Substation Equip
What is the purpose of the 41D/43D switches?
To provide a visual open for breaker maintenance
What does it mean when a customer is flatted in?
A Temp bus bar is installed to provide power to the customer in place of a meter
What are the self-contained meter ratings used at APS?
100A is Standard, and 200A is Heavy-duty
W123456
OH Sectionalizer, supervisory (New standard)
Which application can be used to location transformer PCB information?
Maximo (Asset - PCB Status)
What does the diamond designation at the breaker in ADMS represent?
Reclosing - indicates the feeder has a relay, which senses when the breaker is open and sends a signal to close it, programmed to a set number of times
What are the differences between tri-plex and Open wire?
Triplex has 2/3 insulated wires. Open Wire is not insulated so the wires need to be separated by a spreader to avoid phase to phase contact.
Why is it important to identify direct buried cable during an underground fused outage (also known as a runoff)?
Direct buried has a shorter lifespan and has a higher probability of being the cause out of the outage.
What is a double throw switch?
This switch serves two functions: opening/closing the bypass and connecting/disconnecting the regulator
When is the Event Notification Form Completed?
when there is an injury-related accident involving APS Employees or APS Equipment
Where do you find the address for a substation?
Maximo - Assets
What's the difference between an J and N switch?
J is non-supervisory and N is supervisory
What's the difference between a Kit and Service Saver?
A kit (temp service wire) is installed to restore service to a residential customer when there is service fault. A Service Saver (mobile unit) is used to temporarily restore power to a customer with one faulted conductor.
How do you disable reclosing on a trip saver in the field?
The black lever allows for reclosing to be disabled.
What are the conditions for an operator to fill out a meter activity form?
If a customer is disconnected, reconnected, or a field personnel change out a meter and the Tman doesn't have his field client DOC will fill out the form.
What are the two parts to Total (KVa) Power?
Reactive Power (KVar) and Real Power (kW)
What does ACSR mean?
Aluminum Conductor Steel Reinforced
What's the name of the secondary connection for a pad-mount transformer that is in the shape of a bar?
Spades
What do Ground Trips do?
Ground Trips monitor phase imbalance on a 3-Phase circuit between phases A, B and C. If a phase imbalance exceeds the protection devices setting, the Ground Trip relay will open the protective device.
What is the purpose of TOA?
Request and Document the life cycle of planned work (DOC is only involved from Pre-approval to Completed)
What is the purpose of an arrestor?
Voltage surge protection for equipment
What is the purpose of a double dead end with no jumpers?
This is a normal open air gap that can be used in a contingency by installing a jumper to continue the circuit.
What are the 3 ways you can de-energize a dead front transformer?
Remove Bayonet Fuse
Remove Incoming Elbow inside the transformer
De-energize outgoing cable in the first loadbreak upstream device
What are the steps to bypass a line regulator?
In ARCOS, where do you go to add sleep time?
In the description/comment area of a T-man's Schedule.
Schedule > 1 Day View > Loc > Energy Delivery > Area > Roster List > Schedule >Description/Comment