SRP
What additional PPE should you have on you during the initial walkdown?
-Dielectric Boots
-V Watch
-Class 2 Gloves
What does SF6 stand for?
-Sulfur Hexafluoride
How long should you wait prior to grounding a cap bank after it has been deenergized?
5 min
What is the by-product of batteries that are being charged?
- Hydrogen
Before working on a service breaker, what must you check for on the breaker?
- That it is OPEN and DISCHARGED.
What type of connections are insulinks?
Permanent and non-tension.
What are the 2 types of SF6 breakers?
-Puffer
-Rotary
If you find a blown fused on a cap can, what is the first step you need to do?
- discharge any stored energy
What is the purpose of the station battery system and how long will it function when in use?
- It provides Emergency power to the station during power outages.
- 8 hours
The high side transformer tap changer is also known as the..... ?
- No Load Tap Changer
A condition that forms when the ground becomes charged with high amount of energy?
Voltage Gradiant
During maintenance on a SF6 breaker, a white powder is found; what should you do?
- STOP
- Notify FLS who should..... notify environmental
When replacing a capacitor can, the ______ and the ______ need to match on the old and new capacitor cans.
- Voltage
- KVAR
What are the 4 hazards associated with batteries?
- Electrical
- Explosive
- Chemical
- Physical
What is a safe ratio of air quality when reading an air monitor?
19.5- 23.5 %
What are the 2 most common service cables and their amperage?
- 1 OT = 200 AMP
- #4 = 100 AMP
What type of hazard is SF6 gas?
-Environmental
- Suffocation
Name 3 locations you would find a capacitor bank on our system?
- On a pole
- In a SS; open air
- Compartment
What are the 4 components of a DC system?
-Battery
-Battery Charger
-DC Load
-DC Bus
- What should you do if downtime presents itself at anytime in a SS progressional School?
-GRAB A FLUKE! (2 Phone Maley)
The 4 most common secondary distribution voltages are?
-120/240V 1 PH 3 wire or 3 PH 4 wire
-120/208V 3 PH 4 wire
-277/480V 3 PH 4 wire
-240/480V 3 PH 4 wire
What are the 3 types of equipment that use SF6?
- GIS
- Circuit Switcher
- SF6 Breakers
When installing cap cans, how can you determine which bushing is for the phase?
- The bushing nearest the nameplate.
What 4 things does a charger do?
- Converts AC to DC
- Supplies DC to DC load
- Supplies DC to intermediate DC load (Trips Breakers)
-Trickle Charge to Batt
Name the 5 factors that are involved with extinguishing an arc, inside breakers.
- Speed
-Distance
-Cooling
-Dielectric Strength
-Current Zero