Fault Current &amp; Fault Voltage Analysis of Power Distribution Network

Kadam, Serdar; Kale, R.U; Deokar, T. V.; Pawar, Prasad

doi:10.1109/i2ct.2018.8529476

Cited by 2 publications

(1 citation statement)

References 10 publications

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“…The single-phase break fault causes the fault phase current at the fracture to be 0, and the non-fault phase voltage is continuous at the front and back of the fracture. When phase A is broken, using the symmetrical component method [21], the boundary condition is The impedance of distribution line and system are very small and can be ignored. The zero-sequence load impedance can be approximated to infinity.…”

Section: Sequence Currentmentioning

confidence: 99%

Fault protection method of single-phase break for distribution network considering the influence of neutral grounding modes

Xiao

Ouyang

Xiong

et al. 2020

Prot Control Mod Power Syst

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With the rapid development of modern distribution network and the access of distributed generation, the network structure is becoming increasingly complex. Frequent single-phase break faults have seriously affected equipment and personal safety and stable operation of the power system. However, with the development and application of the composite neutral grounding modes, the protection of single-phase break fault is facing new challenges. This paper proposes a protection method of single-phase break fault for distribution network considering the influence of neutral grounding modes. The characteristics of neutral voltage and sequence current are analyzed under normal operation and single-phase break fault with different grounding modes. Following this, the protection criterion based on neutral voltage and sequence current variation is constructed. The protection method of singlephase break fault for distribution network is proposed, which is applicable for various neutral grounding modes. Theoretical analysis and simulation results show that the protection method is less affected by system asymmetry, fault location and load distribution. The method has higher sensitivity, reliability and adaptability.

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Section: Sequence Currentmentioning

confidence: 99%