NERC RELIABILITY COORDINATOR EXAM
VOCABULARY 2024 TEST BANK | CONTAINS 4
DIFFERENT ALREADY TESTED VERSIONS WITH
EXPERT VERIFIED QUESTIONS AND ANSWERS |
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reliability coordinator (rc) - ✔✔answ✔✔..the entity
that is the highest level of authority who is
responsible for the reliable operation of the bulk
electric system, has the wide area view of the bulk
electric system, and has the operating tools,
processes and procedures, including the authority to
prevent or mitigate emergency operating situations
in both next-day analysis and real-time operations.
the reliability coordinator has the purview that is
broad enough to enable the calculation of
interconnection reliability operating limits, which may
be based on the operating parameters of
transmission systems beyond any transmission
operator's vision.
,reliability coordinator area - ✔✔answ✔✔..the
collection of generation, transmission, and loads
within the boundaries of the reliability coordinator. its
boundary coincides with one or more balancing
authorities.
reliability coordinator information system (rcis) -
✔✔answ✔✔..the system that reliability coordinators
use to post messages and share operating
information in real time.
remote terminal unit (rtu) - ✔✔answ✔✔..an
electronic device, installed in a substation or
generator, which acts as an interface between a
company's ems system and the generator or
substation.
reportable disturbance - ✔✔answ✔✔..any event that
causes an ace change greater than or equal to 80%
of a balancing authority's or reserve sharing group's
most severe contingency. the definition of a
reportable disturbance is specified by each regional
reliability organization. this definition may not be
,retroactively adjusted in response to observed
performance.
rerating - ✔✔answ✔✔..a change in the capability of
a generator due to a change in conditions such as
age, upgrades, auxiliary equipment, cooling, etc.
reserve sharing group (rsg) - ✔✔answ✔✔..a group
whose members consist of two or more balancing
authorities that collectively maintain, allocate, and
supply operating reserves required for each
balancing authority's use in recovering from
contingencies within the group. scheduling energy
from an adjacent balancing authority to aid recovery
need not constitute reserve sharing provided the
transaction is ramped in over a period the supplying
party could reasonably be expected to load
generation in (e.g., ten minutes). if the transaction is
ramped in quicker (e.g., between zero and ten
minutes) then, for the purposes of disturbance
control performance, the areas become a reserve
sharing group.
resistance (r) - ✔✔answ✔✔..the property of a
material that opposes or resists current flow by
converting electric energy to heat. the symbol for
resistance is the letter "r".
, resistivity - ✔✔answ✔✔..a measure of the ability of a
material to conduct electricity. the greater the
resistivity, the greater the opposition to current flow.
an insulator has a high resistivity.
resonance - ✔✔answ✔✔..in an electrical circuit,
resonance is achieved when the magnitudes of the
inductive and capacitive elements match. resonance
may be achieved by inputting energy at the circuit's
resonant frequency or by varying the size of the
inductive or capacitive elements. a radio receiver is
tuned to resonance at the channel the operator
wants to receive.
resonant - ✔✔answ✔✔..to achieve resonance.
resonant frequency (fr) - ✔✔answ✔✔..the frequency
at which resonance is achieved in an electrical
circuit. the formula for the resonant frequency is: fr
=1/ 2π square root of lc
resource planner - ✔✔answ✔✔..the entity that
develops a long-term (generally one year and
beyond) plan for the resource adequacy of specific
loads (customer demand and energy requirements)
within a planning authority area.
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