1 of 193
Definition
A GENERATOR CONTROL SYSTEM used to control the production of
REACTIVE POWER. The excitation system's main components are the
VOLTAGE REGULATOR and the EXCITER.
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, AGC PULSES DYNAMIC RATING
EXCITATION SYSTEM BULK ELECTRIC SYSTEM
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2 of 193
Definition
A device used to enhance the angle stability of a power system that
uses hydro-electric generation. A Braking Resistor is a large resistive
load that is inserted to absorb excess energy when an accelerating
condition is detected in the power system.
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DISCONNECT SWITCH CAPACITY EMERGENCY
BRAKING RESISTOR BOILER FOLLOW
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3 of 193
Term
,CURRENT TRANSFORMER (CT)
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The operating VOLTAGE range on the INTERCONNECTED SYSTEMS that is
acceptable for the time, sufficient for SYSTEM adjustments to be made following a
FACILITY OUTAGE or SYSTEMDISTURBANCE.
A low POWER TRANSFORMER (an instrument TRANSFORMER) used to
reduce normally high POWERSYSTEM CURRENT magnitudes to lower values
(˜ 5 amps). A CT has a low number of turns on the PRIMARY WINDING and a
high number of turns on the SECONDARY WINDING. The low magnitude
secondary CURRENTS of a CT are typically input to PROTECTIVE RELAYS,
meters, etc.
INADVERTENT INTERCHANGE accumulated during "ON-PEAK" hours shall only be
paid back during "ON-PEAK" hours. INADVERTENT INTERCHANGE accumulated
during "OFF-PEAK" hours shall only be paid back during "OFF-PEAK" hours.
Electronic circuitry in which the magnitudes of quantities are used in a continuous
manner to perform functions. For example, input CURRENT values may be amplified
and used to perform work in an analog CIRCUIT. Analog is different than digital in
the sense that analog CIRCUITS use VOLTAGE and CURRENT magnitudes
continuously while digital CIRCUITS use VOLTAGE and CURRENT to determine the
state (on or off) of ELEMENTS.
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4 of 193
, Definition
ELECTRICAL ENERGY produced and supplied from a more economical
SOURCE in one SYSTEM and substituted for that being produced or
capable of being produced by a less economical SOURCE in another
SYSTEM.
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COMPLEX POWER (S) ELEMENT
ECONOMY ENERGY AVERAGE DEMAND
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5 of 193
Term
COMPLEX POWER (S)
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The method by which any two ENTITIES in the utility industry routinely perform a
confirmation of SCHEDULES for a period of time.
The increase in a LOAD's magnitude during the initial PERIOD after it is energized.
The cold load pick-up consists of a short-term (possibly several seconds) in-rush
Definition
A GENERATOR CONTROL SYSTEM used to control the production of
REACTIVE POWER. The excitation system's main components are the
VOLTAGE REGULATOR and the EXCITER.
Give this one a try later!
, AGC PULSES DYNAMIC RATING
EXCITATION SYSTEM BULK ELECTRIC SYSTEM
Don't know?
2 of 193
Definition
A device used to enhance the angle stability of a power system that
uses hydro-electric generation. A Braking Resistor is a large resistive
load that is inserted to absorb excess energy when an accelerating
condition is detected in the power system.
Give this one a try later!
DISCONNECT SWITCH CAPACITY EMERGENCY
BRAKING RESISTOR BOILER FOLLOW
Don't know?
3 of 193
Term
,CURRENT TRANSFORMER (CT)
Give this one a try later!
The operating VOLTAGE range on the INTERCONNECTED SYSTEMS that is
acceptable for the time, sufficient for SYSTEM adjustments to be made following a
FACILITY OUTAGE or SYSTEMDISTURBANCE.
A low POWER TRANSFORMER (an instrument TRANSFORMER) used to
reduce normally high POWERSYSTEM CURRENT magnitudes to lower values
(˜ 5 amps). A CT has a low number of turns on the PRIMARY WINDING and a
high number of turns on the SECONDARY WINDING. The low magnitude
secondary CURRENTS of a CT are typically input to PROTECTIVE RELAYS,
meters, etc.
INADVERTENT INTERCHANGE accumulated during "ON-PEAK" hours shall only be
paid back during "ON-PEAK" hours. INADVERTENT INTERCHANGE accumulated
during "OFF-PEAK" hours shall only be paid back during "OFF-PEAK" hours.
Electronic circuitry in which the magnitudes of quantities are used in a continuous
manner to perform functions. For example, input CURRENT values may be amplified
and used to perform work in an analog CIRCUIT. Analog is different than digital in
the sense that analog CIRCUITS use VOLTAGE and CURRENT magnitudes
continuously while digital CIRCUITS use VOLTAGE and CURRENT to determine the
state (on or off) of ELEMENTS.
Don't know?
4 of 193
, Definition
ELECTRICAL ENERGY produced and supplied from a more economical
SOURCE in one SYSTEM and substituted for that being produced or
capable of being produced by a less economical SOURCE in another
SYSTEM.
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COMPLEX POWER (S) ELEMENT
ECONOMY ENERGY AVERAGE DEMAND
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5 of 193
Term
COMPLEX POWER (S)
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The method by which any two ENTITIES in the utility industry routinely perform a
confirmation of SCHEDULES for a period of time.
The increase in a LOAD's magnitude during the initial PERIOD after it is energized.
The cold load pick-up consists of a short-term (possibly several seconds) in-rush
