2023年2月28日 · When metallic cable sheaths or armour of three-phase single core cables are unbonded or bonded at only one end, a voltage is induced at the unbonded ends. Should both ends be bonded, a circulating current flows in the sheath or armour as a …

With the rapid development of the Smart Power Bulk Transmission Systems, single-core power cables above 110 kV are used more and more widely. The circulating cu

Circulation current depends on cable geometry, material of metal sheet, arrangements of cables and cross-bonding method. Circulation current of three single-core cables laid in a flat formation is analysed in this paper for six different cases, and a general matrix equation for circulating current calculation is proposed.

In this paper, a calculation method of the sheath circulating current is introduced, taking the different grounding types, laying environment, structural parameters of cables into account.

This paper's primary goals are to introduce insulated underground cables, describe the armouring process, and analyse the induced currents that occur in metallic components like sheaths and armour and result in ohmic losses. These currents can be broadly divided into two groups: circulating current and eddy current.

In this paper, a calculation method of the sheath circulating current is introduced, taking the different grounding types, laying environment, structural parameters of cables into account.

2024年12月10日 · It is examined how these five factors (grounding resistance, cable distance, load current, cable segment length, and power factor) to affect the sheath circulating current. Additionally, the variation patterns of sheath circulating current under different normal operation conditions is summarized.

In this paper, we present the calculation method of capacitance current and induced current in sheath of the single-core cable. Especially, according to the flowing path of the capacitance current in the case of the crossbonded both-end grounding, we provide an equivalent circuit to calculate the current values flowing at every site along the ...

This page models circulating currents on the neutrals of single-conductor cables used in a three-phase circuit. The circulating current is driven by the voltage induced on the neutral from the phase conductor. Circulating currents are worse with larger conductors and with wider separation between cables.

EMTP-analysis of Sheath Circulating Current on Power Cables CheWungHa,WooSangLim Assessment Team, NETEC, Korea Hydro & Nuclear Power Co., [email protected]