relays.
- Trainees will be able to describe basic circuitry for different types of solid state relays.
- Trainees will be able to describe common methods of phase comparison used by directional elements in solid state relays.
- Trainees will be able to describe the principles employed in digital microprocessor based relays.
- Trainees will be able to describe the major features of the application of microprocessor based relays to the automatic control of substations.


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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