Accuracy Testing of Three-Phase kWh Meters in Direct and Indirect Measurement APP Wiring

Putri ; Yani Kamisa ; Abadi ; Akbar ; Muhardika ; Negara ; Roy Bayu ; Riancefi ; Ahmad Ilyas Putra
Jurnal Ilmiah multidisiplin 📅 2026 Vol 5, No 01 🔗 DOI: 10.56127/jukim.v5i01.2551
Abstract
The reliability of electric power systems depends significantly on the accuracy of electrical energy metering instruments, as measurement errors directly influence consumption records and the fairness of transactions between utilities and customers. This study assesses the accuracy of kilowatt-hour (kWh) meters installed in three-phase Measuring and Limiting Devices (APP), considering both direct measurement configurations at low voltage (LV) and indirect measurement configurations at medium voltage (MV). The methodology includes field measurements of current, voltage, and power, followed by the calculation of kWh meter errors and Current Transformer (CT) errors using the collected data. The findings show that the kWh meter error is 0.27% for direct measurements and −1.78% for indirect measurements, with an average CT error of 1.97%. All measured error values are within the applicable standard tolerance limits; thus, the kWh meters are considered accurate, reliable, and suitable for operational use.
Keywords
kWh meter; energy metering accuracy; three-phase APP; direct metering; indirect metering
How to Cite

Putri, et al. (2026). Accuracy Testing of Three-Phase kWh Meters in Direct and Indirect Measurement APP Wiring. Jurnal Ilmiah multidisiplin, 5(01). https://doi.org/10.56127/jukim.v5i01.2551

Putri, Yani Kamisa; Abadi, Akbar; Muhardika; Negara, Roy Bayu; Riancefi, Ahmad Ilyas Putra, "Accuracy Testing of Three-Phase kWh Meters in Direct and Indirect Measurement APP Wiring," Jurnal Ilmiah multidisiplin, vol. 5, no. 01, 2026.

Putri, Yani Kamisa; Abadi, Akbar; Muhardika; Negara, Roy Bayu; Riancefi, Ahmad Ilyas Putra. "Accuracy Testing of Three-Phase kWh Meters in Direct and Indirect Measurement APP Wiring." Jurnal Ilmiah multidisiplin, vol. 5, no. 01, 2026.

Putri, Yani Kamisa; Abadi, Akbar; Muhardika; Negara, Roy Bayu; Riancefi, Ahmad Ilyas Putra. "Accuracy Testing of Three-Phase kWh Meters in Direct and Indirect Measurement APP Wiring." Jurnal Ilmiah multidisiplin 5, no. 01 (2026).

Putri, et al. (2026) 'Accuracy Testing of Three-Phase kWh Meters in Direct and Indirect Measurement APP Wiring', Jurnal Ilmiah multidisiplin, 5(01). doi: 10.56127/jukim.v5i01.2551.

Putri, Yani Kamisa; Abadi, Akbar; Muhardika; Negara, Roy Bayu; Riancefi, Ahmad Ilyas Putra. Accuracy Testing of Three-Phase kWh Meters in Direct and Indirect Measurement APP Wiring. Jurnal Ilmiah multidisiplin. 2026;5(01).

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