CHAPTER 10: DIGITAL FAULT RECORDER
DIGITAL FAULT RECORDER FLEXANALOG™ PARAMETERS
D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
531
Fault Location [1].......................................Metered fault location from fault report
Prefault Ia Mag [1].....................................Metered phase A pre-fault current magnitude from fault report
Prefault Ia Ang [1]......................................Metered phase A pre-fault current angle from fault report
Prefault Ib Mag [1].....................................Metered phase B pre-fault current magnitude from fault report
Prefault Ib Ang [1]......................................Metered phase B pre-fault current angle from fault report
Prefault Ic Mag [1] .....................................Metered phase C pre-fault current magnitude from fault report
Prefault Ic Ang [1] ......................................Metered phase C pre-fault current angle from fault report
Prefault Va Mag [1]....................................Metered phase A pre-fault voltage magnitude from fault report
Prefault Va Ang [1] ....................................Metered phase A pre-fault voltage angle from fault report
Prefault Vb Mag [1] ...................................Metered phase B pre-fault voltage magnitude from fault report
Prefault Vb Ang [1] ....................................Metered phase B pre-fault voltage angle from fault report
Prefault Vc Mag [1]....................................Metered phase C pre-fault voltage magnitude from fault report
Prefault Vc Ang [1].....................................Metered phase C pre-fault voltage angle from fault report