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Disturbance performance standard

Disturbance performance standard - Performance Disturbance...

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Unformatted text preview: Performance Disturbance: Transient Voltage Minimum Post Loading Level - No fault K Dip Criteria Transient Transient ' Within - 3-phase fault with Frequency - Voltage Emergency normal clearing Deviation Ratings ’ - Single line to ground fault with delayed clearing - DC Disturbance Generator One Circuit One Transformer DC Mono .ole Bus Section 5% Yes 5% Yes >0 amping 0 59.6 Hz Duration of f Below 59.6 Hz — 6 cycles 59.4 Hz Duration of f Below 59.4 Hz — 6 c cles 59.0 Hz Duration of f Max VDip - 25% Max Duration of V ' Dip Exceeding 20% - 20 C cles Max VDip - 30% Max Duration of V Dip Exceeding 20% - 20 C cles Max VDip - 30% Max Duration of V Dip Exceeding 20% Below 59.0 - 40 C cles Hz — 6 cycles Three or more circuits on common ROWV Loss of multiple 500 kV or higher circuits (3 or more) that cross Evaluate for risks and consequences one another at 1 location ' Loss of 3 or more circuits that share a common linkage Loss of entire plant with 3 or more generating units Loss of entire substation ' Loss of multiple circuits, multiple generators, or circuits and generators that have no Common mode of failure Table I WSCC Disturbance—Performance Table of Allowable Eflects on Other Systems [7] Two Generators Two Circuits DC Bipole 12 Pedomanco Table 1 WSCC VOLTAGE STABILITY CRITERIA MW Illrgln ‘ (P-V Method) (4X5) MVAR unrgln (v0 Mama) (5) Wars! Case Scenario (6)‘ VOIII'AGIE I’I {HI :0! IMANCE I‘M IAMI E'I'ISHS WNW; ms'r minimum “"3““ women % mavumou m ........... L 0 V j . t I Z (5 mm mm ( [HANMI'NI 2 I'om-gu now mum lu rm: mmmrm "I" VOH'MlI': "ll' (2 szm mum] 2M. 5 ans 0 ‘ VHHMIIE : DIP .. . , AV ' > ummm IllANuthfu I Hm . 0) WW“! "1" W mum. vmmuz ., . umulm 3 mmsluur m ‘ woman; ? mm “"’ 4342mm 0 5| CUNDS H) 'I In 3 SHRINIHS MIN" I'lifi ...
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