Page 52 - Apprentice Manual_Neat

Task 44.) Adjust parameters on ATS

a Adjust pick up and drop out voltages
b Adjust pick up and drop out frequency
c Adjust time delays
d Adjust mechanical travel adjustments
e Adjust contact timing

Reference:
EGSA (2015). On-Site Power Generation Reference Book, Fifth Edition. Boca Raton, Florida:
Electrical Generating Systems Association. Chapters 29, 30

Task 45.) Perform functional test of ATS

a Operate by-pass isolation switch
--consequences of going to by-pass on some switches
b Interrupt normal power
c Verify completion of transfer to alternate source
d Restore normal power
e Verify in phase monitor operational (if applicable)
f Verify retransfer to normal
g Verify engine shut down

Reference:
EGSA (2015). On-Site Power Generation Reference Book, Fifth Edition. Boca Raton, Florida:
Electrical Generating Systems Association. Chapters 29, 30

Task 46.) Perform routine maintenance on ATS

a Calibrate sensing devices
b Lubricate mechanism
c Adjust control contacts
d Clean equipment
e Verify main power contact resistance
f Inspect for traces of IR heat
g Consult customer on irregular operation
h Verify emergency power availability

Reference:
EGSA (2015). On-Site Power Generation Reference Book, Fifth Edition. Boca Raton, Florida:
Electrical Generating Systems Association. Chapters 29, 30

EGSA Apprentice Certification Program Study Guide - Page 44