Term
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Definition
| Most popular type of pole used for lines |
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Term
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Definition
| Height range for majority of distribution poles |
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Term
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Definition
| key element used to reduce voltage to a level that can be used by the customers |
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Term
Fused cutout switches
Lightning arresters
Sectionalizers
Reclosers |
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Definition
| 4 TYPES OF protective equipment |
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Term
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Definition
| Protective equipment that are installed to that protects equipment and main lines from faults |
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Term
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Definition
| devices that can reclose the line after a temporary fault, which minimizes outage time |
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Term
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Definition
| devices that are installed to clear faulted sections from the line and are coordinated with a closer |
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Term
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Definition
| Voltage levels can be automatically controlled out on the line with the use of ________ _________ |
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Term
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Definition
| one of the main causes to damage of distribution lines and equipment |
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Term
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Definition
| protect lines and equipment from lightning, will take the surge and divert it to ground |
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Term
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Definition
used to improve the efficiency of the circuit.
Reduces flow of power that doesnt perform and useful function |
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Term
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Definition
| how much a voltage regulator automatically increases the voltage |
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Term
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Definition
| reduces the amount of power that can be delivered to customers |
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Term
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Definition
| counteracts the negative effects of inductive reatance |
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Term
| manually or automatically |
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Definition
| how are capacitors operated |
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Term
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Definition
redirects power or sectionalizes a portion of line.
can break load and all 3 phases open at the same time |
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Term
| Underground distribution systems |
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Definition
| most popular and reliable way of installing the distribution system |
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Term
immune from high winds, ice ,trees, etc
costly to install/maintain |
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Definition
| advantage and disadvantage of underground system |
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Term
Above ground/padmount equipment
Below grade/subsurface equipment |
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Definition
| two key classification for installation of equipment |
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Term
| polyethylene type insulation |
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Definition
| what are underground cables currently made with |
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Term
conductor
Semi-Conducting conductor shield
Ethylene propylene rubber (EPR) insulation
Polyethylene (PE) jacket
Concentric copper shield wire (or neutral) |
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Definition
| Parts of underground cable, 5 parts |
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Term
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Definition
| PVC piping that is extruded over underground cable |
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Term
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Definition
| Various types of concrete, fiberglass, or composite-type housings |
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Term
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Definition
| Classified as either pad-mount or subsurface |
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Term
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Definition
| installed on a pad of either concrete or some form of polyurethane |
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Term
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Definition
| installed either in an enclosure or a manhole |
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Term
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Definition
| pole where there is a transition from overhead circuit to an underground circuit or vice versa |
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Term
Radial
Radial Tie
Network Grid Design |
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Definition
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Term
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Definition
Circuits are independent and radiate into the service area
Circuits in which they do not connect to other circuits |
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Term
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Definition
| Circuits can be connected together automatically or manaully at one or more points |
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Term
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Definition
| circuits are connected together and the step down transformers are connected together to form a low voltage grid |
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