NOTES 2 Flashcards
Distribution Line Overview
1- Generation
2- Transmission
3- Sub-transmission
4- Distribution
2 Systems adapted in distribution System
Ungrounded System
Multi-grounded System
For single phase line construction (Pole Top Assembly), for tangent (0-5 Degrees) or Single primary support
A1
For single phase line construction (Pole Top Assembly), For angle (5-20 Degrees) or Double primary support
A2
For single phase line construction (Pole Top Assembly), For angle (20-60 Degrees)
A3
For single phase line construction (Pole Top Assembly), For double dead-end (60-90 Degrees
A4
For single phase line construction (Pole Top Assembly), For dead end (Single)
A5
For single phase line construction (Pole Top Assembly), For double dead-end (tangent) or Vertical Deadend
A6
For single phase line construction (Pole Top Assembly), Crossarm Construction Deadened (single)
A7, A7-1
For single phase line construction (Pole Top Assembly), Crossarm Construction Deadened (DOUBLE)
A8
For single phase line construction (Pole Top Assembly), Crossarm Construction Double Line Arm
A9
For single phase line construction (Pole Top Assembly), Crossarm Construction Single Line Arm
A9-1
For single phase line construction (Pole Top Assembly), For tangent (Side arm, Single)
A14
For single phase line construction (Pole Top Assembly), For angle (Side arm, Double)
A15
For single phase line construction (Pole Top Assembly), Crossarm Construction Single Phase Junction
A22
For Vee phase line construction (Pole Top Assembly), For tangent (0-5 Degrees) or Crossarm Construction Single primary support
B1
For Vee phase line construction (Pole Top Assembly), For angle (5-20 Degrees) or Crossarm Construction Double primary support
B2
For Vee phase line construction (Pole Top Assembly), For angle (20-60 Degrees) (Vertical Construction)
B3
For Vee phase line construction (Pole Top Assembly), For double dead-end (60-90 Degrees) (Vertical Construction)
B4 or B4-1
For Vee phase line construction (Pole Top Assembly), For dead-end (Vertical Construction, Single)
B5, B5-1
For Vee phase line construction (Pole Top Assembly), For dead-end – Horizontal (if 2B7 for double dead end (60-90 Degrees) or Crossarm Construction Deadend (Single)
B7, B7-1
For Vee phase line construction (Pole Top Assembly), For double dead-end (tangent-horizontal) or Crossarm Construction Deadend (Double)
B8
For Vee phase line construction (Pole Top Assembly), Crossarm Construction Double Line Arm
B9
For Vee phase line construction (Pole Top Assembly), Crossarm Construction Single Line Arm
B9-1
For Vee phase line construction (Pole Top Assembly), For tangent (Side arm – horizontal) (Single)
B14
For Vee phase line construction (Pole Top Assembly), For angle (Side arm – horizontal) (Double)
B15
For Vee phase line construction (Pole Top Assembly), Crossarm Construction Single Phase Junction
B22
For Three phase line construction (Pole Top Assembly), Crossarm Construction Two Phase Junction
C24
Single Down guy, through bolt type
E1-2
Single Overhead guy, through bolt type
E2-2
Single Down guy, wrapped type
E3-2, E3-3
Single Overhead guy, wrapped type
E4-2, E4-3
Crossarm C onstruction Deadend Guy
E5-2
Double Down Guy
E6-2, E6-3
THree Down Guys (Large Conductors)
E7-2, E7-3
Four Down Guys (Large Conductors)
E8-2, E8-3
Single Loop Guy, Wrapped type
E11, E12
Line Anchor assemblies - Expanding Type
F1-1 to F1-4
Line Anchor assemblies - ScrewType
F1-1S to F1-3S
Log Anchor assembly
F2-1 to F2-4
Service Anchor Assembly
F4-1
RockAnchor assemblY
F5-1, F5-2, F5-3
Swamp Anchor assemblY
F6-1, F6-2, F6-3
Single Phase Transformer at 1-phase tangent
G9, G65, G105
Single Phase Transformer at Deadend
G10, G66, G106
Single Phase Transformer with Arrester/Cutout
G11
Single Phase Transformer on Three-Phase Circuit
G39, G67, G136
Two Transformers Cluster Mounted Open Wye-Open Delta for 120/240 Volt Power Loads
G210
Three Transformers Cluster Mounted Ungrounded Wye-Center Tap Grounded Delta forf 240 to 480 Volt Power Loads
G310
Three Transformers Cluster Mounted Ungrounded Wye-Corner Grounded Delta for 240 to 480 Volt Power Loads
G311
Three Transformers Cluster Mounted 4 WIre Grounded Wye Grounded for 208/120 Volt Power Loads
G312
Three Transformer Platform Mounted
G51
Secondary Rack Assemblies
J2. J3, J4,
J2, J22,J31, J32
Tangent (for the live wire). Usual Partner in Primary assembly A1, B1, C1.
J5
Dead end application. Usual Partner in Primary assembly A4, A5, A6, B4, B5, B7, B8, C4, C7, C8
J6
Angle (20-60 degrees). Usual Partner in Primary assembly A3, B3, C3
J7
Tangent (neutral wire). Usual Partner in Primary assembly (automatic for primary)
J8
Angle (5-20 degrees). Usual Partner in Primary assembly A2, B2, C2
J10
Dead end (with existing in line
J6). Usual Partner in Primary assembly A6, B8, C8
J15