This paper presents that the protection for the phase to phase fault should be composed of high frequency teleprotection channel and overreached distance relay.
提出只有将高频通道、超范围距离元件配合构成允许式纵联距离保护，才能保护同杆双回线跨线不接地故障。
This paper presents that the protection for the phase to phase fault should be composed of high frequency teleprotection channel and overreached distance relay.
提出只有将高频通道、超范围距离元件配合构成允许式纵联距离保护，才能保护同杆双回线跨线不接地故障。
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