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Task 51.) Perform functional test of voltage regulator
a Confirm power and sensing inputs
b Confirm field outputs
c Confirm remote voltage adjust input
d Identify field circuit breakers
Reference:
EGSA (2015). On-Site Power Generation Reference Book, Fifth Edition. Boca Raton, Florida:
Electrical Generating Systems Association. Chapter 26
Task 52.) Perform routine maintenance on voltage regulator
a Clean and check connections
b Clean and wipe rheostats (potentiometer)
Reference:
EGSA (2015). On-Site Power Generation Reference Book, Fifth Edition. Boca Raton, Florida:
Electrical Generating Systems Association. Chapter 26
Task 53.) Troubleshoot problems on voltage regulator
a Phase sequencing problem
b Sensing wires may be crossed
c Lack of inputs (power or sensing)
d Over or under voltage
--excessive droop problems
e Instability
f Loss of sensing
g Poor response
h Misapplication
i No voltage
j Loose connections
k Over-temp or over-current shut down
Reference:
EGSA (2015). On-Site Power Generation Reference Book, Fifth Edition. Boca Raton, Florida:
Electrical Generating Systems Association. Chapter 26
EGSA Apprentice Certification Program Study Guide - Page 52