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MCOR Power Quality
Meter PQ ReportBallito Sub Incomer (Feeder 1) (33KV)
Doc No:MCOR-PQ-0005
Document Ref:MCOR-PQ-2026-Q2
Period:2026-04-01 to 2026-06-30
Generated2026-06-22 16:18:10 SAST
Meter Serial: 10266113
Site:
Feeder: 3
Area: Driefontein Substation's
Last Reading: 2026-06-22 18:12
Quarter: Q2 2026

10.3   Voltage Compliance

ParameterNERSA LimitMeasuredStatus
Voltage PQ Events (threshold log)≤ 40 / quarter27 eventsCompliant
Power Failures / Outages≤ 20 / quarter0 eventsCompliant
Voltage Unbalance≤ 2%Pending
Flicker Pst (short-term)≤ 1.0Max 0.00Compliant
Flicker Plt (long-term)≤ 0.80.00Compliant

10.4   Harmonic Distortion

ParameterNERSA LimitL1L2L3Status
THD Voltage (VTHD)≤ 5% 0.8%0.0%0.8% Compliant
3rd Harmonic (V)Review 0.3%0.0%0.3% Compliant
5th Harmonic (V)≤ 3% 0.6%0.0%0.7% Compliant
7th Harmonic (V)≤ 3% 0.1%0.0%0.0% Compliant

10.5   Loading & Power Factor

ParameterL1L2L3Value
Voltage (V)33984.0V0.0V34836.0VUnbal: —
Current (A)106.800A0.000A108.600A
Active PowerTotal: 6325.200 kWPF: 0.850
Frequency50.050 HzCompliant

10.6   PQ Event Summary (2026-04-01 to 2026-06-30)

Event TypeCountSeverityNotes
Voltage PQ Threshold Events27InvestigateDLMS event log codes 210-213
Power Failures / Outages0LowPower fail log entries
Power Cycle Events18InvestigateCodes 1 & 2
Harmonic Exceedances (H5/H7)0LowAll within limit

10.7   Compliance Summary

MetricTargetActualStatus
VTHD Compliance≤ 5%0.8%Compliant
Voltage Unbalance≤ 2%Pending
PQ Threshold Events≤ 40 / quarter27Compliant
Outages≤ 20 / quarter0Compliant
Harmonic Incidents (H5/H7)≤ 100Within Limit