Introduction to Substations Flashcards
A distribution substation will typically ? the incoming voltage.
step down
A converter is not one of the types of substations that are downstream from a generating station.
false
Of the types of substations that are downstream from a generating station, the one closest to the generating station would be a ? substation.
step-up transmission
The substation which houses the source circuit breakers for the outgoing distribution feeders is the ? substation.
distribution
The ? circuit breaker has been the most common type found in substations.
oil
A substation yard is one large equipotential zone.
true
Substations without transformers are referred to as ? .
switchyards
A current carrying line, when located inside the substation yard, is called a ? .
bus
A substation ground grid is connected to the substation fence and is extended about ? outside the fence.
3’
A gas-insulated substation can be constructed completely underground.
True, they all can be
The voltage supplied by substations found near end users is normally in the 2.4 kV to ? range.
34.5 kV
Capacitors used in substations do not help adjust the voltage.
false
The type of substation used to change AC to DC and back again is a ? substation.
converter
Electricity is transmitted at high voltages to substations ? .
reduce losses
Electrical power is transmitted over long distances at low currents and high voltages.
true
