variable load
Substation
where the power generated steps up or down.
ideal load
An ____ on the station would be one of constant magnitude and steady duration.
planimeter
Area under the load curve can be measure by a ____.
more reliable
Hydro units are ____ than steam units.
steam accumulation
In an industrial process, _____ maintains more constant steam pressure.
size and cost
The ____ of Diesel engine are strong adverse factors.
capacity factor
The ____ of peak load unit is very nearly zero.
daily steam consumption
The area under the boiler load curve is the ____
energy demanded
The area under the load duration curve represents the ____ by the system.
monthly and annual load curve
The most important variations of load curve are the _____
Large hydroelectric units
are not able to respond to sudden swing of loads.
Ruths accumulator
can be called a steam accumulator.
exhaust gas
can be used in raising the capacity of an adjacent steam plant.
Hydraulic accumulators
carry steam station peaks.
Gas turbine plants
eliminate long warm-up fuel cost.
compact gas turbine unit
has low thermal efficiency.
Gas turbine plants
have a high rotational speed which results in low generator cost.
Internal combustion power plants
have been advocated as peak load units.
Heat accumulator systems
have been devised to smooth out fluctuations.
Battery reserve
incurs heavy first cost and maintenance per kWhr of storage.
Variable load
is a non-steady load demand
power station
is designed to meet the load requirements of the consumers
power station
is designed to meet the load requirements of the consumers.
Power factor
is employed to describe certain technical aspects of AC circuits.
Annual load curve
is for annual load factor.
Monthly load curve
is sometimes used in establishing rates.
Demand factor
is the actual maximum demand of the customer between the connected loads.
Daily load factor
is the average load over the day divided by the maximum peak.
Monthly load curve
is the average of the daily load curves over a month.
Annual load curve
is the average of the daily load curves over a year.
Peak load
is the maximum electrical power demand.
Base load
is the minimum level of demand on an electrical grid.
Load curve
is the operating data of demanded load plotted against time sequence.
Plant capacity factor
is the relation between actual energy produced and the maximum energy to be produced during a period.
Plant use factor
is the relation between the energy production and the capacity of the plant during operations.
Diversity factor
is the relation between the total individual maximum demands of the subdivision and the maximum simultaneous demand of the system.
Load factor
is the relation of average load to the maximum load demand
Connected load
is the sum of the continuous ratings of all equipment connected to a supply system
Load duration curve
is useful in financial studies.
Feeders
may each supply several distribution transformers.
Obsolete equipment
may have sufficient capacity to carry short peaks.
Spinning Reserve
represents equipment standing by at normal operating conditions.
Storage battery
requires rotary conversion in a-c system
Load curve
shows the varying load with respect to time
Traction system
uses direct current, for speed control reasons
