QUIZ: System Restoration (Manual 36) Flashcards
- Annual restoration training should include all of the following EXCEPT:
a. Time restoration will be complete
b. Building of cranking paths
c. Restoration priorities
d. Reestablishing the interconnection
a. Time restoration will be complete
- There is/are ________ level(s) of cross zonal coordination
a. One
b. Two
c. Three
d. Four
c. Three
- Cranking power to neighboring companies is to be supplied as a priority to restoring internal customer load
a. True
b. False
a. True
- Which PJM manual focuses on how PJM and the PJM members are expected to respond to system disturbance conditions or a system blackout?
a. M-3
b. M-13
c. M-14
d. M-36
d. M-36
- Level one of cross zonal coordination refers to:
a. Supplying critical load and/or customer load pockets across TO zones
b. Supplying black start generation from outside a TO zone to meet that zones critical load requirements
c. Restoration coordination between 3 or more zones
d. Combining TO restoration plans into a combined plan for a newly defined restoration region
b. Supplying black start generation from outside a TO zone to meet that zones critical load requirements
- PJM monitors the progress of the restoration process and coordinates any needed assistance EXCEPT:
a. Developing and calculating ACE as required
b. Identifying opportunities for interconnection
c. Coordinating internal schedules
d. Coordinating and directing all 500kv and above transmission restoration
c. Coordinating internal schedules
- The PJM restoration manual (M36) must be reviewed (at a min) on a/an ______ basis for updates and changes through the PJM systems operation subcommittee
a. Monthly
b. Quarterly
c. Semi-annual
d. Annual
d. Annual
- Critical load consists of the following EXCEPT:
a. Steam units that cannot be supplied by resources other than black start
b. Cranking power to all units with a hot start time 4 hours or less
c. Off-site nuclear station light and power
d. Critical natural gas infrastructure
a. Steam units that cannot be supplied by resources other than black start
- Offsite _______ power should be restored as soon as possible to nuclear units
a. Cranking
b. EHV
c. Shutdown
d. Startup
c. Shutdown
- Transmission owners must include available cranking power and transmission paths in their restoration manuals
a. True
b. False
a. True
- During restoration, the _______ acts as coordinator and disseminator of information related to generation and transmission availability
a. TO system operator
b. GO system operator
c. PJM system operator
d. NERC RC
c. PJM system operator
- Transmission path from a black start unit to another generator with the intent to facilitate startup of that generator is referred to as:
a. Energizing path
b. Cranking path
c. Restoration path
d. Startup path
b. Cranking path
- Synchronization, in the electric industry, is the process of matching the _____, _____, and _______ of a generator or other source to a “running” network (circle all that apply)
a. Speed
b. Current
c. Frequency
d. Voltage
all except b
- The PJM members are responsible for developing and maintaining the following in the restoration plan EXCEPT:
a. Plan and procedures outlining the relationships and responsibilities of the personnel necessary to implement system restoration
b. The necessary operating instructions and procedures for restoring loads, including identification of critical load requirements
c. Available outside assistance during restoration
d. Provision for a reliable black start capability plan including available cranking & transmission paths
c. Available outside assistance during restoration
- According to PJM, during system restoration, which entity has the responsibility to direct the loading of generation?
a. Generator owner
b. PJM
c. Generation operator
d. Transmission owner
d. Transmission owner
- When interconnecting islands, how do you know your system is stable? (Select 2)
a. Small deviations in the frequency and voltage when restoring load
b. The overall inertia of the generators will be decreased once interconnected
c. Load is being picked up with automatic under frequency relaying enabled
d. Adequate operating reserves
a. and c
- If a change to the capability of a black start resource affects the ability of the generator to meet the TOP’s individual restoration plan, the GOP shall notify the TOP of the known changes within:
a. 4 hours
b. 8 hours
c. 16 hours
d. 24 hours
d. 24 hours
- Which of the following loads are considered as “critical loads” by PJM?
