Line clearance · Sag & Tension Tool

General input

Ruling span [m]Span length [m]

Max temperature [°C]

Search tolerance [m]

Tower 1

Transversal offset [m]Crossarm height [m]Twist [gon]

Tower 2

Transversal offset [m]Crossarm height [m]Twist [gon]

Ice thickness — method

Norm ice line category

Clearance calculation

Manual override

Results

Conditions

Ruling span330.0 m

Span length (conductors A & B)310.0 m

IceNorm (standard ice) — Class A — bare conductor, higher norm ice

Max temperature50 °C

Search tolerance1 m

Clearance modeAutomatic — both cross-wind directions (±1), minimum over span and samples

Cross-windBoth cross-wind directions (±1) — worst case below

Conductors

Conductor 1 (B)910 mm² Al59

Conductor 2 (A)241 mm² FeAl Atle

Clearance

Minimum distance (3D), worst case6.425 m (shortest of both wind directions)

Governing wind direction−1 (right → left, −X)

Distance at +1 wind7.399 m

Distance at −1 wind6.425 m

Curve set (governing direction)Case 1 — AB / CD

At span position (along-span Y)153.4 m

Governing curve samplesAB (t≈0.00) / CD (t≈1.00)

Input data – Conductor A

Line data

LineInitial tension [MPa]

Conductors per phase

Before / after creep

Tower 1 – Insulator attachment

X (horizontal) [m]Y (along tower) [m]Attachment Z [m]

Override True X/Y/Z

True X [m]

-4.4000

True Y [m]

0.0000

True Z [m]

28.8100

Tower 2 – Insulator attachment

X (horizontal) [m]Y (along tower) [m]Attachment Z [m]

Override True X/Y/Z

True X [m]

-4.4000

True Y [m]

0.0000

True Z [m]

28.8100

Tower 1 – Insulator chain

Weight [kg] (−1 = no swing)Length [m]Counterweight [kg]

Number of strings

Tower 2 – Insulator chain

Weight [kg] (−1 = no swing)Length [m]Counterweight [kg]

Number of strings

Tower 1 – Spans & angle

Height above ground [m]

28.8100

Wind span [m]Weight span [m]Deviation angle [gon]

Tower 2 – Spans & angle

Height above ground [m]

28.8100

Wind span [m]Weight span [m]Deviation angle [gon]

Input data – Conductor B

Line data

LineInitial tension [MPa]

Conductors per phase

Before / after creep

Tower 1 – Insulator attachment

X (horizontal) [m]Y (along tower) [m]Attachment Z [m]

Override True X/Y/Z

True X [m]

0.0000

True Y [m]

0.0000

True Z [m]

25.0000

Tower 2 – Insulator attachment

X (horizontal) [m]Y (along tower) [m]Attachment Z [m]

Override True X/Y/Z

True X [m]

0.0000

True Y [m]

0.0000

True Z [m]

25.0000

Tower 1 – Insulator chain

Weight [kg] (−1 = no swing)Length [m]Counterweight [kg]

Number of strings

Tower 2 – Insulator chain

Weight [kg] (−1 = no swing)Length [m]Counterweight [kg]

Number of strings

Tower 1 – Spans & angle

Height above ground [m]

25.0000

Wind span [m]Weight span [m]Deviation angle [gon]

Tower 2 – Spans & angle

Height above ground [m]

25.0000

Wind span [m]Weight span [m]Deviation angle [gon]