What question did this study set out to answer?

Evaluate electrical overvoltage phenomena and mechanical conductor constraints to establish insulation and clearance requirements for high phase order overhead transmission lines.

November 1, 1978IEEE Transactions on Power Apparatus and Systems

High Phase Order Transmission--A Feasibility Analysis Part II--Overvoltages and Insulation Requirements

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Evaluate electrical overvoltage phenomena and mechanical conductor constraints to establish insulation and clearance requirements for high phase order overhead transmission lines.
Simulated transient overvoltages including fault-induced surges, interphase coupling, switching transients, circuit breaker recovery voltages, and lightning strikes.
Evaluated mechanical line displacements driven by wind loading, ice accumulation, short-circuit forces, and interphase spacer behavior.
Quantified clearance requirements between conductors to prevent flashovers under severe electrical surge conditions and mechanical line sways.
Tabulated recommended terminal insulation levels and minimum phase spacings for practical high phase order power line implementations.

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Implication

Feasibility analysis models overvoltage stresses and insulation limits in high phase order transmission, indicating viable conductor spacing for compact power corridors.

Cite This Study

Stewart et al. (1978) studied this question.

synapsesocial.com/papers/6a93021e041c77e2664aa269 https://doi.org/10.1109/tpas.1978.354735

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Implication

Feasibility analysis models overvoltage stresses and insulation limits in high phase order transmission, indicating viable conductor spacing for compact power corridors.

High Phase Order Transmission--A Feasibility Analysis Part II--Overvoltages and Insulation Requirements

Key Points

Discussion

Implication

Cite This Study

High Phase Order Transmission--A Feasibility Analysis Part II--Overvoltages and Insulation Requirements

Key Points

Discussion

Implication

Cite This Study

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