a. Two independent feeds into each nuclear facility for station start up
b. Power to pumping plants for underground cables
c. Gas infrastructure equipment
d. Light and power to critical substations
c. Gas infrastructure equipment
- The uncontrolled loss of multiple system facilities or load, whether because of loss of synchronism, voltage collapse, or thermal overload defines which of the following black out causes?
a. Generator tripping
b. Voltage collapse
c. Cascade event
d. Dynamic instability
c. Cascade event
- Which of the following would be considered pre-tie preparations when interconnecting islands? (Select 2)
a. Identification of the transmission line to tie areas together
b. Ensure reliable communications are available for all entities involved in interconnecting
c. Recalculation of reserves
d. Provide updated hydroelectric capabilities
a & b
- For each transmission zone that has a critical load requirement, PJM will ensure, at a minimum, an allocation of how many Black Start resources?
a. 1
b. 2
c. 3
d. 4
b. 2
- During a restoration process, GO’s are required to update their progress by submitting a report:
a. As conditions on the system change
b. Every 30 minutes
c. For every unit returned to service
d. On an hourly basis
d. On an hourly basis
- Place the following steps in the appropriate order of determining the generator status from first to last: (Match the following)
a. Determine status of offline generation
b. Prepare offline generation for startup
c. Determine surviving online generation
d. Determine startup sequence of offline generation
e. Stabilize surviving online generation
f. Begin startup of offline generation
c, e, a, d, b, f
- The ability of a generator to dampen out oscillations caused by relatively minor disturbances through the action of properly tuned control system defines:
a. Steady-state operation
b. Thermal overload control
c. Voltage collapse
d. Dynamic stability
d. Dynamic stability
- Which of the following equipment can be considered as an acceptable alternative to solely maintaining critical black start units?
a. Out-of-step relaying
b. Under frequency load shed schemes
c. Load rejection schemes
d. Distance relaying
c. Load rejection schemes
- A generating unit that has equipment enabling it to start without outside electrical supply is:
a. A black start unit
b. A load rejection unit
c. A runback unit
d. A peaking unit
a. A black start unit
- Which of the following statements is TRUE concerning a system voltage collapse? (Select 2)
a. Can result in system separations and generation trippings
b. Through analysis, the boundaries of separation can be predicted in advance
c. Low reactive loading will cause a deficit in MVAR supply
d. Operating over the “knee” of the voltage curve will cause a voltage collapse
a and d
- Concerning the PJM requirements for critical black start generation, which of the following statements applies to the unit’s capability to maintain frequency? (Select 2)
a. Dynamic offline testing of the unit’s voltage controls
b. Dynamic offline testing of the unit’s governor control
c. Producing leading and lagging VARS
d. Picking up an isolated block of load
b and d
- Which of the following would be considered as the “first step” in determining the status of generations after a disturbance or event has occurred?
a. Stabilize surviving online generation
b. Determine what generation has survived the event and is still in service
c. Determine the status of generation that was offline prior to the event
d. Prepare offline generation for start up
b. Determine what generation has survived the event and is still in service
- The policy of PJM is to maintain, at all times, the integrity of the PJM RTO transmission systems, the Eastern interconnection, and to prevent any unplanned separation of the transmission owners system.
a. True
b. False
a. True
- Who has an obligation to protect their own system’s equipment and reliability?
a. NERC
b. Transmission/Generation owner
c. Generator operator
d. Contractors
b. Transmission/Generation owner
- The strategy of the PJM system restoration plan is to:
a. Restore the integrity of the interconnection as quickly as possible
b. Buy MWs as cheap as possible
c. Buy MWs as expensive as possible
d. Shed load
a. Restore the integrity of the interconnection as quickly as possible
- PJM Mid-Atlantic control zone criteria is that if the frequency is at or below what Hz value for 30 seconds, generation and load connected to the same bus may be sequestered?
a. 55.0
b. 58.0
c. 60.0
d. 62.0
b. 58.0