PJM performs a Reliability Assessment Commitment starting with the results of the DA
market.
What philosophy does PJM use when performing this RAC?
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Minimize start ups and no loads
When PJM experiences problems with their primary digital control signal, it sometimes
becomes necessary for companies with the capability, to switch to the back-up signal.
This backup signal is known as:
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, Analog control
a 300 MW generator is capable of providing 60 MVAR at full energy output and be
within the limits of its generator operating curve.
The generator is currently operating at its max MW & MVAR output, when due to
voltage problems PJM requests and additional 50 MVAR support from the generator.
What action will have to be taken in order to accommodate PJM's request?
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The energy output will have to be reduced in order to increase the MVAR
output.
What is the most critical communication path when restoring large load blocks early
in a system restoration?
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between the generating unit and the transmission owner
Which of the following actions is a violation of PJM two settlement market rules?
1. bidding a unit DA on a price-based schedule
2. not bidding demand (load) into the DA market
3. not bidding an available PJM capacity resource into the DA market
,4. making the Eco high limit and the emergency high limit the same
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not bidding an available PJM capacity resource into the DA market
Which are the following is/are requirements for Black Start Generation?
a. must be tested every 3 years
b. must be able to run for 12 hours, or as defined by the TO restoration plan
c. have the ability to maintain frequency and voltage under varying load
d. must have and maintain procedures for the unit
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have the ability to maintain frequency and voltage under varying load and
must have and maintain procedures for the unit
a - 1 year
b - 16 hrs
LMPs will change:
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when marginal generator output changes
During restoration, ______ ______ are placed in service when initially restoring the system
to help reduce system voltages.
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shunt reactors
All of the following elements must be reported to PJM when an IRC is requested
EXCEPT:
1. operating reserves
2. synchronized reserve
3. Generator MVAR reserves
4. Non-synchronized reserves
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generator MVAR reserves
All of the following is data that is sent from the PJM Control Center to market
Operation Centers EXCEPT:
1. Regulation capability
2. Dispatch Cost
3. Area Control Error
4. Regulation Signal
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market.
What philosophy does PJM use when performing this RAC?
Give this one a try later!
Minimize start ups and no loads
When PJM experiences problems with their primary digital control signal, it sometimes
becomes necessary for companies with the capability, to switch to the back-up signal.
This backup signal is known as:
Give this one a try later!
, Analog control
a 300 MW generator is capable of providing 60 MVAR at full energy output and be
within the limits of its generator operating curve.
The generator is currently operating at its max MW & MVAR output, when due to
voltage problems PJM requests and additional 50 MVAR support from the generator.
What action will have to be taken in order to accommodate PJM's request?
Give this one a try later!
The energy output will have to be reduced in order to increase the MVAR
output.
What is the most critical communication path when restoring large load blocks early
in a system restoration?
Give this one a try later!
between the generating unit and the transmission owner
Which of the following actions is a violation of PJM two settlement market rules?
1. bidding a unit DA on a price-based schedule
2. not bidding demand (load) into the DA market
3. not bidding an available PJM capacity resource into the DA market
,4. making the Eco high limit and the emergency high limit the same
Give this one a try later!
not bidding an available PJM capacity resource into the DA market
Which are the following is/are requirements for Black Start Generation?
a. must be tested every 3 years
b. must be able to run for 12 hours, or as defined by the TO restoration plan
c. have the ability to maintain frequency and voltage under varying load
d. must have and maintain procedures for the unit
Give this one a try later!
have the ability to maintain frequency and voltage under varying load and
must have and maintain procedures for the unit
a - 1 year
b - 16 hrs
LMPs will change:
Give this one a try later!
when marginal generator output changes
During restoration, ______ ______ are placed in service when initially restoring the system
to help reduce system voltages.
, Give this one a try later!
shunt reactors
All of the following elements must be reported to PJM when an IRC is requested
EXCEPT:
1. operating reserves
2. synchronized reserve
3. Generator MVAR reserves
4. Non-synchronized reserves
Give this one a try later!
generator MVAR reserves
All of the following is data that is sent from the PJM Control Center to market
Operation Centers EXCEPT:
1. Regulation capability
2. Dispatch Cost
3. Area Control Error
4. Regulation Signal
Give this one a try later!
